Highlights of Instrument and Measurement Science (GIMS) Talks @ APS 2020 March Meeting
American Physics Society (APS) March meeting is one of the largest physics meetings in the world. In 2020, the meeting was canceled due to concerns over the rapid spread of COVID-19.
To help the community quickly catch up on the work to be presented in this meeting, Paper Digest Team processed all talk abstracts, and generated one highlight sentence (typically the main topic) for each. Readers are encouraged to read these machine generated highlights / summaries to quickly get the main idea of each talk. This article is on the talks related to Instrument and Measurement Science (GIMS).
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TABLE : Instrument and Measurement Science (GIMS)
| Title | Authors | Highlight | Session | |
|---|---|---|---|---|
| 1 | Scanning Probe Microscope in an Ultra-High Vacuum Cryogen-free Environment | Coe, Angela; Li, Guohong; Andrei, Eva | We have created an internal vibration isolation unit that is able to connect to existing cryogen-free cryostats making their noise level low enough to operate SPMs. | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 2 | Graphene-based Hall probe magnetic imaging | Collomb, David; Li, Penglei; Bending, Simon | 1 Additionally, we have demonstrated improved stability and increased mobility in graphene devices encapsulated in HSQ. | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 3 | Optimal isolation of structures from the external vibrations by particulate media Hasson Tavossi, Department of Engineering Technology, Savannah State University, 3219 College St. Savannah, GA 31404. | Tavossi, Hasson | Optimal isolation of structures from the external vibrations by particulate media Hasson Tavossi, Department of Engineering Technology, Savannah State University, 3219 College St. Savannah, GA 31404. | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 4 | Imaging electrons at the nanoscale with a cooled scanning probe microscope | Smeltzer, Andrew; Bhandari, Sagar; Taylor, Robert; Merritt, Andrew | We present a design and implementation of a scanning probe microscope that is cooled to liquid nitrogen temperature, to image electrons at the nanoscale. | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 5 | Our software eliminates up to 80% of vibrational noise in a scanning tunneling microscope | Goettsch, Jonathan; Pirie, Harris; Primavera, Bryce; Chien, Albert; Hoffman, Jennifer | Here we demonstrate a software algorithm that cancels up to 80% of vibrational noise over a 300 Hz bandwidth, even in modern ultra-lowvibration laboratories. | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 6 | Progress on the Scanning Majorana Microscope | Goodwin, Eric; Gottschalk, Michael; Levchenko, Alex; Tessmer, Stuart | We show significant progress on a new type of scanning quantum dot microscope which we call the Scanning Majorana Microscope (SMM). | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 7 | Single-Atom Spin Resonance for Quantum Sensing in an STM | Lutz, Christopher | We use a low-temperature scanning tunneling microscope (STM) to perform electron spin resonance (ESR) of individual magnetic atoms on a surface, and employ these atoms as atomic-scale magnetic sensors 1. | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 8 | Sputtered Mo-Re SQUID-on-Tip for High-Field Magnetic and Thermal Nanoimaging | Bagani, Kousik; Sarkar, Jayanta; Uri, Aviram; Rappaport, Michael; Huber, Martin; Zeldov, Eli; Myasoedov, Yuri | We present here a technique of collimated differential-pressure magnetron sputtering for the versatile self-aligned fabrication of SQUID-on-tip (SOT), which cannot be produced by conventional sputtering methods due to their diffusive, rather than the required directional point source, deposition. | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 9 | Spin-polarized Seebeck effect at the nanoscale measured with scanning tunneling thermovoltage microscopy | Park, Jewook; Luepke, Felix; Jiang, Jun; Zhang, Xiaoguang; Li, An-Ping | Here, we report spatial mapping of the spin-resolved thermovoltage in a tunneling junction formed by ferromagnetic Co islands on a Cu(111) substrate and the magnetic tip of a scanning tunneling microscope. | Session 1: Advances in Scanned Probe Microscopy 1: Novel Approaches and Ultrasensitive Detection |
| 10 | Measurement of fluorescent quantum yield using photothermal deflection spectroscopy | Johnson, Stephen; Couch, Brandon; Meyer, Andrew; Heller, Brandon | In this presentation we demonstrate an extended application for PDS, namely, measurement of the fluorescent quantum yield (Φ f) of fluorophores. | Session 2: Advances in Scanned Probe Microscopy 2: High Frequencies and Optical Techniques |
| 11 | Imaging chiral optical excitations through inelastic electron-light scattering | Harvey, Tyler; Henke, Jan-Wilke; Kfir, Ofer; Ropers, Claus | We demonstrate a nanometer-resolution circular dichroism technique that employs electrons to probe optical near fields. | Session 2: Advances in Scanned Probe Microscopy 2: High Frequencies and Optical Techniques |
| 12 | Visualization of Surface Acoustic Wave by Transmission Mode Microwave Impedance Microscopy | Zheng, Lu; Shao, Linbo; Zhang, Qicheng; Johnson, Alan; Loncar, Marko; Lai, Keji | Using a transmission-mode microwave impedance microscope (T-MIM), we demonstrate the ability to visualize SAW in multiple systems, including band-pass filter, resonator, and phononic crystals. | Session 2: Advances in Scanned Probe Microscopy 2: High Frequencies and Optical Techniques |
| 13 | Experimental and numerical studies of near-field infrared phenomena at nanometer length scales | McArdle, P.; Lahneman, D.; Jiang, H.; Qazilbash, M. M.; Slusar, T.; Kim, H.-T.; Biswas, A.; Keilmann, F.; Chen, J. | We will present our results on the materials described above, thereby establishing the efficacy of detailed numerical simulations for analyzing experimental spectra. | Session 2: Advances in Scanned Probe Microscopy 2: High Frequencies and Optical Techniques |
| 14 | Time-Resolved Scanning Probe Techniques – Inspecting the Dynamical Properties of Nanoscale Solids in Real Space and Real Time | Eng, Lukas | Time-Resolved Scanning Probe Techniques – Inspecting the Dynamical Properties of Nanoscale Solids in Real Space and Real Time | Session 2: Advances in Scanned Probe Microscopy 2: High Frequencies and Optical Techniques |
| 15 | Direct and converse flexoelectricity: the effect of strain and electric field gradients on nanoscale electromechanical responses | Domingo, Neus; Abdollahi, Amir; Cordero Eduards, Kumara; Sort, Jordi; Arias, Irene; Catalan, Gustau | In this talk, I will review how gradient-based electro-mechanical effects couples and affects the quantification of PFM measurements. | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 16 | New modalities for cryogenic nano-imaging and -spectroscopy | Doenges, Sven; Park, Kyoung-Duck; jiang, tao; Menges, Fabian; Raschke, Markus | Here, we present the development of cryogen-free variable temperature infrared nano-imaging and spectroscopy, as well as variable temperature tip-enhanced photoluminescence and nano-Raman spectroscopy in different instruments based on closed cycle cryocoolers with an exchange gas cooled low vibration interface. | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 17 | Bulk ferromagnetic tips for spin-polarized scanning tunneling microscopy | Haze, Masahiro; Yang, Hung-Hsiang; Asakawa, Kanta; Yamamoto, Ryosuke; Watanabe, Nobuyuki; Yoshida, Yasuo; Hasegawa, Yukio | In this study, we demonstrate that chemically etched bulk ferromagnetic Ni and Fe tips are ones of the best choices for reliable SP-STM probes using an antiferromagnetic spin-spiral sample; Mn double layers formed on W(110). | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 18 | Fourier transform infrared scanning tunneling microscopy: Measuring vibrational modes at the nanoscale | Barr, Kristopher; Chiang, Naihao; Guttentag, Andrew; Weiss, Paul | In this work, we use the scanning tunneling microscope tip as a nano antenna and a multiplexed signal from a bench-top Fourier-transform interferometer to discover vibrational modes at the nanoscale. | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 19 | Role of steps on Pb atomic-layer superconductivity | Sato, Yudai; Oguro, Fumikazu; Asakawa, Kanta; Uchihashi, Takashi; Hasegawa, Yukio | Using scanning tunneling microscopy (STM), we found a√3×√43 superconductivity phase still remains on narrow terraces (< 150 nm) even under out-of-plane magnetic fields above its critical magnetic field (190 mT). | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 20 | GHz-THz near-field imaging of extreme subwavelength metal structures | Chen, Xinzhong; Liu, Xiao; Guo, Xiangdong; Chen, Shu; Hu, Hai; Nikulina, Elizaveta; Yao, Ziheng; Bechtel, Hans; Martin, Michael; Carr, G; Dai, Qing; Zhuang, Songlin; Hu, Qing; Zhu, Yiming; Hillenbrand, Rainer; Liu, Mengkun; You, Guanjun | In this talk we present a home-built GHz-THz s-SNOM using Schottky diodes as both light source and detector, achieving unprecedented spatial resolution at long wavelength (~2 mm). | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 21 | Ultrafast infrared nano-spectroscopic imaging of heterogeneous photoinduced dynamical processes | Nishida, Jun; Johnson, Samuel; Doenges, Sven; Alfaifi, Amani; Shaheen, Sean; Raschke, Markus | Here, we develop and apply ultrafast infrared scattering scanning near-field optical microscopy (IR s-SNOM) to characterize photoinduced dynamics with far-from-equilibrium excitation and ultrahigh spatio-temporal-spectral resolution. | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 22 | Calibrating atomic force microscope detectors on soft surfaces | Forchheimer, Daniel; Platz, Daniel; Borgani, Riccardo; Haviland, David | Here we present a new method for detector calibration based on Intermodulation AFM where the tip-surface force versus cantilever deflection is continuously monitored during the slow approach. | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 23 | The influence of time and temperature on viscoelastic properties of nanoscale domains within polymer composites | Pittenger, Bede; Osechinskiy, Sergey; Thornton, John; Loire, Sophie; Mueller, Thomas | This presentation will examine the capabilities of this new mode with examples in a wide range of polymers and composites. | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 24 | Cryogenic Scattering-type Scanning Near-field Optical Microscopy | Liu, Fanwei; Chen, Xi; Liu, Mengkun; Mao, Hanqing; Chen, Sidan; Chen, Xinzhong; Yao, Ziheng | Based on the experience of cryo-AFM, we built a set of s-SNOM operating with variable sample temperature down to 10 K. | Session 3: Advances in Scanned Probe Microscopy 3: Scanning Probes Spectroscopic Techniques |
| 25 | Surface Structure of α-Quartz(0001) | Burson, Kristen; Simon, Georg; Munroe, Clare; Heyde, Markus; Freund, H | Here we present a real space structure study of α-quartz(0001) surfaces prepared at high temperature in air. | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 26 | Nonlinearity-induced frequency mixing in AFM: novel contrast imaging with machine learning | Haugstad, Greg; Avery, Andrew; Hubig, Stephan; Rahn, Rachel; McCormick, Alon; Luo, Bing; Lee, Han Seung | On complex thin films pertinent to lubrication and superhydrophilicity, dynamic AFM methods were used to sense both the elastic and viscous response to an AFM tip. | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 27 | Light Scattering and Localization by Dislocation Scattering Sites | Shafiei, Farbod; Orzali, Tommaso; Vert, Alexey; Miri, Mohammad-Ali; Hung, PY; Wong, Man Hoi; Alu, Andrea; Bersuker, Gennadi; Downer, Michael | We used this approach to introduces a noninvasive tabletop technique capable of optically detecting dislocation atomic defects in III-V materials thin films. | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 28 | Native and induced surface charge-transfer doping of MoTe2 | Stan, Gheorghe; Ciobanu, Cristian; Likith, Sri Ranga Jai; Rani, Asha; Zhang, Siyuan; Hacker, Christina; Krylyuk, Sergiy; Davydov, Albert | In this work, the surface charge transfer doping (SCTD) of air-exposed MoTe 2 surfaces was investigated by means of Kelvin probe force microscopy (KPFM). | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 29 | A traveling salesperson and sparse sampling boost to quasiparticle interference mapping | Oppliger, Jens; Natterer, Fabian | A traveling salesperson and sparse sampling boost to quasiparticle interference mapping | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 30 | Controlled Manipulation of Molecules: A New Pathway to Catalysis Research | Dagdeviren, Omur; Zhou, Chao; Todorovic, Milica; Altman, Eric; Schwarz, Udo | To preserve the accuracy of recovered tip-sample interaction, we used oscillation amplitudes significantly larger than the decay length of the tip-sample interaction potential [1-3]. | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 31 | Optimal Bayesian experimental design for everyday measurements | McMichael, Robert; Dushenko, Sergey; Ambal, Kapildeb | This talk gives an overview of software that increases speed and precision of routine measurements. | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 32 | Defect Identification and Statistics Toolbox (DIST): A Tool for Automating Defect Analysis and Statistics Generation | Gudinas, Alana; Hollen, Shawna; Moscatello, Jason | We present the Defect Identification and Statistics Toolbox (DIST) as a solution for automated defect analysis, based in MATLAB. | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 33 | Learning hidden structure of nanoscale spectroscopies with metric analysis | Maksymovych, Petro | Here we will demonstrate how an appropriately chosen metric, combined with analysis of its variability enables effective characterization of key and often hidden structures within hyperspectral datasets. | Session 4: Advances in Scanned Probe Microscopy 4: Machine Learning for Correlative and Analytical Measurements in Scanning Probe Microscopy |
| 34 | Semiconductor Particle Detector based on Work Function Modulation | Rhoades, Elaine; Hunt, William; Green, Aaron | This talk presents functional demonstration of a prototype circuit and transient responses to neutron irradiation. | Session 5: Detectors, Sensors, and Transducers |
| 35 | Characterizaion of Micro-Magnets on Mechanical Oscillators, and Other Sensors Using Fiber-Optic Interferometry* | Kampschroeder, Peter; Casten, Sierra; Ramprasad, Nimisha; Wen, Allen; Williams, Scott; Markert, John | We report the design, construction, and use of a fiber-optic interferometer system with variable applied dc and ac magnetic fields and magnetic field gradients for the characterization of micro-magnets on oscillators. | Session 5: Detectors, Sensors, and Transducers |
| 36 | Secondary Electron Count Imaging in a Scanning Electron Microscope | Agarwal, Akshay; Simonaitis, John; Goyal, Vivek; Berggren, Karl | We have implemented secondary electron (SE) count imaging on a Zeiss LEO 1525 scanning electron microscope (SEM). | Session 5: Detectors, Sensors, and Transducers |
| 37 | Bio-Inspired MEMS Direction Finding Underwater Acoustic Sensor Operating in Neutral-Buoyant Configuration | McCarty, Leland; Park, Jaehyun; Alves, Fabio; Karunasiri, Gamani | This presentation covers the design, fabrication, and characterization of Ormia-based MEMS directional acoustic sensor operated underwater as an inertial sensor. | Session 5: Detectors, Sensors, and Transducers |
| 38 | New system for high sensitivity study of magnetoelectric effects | Sirusi, Ali; Lewkowitz, Marc; Adams, Johnny; Sun, Ruyang; Sullivan, Neil | We report a novel experimental technique for studying magnetoelectric couplings in matter using a tunnel diode to power a specially designed coil cell. | Session 5: Detectors, Sensors, and Transducers |
| 39 | Performance of superconducting nanowire single photon detectors in strong magnetic fields | Polakovic, Tomas; Yefremenko, Volodymyr; pearson, john; Armstrong, Whitney; Meziani, Zein-Eddine; Hafidi, Kawtar; Karapetrov, Goran; Novosad, Valentyn | Using the recently developed ion-beam assisted sputtering method[1], we fabricate Niobium Nitride SNSPDs on non-epitaxial substrates using a two-step process, and perform optoelectronic characterization across a wide range of magnetic fields. | Session 5: Detectors, Sensors, and Transducers |
| 40 | High Sensitivity Photodetector Based on Graphene-Germanium Quantum Dot | Wang, Yifei; Vinh, Ho; Pradhan, Prashant; Seitz, Daniel; Cooney, Michael; Nguyen, Vinh | Here, we experimentally demonstrate a fabrication of photodetector based on graphene-germanium quantum dots that can detect a broadband spectrum from visible to infrared region. | Session 5: Detectors, Sensors, and Transducers |
| 41 | Advanced thermal readout techniques for ac voltage metrology | Hagmann, Joseph; Klimov, Nikolai; Underwood, Jason; Cular, Stefan | Here, we present our research into alternative measurement techniques based on physical phenomena such as infrared emission, superconductivity, and photonics in order to achieve improved stability and sensitivity and to extend the voltage and frequency range in which the measurement is accurate, bridging fundamental research with the engineering problems of harnessing useful physics to achieve advanced measurement technology. | Session 5: Detectors, Sensors, and Transducers |
| 42 | Measurement of Alzheimer’s Enzymes at Physiological Concentrations with Solid-State Dual-Gate 2D-MoS2 Transistors | Le, Son; Guros, Nicholas; Amin, Niranjana; Pant, Harish; Balijepalli, Arvind; Richter, Curt | We have developed sensors based on ionic liquid gated field-effect transistors (FETs) operating at the quantum capacitance limit that allow ultrasensitive pH measurements for biophysics applications [1]. | Session 5: Detectors, Sensors, and Transducers |
| 43 | Twin slot antenna coupled graphene THz heterodyne mixer | Poojali, Jayaprakash; Joint, Francois; Ali, Ashraf; Daniels, Kevin; MURPHY, THOMAS E.; Drew, Howard | In this work, we describe the design of a room temperature graphene based heterodyne mixer optimized to work in the THz spectral range of interest to space based astronomy. | Session 5: Detectors, Sensors, and Transducers |
| 44 | Giant nonlieaner optical modulation based on layered materials beyond EFISH | Wang, Ying; Xiao, Jun; Yang, Sui; Zhang, Xiang | We report an electrically controlled new strategy to achieve giant and broadband modulation of second-order optical nonlinearities with an ultra-large modulation strength as well as efficiency. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 45 | Probing the Influence of Dielectric Environment upon Volume-confined Hyperbolic phonon Polaritons | Fali, Alireza; White, Samuel; Folland, Thomas G; Aghamiri, Neda; Caldwell, Joshua; Haglund, Richard; Abate, Yohannes | We employ nano-scale imaging and spectroscopy techniques to elucidate the characteristics of HPhPs to elucidate polariton characteristics as a function of the complex refractive index of the substrate, including the impact of both the real and imaginary contributions. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 46 | Polarized Raman spectroscopy in monolayer ReSe2 | Carvalho de Resende, Geovani; Carvalho, Bruno; Pimenta, Marcos | In this work, polarized Raman spectroscopy is used to investigate the anisotropic behavior in monolayer ReSe2. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 47 | Langmuir-Blodgett of Black Phosphorus Thin Films and Photodiodes | Mao, Jian; Kena-Cohen, Stephane | We will present our results on the development of a Langmuir-Blodgett (LB) protocol which is well suitable for assembling BP nanosheets into thin films. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 48 | Photocurrent Spectroscopy of Titanium Trisulfide Nanoflakes | Lian, Zhen; Wang, Tianmeng; Li, Zhipeng; Shi, Sufei | In this work, we carry out low-temperature polarization-dependent photocurrent spectroscopy characterization of TiS3 ribbons. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 49 | Substrate-Mediated Hyperbolic Phonon Polaritons in MoO3 | Schwartz, Jeffrey; Le, Son; Krylyuk, Sergiy; Davydov, Albert; Centrone, Andrea | This work enhances the ability to engineer nanophotonic devices by leveraging substrate morphology to control polariton propagation. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 50 | Giant second harmonic generation from polar van der Waals Bismuth tellurohalide semiconductors | Padmanabhan, Prashant; Gilinsky, Samuel; Kwock, Kevin; Sirica, Nicholas; Kim, Jaewook; Cheong, Sang-Wook; Prasankumar, Rohit | Here, we report the first second harmonic generation (SHG) studies of the bulk polar semiconductors BiTeBr and BiTeI. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 51 | Nanoscale imaging and spectroscopy of charge carrier distribution with terahertz and mid infrared near-field nanoscopy | Aghamiri, Neda; Huth, Florian; Huber, Andreas; Fali, Alireza; Hillenbrand, Rainer; Abate, Yohannes | We introduce hyperspectral THz nano-imaging by combining scattering-type scanning near-field optical microscopy (s-SNOM) with THz time-domain spectroscopy (TDS). | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 52 | Raman Studies on Polytypism in Layered Gallium Selenide | Lim, Soo Yeon; Lee, Jae-Ung; Kim, Jung Hwa; Liang, Liangbo; Kong, Xiangru; Nguyen, Thanh-Huong; Lee, Zonghoon; Cho, Sunglae; Cheong, Hyeonsik | We found different ultra-low-frequency Raman spectra of inter-layer vibrational modes even for the same thickness due to GaSe polytypism. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 53 | Ultrafast Carrier Recombination from Quantum Pillars in Black Silicon | Kalem, Seref | We report on ultrafast photoluminescence(PL) phenomena from black silicon produced by ion etching using chlorine plasma. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 54 | Anisotropic optical and structural properties of hexagonal boron nitride epilayers probed by optical ellipsometry | McKay, Michael; Li, Jing; Lin, Jingyu; Jiang, Hongxing | Anisotropic optical and structural properties of hexagonal boron nitride epilayers probed by optical ellipsometry | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 55 | Unraveling nonlinear formation and relaxation of excitons in atomically thin 2D semiconductors | Strasbourg, Matthew; Johns, Cory; Darlington, Thomas; Schuck, Jim; Hone, James; Borys, Nicholas | These studies reveal a complex interplay between multiexciton states and single-exciton states in 2D materials that depends on both the density and excitation energy of the initial exciton population. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 56 | Dipole Orientation Shift of Ga2Se2 by Quantum Confinement | Xiao, Ke; Yan, Tengfei; Cui, Xiaodong | In this report we study the direction-resolved photoluminescence of 2D Ga 2Se 2 at various thickness. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 57 | Valley Phonons and Exciton Complexes in a Monolayer Semiconductor | He, Minhao; Rivera, Pasqual; Van Tuan, Dinh; Wilson, Nathan; Yang, Min; Taniguchi, Takashi; Watanabe, Kenji; Yan, Jiaqiang; Mandrus, David; Yu, Hongyi; Dery, Hanan; Yao, Wang; Xu, Xiaodong | Here, we report the observation of multiple valley phonons – phonons with momentum vectors pointing to the corners of the hexagonal Brillouin zone, in monolayer WSe 2. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 58 | Microcavity Organic Light Emitting Diodes with Higher Order Resonance Modes | Dahal, Ekraj; Isenhart, Benjamin; Allemeier, David; Cianciulli, Karen; White, Matthew | We investigate the emission spectrum through the fundamental and higher order resonant modes using a single organic emitter molecule, just by designing the microcavity structure alone. | Session 6: Experimental optical spectroscopic measurements of 2D materials |
| 59 | Propellant Quantity Gauging in Microgravity Using Radio Frequency Tank Modes | Zimmerli, Gregory; Asipauskas, Marius; Dong, Cameron | The Radio Frequency Mass Gauge (RFMG) is a novel propellant quantity gauging technique developed at NASA for the purpose of gauging cryogenic propellant tanks in low-gravity. | Session 7: Fundamental Measurement Science |
| 60 | Stretching the bandwidth of physical measurements by compressed sensing | Fujisawa, Shunsuke; Fukatsu, Susumu | Here we attempt the CS in frequency domain to restore the otherwise lost part of the spectrum with good fidelity. | Session 7: Fundamental Measurement Science |
| 61 | The Role of Noise in PT-Symmetric Systems | Jafari Zadeh, Bahar; Ellis, Fred | In this study, we compare the consequences of noise, both internally generated and externally received, between a non- PT regenerative resonator and a PT resonator pair. | Session 7: Fundamental Measurement Science |
| 62 | Characterization of Acoustic Standing Waves Surrounding A Cylindrical Inertia Block in an Ultra-Low Vibration Facility | Nwagwu Ume-Ezeoke, Juliet; Liu, Yu; Hoffman, Jennifer | We have used COMSOL Multiphysics to perform finite element analysis to simulate coupling of the acoustic standing waves in the room to the resonant modes of the inertial block. | Session 7: Fundamental Measurement Science |
| 63 | Optimizing mechanical resonator sensitivity for thin film internal friction and shear modulus measurements | Metcalf, Thomas; Liu, Xiao; Jugdersuren, Battogtokh | We compare measurements of these designs to that of the standard resonator geometry. | Session 7: Fundamental Measurement Science |
| 64 | Progress on the Detection of Single Free Helium Atoms through Field Ionization for a Dark Matter Detector | Osterman, David; Maris, Humphrey; Seidel, George; Stein, Derek | We describe recent progress on the detection of free helium atoms by field ionization, which is a key element of a new liquid helium-based method of dark matter detection proposed by Maris, Seidel and Stein [1]. | Session 7: Fundamental Measurement Science |
| 65 | Digitizer nonlinearity correction with an AC Josephson Voltage Standard | Underwood, Jason; Waltrip, Bryan | In this talk I will describe the framework for performing such nonlinearity corrections with the ACJVS, share results and limitations, and discuss possible ways that this technique can be used to account for phase distortion. | Session 7: Fundamental Measurement Science |
| 66 | Effect of chiral dopant and nanoparticles on liquid crystal based microlenses | Perera, Kelum; Nemati, Ahlam; Hegmann, Torsten; Jakli, Antal | Here we report on the tunability of the focal length of the TEM grids suspended 4-cyano-4-pentylbiphenyl (5CB) microlenses by adding different concentrations chiral dopant CD1 (ZLI 811) and mixing chiral nanoparticles with 5CB to detect various sources of chirality and make various shapes of microlenses with tunable focal lengths. | Session 7: Fundamental Measurement Science |
| 67 | Mid-IR GeSn alloys with narrow band gaps beyond 8 μm | Menendez, Jose; Xu, Chi; Kouvetakis, John | Our model includes excitonic, band filling (Burstein-Moss), and non-parabolicity effects. | Session 8: Infrared Sensing and Imaging |
| 68 | Antimonides T2SLS Infrared Focal Plane Arrays for Space Remote Sensing Applications | Gunapala, Sarath | We have successfully fabricated MWIR HOT-BIRD FPA and integrated with a dewar cooler assembly for the CubeSat Infrared Atmospheric Sounder (CIRAS) 6U CubeSat. | Session 8: Infrared Sensing and Imaging |
| 69 | Low-cost infrared imaging technology development at the Air Force Research Laboratory | Kiefer, Arnold; Reyner, Charles; Duran, Joshua; Claflin, Bruce; Ariyawansa, Gamini; Vella, Jarrett | Low-cost infrared imaging technology development at the Air Force Research Laboratory | Session 8: Infrared Sensing and Imaging |
| 70 | Photonics for Mobile Handset through Automotive 3D Sensing Consumer Applications | Collings, Brandon | This presentation will provide an overview of the architectures of these 3D sensor systems, their underlying enabling photonic technologies, including VCSEL arrays, narrow linewidth semiconductor lasers, MEMS and optomechanical packaging, and how such complex technological solutions are being successfully brought to the consumer market. | Session 8: Infrared Sensing and Imaging |
| 71 | Mid-Wave Infrared Resonant Cavity Detectors | Wicks, Gary | Our approach reduces dark current by reducing the volume of the detector’s absorber layer. | Session 8: Infrared Sensing and Imaging |
| 72 | Markus B. Raschke Invited Talk | Raschke, Markus | Markus B. Raschke Invited Talk | Session 9: Nanoscale Characterization of Correlated and Entangled Quantum Phenomena |
| 73 | Revealing topological quantum states with STM-based spectroscopy | Li, An-Ping | In this work, we will present two examples to show how STM spectroscopy can be used to detect these signatures of topological quantum states. | Session 9: Nanoscale Characterization of Correlated and Entangled Quantum Phenomena |
| 74 | Atomic precision advanced manufacturing for electronic devices | Ward, Dan; Lu, Tzu-Ming; Tracy, Lisa; Gao, Xujiao; Baczewski, Andrew; Katzenmeyer, Aaron; Schmucker, Scott; Anderson, Evan; Ivie, Jeffrey; Mamaluy, Denis; Bussmann, Ezra; Misra, Shashank | In this talk, I will detail our efforts to make more atomically perfect devices, attempting to control both the precision placement of dopants and also their surroundings, and more complex devices, incorporating metal-oxide-semiconductor (MOS) gates. | Session 9: Nanoscale Characterization of Correlated and Entangled Quantum Phenomena |
| 75 | Interrogating Entangled Matter with Entangled Probes | Blackstone, Patrick; Irfan, Abu Ashik Md.; Ortiz, Gerardo | We developed an Entangled Scattering theory that extends the scope of standard scattering approaches to study entangled matter, such as unconventional phases of strongly correlated systems. | Session 9: Nanoscale Characterization of Correlated and Entangled Quantum Phenomena |
| 76 | Toward practical quantum-enhanced microscopies | Lawrie, Benjamin; Pooser, Raphael | We will discuss an approach to scanning probe microscopy based on truncated nonlinear interferometry that enables minimum photon back-action noise while also operating below the photon shot noise limit [2]. | Session 9: Nanoscale Characterization of Correlated and Entangled Quantum Phenomena |
| 77 | Photoluminescence of Monolayer MoS2 under Controlled Environment for Optoelectronic Applications | Birmingham, Blake; Yuan, Jiantan; Filez, Matthias; Fu, Donglong; Hu, Jonathan; Lou, Jun; Scully, Marlan; Weckhuysen, Bert; Zhang, Zhenrong | Our study demonstrates that photoreactions with the gaseous environment on MoS 2 monolayer flakes should be taken into consideration even upon mild photoirradiation as they strongly impact the flakes’ optical properties. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 78 | Imaging strain-localized exciton states in nanoscale bubbles in monolayer transition metal dichalcogenides at room temperature | Darlington, Thomas; Carmesin, Christian; Florian, Mathias; Yanev, Emanuil; Ajayi, Demi; Ardelean, Jenny; Ghiotto, Augusto; Krayev, Andrey; Kysar, Jeffrey; Pasupathy, Abhay; Hone, James; Jahnke, Frank; Borys, Nicholas; Schuck, P. James | Here we combine room-temperature nano-optical imaging of excitons in nanobubbles in 1L-WSe 2 with atomistic structural models to elucidate how strain induces the nanoscale confinement potentials that give rise to highly localized exciton states in 2D semiconductors. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 79 | Multi-harmonic phonon assisted upconversion in van der Waals heterostructure p-n junction photodidodes | Barati, Fatemeh; Arp, Trevor; Su, Shanshan; Lake, Roger; Gabor, Nathaniel | Here, we report on phonon assisted anti-stokes absorption near the interlayer exciton edge of vdW semiconductor heterostructures composed of 2L-WSe 2and MoSe 2. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 80 | Strong-Coupling of Hybrid Quasiparticles in Excitonic-Dielectric Gratings | Abhiraman, Bhaskar; Zhang, Huiqin; Zhang, Qing; Miao, Jinshui; Jo, Kiyoung; Roccasecca, Stefano; Knight, Mark; Davoyan, Artur; Jariwala, Deep | Here, we demonstrate that nanostructured multilayer WS 2 provides an ideal cavity-less and exposed surface platform for exciton-photonics where the WS 2 serves the role of both the cavity and the excitonic medium. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 81 | Ultrafast exciton dynamics in WSe2 optical waveguides | Sternbach, Aaron; Latini, Simone; Chae, Sanghoon; Huebener, Hannes; De Giovannini, Umberto; Shao, Yinming; Xiong, Lin; Sun, Zhiyuan; Shi, Norman; Kissin, Peter; Ni, Guangxin; Rhodes, Daniel; Kim, Brian; Yu, Nanfang; Millis, Andrew; Fogler, Michael; Schuck, P. James; Lipson, Michal; Zhu, Xiaoyang; Hone, James; Averitt, Richard; Rubio, Angel; Basov, Dmitri | We investigated dynamics of excitons in a Van der Waals Semiconducting, WSe 2, waveguide. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 82 | Twist-angle dependent optical properties of interlayer excitons in MoSe2/WSe2 heterostructures | Choi, Junho; Tran, Kha; Moody, Galan; Singh, Akshay; Quan, Jiamin; Sun, Liuyang; Claassen, Rob; Young, Carter; Taniguchi, Takashi; Watanabe, Kenji; Li, Xiaoqin (Elaine) | We investigate the interlayer excitons in MoSe 2/WSe 2 heterostructures, mechanically stacked with an accurately controlled twist angle and capsulated by hexagonal boron nitride. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 83 | Excitonic spectral features of 1L-WSe2 with silicon nitride waveguide coupling | Wu, Yueh-Chun; Samudrala, Sarath; McClung, Andrew; Watanabe, Kenji; Taniguchi, Takashi; Arbabi, Amir; Yan, Jun | In this study, we present excitonic spectral features of 1L-WSe2 coupled to a platform with Silicon nitride (SiNx) waveguides, allowing us to excite and collect signals in different polarizations. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 84 | The Nature of Trions and Trion-Polaritons in 2D Materials: Theory and Experiments | Koksal, Okan; Jung, Minwoo; Manolatou, Christina; Shvets, Gennady; Rana, Farhan | In this work we present a many body description of trions and trion-polaritons that is valid over a wide range of electron densities. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 85 | Excitonic Lifetime in CVD-Grown, Few-Layer MoTe2 | Schulzetenberg, Aaron; Johns, James | Excitonic Lifetime in CVD-Grown, Few-Layer MoTe2 | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 86 | Continuous Wave Sum Frequency Generation and Imaging of Monolayer and Heterobilayer 2D Semiconductors | Yao, Kaiyuan; Yanev, Emanuil; Chuang, Hsun jen; Rosenberger, Matthew; Xu, Xinyi; Darlington, Thomas; McCreary, Kathleen; Hanbicki, Aubrey; Jonker, Berend; Zhu, Xiaoyang; Basov, Dmitri; Hone, James; Schuck, P. James | Using sum frequency excitation spectroscopy and imaging, we identify and distinguish one- and two-photon resonances in both monolayers and heterobilayers. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 87 | Second harmonic generation spectroscopy of MoS2/WSe2 heterostructure | Kim, Jungcheol; Cheong, Hyeonsik | Second harmonic generation spectroscopy of MoS2/WSe2 heterostructure | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 88 | Trion valley relaxation dynamics in monolayer WSe2 | Shinokita, Keisuke; Wang, Xiaofan; Miyauchi, Yuhei; Watanabe, Kenji; Taniguchi, Takashi; Konabe, Satoru; Matsuda, Kazunari | Here we report the valley relaxation dynamics of the bright state of positively charged excitons (bright positive trions) in monolayer WSe 2 through polarization- and time-resolved photoluminescence and femtosecond transient reflection measurements. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 89 | Pressure-tunable stacking order in few-layer WS2 revealed by second harmonic generation | Wei, Chengrong; Su, Huimin; Zhou, Xuefeng; Wang, Shanmin; Dai, Jun-Feng | The tunability of translation structural symmetry by using a hydrostatic pressure presented in this work provides a platform to explore novel physical properties in new class of 2D materials. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 90 | Donor-acceptor-pair transitions in suspended monolayer WS2 | Wang, Yunkun; Luo, Hailan; Zhou, Xingjiang; Huang, Yuan; Gao, Yunan | Here we report observation and characterization of DAP transitions in a suspended monolayer WS 2 using steady-state and time-resolved photoluminescence spectroscopy. | Session 10: Optical Spectroscopic Measurements of 2D Materials |
| 91 | Developing Wide Angle Spherical Neutron Polarimetry at Oak Ridge National Laboratory | Silva, Nicolas; Jiang, Chenyang; Wang, Tianhao; Ruff, Jillian; Matsuda, Masaaki; Li, Fankang; Winn, Barry; DeBeer-Schmitt, Lisa; Pynn, Roger | Developing Wide Angle Spherical Neutron Polarimetry at Oak Ridge National Laboratory | Session 11: Scattering and Diffraction |
| 92 | Kilohertz-Rate MeV Ultrafast Electron Diffraction for Time-resolved Materials Studies | Siddiqui, Khalid; Durham, Daniel; Ji, Fuhao; Minor, Andrew; Kaindl, Robert; Filippetto, Daniele | We discuss the High Repetition-rate Electron Scattering (HiRES) instrument at Berkeley Lab and its first applications to UED of metallic films and quantum materials. | Session 11: Scattering and Diffraction |
| 93 | Directive steerable emission from an opened chaotic cavity controlled through a reconfigurable metasurface | Metais, Samuel; Gros, Jean-Baptiste; Lerosey, Geoffroy | Measuring the transmission between a single source inside the cavity and an outside antenna, we show that a simple partitioning algorithm allows us to reach very high directivity, as well as a steering capacity over 120°. | Session 11: Scattering and Diffraction |
| 94 | Spatially-Resolved Layer, Interface and Dopant Profiling Using Tabletop Coherent EUV Beams | Esashi, Yuka; Tanksalvala, Michael; Porter, Christina; Wang, Bin; Jenkins, Nicholas; Zhang, Zhe; Jacobs, Matthew; Miley, Galen; Horiguchi, Naoto; Zhou, Jihan; Karl, Robert; Bevis, Charles; Johnsen, Peter; Knobloch, Joshua; Cousin, Seth; Cating, Emma; Hemmer, Michaël; Liao, Chen-Ting; Gerrity, Michael; Kapteyn, Henry; Murnane, Margaret | We present a tabletop complex-imaging reflectometer illuminated by coherent high harmonic extreme ultraviolet (EUV) beams. | Session 11: Scattering and Diffraction |
| 95 | 3D-ΔPDF Investigations of Structural Phase Transitions | Osborn, Raymond; Krogstad, Matthew; Rosenkranz, Stephan | 1 I will show examples of 3D-ΔPDF applied to both long-range and frustrated short-range structural transitions in correlated electron systems and intercalation compounds. | Session 11: Scattering and Diffraction |
| 96 | Interferometric tracking of nanoparticle orientation with quantitative optical anisotropy imaging | He, Zhixing; Li, Chengshuai; Zhu, Yizheng; Robinson, Hans | We introduce Quantitative Optical Anisotropy Imaging (QOAI), an interferometric spectral multiplexing technique that allows imaging and tracking of the orientation of individual nanoparticles at the microsecond timescale. | Session 11: Scattering and Diffraction |
| 97 | Measuring Dominant Local Structures in Amorphous Materials Using Nanobeam Electron Diffraction | Schreiber, Makoto; Wolf, Matthias | In this work, a type of image processing commonly applied in single particle cryo-electron microscopy is applied to a large set of nanobeam electron diffraction patterns. | Session 11: Scattering and Diffraction |
| 98 | THz-driven Electron Bunch Compression and Timing Jitter Reduction for Relativistic Ultrafast Electron Diffraction Measurements | Snively, Emma; Othman, Mohamed; Kozina, Michael; Ofori-Okai, Benjamin; Weathersby, Stephen; Park, Suji; Shen, Xiaozhe; Wang, Xijie; Hoffmann, Matthias; Li, Renkai; Nanni, Emilio | We discuss the results of a THz-driven electron bunch compression experiment in which interaction between a quasi-single-cycle THz pulse and a relativistic electron beam in a parallel plate waveguide produced a beam energy chirp for velocity bunching. | Session 11: Scattering and Diffraction |
| 99 | Laboratory Based Hard X-ray Photoelectron Spectroscopy | Eriksson, Susanna; Giles, Brandon | This work shows a new laboratory based HAXPES instrument capable of delivering monochromated 9.25 keV X-rays in a focused 30×45 μm 2 X-ray spot with energy resolution <0.5 eV. | Session 11: Scattering and Diffraction |
| 100 | Probing bulk electronic structure with a laboratory-based hard x-ray angle-resolved photoemission spectrometer | Grassi, Joseph; Arab, Arian; Paudel, Jay; Sah, Raj; Yang, Weibing; Chandrasena, Ravini; Kobayashi, Keisuke; Gray, Alexander | Here, we describe a newly completed laboratory-based hard x-ray photoemission spectrometer system with HARPES capabilities. | Session 11: Scattering and Diffraction |
| 101 | Development of in-situ differential thermal analysis for crystal growth experiments | Janssen, Yuri; Nicasio, Jose; Dudley, Kemar; Xia, Bingying; Simonson, Jack | Here, we will present results of these developments. | Session 11: Scattering and Diffraction |
| 102 | Early stage of iron anodic oxidation measured by 25ms-resolution X-ray reflectometry | Fujii, Hiromasa; Doi, Takashi; Wakabayashi, Yusuke | Here we report 25ms-resolution X-ray reflectivity experiments[3] to investigate the early stage of anodic oxidation at Fe (100), (110) and (111) in pH 8.4 borate buffer solution as model materials. | Session 11: Scattering and Diffraction |