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Jason Underwood
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One-volt Josephson arbitrary waveform synthesizer
SP Benz, SB Waltman, AE Fox, PD Dresselhaus, A Rüfenacht, ...
IEEE Transactions on Applied Superconductivity 25 (1), 1-8, 2014
762014
Heat transport by long mean free path vibrations in amorphous silicon nitride near room temperature
R Sultan, AD Avery, JM Underwood, SJ Mason, D Bassett, BL Zink
Physical Review B—Condensed Matter and Materials Physics 87 (21), 214305, 2013
722013
Macroscale refrigeration by nanoscale electron transport
PJ Lowell, GC O'Neil, JM Underwood, JN Ullom
Applied Physics Letters 102 (8), 2013
632013
Measurement and modeling of a large-area normal-metal/insulator/superconductor refrigerator with improved cooling
GC O'Neil, PJ Lowell, JM Underwood, JN Ullom
Physical Review B—Condensed Matter and Materials Physics 85 (13), 134504, 2012
632012
Josephson-based full digital bridge for high-accuracy impedance comparisons
F Overney, NE Flowers-Jacobs, B Jeanneret, A Rüfenacht, AE Fox, ...
Metrologia 53 (4), 1045, 2016
602016
Uncertainty analysis for ac–dc difference measurements with the AC Josephson voltage standard
JM Underwood
Metrologia 56 (1), 015012, 2018
292018
Insensitivity of sub-kelvin electron-phonon coupling to substrate properties
JM Underwood, PJ Lowell, GC O’Neil, JN Ullom
Physical review letters 107 (25), 255504, 2011
292011
Direct write metallization for photovoltaic cells and scaling thereof
MFAM van Hest, SE Habas, JM Underwood, RM Pasquarelli, P Hersh, ...
2010 35th IEEE Photovoltaic Specialists Conference, 003626-003628, 2010
212010
Andreev reflections in micrometer-scale normal metal-insulator-superconductor tunnel junctions
PJ Lowell, GC O’Neil, JM Underwood, JN Ullom
Journal of Low Temperature Physics 167, 392-397, 2012
142012
Sub-100 mK Cooling Using Normal-MetalInsulatorSuperconductor Tunnel Junctions
PJ Lowell, GC O’Neil, JM Underwood, X Zhang, JN Ullom
Journal of Low Temperature Physics 176 (5), 1062-1068, 2014
62014
Refrigeration of separate, user-supplied payloads with Normal–Insulator–Superconductor tunnel junctions
PJ Lowell, GC O’Neil, JM Underwood, JN Ullom
Cryogenics 52 (4-6), 130-133, 2012
62012
Realization of the quantum ampere using the quantum anomalous Hall and Josephson effects
LK Rodenbach, NTM Tran, JM Underwood, AR Panna, MP Andersen, ...
arXiv preprint arXiv:2308.00200, 2023
42023
Systematic error resolved in NIST Johnson noise thermometer
A Pollarolo, W Tew, H Rogalla, JM Underwood, SP Benz
29th Conference on Precision Electromagnetic Measurements (CPEM 2014), 26-27, 2014
42014
Observations and modeling of large area normal-metal/insulator/superconductor refrigerator cooling from 300 mk to below 100 mk
GC O'Neil, PJ Lowell, JM Underwood, JN Ullom
arXiv preprint arXiv:1109.1273, 2011
42011
A surface-sensitive UHV dielectric spectrometer for studies of nanoscale molecular systems on a planar surface
JM Underwood, JC Price
Review of Scientific Instruments 79 (9), 2008
32008
A fast negative impedance converter for JAWS load compensation
J Underwood, S Pfeiffer, G Palo
2020 Conference on Precision Electromagnetic Measurements (CPEM), 1-2, 2020
12020
Andreev Reflections in Micrometer-Scale Normal-Insulator-Superconductor Tunnel Junctions
PJ Lowell, GC O'Neil, JM Underwood, JN Ullom
arXiv preprint arXiv:1110.4839, 2011
12011
Surface-sensitive UHV dielectric studies of nanoscale organic thin films: Adsorption, crystallization, and sublimation
JM Underwood
University of Colorado at Boulder, 2008
12008
Development of a Topological-Insulator-Based Quantum Resistance Standard
NTM Tran, L Rodenbach, J Underwood, A Panna, Z Barcikowski, ...
Bulletin of the American Physical Society, 2024
2024
Quantum Current Sensor Integrating Quantum Anomalous Hall and Josephson Effects
Z Barcikowski, L Rodenbach, NTM Tran, J Underwood, A Panna, ...
Bulletin of the American Physical Society, 2024
2024
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