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  • Published Date
Displaying 326 - 350 of 1700

Development of a transition-edge sensor bilayer process providing new modalities for critical temperature control

September 21, 2020
Author(s)
Joel Weber, Kelsey Morgan, Daikang Yan, Christine Pappas, Abigail Wessels, Galen O'Neil, Douglas Bennett, Gene C. Hilton, Daniel Swetz, Joel Ullom, Dan Schmidt
Transition-edge sensors (TESs) are thermal detectors in which a superconducting film that is electrically biased in the superconducting-to-normal transition is used as a thermometer. In most TESs, the film is a superconductor-normal metal bilayer where the

Broadband Microwave Signal Dissipation in Nanostructured Copper Oxide at Air/Film Interface

September 17, 2020
Author(s)
Yaw S. Obeng, Papa K. Amoah, Christopher E. Sunday, Jesus Perez, Uros Cvelbar, Martin Kosicek
Contactless broadband microwave spectroscopic technique (a.k.a., broadband dielectric spectroscopy (BDS)) enables the accurate operando analysis of the electrical and magnetic properties applying without compromising the kinetic conditions of the

Reducing the Measurement Time of Exact NOEs by Non-Uniform Sampling

September 3, 2020
Author(s)
Parker J. Nichols, Alexandra Born, Morkos A. Henen, Dean Strotz, David N. Jones, Frank Delaglio, Beat Vogeli
We have previously reported on the measurement of exact NOEs (eNOEs), which yield a wealth of additional information in comparison to conventional NOEs. We have used these eNOEs in a variety of applications, including calculating high-resolution structures

Measurement of the 2P1/2-2P3/2 fine structure splitting in fluorine-like Kr, W, Re, Os and Ir

September 2, 2020
Author(s)
Galen O'Neil, Samuel C. Sanders, Paul Szypryt, Dipti Goyal, Amy Gall, Yang Yang, Samuel M. Brewer, W.Bertrand (Randy) Doriese, Joseph Fowler, Daniel Swetz, Joseph N. Tan, Joel Ullom, Andrey V. Volotka, Endre Takacs, Yuri Ralchenko
Quantum electrodynamics (QED) is currently considered to be one of the most accurate theories of fundamental interactions. As its extraordinary precision offers unique scientific opportunities, e.g., search for new physics, stringent experimental tests of

Transparent High-Frequency Ultrasonic Transducer for Photoacoustic Microscopy Application

September 1, 2020
Author(s)
Jeeseong Hwang, Christopher S. Yung, Ruimin Chen, Yun He, Junhui Shi, Lihong Wang, Qifa Zhou
We report the development of an optically transparent high-frequency ultrasonic transducer using lithium niobate single-crystal and indium-tin-oxide electrodes with up to 90 % optical transmission in the visible to near infrared spectrum. The center

Distinct magneto-Raman signatures of spin-flip phase transitions in CrI3

August 3, 2020
Author(s)
Amber D. McCreary, Thuc T. Mai, Franz Utermohlen, Jeffrey R. Simpson, Kevin F. Garrity, Xiaozhou Feng, Dmitry Shcherbakov, Yanglin Zhu, Jin Hu, Daniel Weber, Kenji Watanabe, Takashi Taniguchi, Joshua Goldberger, Zhiqiang Mao, Chun Ning Lau, Yuanming Lu, Nandini Trivedi, Rolando Valdes Aguilar, Angela R. Hight Walker
The discovery of 2-dimensional (2D) materials, such as CrI3, that retain magnetic ordering down to monolayer thickness, and even more have layer-dependent magnetic properties has led to a plethora of research in 2D magnetism. Here, we report a magneto

Localized Excitons in NbSe2-MoSe2 Heterostructures

July 8, 2020
Author(s)
Jaydeep Joshi, Tong Zhou, Sergiy Krylyuk, Albert Davydov, Igor Zutic, Patrick M. Vora
Neutral and charged excitons (trions) in atomically-thin materials offer important capabilities for photonics, from ultrafast photodetectors to highly-efficient lightemitting diodes and lasers. Recent studies of van der Waals (vdW) heterostructures
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