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NIST Authors in Bold

Displaying 2551 - 2575 of 3361

Magneto-optics of a charge-tunable quantum dot: Observation of a negative diamagnetic shift

March 17, 2025
Author(s)
Giora Peniakov, A Beck, Eilon Poem, Zu-En Su, Boaz Taitler, Sven Hofling, Garnett Bryant, David Gershoni
We present magneto-optical studies of a self-assembled semiconductor quantum dot in neutral and positively charged states. The diamagnetic shifts and Zeeman splitting of many well identified optical transitions are precisely measured. Remarkably, a

Multiplexed SERS Detection of Serum Cardiac Biomarkers Using Plasmonic Metasurfaces

October 15, 2024
Author(s)
Peng Zheng, Lintong Wu, Piyush Raj, Jeong Hee Kim, Santosh Paidi, Stephen Semancik, Ishan Barman
Surface-enhanced Raman spectroscopy (SERS) possesses exquisite molecular-specific properties with single-molecule sensitivity. Yet, translation of SERS into a quantitative analysis technique remains elusive owing to considerable fluctuation of the SERS

Recent progress in the JARVIS infrastructure for next-generation data-driven materials design

October 18, 2023
Author(s)
Daniel Wines, Ramya Gurunathan, Kevin Garrity, Brian DeCost, Adam Biacchi, Francesca Tavazza, Kamal Choudhary
The Joint Automated Repository for Various Integrated Simulations (JARVIS) infrastructure at NIST is a large-scale collection of curated datasets and tools with more than 80000 materials and millions of properties. JARVIS uses a combination of electronic

Three-Dimensional Neutron Far-Field Tomography of a Bulk Skyrmion Lattice

August 13, 2023
Author(s)
Melissa Henderson, Benjamin Heacock, Markus Bleuel, David Cory, Colin Heikes, Michael G. Huber, Jeffery Krzywon, Olivier Nahman-Levesque, Graeme Luke, M Pula, Dusan Sarenac, Kirill Zhernenkov, Dmitry Pushin
Magnetic skyrmions are localized non-collinear spin textures, characterized by an integer topo-logical charge. Their nanometric size and topological protection gives rise to unique dynamics and emergent electromagnetic phenomena, ideal for spintronic

Magnetoelectric Nanocomposite Thin Films Designed by Composition Spreads

October 12, 2021
Author(s)
Makoto Murakami, C Gao, K S. Chang, B Hu, M A. Aronova, C L. Lin, Jason Hattrick-Simpers, S E. Lofland, L Knauss, Leonid A. Bendersky, M. Wuttig, Ichiro Takeuchi
Multiferroic materials Superscript (1,2) can exhibit magnetoelectric (ME) effects Superscript (3-5), which are of great interest for novel device applications including inexpensive ultrasensitive magnetometer approaching the sensitivity of SQUID

Spin relaxation of a donor electron coupled to interface states

November 16, 2018
Author(s)
Peihao Huang, Garnett W. Bryant
An electron spin qubit in a silicon donor atom is a promising candidate for quantum information processing because of its long coherence time. To be sensed with a single-electron transistor, the donor atom is usually located near an interface, where the

Atomic Transition Probabilities of Aluminum and Silicon A Critical Compilation

November 14, 2018
Author(s)
Daniel E. Kelleher, Larissa Podobedova
This compilation is the second in a series of updates to Atomic Transition Probabilities, Sodium through Calcium, published in 19691. Atomic transition probabilities have been critically evaluated and compiled for about 10,800 spectral lines of aluminum

Atomic Transition Probabilities of Sodium and Magnesium A Critical Compilation

November 14, 2018
Author(s)
Daniel E. Kelleher, Larissa Podobedova
This compilation is the first in a series of updates to Atomic Transition Probabilities, Sodium through Calcium, published in 19691. Atomic transition probabilities have been critically evaluated and compiled for about 12,000 spectral lines of sodium and

Transition from Sign-Reversed to Sign-Preserved Cooper-Paring Symmetry in Sulfur-Doped Iron Selenide Superconductors

May 13, 2016
Author(s)
Qisi Wang, J. T. Park, Yu Feng, Yao Shen, Yiqing Hao, Bingying Pan, Jeffrey W. Lynn, A. Ivanov, Songxue Chi, M. Matsuda, Huibo Cao, R. J. Birgeneau, D.V. Efremov, Jun Zhao
An essential step toward elucidating the mechanism of superconductivity is to determine the sign/phase of superconducting order parameter, as it is closely related to the pairing interaction. In conventional superconductors, the electron-phonon interaction
Displaying 2551 - 2575 of 3361
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