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Displaying 2426 - 2450 of 3361

Transverse Stress and Fatigue Effects in Y-Ba-Cu-O Coated IBAD Tapes

January 8, 2001
Author(s)
John (Jack) W. Ekin, S L. Bray, Najib Cheggour, Cameron C. Clickner, S R. Folytn, P N. Arendt, A A. Polyanskii, David C. Larbalestier, C. N. McCowan
… from high-yield substrates or epoxy impregnation of magnet structures may provide additional tolerance against Jc …

Stiff modes in spinvalve simulations with OOMMF

April 1, 2016
Author(s)
Spyridon Mitropoulos, Vassilis Tsiantos, Kyriakos Ovaliadis, Dimitris Kechrakos, Michael J. Donahue
Micromagnetic simulations are an important tool for the investigation of magnetic materials. Micromagnetic software uses various techniques to solve differential equations, partial or ordinary, involved in the dynamic simulations. Euler, Runge-Kutta, Adams

Magnetoencephalography of Epilepsy with a Microfabricated Atomic Magnetrode

October 22, 2014
Author(s)
Svenja A. Knappe, Orang Alem, Alex M. Benison, Daniel S. Barth, John E. Kitching
We measured the magnetic signature of epileptiform discharges with high signal-to-noise ratio, using microfabricated atomic magnetometers based on laser spectroscopy of rubidium vapor and similar in size to scalp EEG electrodes. Sensitivity to neuronal

FY 1998 Materials Reliability Division Annual Report

October 16, 2008
Author(s)
H I. McHenry
The technical activities of the Materials Reliability Division during Fiscal year 1998 are summarized. The Division has eighteen research projects in five program areas: Metals Processing (3), Ultrasonic Characterization of Materials (9), Electronic

The Magic of Cryogenics

June 1, 2002
Author(s)
D P. Vigliotti, J B. Alcorn, B P. Marsh, N A. Neumeyer
The purpose of this presentation is to introduce teachers to a demonstration that exposes K-12 students to a variety of scientific areas through experiments using liquid nitrogen. This presentation demonstrates how changing the temperature of materials

Imaging the Phase of an Evolving Bose-Einstein Condensate Wave Function

September 1, 2000
Author(s)
J E. Simsarian, J Denschlag, M Edwards, Charles W. Clark, Lu Deng, Edward W. Hagley, Kristian Helmerson, S L. Rolston, William D. Phillips
We demonstrate a spatially resolved autocorrelation measurement with a Bose-Einstein condensate (BEC) and measure the evolution of the spatial profile of its quantum mechanical phase. After releasing the BEC from the magnetic trap, the phase develops a

Elastic and Inelastic Collisions of Cold Spin-Polarized 133 Cs Atoms

August 1, 1998
Author(s)
P J. Leo, Eite Tiesinga, Paul S. Julienne, D K. Walter, S Kadlecek, T G. Walker
We present theoretical calculations of thermally averaged elastic cross sections and spin-relaxation rate coefficients in the temperature range 0.1 to 300 K for Magnetically trapped doubly polarized cesium atoms. The calculations reproduce the recent

Spin Polarization of Secondary Electrons in Transition Metals: Theory

January 1, 1985
Author(s)
David R. Penn, S Apell, S Girvin
A theory of the spin polarization of the secondary electrons in transition metals and glasses is presented. In contrast to the secondary-electron intensity distribution, the spin polarization is shown to yield useful information about the electron-electron

Data-Driven Computational Prediction and Experimental Realization of Exotic Perovskite-Related Polar Magnets

September 2, 2021
Author(s)
Yifeng Han, Meixia Wu, Churen Gui, Chuanhui Zhu, Zhongxiong Sun, Mei-Huan Zhao, Aleksandra Savina, Artem Abakumov, Biao Wang, Feng Huang, Lunhua He, Jie Chen, Qingzhen Huang, Mark Croft, Steven Ehrlich, Syed Khalid, Zheng Deng, Changqing Jin, Christoph Grams, Joachim Hemberger, Xueyun Wang, Jiawang Hong, Umut Adem, Meng Ye, Shuai Dong, Man-Rong Li
… Realization of Exotic Perovskite-Related Polar Magnets …

Measurements of 25 Mg + and 27 Al + magnetic constants for improved ion clock accuracy

July 15, 2019
Author(s)
Samuel M. Brewer, Jwo-Sy Chen, Aaron M. Hankin, Ethan Clements, Chin-wen Chou, Kyle Beloy, Will McGrew, Xiaogang Zhang, Robert J. Fasano, Daniele Nicolodi, Holly Leopardi, Tara Fortier, Scott Diddams, Andrew Ludlow, David J. Wineland, David Leibrandt, David Hume
… Measurements of 25 Mg + and 27 Al + magnetic constants for improved ion clock accuracy …
Displaying 2426 - 2450 of 3361
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