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Displaying 926 - 950 of 3361

Synthesis, Structure and Canted Antiferromagnetism of Layered Cobalt Hydroxide Sorbate

November 1, 2023
Author(s)
Jonathan B. Lefton, Wenhao Liu, Claire Lamberti, Bing Lv, Craig Brown, Ryan Klein, Tom Runcevski
Layered hybrid organic–inorganic compounds of the transition metal hydroxides, in which part of the hydroxide ions are exchanged for organic ligands that act as spacers of the 2-dimensional inorganic layers, elicit new or enhanced properties. The

Recrystallization Texture and Magnetic Properties of Electrodeposited FePt on Cu(001)

October 12, 2021
Author(s)
Erik B. Svedberg, J Mallett, S Sayan, Alexander J. Shapiro, William F. Egelhoff Jr., Thomas P. Moffat
… (degrees) C leads to a more complete transformation and magnetic measurements indicate high perpendicular … are accessible through the recrystallization reaction. The magnetic and structural properties reported in this work may … role in future ultrahigh-denisty patterned perpendicaulr magnetic media. …

Scanning Electron Microscopy with Polarization Analysis: High Resolution Images of Magnetic Microstructure

January 1, 1987
Author(s)
G Hembree, John Unguris, Robert Celotta, Daniel T. Pierce
… Images from Fe-3%Si demonstrate the independence of magnetic and topographical contrast except in special cases … in permalloy thin film recording heads and to observe the magnetic microstructure of CoNi thin film recording high … with Polarization Analysis: High Resolution Images of Magnetic Microstructure …

Magnetic Resonance in an Atomic Vapor Excited by a Mechanical Resonator

December 1, 2006
Author(s)
Ying-Ju Wang, Matthew Eardley, Svenja A. Knappe, John M. Moreland, Leo W. Hollberg, John Kitching
… atoms in the gas phase. This couplin, mediated by a magnetic particle attached to the tip of the miniature … a coherent precession of the atomic spins about a static magnetic field. The novel coupled atom-resonator system may … Magnetic Resonance in an Atomic Vapor Excited by a Mechanical …

Structural, Electronic, and Magnetic Properties of Heterofullerene C 48 B 12

July 1, 2003
Author(s)
Rui-Hua Xie, L Jensen, Garnett W. Bryant, J Zhao, V H. Smith
… Bonding, electric (hyper) polarizability; vibrational and magnetic properties of heterofullerene C 48 B 12 are studied … of C 48 B 12 are assigned. Eight 13 C and two 11 B nuclear magnetic resonance (NMR) spectral lines of C 48 B 12 are … Structural, Electronic, and Magnetic Properties of Heterofullerene C 48 B 12 …

Development, Validation, Qualification and Dissemination of Quantitative Magnetic Resonance Methods: Overview and Recommendations by the ISMRM Quantitative MR Study Group

November 26, 2021
Author(s)
Sebastian Weingartner, Kimberly Desmond, Nancy Obuchowski, Bettina Baessler, Yuxin Zhang, Emma Biondetti, Dan Ma, Xavier Golay, Michael Boss, Jeffrey Gunter, Katy Keenan, Diego Hernando
… Magnetic Resonance in Medicine … Qualification and Dissemination of Quantitative Magnetic Resonance Methods: Overview and Recommendations by …

Enhanced Magnetic Trap Loading for Atomic Strontium

October 26, 2015
Author(s)
Gretchen K. Campbell, Daniel Barker, Benjamin Reschovsky, Neal Pisenti
… improve the continuous loading of atomic strontium into a magnetic trap from a Magneto-Optical Trap (MOT). This is … The depumping laser increases atom number in the magnetic trap and subsequent cooling stages by up to 65 % for … Enhanced Magnetic Trap Loading for Atomic Strontium …

Correlations Between the Magnetic and Structural Properties of Ca Doped BiMnO 3

April 1, 2001
Author(s)
H Woo, T A. Tyson, Mark Croft, S W. Cheong, Joseph Woicik
… on BCMO to correlate transport, structural and magnetic properties. The BCMO system is insulating and … symmetry cells as Bi content increases. These structural-magnetic correlations point to the importance of Mn-O … Correlations Between the Magnetic and Structural Properties of Ca Doped BiMnO 3 …

Weyl-mediated helical magnetism in NdAlSi

August 19, 2021
Author(s)
Jonathan Gaudet, Hung-Yu Yang, Santu Baidya, Baozhu Lu, Guangyong Xu, Yang Zhao, Jose Rodriguez Rivera, Christina M. Hoffman, David E. Graf, Darius H. Torchinsky, Predrag Nikolic, David Vanderbilt, Fazel Tafti, Collin L. Broholm
… a rare example of Weyl fermions driving collective magnetism. … Weyl-mediated helical magnetism in NdAlSi …

Electrical Switching the Perpendicular Neel Order in a Collinear Antiferromagnet

November 1, 2024
Author(s)
Wenqing He, Tianyi Zhang, Yongjian Zhou, Caihua Wan, Hao Wu, Baoshan Cui, Jihao Xia, Ran Zhang, Tengyu Guo, Peng Chen, Mingkun Zhao, Leina Jiang, Alexander Grutter, Purnima P. Balakrishnan, Andrew Caruana, Christy Kinane, Sean Langridge, Guoqiang Yu, Cheng Song, Xiufeng Han
Spintronics is based on the electrical manipulation of magnetic order through current-induced spin torques. In collinear antiferromagnets with perpendicular magnetic anisotropy, binary states can be directly encoded in their opposite Néel order. The

Magnetic Properties of (Fe 1-x Mn x ) 2 AlB 2 and the Impact of Substitution on the Magnetocaloric Effect

August 6, 2020
Author(s)
D. Potashnikov, Elad Nisan NMN Caspi, A. Pesach, S. Kota, M. Sokol, L. A. Hanner, M. W. Barsoum, Hayden Evans, A. Eyal, A. Keren, O. Rivin
… In this work, we investigate the magnetic structures of (Fe 1−x Mn x ) 2 AlB 2 solid-solution … (AFM), respectively, herein we focused on the magnetic structure of their solid solutions, which is not … C ) decreases linearly with increasing x. These changes in magnetic moments and structures are reflected in anomalous …

Synthesis of Photoactive Magnetic Nanoparticles with Atomic Layer Deposition

March 8, 2010
Author(s)
Yun Zhou, David M. King, Jianhua Li, Kathryn S. Barrett, Ronald B. Goldfarb, Alan W. Weimer
… Iron-based magnetic nanoparticles have been produced by decomposition of … to H 2 O 2 during the TiO 2 ALD process, thus reducing the magnetic moment of the core particles. As an improvement in … Synthesis of Photoactive Magnetic Nanoparticles with Atomic Layer Deposition …

Frustrated magnetization reversal in Co/Pt multilayer films

July 13, 2009
Author(s)
Joseph E. Davies, O Hellwig, Eric E. Fullerton, M. Winklhofer, Robert D. Shull, Kai Liu
… The magnetization reversal behavior in Co/Pt multilayers with … for samples with between 10 and 50 bilayer repeats the magnetization decreases more significantly when the applied … structure. This leads to a large enough decrease in the magnetization so as to cause the corresponding FORCs to cross …

(001) FePt Graded Media with PtMn Underlayers

November 1, 2012
Author(s)
Chao-Chien Chiang, Wu-Chang Tsai, Liang-Wei Wang, Hao-Cheng Hou, Jung-Wei Liao, Hong-Ji Lin, Fan-Hsiu Chang, Brian Kirby, Chih-Huang Lai
(001)-oriented FePt graded media are obtained by using PtMn underlayers. The PtMn underlayer does not only behave as the (001) structural template, but provides the diffusion source of Mn. The diffusion of Mn into FePt reduces its anisotropy but, on the

Exploring Interfacial Exchange Coupling and Sublattice Effect in Heavy Metal/Ferrimagnetic Insulator Heterostructures using Hall Measurements, X-Ray Magnetic Circular Dichroism, and Neutron Reflectometry

March 4, 2019
Author(s)
Qiming Shao, Alexander Grutter, Yawen Liu, Guoqiang Yu, Chao-Yao Yang, Dustin A. Gilbert, Elke Arenholz, Padraic Shafer, Xiaoyu Chi, Chi Tang, Mohammed Aldosary, Aryan Navabi, Qing Lin He, Brian Kirby, Jing Shi, Kang L. Wang
… of the MPE at low temperature, which is confirmed by X-ray magnetic circular dichroism and polarized neutron … Magnetic insulator, Anomalous hall effect, Ferrimagnet, Thin … Insulator Heterostructures using Hall Measurements, X-Ray Magnetic Circular Dichroism, and Neutron Reflectometry …

Tricritical Point of the f-Electron Antiferromagnet USb 2 Driven by High Magnetic Fields

January 12, 2017
Author(s)
Ryan L. Stillwell, I Lin NMN Liu, N. Harrison, M. Jaime, J. R. Jeffries, Nicholas Butch
… In pulsed magnetic fields up to 65T and at temperatures below the Neel … H c 52T. At high fields for H> H c we found a decreased magnetic moment roughly half of the moment reported in low … of the f-Electron Antiferromagnet USb 2 Driven by High Magnetic Fields …

Observation of Quantum Anomalous Hall Effect and Exchange Interaction in Topological Insulator/Antiferromagnet Heterostructure

August 27, 2020
Author(s)
Lei Pan, Alexander Grutter, Peng Zhang, Xiaoyu Che, Tomohiro Nozaki, Alex Stern, Mike Street, Bing Zhang, Brian Casas, Qing L. He, Eun S. Choi, Steven M. Disseler, Dustin Gilbert, Gen Yin, Qiming Shao, Peng Deng, Yingying Wu, Xiaoyang Liu, Xufeng Kou, Sahashi Masashi, Xiaodong Han, Christian Binek, Scott Chambers, Jing Xia, Kang L. Wang
Integration of a quantum anomalous Hall insulator with a magnetically ordered material provides an additional degree of freedom through which we may control the resulting exotic quantum states. Here, we report an experimental observation of the quantum

Infrared Synchrotron Radiation from Charged Particles Accelerated by a Confined Region of Magnetic Field

October 16, 2008
Author(s)
Ping-Shine Shaw
… charged particle accelerated by a confined and uniform magnetic field. As a direct consequence of this approach, we … when a charged particle encounters discontinuities in magnetic field such as the well-known effect of the edge … by a charged particle going through a region with uniform magnetic field and the dependence of the radiation on the …

Localization of Fe d-states in Ni-Fe-Cu alloys and implications for ultrafast demagnetization

October 20, 2018
Author(s)
Ronny J. Knut, Erna Delczeg, Justin Shaw, Hans Nembach, Patrik Grychtol, Dmitriy Zusin, Christian Gentry, Emrah Turgut, Henry C. Kapteyn, Margaret M. Murnane, Dario A. Arena, Olle Eriksson, Olof Karis, Thomas J. Silva
Ni 80Fe 20 (Py) and Py-Cu exhibit intriguing ultrafast demagnetization behavior, where the Ni magnetic moment shows a delayed response relative to the Fe [S. Mathias et al., PNAS \bf 109}, 4792 (2012)]. To unravel the mechanism responsible for this

High Field X-Ray Diffraction Studies on Gd 5 (Ge 2-x Fe x )Si 2 (x = 0.05 and 0.2)

September 15, 2005
Author(s)
Jim L. Her, Keiichi Koyama, Kazuo Watanabe, Virgil Provenzano, F Fu, Robert D. Shull
We performed the X-ray diffraction measurements in magnetic fields up to 5 T for Gd5(Ge1.95Fe0.05)Si2 and Gd5(Ge1.8Fe0.2)Si2 which are noted recently as related materials for magnetic refrigerants. With heating from 8 K, the matrix of Gd5(Ge1.95Fe0.05)Si2

Spin Transfer Torque and Dynamics

November 1, 2006
Author(s)
Mark D. Stiles, J Miltat
The currents in magnetic multilayers are spin polarized and carry enough angular momentum that they can cause magnetic reversal and induce stable precession of the magnetization in thin magnetic layers. The flow of spins is determined by the spin-dependent

Large magneto-optical Kerr effect and real-time imaging of magnetic domain in an antiferromagnet

January 26, 2018
Author(s)
Daniel B. Gopman, Robert D. Shull, Yury Kabanov, Huiyan Man, L. Wu, O.M.J. van 't Erve, D. Rees, Yufan Li, S. Pantakar, C L. Chien, J Orenstein, Tomoya Higo, Satoru Nakatsuji
… polarized light beam is incident upon the surface of a magnetic material, the reflected light becomes elliptically … and magnetization reversal behavior as well as magnetic domain observations. MOKE also generates significant … technology as well as for the optimization of candidate magnetic devices. Recently, there has been a surge of …
Displaying 926 - 950 of 3361
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