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Search Publications

NIST Authors in Bold

Displaying 901 - 925 of 3361

Absence of the Hyperfine Magnetic Field at the Ru Site in Ferromagnetic Rare-Earth Intermetallics

May 3, 2010
Author(s)
D. Coffey, M. DeMarco, P.C. Ho, M. B. Maple, T. Sayles, Jeffrey W. Lynn, Qingzhen Huang, S. Toorongian, M. Haka
… magnetically ordered systems. One usually assumes that the magnetic order induces a hyperfine magnetic field, B hyper fine , at the ME active site. This is … diffraction have been used to study the nature of the magnetic order in these materials. Both are found to order …

Skyrmion Lattice Formation and Destruction Mechanisms Probed with TR-SANS

April 30, 2024
Author(s)
W. L. N. C. Liyanage, Nan Tang, Rebecca Dally, Lizabeth J. Quigley, C. Buchanan, Guo-Jiun Shu, Nicholas Butch, Kathryn Krycka, Markus Bleuel, Julie A. Borchers, Debeer-Schmitt Lisa, Dustin Gilbert
Magnetic skyrmions are topologically protected, nanoscale whirls of the spin configuration that tend to form hexagonally ordered arrays. As a topologically non-trivial structure, the nucleation and annihilation of the skyrmion, as well as the interaction

Zinc Doped Copper Ferrite Particles as Temperature Sensors for Magnetic Resonance Imaging

December 27, 2017
Author(s)
Karl Stupic, Janusz H. Hankiewicz, Zbigniew Celinski, Robert E. Camley, Marek Przybylski, Jan Zukrowski, Nick Anderson, Noweir Alghamdi, Nicholas Hammelev
… particles as temperature-dependent sensors in magnetic resonance imaging (MRI). This material has a Curie temperature near 290 K, but in the large magnetic fields found in MRI scanners there is a significant temperature-dependent magnetic moment near body temperature, 310 K. When the …

Structural Study of a Group of Magnetic Multilayered Oxides in the BaO:FE 2 O 3 :TiO 2 System. Part I: High-Resolution Electron Microscopy

October 16, 2008
Author(s)
Leonid A. Bendersky, Terrell A. Vanderah, Robert S. Roth
… Structural Study of a Group of Magnetic Multilayered Oxides in the BaO:FE 2 O 3 :TiO 2 … Bao:Fe 2 o 3 Tio 2 system, compounds, high-resolution TEM, magnetic multilayers, structure … Structural Study of a Group of Magnetic Multilayered Oxides in the BaO:FE 2 O 3 :TiO 2 …

Universal Dynamics of Magnetic Monopoles in Two-Dimensional Kagome Ice

December 15, 2021
Author(s)
Hiroshi Takatsu, Kazuki Goto, Taku J. Sato, Jeffrey W. Lynn, Kazuyuki Matsubayashi, Yoshiya Uwatoko, Ryuji Higashinaka, Kazuyuki Matsuhira, Zenji Hiroi, Hiroaki Kadowaki
… A magnetic monopole in spin ice is a novel quasiparticle … physics, and we found that the AC frequency dependent magnetic susceptibility X(ω) in the two-dimensional (2D) spin … Universal Dynamics of Magnetic Monopoles in Two-Dimensional Kagome Ice …

Emergent Ferromagnetism in CaRuo3/CaMnO3 (111)-Oriented Superlattices

February 17, 2024
Author(s)
Margaret Kane, Churna Bhandari, Megan Holtz, Purnima Balakrishnan, Alexander Grutter, Michael R. Fitzsimmons, Chao-Yao Yang, Sashi Satpathy, Durga Paudyal, Yuri Suzuki
The boundary between CaRuO3 and CaMnO3 is an ideal test bed for emergent magnetic ground states stabilized through interfacial electron interactions. In this system, nominally antiferromagnetic and paramagnetic materials combine to yield interfacial

Polaron-Mediated Spin Correlations in Metallic and Insulating La 1-x A x MnO 3 (A=Ca,Sr, or Ba)

December 3, 2014
Author(s)
Joel Helton, Daniel M Pajerowski, Yiming Qiu, Yang Zhao, Dmitry A. Shulyatev, Yakov M. Mukovskii, Georgii L. Bychkov, Sergei N. Barilo, Jeffrey W. Lynn
Neutron spectroscopy measurements reveal short-range spin correlations near and above the ferromagnetic-paramagnetic phase transition in manganite materials of the form La 10zA xMnO 3, including samples with an insulating ground state as well as colossal

A Bose-Einstein Condensate in a Uniform Light-Induced Vector Potential

March 30, 2009
Author(s)
Yu-Ju Lin, Robert L. Compton, Abigail R. Perry, William D. Phillips, James V. Porto, Ian B. Spielman
We use a two-photon dressing field to create an effective vector gauge potential for Bose-condensed ^87Rb atoms in the F=1 hyperfine ground state. The dressed states in this Raman field are spin and momentum superpositions, and we adiabatically load the

Hot Electron Spin-Valve Effect in Coupled Magnetic Layers

January 1, 1994
Author(s)
Robert Celotta, John Unguris, Daniel T. Pierce
… SEMPA observations of magnetic exchange coupling in the Fe/Ag/Fe, Fe/Au/Fe, and … dependence in the transport of electrons between the two magnetic layers. … Hot Electron Spin-Valve Effect in Coupled Magnetic Layers …

Ferromagnetic Resonance Line Width in Inhomogeneous Thin Films

October 12, 2021
Author(s)
Robert McMichael, A B. Kunz, D J. Twisselmann
The dynamic properties of magnetic materials are important for magnetic data storage. The primary measurement technique for understanding magnetization damping is ferromagnetic resonance line width. Because materials inhomogeneities increase experimental

Field-Tunable Quantum Disordered Ground State in the Triangular-Lattice Antiferromagnet NaYbO 2

October 1, 2019
Author(s)
Mitchell M. Bordelon, Eric Kenney, Chunxiao Liu, Tom Hogan, Lorenzo Posthuma, Marzieh Kavand, Yuangqi Lyu, Mark Sherwin, Nicholas Butch, Craig Brown, M. J. Graf, Leon Balents, Stephen D. Wilson
One of the simplest routes to pursuing magnets with strong quantum fluctuations that quench conventional order is via decorating a triangular lattice with antiferromagnetically coupled S=1/2 moments. As disorder and anisotropies inherent in materials

Temperature Dependent Magnetization Reversal in (Co/Pt)/Ru Multilayers

October 16, 2008
Author(s)
Joseph E. Davies, O Hellwig, E E. Fullerton, K Liu
… shown to exhibit both vertically and laterally correlated magnetization reversal modes. In this work the magnetization reversal of a multilayer film whose layer … Temperature Dependent Magnetization Reversal in (Co/Pt)/Ru Multilayers …

Damping Enhancement in Coherent Ferrite-Insulating-Paramagnet Bilayers

November 19, 2019
Author(s)
Jacob J. Wisser, Alexander Grutter, Dustin A. Gilbert, Alpha T. N'Diaye, Christoph Klewe, Padraic Shafer, Elke Arenholz, Yuri Suzuki, Satoru Emori
High-quality epitaxial ferrites, such as low-damping MgAl-ferrite (MAFO), are promising nanosclae building blocks for all-oxide heterostructures driven by pure spin current. However, the impact of oxide interfaces on spin dynamics in such heterostructures

Fractal Universality in Near-Threshold Magnetic Lanthanide Dimers

February 16, 2018
Author(s)
Eite Tiesinga, Constantinos Makrides, Ming Li, Svetlana Kotochigova
… dysprosium lanthanide molecules in an external magnetic field. As recently shown colliding ultracold magnetic dysprosium atoms display a {\it soft} chaotic … and universality in its distribution by increasing the magnetic field strength to only a hundred Gau ss (or 10 mT). …

Interplay Between Fe and Nd Magnetism in NdFeAsO Single Crystals

August 25, 2010
Author(s)
W. Tian, William D. Ratcliff, M. G. Kim, J. -Q. Yan, Paul A. Kienzle, Qingzhen Huang, B. Jensen, K.W. Dennis, R.W. McCallum, Thomas A. Lograsso, R.J. McQueeney, A. I. Goldman, Jeffrey W. Lynn, A. Kreyssig
… Interplay Between Fe and Nd Magnetism in NdFeAsO Single Crystals …

Charge Transfer Enhanced Magnetic Correlations in Type-II Multiferroic Co 3 TeO 6

March 1, 2021
Author(s)
Chi-Hung Lee, Erdembayalag Batsaikhan, Ma-Hsuan Ma, Wen-Hsien Li, Chin-Wei Wang, Chun-Min Wu, Hung-Duen Yang, Jeffrey W. Lynn, Helmuth Berger
… Magnetic structure of the Co ions in monoclinic Co 3TeO d6^ … with single crystal diffractions. The indices of the magnetic reflections that appear at the incommensurate … a single crystal, which allow to uniquely identify the magnetic modulation vector. There are two …

Realizing Exactly Solvable SU(N) Magnets with Thermal Atoms

May 6, 2016
Author(s)
Michael Beverland, Gorjan Alagic, Michael Martin, Andrew Koller, Ana Maria Rey, Alexey Gorshkov
… magnets, ultracold atoms, quantum simulation … Realizing Exactly Solvable SU(N) Magnets with Thermal Atoms …

Cyrogenic pulsed inductive microwave magnetometer

May 15, 2003
Author(s)
Anthony B. Kos, John P. Nibarger, Radek Lopusnik, Thomas J. Silva, Zbigniew J. Celinski
A cryogenic pulsed inductive microwave magnetometer is used to characterize the switching dynamics in thin-film materials at low temperatures and microwave frequencies. The system is contained inside a 20-cm-dia ultrahigh vacuum chamber and cooled by a

Surface-State-Driven Anomalous Hall Effect in Altermagnetic MnTe Films

February 10, 2026
Author(s)
Ling-Jie Zhou, Zhi J. Yan, Hongtao Rong, Yufei Zhao, Pu Xiao, Lok K. Lai, Zhiyuan Xi, Ke Wang, Tibendra Adhikari, Ganesh P. Tiwari, Zhong Lin, Pascal Manuel, Fabio Orlandi, Dmitry Khalyavin, Alexander Grutter, Chao-Xing Liu, Binghai Yan, Cui-Zu Chang
Altermagnets have recently emerged as a new class of magnetic materials that combine compensated magnetic order with spin-split electronic band structures. In this work, we employ molecular beam epitaxy (MBE) to grow MnTe thin films with controlled

Peak Magnetocaloric Effects in Al-Gd-Fe Alloys

June 1, 2004
Author(s)
Virgil Provenzano, Alexander J. Shapiro, T T. King, E R. Canavan, P Shirron, M J. DiPirro, Robert D. Shull
The magnetocaloric properties of several AlxGdyFez (with x+y+z=100) ternary alloys have been determined between 2-300 K. Three distinct peaks in the magnetic entropy change Sm vs T were found: a low temperature peak (near 10 K), an intermediate temperature
Displaying 901 - 925 of 3361
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