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Displaying 1076 - 1100 of 3361

Magnetic Ground State of the Kitaev Na 2 Co 2 TeO 6 Spin Liquid Candidate

June 2, 2023
Author(s)
Weiliang Yao, Yang Zhao, Yiming Qiu, Christian Balz, Ross Stewart, Jeffrey Lynn, Yuan Li
… study of its high-quality single crystals under a-axis magnetic fields. While fields up to 10 Tesla suppress … C 3 symmetry, the failure of the field to repopulate magnetic domains leaves only two possibilities open: either … Magnetic Ground State of the Kitaev Na 2 Co 2 TeO 6 Spin …

Deformation of the Moving Magnetic Skyrmion Lattice in MnSi under Electric Current Flow

July 11, 2019
Author(s)
D. Okuyama, Markus Bleuel, J. S. White, Qiang Ye, Jeffery R Krzywon, G. Nagy, Z. Q. Im, I. Zivkovic, M. Bartkowiak, H. M. Ronnow, S. Hoshino, J. Iwasaki, N. Nagaosa, A. Kikkawa, Y. Taguchi, Y. Tokura, D. Higashi, J. D. Reim, Y. Nambu, T. J. Sato
… matter, such as vortices in type-II superconductors, and magnetic skyrmions in chiral ferromagnets. While knowledge on the static behavior of magnetic skyrmions is accumulating steadily, their dynamics … open issue. Here, we report the deformation of the moving magnetic skyrmion lattice in MnSi under electric current flow …

Electrical Transport and Magnetic Properties of a Possible Electron-Doped Layered Manganese Oxide

February 1, 2000
Author(s)
Y Zhao, Y H. Li, S B. Ogale, M Rajeswari, V Smolyaninova, T Wu, A Biswas, L Salamanca-Riba, R L. Greene, R Ramesh, M Venkatesan, Jake H. Scott
… laser deposition and their structural, transport, and magnetic properties. The as-grown thin films have both the … and an embedded Mn) phase. The electrical transport and magnetic properties of the films are dominated by the matrix … of the matrix phase, and the structural, electrical, and magnetic properties of the films, we propose that the matrix …

Magnetic Ordering and Structural Distortion in PrFeAsO Single Crystal Studied by Neutron and X-ray Scattering

May 5, 2021
Author(s)
M. G. Kim, William D. Ratcliff, D. M. Pajerowski, J.-W. Kim, J.-Q. Yan, Jeffrey W. Lynn, A. I. Goldman, A. Kreyssig
… We report the magnetic ordering and structural distortion in PrFeAsO … x-ray diffraction, neutron diffraction, and x-ray resonant magnetic scattering (XRMS). We found the structural … in the stripe-like AFM order. The temperature dependent magnetic order parameter of the Pr moments shows no evidence …

An optical lattice of flux

April 25, 2011
Author(s)
Ian B. Spielman
A suitable optical lattice for cold atoms could produce a large effective magnetic field in which the atoms would realize analogs to quantum Hall states.

Flux growth of Yb6.6Ir6Sn16 having mixed valent ytterbium

June 12, 2014
Author(s)
Sebastian Peter, Udumula Subbarao, Sudhindra Rayaprol, Joshua Martin, Mahalingam Balasubramanian, Christos D. Malliakas, Mercouri G. Kanatzidis
The new compound Yb6.6Ir6Sn16 was obtained as single crystals in high yield from the reaction of Yb with Ir and Sn run in excess indium. Single crystal X-ray diffraction analysis shows that Yb6.6Ir6Sn16 crystallizes in the tetragonal space group P42/nmc

Structural Control of Magnetic Anisotropy in a Strain-Driven Multiferroic EuTiO 3 Thin Film

September 26, 2013
Author(s)
X. Ke, T. Birol, R. Misra, J.-H. Lee, Brian Kirby, D. G. Schlom, C.J. Fennie, J. W. Freeland
… perovskite oxides. We report on a strong in-plane uniaxial magnetic anisotropy in a strain-enabled multiferroic EuTiO 3 … 3 substrate. First principles calculations show that the magnetic anisotropy is closely correlated with the uniaxial … Structural Control of Magnetic Anisotropy in a Strain-Driven Multiferroic EuTiO 3 …

Formation and structure of 360 and 540 degree domain walls in thin magnetic stripes

February 10, 2012
Author(s)
Youngman Jang, Samuel R. Bowden, Mark Mascaro, John Unguris, Caroline Ross
… narrow Co wires connected to injection pads by cycling a magnetic field perpendicular to the wire length. The … electron microscopy with polarization analysis and magnetic force microscopy is in good quantitative agreement … and structure of 360 and 540 degree domain walls in thin magnetic stripes …

Skyrmion-Excited Spin-Wave Fractal Networks

August 18, 2023
Author(s)
Nan Tang, W. L. N. C. Liyanage, Sergio A. Montoya, Sheena Patel, Lizabeth J. Quigley, Alexander Grutter, Michael R. Fitzsimmons, Sunil Sinha, Julie A. Borchers, Eric E. Fullerton, Lisa Debeer-Schmitt, Dustin A. Gilbert
Magnetic skyrmions exhibit unique, technologically relevant pseudo-particle behaviors which arise from their topological protection, including well-defined, three-dimensional breathing and gyration modes which occur at microwave frequencies. During dynamic

HCI Reduced Barriers in Magnetic Tunnel Junctions

December 7, 2008
Author(s)
Joshua M. Pomeroy, Holger Grube
… highly charged ions, magnetic tunnel junction, potential energy sputtering … HCI Reduced Barriers in Magnetic Tunnel Junctions …

Detailed Dynamics of a Moving Magnetic Skyrmion Lattice in MnSi Observed Small-Angle Neutron Scattering under an Alternating Electric Current Flow

July 22, 2024
Author(s)
D. Okuyama, M. Bleuel, Qiang Ye, Jeffery Krzywon, N. Nagaosa, A. Kikkawa, Y. Taguchi, Y. Tokura, J. Reim, Y. Nambu, T. Sato
… textures is ubiquitous in solid-state materials, such as a magnetic skyrmion lattice in chiral magnets. In the magnetic skyrmion lattices, their moving states and dynamics … is crucial to realizing spintronic applications, such as magnetic domain-wall racetrack memory [Parkin et al., Science …

Strain-Induced Competition between Ferromagnetism and Emergent Antiferromagnetism in (Eu,Sr)MnO 3

September 4, 2018
Author(s)
Alexander J Grutter, Steven M. Disseler, E. J. Moon, Dustin Allen Gilbert, E. Arenholz, A. Suter, T. Prokscha, Z. Salman, Brian J Kirby, S. J. May
We demonstrate emergent antiferromagnetic interactions is strained thin films of the mixed valence manganite (Eu,SR)MnO 3. Although the composition studied, Eu 0.7Sr 0.3MnO 3, will nominally yield a ferromagnetic phase in bulk, we observe significant

Exchange-Biasing Topological Charges by Antiferromagnetism

July 17, 2018
Author(s)
Qing Lin He, Gen Yin, Alexander Grutter, Lei Pan, Xiaoyu Che, Guoqiang Yu, Dustin A. Gilbert, Steven M. Disseler, Yizhou Liu, Padraic Shafer, Bin Zhang, Yingying Wu, Brian Kirby, Elke Arenholz, Roger K. Lake, Xiaodong Han, Kang L. Wang, Xiaodong Han, Kang L. Wang
'Geometric' or 'topological' Hall effect is induced by the emergent gauge field experienced by the carriers adiabatically passing through chiral spin textures. This effect is an indication of non-trivial spin textures, such as magnetic skyrmions. Here we

Probing electric field control of magnetism using ferromagnetic resonance

January 29, 2015
Author(s)
Ziyao Zhou, Morgan Trassin, Ya Gao, Yuan Gao, Diana Qiu, Khalid Ashraf, Tianxiang Nan, Xi Yang, Samuel R. Bowden, Daniel T. Pierce, Mark D. Stiles, John Unguris, Ming Liu, Brandon Howe, Gail Brown, Sayeef Salahuddin, Ramamoorthy Ramesh, Nian Sun
… Probing electric field control of magnetism using ferromagnetic resonance …

Recent Experiments with Bose-Condensed Gases at JILA

October 12, 2021
Author(s)
D S. Hall, J R. Ensher, D S. Jin, M R. Matthews, C E. Wieman, Eric A. Cornell
We consider a binary mixture of two overlapping Bose-Einstein condensates in two different hyperfine states of 87Rb with nearly indentical magnetic moments. Such a system has been simply realized through application of radio frequency and microwave which

Nuclear quadrupole resonances in compact vapor cells: The crossover between the NMR and the nuclear quadrupole resonance interaction regimes

January 22, 2009
Author(s)
Elizabeth A. Donley, Jonathan Long, Tara C. Liebisch, Eleanor Hodby, Ted Fisher, John E. Kitching
We trace the transformation of I = 3/2 131-Xe nuclear spin resonances from the pure nuclear quadrupole regime to the quadrupole-perturbed Zeeman regime. We achieve large nuclear quadrupole shifts by using a 1mm 3 cubic cell with walls of different

Tuning the Spontaneous Exchange Bias Effect in La1.5Sr0.5CoMnO6 with Sintering Temperature

April 24, 2024
Author(s)
C Macchiutti, J Jesus, F Carneiro, L Bufaical, Ryan Klein, Q. Zhang, M Kirkham, Craig Brown, R dos Reis, G. Perez, E. Bittar
Here, we present a study of the influence of microstructure on the magnetic properties of polycrystalline samples of the La1.5Sr0.5CoMnO6 double perovskite, with primary attention to the spontaneous exchange bias effect, a fascinating recently discovered

Vapor Entraining Magnetic Mixer for Reaction and Equilibrium Applications

March 1, 2001
Author(s)
Thomas J. Bruno, Michael C. Rybowiak
… individual components of a liquid. For these applications, magnetic stirrers often provide a convenient and efficient … These mixing operations are difficult to accommodate with magnetic stirrers because the vast majority of such stirrers … Vapor Entraining Magnetic Mixer for Reaction and Equilibrium Applications …

Structure and Properties of a-NaFeO 2 -type Ternary Sodium Iridates

February 1, 2014
Author(s)
Kristen Baroudi, Cindi Yim, Hui Wu, Qingzhen Huang, John H. Roudebush, Eugenia Vavilova, Hans-Joachim Grafe, Vladislav Kataev, Bernd Buechner, Huiwen Ji, Changyang Kuo, Zhiwei Hu, Tun-Wen Pi, Chiwen Pao, Jyhfu Lee, Daria Mikhailova, Liu Hao Tjeng, R. J. Cava
The synthesis, structure, and elementary magnetic and electronic properties are reported for layered compounds of the type Na 3-xMIr 2O 6 and Na 3-xM 2IrO 6, where M is a transition metal from the 3d series (M=Zn, Cu, Ni, Co, Fe and Mn). The rhombohedral

Radiation Studies of Spin-transfer Torque Materials and Devices

August 15, 2013
Author(s)
H. L. Hughes, Konrad Bussmann, Shu-Fan Cheng, Robert D. Shull, Andrew P. Chen, S. Schafer, T. Mewes, A. Ong, E. N. Chen
Spin-transfer torque film stacks and devices having in-plane magnetization were irradiated using a cobalt-60 gamma source. The film stacks have a biased, synthetic antiferromagnet spin-valve architecture. Measurements of magnetization vs. field

Detection of coherent and incoherent spin dynamics during the magnetic switching process using vector-resolved nonlinear magneto-optics

September 16, 2002
Author(s)
Thomas J. Silva, Pavel Kabos, Matthew Pufall
… It is usually assumed that magnetic switching proceeds via coherent rotation under … reason to expect an inhomogeneous response when a uniform magnetic torque is applied to a homogeneous ferromagnet. We … the generation of incoherent spin waves during the magnetic reorientation process. The inhomogeneity is …
Displaying 1076 - 1100 of 3361
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