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Displaying 676 - 700 of 3361

Magnetic Microstructure of the (0001) Surface of the HCP Cobalt

January 1, 1989
Author(s)
John Unguris, M Scheinfein, Robert Celotta, Daniel T. Pierce
… The magnetic domain structure of the (0001) surface of a hcp … Microscopy. In addition, a previously unobserved in-plane magnetic substructure was measured. The in-plane … Magnetic Microstructure of the (0001) Surface of the HCP …

Optical Microchip Detection of Nuclear Magnetic Resonance

May 4, 2008
Author(s)
M Ledbetter, I Savukov, D Budker, Vishal Shah, Svenja A. Knappe, John Kitching, S Xu, D Michalak, A Pines
… We demonstrate optical detection of nuclear magnetic resonance on a microchip. A theoretical optimization … competitive with that demonstrated by microcoils in high magnetic fields, without requiring superconducting magnets. … Optical Microchip Detection of Nuclear Magnetic Resonance …

Magnetic Properties and Applications of Engineered Nanomaterials

January 20, 2017
Author(s)
Cindi L. Dennis
… please see references [2] and [3]. For a review of magnetic instrumentation, please see reference [4]). Instead, … that are most important and/or frequenly misunderstood for magnetic nanomaterials. A selection of applications ranging … Magnetic Properties and Applications of Engineered …

Intertwining of Frustration with Magneto-Elastic Coupling in the Multiferroic LuMnO 3

December 25, 2013
Author(s)
Shin-ichiro Yano, Despina Louca, Songxue Chi, Masaaki Matsuda, Yiming Qiu, John R. Copley, Sang-Wook Cheong
Residual magnetic frustration in the multiferroic LuMNO 3 may be key towards understanding magneto-elastic coupling in hexagonal manganites. Critical magnetic scattering present well above the magnetic ordering temperature Τ N persists below, as observed

Magnetoelectronic Devices Using a-Fe 2 O 3 Bottom GMR Spin-Valves

July 1, 2001
Author(s)
S Bae, S Zurn, William F. Egelhoff Jr., P J. Chen, L Sheppard, E J. Torok, J H. Judy
The characteristics of a magnetoresistive random access memory (MRAM) and a giant magnetoresistive (GMR) transpinnor, which is an active solid-state device, have been investigated using α-Fe 2O 3 bottom GMR spin-valves. Patterned α-Fe 2O 3 bottom GMR spin

Electrically Driven Exchange Bias via Solid State Magneto-Ionics

August 4, 2021
Author(s)
Peyton Murray, Christopher Jensen, Alberto Quintana, Junwei Zhang, Xixiang Zhang, Alexander Grutter, Brian Kirby, Kai Liu
Electrically induced ionic motion offers a new way to realize voltage-controlled magnetism, opening the door to a new generation of logic, sensor, and data storage technologies. Here, we demonstrate an effective approach to magneto-ionically and

Growth of Magnetic Nanowires in an Applied Field

October 12, 2021
Author(s)
R D K. Misra, H Nathani, William F. Egelhoff Jr.
… Nanostructured quasi one-dimensional magnetic materials (nanowires) have attracted significant … and technological interest because they exhibit unique magnetic properties not displayed by their bulk or … Nanocrystalline ferrites belong to this class of magnetic materials known for their spontaneous magnetization. …

Measurement-driven neural-network training for integrated magnetic tunnel junction arrays

May 14, 2024
Author(s)
William Borders, Advait Madhavan, Matthew Daniels, Vasileia Georgiou, Martin Lueker-Boden, Tiffany Santos, Patrick Braganca, Mark Stiles, Jabez J. McClelland, Brian Hoskins
… on hardware-based neural networks consisting of 20 000 magnetic tunnel junction (MTJ) arrays integrated on CMOS … Neuromorphic computing, magnetic tunnel junctions, machine learning … Measurement-driven neural-network training for integrated magnetic tunnel junction arrays …

Progress on Vacuum-to-Air Mass Calibration System Using Magnetic Suspension to Disseminate the Planck-constant Realized Kilogram

July 31, 2017
Author(s)
Eric C. Benck, Corey A. Stambaugh, Edward C. Mulhern, Patrick J. Abbott, Zeina J. Kubarych
… realized in a vacuum environment. This apparatus uses magnetic suspension to couple the kilogram in air to a high … Magnetic suspension, mass metrology, Planck constant, revised … Progress on Vacuum-to-Air Mass Calibration System Using Magnetic Suspension to Disseminate the Planck-constant …

Thermal Neutron Demagnetization of NdFeB Magnets

July 30, 2006
Author(s)
R Klaffky, Richard M. Lindstrom, Brian B. Maranville, Robert D. Shull, B Micklich, J Vacca
… effect that thermal neutrons have on Nd2Fe14B permanent magnets, the magnetization and coercivity were studied as a … energy deposition in the APS Sector 3 insertion device magnets and the predicted gamma and neutron fluxes are … reactions with the boron and with materials close to the magnets (aluminum and vanadium permendur) are primarily …

Using Structural Phase Transitions to Enhance the Coercivity of Ferromagnetic Films

October 17, 2019
Author(s)
Ryan F Need, Josh Lauzier, Logan Sutton, Brian J Kirby, Jose de la Venta
Storing information in magnetic recording technologies requires careful optimization of the recording media's magnetic properties. For example, heat-assisted magnetic recording (HAMR) relies on a pre-recording heating step that momentarily lowers the

Uncertainty analysis of adsorption measurements using commercial gravimetric sorption analyzers with simultaneous density measurement based on a magnetic-suspension balance

April 27, 2020
Author(s)
Xiaoxian Yang, Reiner Kleinrahm, Mark O. McLinden, Markus Richter
… gravimetric sorption analyzer, which is based on a magnetic-suspension balance, was significantly improved to … the force-transmission error (FTE) of the instrument's magnetic- suspension coupling, and we analysed the … adsorption isotherm, gravimetric sorption analyzer, magnetic-suspension coupling, densimeter, uncertainty analysis …

Gd(sub 90)Co(sub 2.5)Fe(sub 7.5) Alloy Displaying Enhanced magnetocaloric Properties

July 3, 2015
Author(s)
Virgil Provenzano, Robert D. Shull, G Kletetschka, Paul E. Stutzman
Because of its attractive magnetocaloric properties, gadolinium (Gd) metal is currently the refrigerant of choice in the development of near-room temperature magnetic cooling prototypes (refrigerators, heat pumps, and air conditioners). The overwhelming

Perspective: Probing 2-D Magnetic Structures in a 3-D World

March 1, 2016
Author(s)
Alexander J. Grutter
… Magnetic interfaces have been identified as promising systems … structure and competition between nearly degenerate magnetic ground states allow the stabilization of widely … which must be overcome in order to understand and control magnetic properties at the atomic level. Using recent …

Theory of a magnetic microscope with nanometer resolution

January 1, 2001
Author(s)
P Johansson, S Apell, David R. Penn
… A scanning tunneling microscope (STM) is used to scan a magnetic substrate while a laser is focused on the STM tip. … the tip and substrate is enhanced in such a way that the magnetic Kerr effect, which is normally of order 0.1%, is … a large background of circular polarization which is non-magnetic in origin. This circular polarization is produced by …

Materializing Rival Ground States in the Barlowite Family of Kagome Magnets: Quantum Spin Liquid, Spin Ordered, and Valence Bond Crystal States

April 14, 2020
Author(s)
Rebecca W. Smaha, Wei He, Jack Mingde Jiang, JiaJia Wen, Yi-Fan Jiang, John P. Sheckelton, Charles J. Titus, Suyin Grass Wang, Yu-Sheng Chen, Simon J. Teat, Adam A. Aczel, Yang Zhao, Guangyong Xu, Jeffrey W. Lynn, Hong-Chen Jiang, Young S. Lee
… Rival Ground States in the Barlowite Family of Kagome Magnets: Quantum Spin Liquid, Spin Ordered, and Valence Bond …

Magnetotransport and magnetic textures in Ho/FeCoGd/b-W multilayers

January 12, 2022
Author(s)
Ramesh Budhani, Vinay Sharma, Ezana Negusse, Jacob Casey, Arjun Pathak, Jerzy Sadowski, Brian Kirby
… interfacial Dzyaloshinskii – Moriya Interaction (DMI) in magnetic multilayers results in the stabilization of … Here we report on the evaluation of interface-driven magnetic interactions in a uniquely designed multilayer where each magnetic layer of two antiferromagnetically coupled …

Inducing Ferrimagnetism in Insulating Hollandite Ba 1.2 Mn 8 O 16

January 27, 2015
Author(s)
Amber M. Larson, Pouya Moetakef, Karen Gaskell, Craig Brown, Graham King, Efrain E. Rodriguez
Folded triangular lattices connecting magnetic metal centers can be realized in the so-called hollandite type structure, providing a new platform for multifunctional behavior in transition metal oxides. The microporous oxide BaMn 8O 16 has been tuned from

Higher order perpendicular magnetic anisotropy in ultra-thin Co60Fe20B20 layers and the observation of an easy cone state.

June 1, 2015
Author(s)
Justin M. Shaw, Hans T. Nembach, Mathias A. Weiler, Martin A. Schoen, Thomas J. Silva, Jonathan Z. Sun, Daniel C. Worledge
… to measure the second and forth order perpendicular magnetic anisotropies in Ta/ Co60Fe20B20/MgO layers over a … resonance, spintronics, perpendicular anisotropy, magnetic tunnel junction … Higher order perpendicular magnetic anisotropy in ultra-thin Co60Fe20B20 layers and the …
Displaying 676 - 700 of 3361
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