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Displaying 376 - 400 of 3361

Magnetic depth profiling Co/Cu multilayers to investigate magnetoresistance

October 12, 2021
Author(s)
John Unguris, D. Tulchinsky, Michael H. Kelley, Julie Borchers, Joseph Dura, Charles Majkrzak, S. Y. Hsu, R. Loloee, W. P. Pratt, J. Bass
… The magnetic microstructure responsible for the metastable high … and quantitatively depth profile the interlayer magnetic domain correlations. We found that in the … Magnetic depth profiling Co/Cu multilayers to investigate … Magnetic depth profiling Co/Cu multilayers to investigate …

Magnetic Fluctuations Driven Insulator-to-Metal Transition in Ca(Ir 1-x Ru x )O 3

December 9, 2015
Author(s)
J. Gunasekera, Leland Harriger, A. Dahal, T. Heitmann, G. Vignale, D. K. Singh
… Magnetic fluctuations in transition metal oxides are a … Despite much effort, however, a clear link between magnetic fluctuations and the insulator-to-metal transition … Here we report the discovery of a compelling link between magnetic fluctuations and the insulator-to-metal transition …

Magnetic skin effect in Pb(Fe1/2Nb1/2)O3

July 29, 2024
Author(s)
Guangyong Xu, Peter M. Gehring
… and hence can be termed a multiferroic. In terms of the magnetic behavior determined by the Fe3+ (S = 5/2, L ≈ 0) … spectroscopy to study the depth dependence of the slow magnetic relaxations in a large 1 cm3 crystal of PFN. … in the relaxational dynamics. PFN displays an analogous magnetic skin effect reported to exist in the structural …

Level Crossings and Zero-Field Splitting in the Cr 8 }-Cubane Spin-cluster by Inelastic Neutron Scattering and Magnetization Studies

November 17, 2010
Author(s)
David Vaknin, V. O. Garlea, F. Demmel, E. Mamontov, H. Nojiri, C. Martin, I. Chiorescu, Yiming Qiu, P. Kogerler, J. Fielden, L. Engelhardt, M. Luban, M. Luban
… scattering in variable magnetic field and high-field magnetization measurements were performed to gain insight … is clearly evident from the INS measurements, while the magnetization measurements were not sensitive to its effects. … }-Cubane Spin-cluster by Inelastic Neutron Scattering and Magnetization Studies …

Exchange Coupling in Magnetic Multilayers

May 1, 2006
Author(s)
Mark D. Stiles
… In magnetic multilayers, the magnetizations of two ferromagnetic layers separated by a non-magnetic spacer layer are coupled by the electrons in the … coupling, Fermi surface, interface electronic structure, magnetic multilayers, quantum well, spin-dependent reflection …

Manipulating Interface Magnetism in Manganite Thin Film Membranes by Substrate Surface Chemistry

November 13, 2024
Author(s)
Purnima P. Balakrishnan, Qinwen Lu, Qing Wang, Shinichiro N. Muramoto, Paige Quarterman, Michael R. Fitzsimmons, Timothy R. Charlton, Xiaofang Zhai, Alexander Grutter
… of complex oxide thin film membranes. While the tunable magnetism of complex oxides is attractive for many … surfaces of transferred LaMnO3 thin films, modifying the magnetism in these interfacial regions. Despite elimination … relationship, the choice of substrate influences the magnetism within the transferred membranes to an unexpected …

Origin and Tuning of the Magnetocaloric Effect in the Magnetic Refrigerant Mn1.1Fe0.9(P0.8Ge0.2)

January 26, 2009
Author(s)
Danmin Liu, Ming Yue, Jiuxing Zhang, T. M. McQueen, Jeffrey Lynn, Xiaolu Wang, Ying Chen, Jiying Li, R. J. Cava, X. Liu, Zaven Altounian, Qingzhen Huang
… to two very distinct crystal structures, with the magnetic-entropy change as a function of magnetic field or temperature being directly controlled by … the physical properties of this system we have achieved a magnetic-entropy change [magnetocaloric effect (MCE)] for the …

Ordered Magnetism in the Intrinsically Decorated j eff = 1/2 a-CoV 3 O 8

December 6, 2018
Author(s)
P. M. Sarte, A. M. Arevalo-Lopez, M. Songvilay, D. Le, T. Guidi, V. Garcia-Sakai, S. Mukhopadhyay, S. C. Capelli, William D. Ratcliff, K. H. Hong, G. M. McNally, E. Pachoud, J. P. Attfield, C. Stock
… magnetism, neutron, ising … Ordered Magnetism in the Intrinsically Decorated j eff = 1/2 a-CoV 3 …

Structure and Magnetic Properties of Electrodeposition Co on n-GaAs (001)

September 19, 2003
Author(s)
A X. Ford, John E. Bonevich, Robert D. McMichael, Mark D. Vaudin, Thomas P. Moffat
… (XRD) and transmission electron microscopy (TEM) while the magnetic properties were examined using a vibrating sample … magnetization. Films grown at faster rates have decreased magnetic anuisotropy due to increased structural dispersion. … (MBE), although the thicknesses at which the various magnetic transitions occur differ significantly, most likely …

Nanoparticle Architecture Preserves Magnetic Properties during Coating to Enable Robust Multi-Modal Functionality

August 23, 2018
Author(s)
Lauren E. Woodard, Cindi L. Dennis, Julie Borchers, Anilchandra Attaluri, Esteban Velarde, Charlene Dawidczyk, Peter C. Searson, Martin G. Pomper, Robert Ivkov
… oxide core-shell nanoparticles, for which the magnetic properties of the iron oxide core are preserved, … indicates that a silica layer surrounds the individual magnetic grains of the polycrystalline iron oxide core, while preserving the magnetic properties. Gold was reduced from solution to …

Structural Magnetic and Thermal Stability of IrMn Exchange Biased Layers

May 1, 2002
Author(s)
Chang H. Lee, J G. Jung, Robert D. McMichael, R A. Fry, Andrew P. Chen, William F. Egelhoff Jr., V S. Gornakov
… The magnetic domain structure, magnetic properties and thermal stability of IrMn biased top … magnetic domain structure, magnetic stability, magneto-optical indicator film (MOIF), … Structural Magnetic and Thermal Stability of IrMn Exchange Biased Layers …

Magnetic Properties and Signatures of Ordering in Triangular Lattice Antiferromagnet KCeO 2

September 15, 2021
Author(s)
Mitchell M. Bordelon, Xiaoling Wang, Daniel M. Pajerowski, Arnab Banerjee, Mark Sherwin, Craig Brown, M. Eldeeb, T. Petersen, L. Hozoi, U. Robler, Martin Mourigal
… The magnetic ground state and the crystalline electric field … Below T N = 300 mK, KCeO 2 develops signatures of magnetic order in specific heat measurements and low energy … Magnetic Properties and Signatures of Ordering in Triangular …

Non-collinear Exchange Coupling in Fe/Mn/Fe(001): Insight from Scanning Tunneling Microscopy

December 1, 2000
Author(s)
Daniel T. Pierce, Angela Davies, Joseph A. Stroscio, D Tulchinsky, John Unguris, Robert Celotta
The film growth and morphology of epitaxial Mn films grown on Fe(001) single crystal whiskers measured with scanning tunneling microscopy (STM) provides insight into the mechanism of interlayer exchange coupling in Fe/Mn/Fe(001) trilayers. The proximity

The Influence of Composition and Field Annealing on Magnetic Properties of FeCo-Base Amorphous and Nanocomposite Alloys

October 16, 2008
Author(s)
Freemon Johnson, C Y. Um, M E. McHenry, H Garmestani
… and very high transverse field annealing on the magnetic properties and structure of four FeCo-based … performed in 17 T transverse field in an inert atmosphere. Magnetic properties were measured between 60 Hz to 1 MHz with an automatic recording hysteresisgraph. Quasistatic magnetic properties were measured with a vibrating sample …

Concurrent Magnetic and Structural Reconstructions at the Interface of (111)-Oriented La 0.07 Sr 0.3 MnO 3 /LaFeO 3

November 21, 2016
Author(s)
I. Hallsteinsen, M. Moreau, Alexander Grutter, M. Nord, P.-E. Vullum, Dustin A. Gilbert, T. Bolstad, J. K. Grepstad, R. Holmestad, S. M. Selbach, A. T. N'Diaye, Brian Kirby, E. Arenholz, T. Tybell
… We observe an induced switchable magnetic moment of 1.6 ± 0.40 υ B/Fe in the nominally … LaFeO d3^/La 0.7 Sr 0.3 MnO 3 /SrTiO 3 (111). The magnetic reconstruction is driven by a mismatch of oxygen … electron correlations and can be used to promote novel magnetic properties. …

Comparison of measured and simulated spin-wave mode spectra of magnetic nanostructures

January 6, 2021
Author(s)
Hans Nembach, Robert McMichael, Michael Schneider, Justin Shaw, Thomas J. Silva
… in nanomagnets for the development and optimization of magnetic devices and sensors, we measured and modeled spin … that the reduction of shape variations between individual magnetic random-access memory elements can potentially … Magnetic nanostructures, spin-wave spectra, micromagnetic …

Broadband Ferromagnetic Resonance Linewidth Measurement of Magnetic Tunnel Junction Multilayers

January 7, 2009
Author(s)
Stephen E. Russek, Ranko R. Heindl, William H. Rippard, Juan F. Sierra, F G. Aliev
… Magnetic tunnel junction multilayer films have been … to be a simple and useful diagnostic of the quality of the magnetic structure and interfaces in magnetic tunnel junctions. … magnetic tunnel junctions, ferromagnetic resonance, FMR, FMR … Broadband Ferromagnetic Resonance Linewidth Measurement of Magnetic Tunnel Junction Multilayers …

Reentrant Phase Diagram of Yb 2 Ti 2 O 7 in a [111] Magnetic Field

September 22, 2017
Author(s)
A. Scheie, J. Kindervater, S. Saubert, C. Duvinage, C. Pfleiderer, H. J. Changlani, S. Zhang, Leland Harriger, K. Arpino, S. M. Koohpayeh, Collin L. Broholm
… diagram of rare-earth pyrochlore Yb 2 Ti 2 O 7 in a (111) magnetic field. Using heat capacity, magnetization, and … Reentrant Phase Diagram of Yb 2 Ti 2 O 7 in a [111] Magnetic Field …

A differential rate meter for real-time peak tracking in optically detected magnetic resonance at low photon count rates

February 12, 2019
Author(s)
Kapildeb Ambal, Robert D. McMichael
… control method to track peaks in optically detected magnetic resonance of nitrogen-vacancy centers in diamond. This procedure allows us to measure magnetic field continuously with sensitivity ≈ 6 µT/Hz1/2 and … (PID) to “lock” the microwave excitation frequency of the magnetic resonance. Our scheme covers a broad magnetic field …

Different Dynamic and Static Magnetic Anisotropy in Thin Permalloy Films

July 6, 2003
Author(s)
Radek Lopusnik, John P. Nibarger, Thomas J. Silva, Zbigniew J. Celinski
… The static anisotropy value was obtained with an inductive magnetic hysteresis loop tracer. The time-resolved … response was measured as a function of in-plane magnetic applied bias field and the angle between the … the constant offset field as a transient component of the magnetic anisotropy that affects only dynamical response at …
Displaying 376 - 400 of 3361
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