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NIST Authors in Bold

Displaying 651 - 675 of 3361

Coercivity of Ultrathin Films with In-plane Magnetization

April 15, 1997
Author(s)
R Hyman, Mark D. Stiles, L Tang, A Zangwill
… and analytic results for a model of coercivity and magnetization reversal in an array of square monolayer-height … islands on a monolayer of magnetic material with in-plane magnetization. Reversal nucleates at step edges where local … Coercivity of Ultrathin Films with In-plane Magnetization …

Magnetic damping in sputtered Co2MnGe Heusler compounds with A2, B2 and L21 order: Experiment and Theory

March 19, 2018
Author(s)
Justin M. Shaw, Eric R. Edwards, Martin A. Schoen, Michael L. Schneider, Matthew R. Pufall, Thomas J. Silva, Hans T. Nembach, Erna Delczeg
… We show that very low values of the magnetic damping parameter can be achieved in sputter … Heusler, damping, magnetic materials, spin-dynamics, spintronics … Magnetic damping in sputtered Co2MnGe Heusler compounds with …

Interplay between Magnetism and Superconductivity in UTe 2

August 22, 2021
Author(s)
Di Wei, David Saykin, Oliver Miller, Sheng Ran, Shanta Saha, Daniel Agterberg, Jorg Schmalian, Nicholas Butch, Johnpierre N. Paglione, Aharon Kapitulnik
… Interplay between Magnetism and Superconductivity in UTe 2 …

Electronic, Vibrational and Magnetic Properties of a Novel C 48 N 12 Aza-Fullerene

January 1, 2003
Author(s)
R H. Xie, Garnett W. Bryant, V H. Smith
… The structural, electronic, vibrational and magnetic properties of a novel C 48 N 12 aza-fullerene are … theory, hyperpolarizability, infrared spectrum, nuclear magnetic resonance … Electronic, Vibrational and Magnetic Properties of a Novel C 48 N 12 Aza-Fullerene …

The NIST Magnetic Imaging Reference Sample

January 1, 1997
Author(s)
Paul Rice, Stephen E. Russek, J Hoinville, Michael H. Kelley
… We have further developed the NIST magnetic imaging reference sample to include a magnetic pattern which can indicate the magnetic polarity of a magnetic force microscope tip. Several … The NIST Magnetic Imaging Reference Sample …

Ferromagnetism in CuO-ZnO multilayers

July 28, 2008
Author(s)
C. Sudakar, K. Pradmanabhan, R Naik, G Lawes, Brian Kirby, Sanjiv Kumar, V. M. Naik
We investigated the magnetic properties of CuO–ZnO heterostructures to elucidate the origin of the ferromagnetic signature in Cu doped ZnO. The CuO and ZnO layer thickness were varied from 15 to 150 nm and from 70 to 350 nm⁠, respectively. Rutherford

An Accelerated Wear Test Method to Evaluate Lubricant Thin Films on Magnetic Hard Disks

July 1, 2001
Author(s)
X H. Zhang, Richard S. Gates, S Anders, Stephen M. Hsu
… effectiveness of nanometer thick lubricant films on magnetic hard disks. The test evaluates the durability of the … durability, lubricant, lubrication, magnetic hard disks, monolayer, Zdol … Wear Test Method to Evaluate Lubricant Thin Films on Magnetic Hard Disks …

Frustrated Heisenberg J 1 -J 2 Model within the Stretched Diamond Lattice of LiYbO 2

January 14, 2021
Author(s)
Mitchell M. Bordelon, Chunxiao Liu, Lorenzo Posthuma, Eric Kenney, M. J. Graf, Nicholas Butch, Arnab Banerjee, Stuart Calder, Leon Balents, Stephen Wilson
We investigate the magnetic properties of LiYbO 2, containing a three-dimensionally frustrated, diamondlike lattice via neutron scattering, magnetization, and heat capacity measurements. The stretched diamond network of Yb 3+ ions in LiYbO 2 enters a long

High-Frequency Measurements of Spin Valve Films and Devices

May 15, 2003
Author(s)
Shehzaad F. Kaka, John P. Nibarger, Stephen E. Russek, N. A. Stutzke, S. L. Burkett
High-frequency measurements of spin-valve films and devices, made using several different measurement techniques, are presented and compared. Pulsed inductive measurements were made on sheet films and provide insight into the intrinsic dynamical properties

Uncovering the Timescales of Spin Reorientation in TbMn6Sn6

July 26, 2024
Author(s)
Sinead Ryan, Anya Grafov, Na Li, Hans Nembach, Justin Shaw, Hari Bhandari, Tika Kafle, Richa Sapkota, Henry Kapteyn, Nirmal Ghimire, Margaret Murnane
TbMn6Sn¬6 is a ferrimagnetic material which exhibits a highly unusual phase transition near room temperature where spins remain collinear while the total magnetic moment rotates from out-of-plane to in-plane. The mechanisms underlying this phenomenon have

Large Anisotropy Via Oblique Sputtering of Ta Underlayers

May 1, 2001
Author(s)
John E. Bonevich, Robert D. McMichael, Chang H. Lee, P J. Chen, W Wyatt Miller, William F. Egelhoff Jr.
Anisotropy fields in excess of 120 KA/m (1500 Oe) have been produced in 3 nm to 5 nm thick polycrystalline films of Co by oblique sputtering of Ta underlayers. The unusually high anisotropy is magnetostatic in origin, and is induced by corrugations on the

Magnetic microscopy and simulation of strain-mediated control of magnetization in Ni/PMN-PT nanostructures

October 17, 2016
Author(s)
Ian J. Gilbert, Andres C. Chavez, Daniel T. Pierce, John Unguris, Wei-Yang Sun, Cheng-Yen Liang, Gregory P. Carman
… heterostructures enable the electrical manipulation of magnetization with much greater efficiency than other … analysis (SEMPA) and micromagnetic simulations. The magnetization of the Ni nanostructures can be controlled with … which strains the ferroelectric substrate and changes the magnetization via magnetoelastic coupling. We evaluate two …

Spectroscopy of diagnostically-important magnetic-dipole lines in highly-charged 3d^n ions of tungsten

March 31, 2011
Author(s)
Yuri Ralchenko, Ilija Draganic, Dmitry D. Osin, John D. Gillaspy, Joseph Reader
… that almost all strong lines are due to the forbidden magnetic-dipole (M1) transitions within 3dn ground … highly-charged ions, tungsten, magnetic-dipole lines, collisional-radiative modeling, plasma … Spectroscopy of diagnostically-important magnetic-dipole lines in highly-charged 3d^n ions of tungsten …

Micromagnetic Domain Structures of Nano-scale Nickel Dots

January 1, 2001
Author(s)
A Kunz
The magnetic domain structure of cylindrical nickel dots is found to be a function of dot diameter and stripe period of unpatterned films of like thickness. This study was completed using magnetic force microscopy, and Landau-Lifshitz Gilbert micromagnetic

Frequency Shifts in an Optical Lattice Clock Due to Magnetic Dipole and Electric-quadrupole Transitions

November 7, 2008
Author(s)
A. V. Taichenachev, V. I. Yudin, V.D. Ovsiannikov, V.G. Pal'chikov, Christopher W. Oates
… confined to an optical lattice. These shifts result from magnetic dipole and electric quadrupole transitions, which … magnetic dipole transitions, optical atomic clocks, optical … Frequency Shifts in an Optical Lattice Clock Due to Magnetic Dipole and Electric-quadrupole Transitions …

Revealing the Symmetry of Materials through Neutron Diffraction

June 12, 2022
Author(s)
William D. Ratcliff
Magnetic materials are used in many devices in everyday life. To control their properties, we must first understand how they are ordered. This can be accomplished through neutron diffraction measurements. However, in many cases, there are too many

EUV magnetic-dipole lines from highly-charged high-Z ions with an open $3d$ shell

November 27, 2012
Author(s)
Yuri Ralchenko, John D. Gillaspy, Joseph Reader, Dmitry D. Osin
… 25 nm. A total of 133 new spectral lines, primarily due to magnetic-dipole transitions within the ground-state $3d^n$ … spectra, EBIT, highly-charged ions, Hf, Ta, Au, magnetic-dipole lines … EUV magnetic-dipole lines from highly-charged high-Z ions with an …

Extreme Magnetic Field-Boosted Superconductivity

December 1, 2019
Author(s)
Sheng NMN Ran, I Lin NMN Liu, Yun Suk Eo, Daniel J. Campbell, Paul M. Neves, Wesley T. Fuhrman, Shanta Ranjan Saha, Christoper Eckberg, Hyunsoo Kim, David Graf, Fedor Balakirev, John Singleton, Johnpierre N. Paglione, Nicholas Butch
… Applied magnetic fields underlie exotic quantum states, such as the … on the other hand, is inherently antagonistic towards magnetic fields. Only in rare cases 3-5 can these effects be … . Strikingly, we observe superconductivity in the highest magnetic field range identified for any reentrant …

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 …
Displaying 651 - 675 of 3361
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