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Displaying 1401 - 1425 of 3361

L10 FePd-Based Perpendicular Magnetic Tunnel Junctions with 65% Tunnel Magnetoresistance and Ultralow Switching Current Density

February 9, 2024
Author(s)
Deyuan Lyu, Jenae Shoup, Ali Habiboglu, Qi Jia, Pravin Khanal, Brandon Zink, Yang Lv, Bowei Zhou, Daniel Gopman, Weigang Wang, Jian-Ping Wang
… is increasingly recognized as a potential candidate for magnetic tunnel junctions (MTJs), yet there remains room for … process exhibits pronounced sensitivity to external magnetic fields. We propose two potential mechanisms to … L10 FePd-Based Perpendicular Magnetic Tunnel Junctions with 65% Tunnel Magnetoresistance …

Oxygen as a Surfactant in the Growth of Giant Magnetoresistance Spin Valves

January 1, 1998
Author(s)
P J. Chen, Cedric J. Powell, Mark D. Stiles, Robert McMichael, J Judy, K Takano, A Berkowitz
We have found a novel method for increasing the giant magnetoresistance (GMR) of Co/Cu spin valves with the use of oxygen. Surprisingly, spin valves with the largest GMR are not produced in the best vacuum. Introducing 5x10 -9 Torr (7x10 -7 Pa) into our

Oxygen as a Surfactant in the Growth of Giant Magnetoresistance Spin Valves

December 1, 1997
Author(s)
William F. Egelhoff Jr., P J. Chen, Cedric J. Powell, Mark D. Stiles, Robert McMichael, J Judy, K Takano, A. E. Berkowitz
We have found a novel method for increasing the giant Magnetoresistance (GMR) of Co/Cu spin valves with the use of oxygen. Surprisingly, spin valves with the largest GMR are not produced in the best vacuum. Introducing 5X10 -9 Torr (7X10 -7 Pa) into our

Gapped Excitation in Dense Kondo Lattice CePtZn

January 10, 2017
Author(s)
Leland Weldon Harriger, Steven M.T. Disseler, J. Gunasekera, Jose A. Rodriguez, J. Pixley, P. Manfrinetti, S. K. Dhar, D. K. Singh
We report on neutron υSR scattering studies of dense Kondo lattice CePtZn. The system develops long range incommensurate magnetic order as the temperature is reduced below T N = 1.75 K. Interesting, a Q-indpenedent characteristic and its persistence to

Spin-Orbit Precession Damping in Transition Metal Ferromagnets

January 1, 2007
Author(s)
Keith Gilmore, Y Idzerda, Mark D. Stiles
We provide a simple explanation, based on an effective field, for the precession damping rate due to the spin-orbit interaction. Previous effective field treatments of spin-orbit damping include only variations of the state energies with respect to the

Solution-phase and Magnetic Approach Towards Understanding Iron Gall Inks

August 13, 2012
Author(s)
Harshita Kumari, Steven R. Kline, Cindi L. Dennis, Andrew V. Mossine, Rick L. Paul, Carol A. Deakyne, Jerry L. Atwood
… a tubular architecture with the iron in the framework. The magnetic analysis suggests a decanted or spiral arrangement … Solution-phase and Magnetic Approach Towards Understanding Iron Gall Inks …

Transverse compressive stress, fatigue, and magnetic substrate effects on the critical current density of Y-Ba-Cu-O coated RABiTS tapes

January 1, 2002
Author(s)
Najib Cheggour, John (Jack) W. Ekin, Cameron C. Clickner, Ron Feenstra, P Goyal, D F. Paranthaman, D F. Lee, D M. Kroeger, D. K. Christen
… substrates (RABiTS) were measured at 76 K and self magnetic field. YBCO coatings on buffered substrates both 50 … cracked regions. Also, it was found that the use of magnetic substrates in the fabrication of the YBCO … Transverse compressive stress, fatigue, and magnetic substrate effects on the critical current density of …

Fluorinated Copolymer Nanoparticles for Multimodal Imaging Applications

February 18, 2010
Author(s)
Mark M. Bailey, Christine M. Mahoney, Elodie Dempah, Jeffrey M. Davis, Matthew Becker, Supang Khondee, Eric J. Munson, Cory J. Berkland
Nanomaterials have emerged as valuable tools in biomedical imaging techniques, such as magnetic resonance imaging (MRI), fluorescence, positron emission tomography (PET), and others. Some have been designed to serve as multimodal imaging agents, combining

First-Principles Calculations of Structural Electronic Vibrational and Magnetic Properties of C 60 and C 48 N 12 : A Comparative Study

February 1, 2003
Author(s)
Rui-Hua Xie, G C. Bryant, L Jensen, V H. Smith
… The structural, electronic, vibrational, and magnetic properties of the C 48 N 12 azafullerene and C 60 … modes. Two different methods for calculating nuclear magnetic shielding tensors of C 60 and C 48 N 12 are … Calculations of Structural Electronic Vibrational and Magnetic Properties of C 60 and C 48 N 12 : A Comparative …

The optical and magnetic properties of Ru-doped hybrid improper perovskite Ca3Mn2O7 via experimental and first-principles calculations

April 7, 2023
Author(s)
Kejia Yuan, Hanwen Zhang, Tianqi Xiao, Zhiyan Li, Winnie Wong-Ng, Wei Zhou, Chao Wang, Shouyu Wang, Weifang Liu
… We have systematically investigated the optical and magnetic properties of Ru-doped hybrid improper perovskite … and to understand the detailed atomic contributions of magnetic moments, the Crystal Orbital Hamilton Population … The optical and magnetic properties of Ru-doped hybrid improper perovskite …

First-Order Phase Transition versus Spin-State Quantum-Critical Scenarios in Strain-Tuned Epitaxial Cobaltite Thin Films

February 14, 2024
Author(s)
John Dewey, Vipul Chaturvedi, Tatiana Webb, Prachi Sharma, William Postiglione, P. Quarterman, Purnima Balakrishnan, Brian Kirby, Lucca Figari, Caroline Korostynski, Andrew Jacobson, Turan Birol, Rafael Fernandes, Abhay Pasupathy, Chris Leighton
Pr-containing perovskite cobaltites exhibit unusual valence transitions, coupled to coincident structural, spin-state, and metal-insulator transitions. Heteroepitaxial strain was recently used to control these phenomena in the model (Pr1−yYy )1−xCaxCoO3−δ

Observation of a superfluid Hall effect

July 3, 2012
Author(s)
Lindsay J. LeBlanc, Karina K. Jimenez Garcia, Ross A. Williams, Matthew C. Beeler, Abigail R. Perry, William D. Phillips, Ian B. Spielman
Measurement techniques based upon the Hall effect are essential tools in condensed matter physics. Here, we report the first observation of a Hall effect in an ultracold gas of neutral atoms, revealed by measuring Bose-Einstein condensate's transport
Displaying 1401 - 1425 of 3361
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