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Search Publications by: Paul M Haney (Fed)

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Displaying 1 - 25 of 148

Breakdown of the drift-diffusion model for transverse spin transport in a disordered Pt film

October 25, 2023
Author(s)
Kirill Belashchenko, Giovanni G. Baez Flores, Wuzhang Fang, Alexei Kovalev, Mark van Schilfgaarde, Mark Stiles, Paul M. Haney
Spin accumulation and spin current profiles are calculated for a disordered Pt film subjected to an in-plane electric current within the nonequilibrium Green function approach. In the bulklike region of the sample, this approach captures intrinsic spin

A quantum ruler for orbital magnetism in moire quantum matter

October 5, 2023
Author(s)
Marlou Slot, Yulia Maximenko, Paul M. Haney, Sungmin Kim, Daniel Walkup, Evgheni Strelcov, En-Min Shih, Dilek Yildiz, Steven R. Blankenship, Kenji Watanabe, Takashi Taniguchi, Yafis Barlas, Nikolai Zhitenev, Fereshte Ghahari Kermani, Joseph A. Stroscio
Topological properties that underlie the rich emergent phases of moiré quantum matter (MQM) result from the eigenstate geometry of the moiré Hamiltonian. The eigenstate geometry involves the Berry curvature and the less known quantum metric. Most studies

Large Exotic Spin Torques in Antiferromagnetic Iron Rhodium

August 29, 2022
Author(s)
Jonathan Gibbons, Takaaki Dohi, Vivek Amin, Fei Xue, Haowen Ren, Hanu Arava, Hilal Saglam, Yuzi Liu, John Pearson, Nadya Mason, Amanda Petford-Long, Paul M. Haney, Soho Shim, Jun-wen Xu, Mark Stiles, Eric Fullerton, Andrew Kent, Shunsuke Fukami, Axel Hoffmann
Spin torque is a promising tool for driving magnetization dynamics for novel computing techniques. These torques can be easily produced by spin-orbit effects, but for most conventional spin source materials, a high degree of crystal symmetry limits the

Staggered spin Hall conductivity

November 25, 2020
Author(s)
Fei Xue, Paul M. Haney
The intrinsic spin Hall effect plays an important role in spintronics applications, such as spin-orbit torque-based memory. The bulk space group symmetry determines the form of the bulk spin current conductivity tensor. This paper considers materials for

Interfacial spin-orbit torques

October 21, 2020
Author(s)
Vivek P. Amin, Paul M. Haney, Mark D. Stiles
Spin-orbit torques offer a promising mechanism to electrically control magnetization dynamics in nanoscale heterostructures. While spin-orbit torques occur predominately at interfaces, the physical mechanisms underlying these torques can originate in both