Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.97.184410
Title: Theoretical proposal for determining angular momentum compensation in ferrimagnets
Authors: Zhu, Zhifeng 
Fong, Xuanyao 
Liang, Gengchiau 
Keywords: Science & Technology
Technology
Physical Sciences
Materials Science, Multidisciplinary
Physics, Applied
Physics, Condensed Matter
Materials Science
Physics
Issue Date: 7-May-2018
Publisher: AMER PHYSICAL SOC
Citation: Zhu, Zhifeng, Fong, Xuanyao, Liang, Gengchiau (2018-05-07). Theoretical proposal for determining angular momentum compensation in ferrimagnets. PHYSICAL REVIEW B 97 (18). ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.97.184410
Abstract: © 2018 American Physical Society. This work demonstrates that the magnetization and angular momentum compensation temperatures (TMC and TAMC) in ferrimagnets can be unambiguously determined by performing two sets of temperature-dependent current switching, with the symmetry reversals at TMC and TAMC, respectively. A theoretical model based on the modified Landau-Lifshitz-Bloch equation is developed to systematically study the spin torque effect under different temperatures, and numerical simulations are performed to corroborate our proposal. Furthermore, we demonstrate that the recently reported linear relation between TAMC and TMC can be explained using the Curie-Weiss theory.
Source Title: PHYSICAL REVIEW B
URI: https://scholarbank.nus.edu.sg/handle/10635/156194
ISSN: 2469-9950
2469-9969
DOI: 10.1103/PhysRevB.97.184410
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