Correlation between compensation temperatures of magnetization and angular momentum in GdFeCo ferrimagnets

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Determining the angular momentum compensation temperature of ferrimagnets is an important step towards ferrimagnetic spintronics, but it is not generally easy to achieve it experimentally. We propose away to estimate the angular momentum compensation temperature of ferrimagnets without a dynamical characterization technique. We derive a simple equation that relates the magnetization compensation temperature, the Curie temperature, and the angular momentum compensation temperature based on the critical exponent approximation. We show that the derived equation can explain our experimental results and can be used to estimate the angular momentum compensation temperature from the temperature dependence of magnetization.
Publisher
AMER PHYSICAL SOC
Issue Date
2018-06
Language
English
Article Type
Article
Keywords

DOMAIN-WALL MOTION; GYROMAGNETIC RATIO; SPINTRONICS; FILMS

Citation

PHYSICAL REVIEW B, v.97, no.22, pp.220403

ISSN
2469-9950
DOI
10.1103/PhysRevB.97.220403
URI
http://hdl.handle.net/10203/244039
Appears in Collection
PH-Journal Papers(저널논문)
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