Evaluation of Correlation Between Orientation of Y3Fe5O12 (YIG) Thin Film and Spin Seebeck Effect

Evaluation of Correlation Between Orientation of Y3Fe5O12 (YIG) Thin Film and Spin Seebeck Effect

We found that the orientation of the magnetic material yttrium-iron-garnet (YIG) depends on the type of substrate. The orientation of YIG was evaluated using an orientation index. We obtained experimental results suggesting that the orientation of YIG is related to the saturation value of the genera...

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Veröffentlicht in:IEEE transactions on magnetics 2017-11, Vol.53 (11), p.1-4
Hauptverfasser: Yamamoto, Atsushi, Arai, Makoto, Takimoto, Tetsuya, Itoh, Masatoshi, Ando, Shizutoshi, Saito, Shigeru, Kawahara, Takayuki
Format: Artikel
Sprache:eng
Schlagworte:
Crystals
Diffusion effects
Diffusion length
Gadolinium–gallium–garnet (GGG)
Garnets
Glass
Indexes
Magnetic anisotropy
Magnetism
Orientation
sapphire
Seebeck effect
Spintronics
Substrates
Thermoelectricity
yttrium–iron–garnet (YIG)
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Zusammenfassung:We found that the orientation of the magnetic material yttrium-iron-garnet (YIG) depends on the type of substrate. The orientation of YIG was evaluated using an orientation index. We obtained experimental results suggesting that the orientation of YIG is related to the saturation value of the generated voltage by the spin Seebeck effect and the diffusion length of the spin current. The diffusion length of the spin current is proportional to the orientation index.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2017.2703164