Thermal rectification in the vicinity of a structural phase transition

Wataru Kobayashi*, Daisuke Sawaki, Tsubasa Omura, Takuro Katsufuji, Yutaka Moritomo, Ichiro Terasaki

*この研究の対応する著者

研究成果: Article査読

44 被引用数 (Scopus)

抄録

We have fabricated an oxide thermal rectifier made of La 1:98Nd 0:02CuO 4 and MnV 2O 4. By utilizing a jump of a thermal conductivity originated in the structural phase transition accompanied by the orbital ordering in MnV 2O 4, a rectifying coefficient of 1.14 has been achieved in the presence of a small temperature difference of 2 K. A thermal rectifier operating under a small temperature difference will play an important role for realizing heatcurrent control in electronic devices.

本文言語English
論文番号027302
ジャーナルApplied Physics Express
5
2
DOI
出版ステータスPublished - 2012 2

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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