Giant Peltier Effect in Self-Organized Quasi-One-Dimensional Nano-Structure in Cu--Ni Alloy

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概要

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• Based upon ab initio electronic structure calculations by the Korringa--Kohn--Rostoker coherent potential approximation and Monte Carlo simulation of the two-dimensional spinodal nano-decomposition, we simulate the formation of a self-organized quasi-one-dimensional nano-structure (Konbu-Phase) under a layer-by-layer crystal growth condition of Cu--Ni alloy. We propose a new mechanism of the giant Peltier coefficient dramatically enhanced by the one-dimensional singular density of states in the Konbu-Phase in addition to the conventional Peltier cooling and the spin-entropy expansion cooling.

• 2011-01-25

著者

• Sato Kazunori

  Graduate School Of Engineering Science Osaka University

• Vu Nguyen

  Graduate School of Engineering Science, Osaka University

• Vu Nguyen

  Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan

• Katayama-Yoshida Hiroshi

  Graduate School of Engineering Science, Osaka University

• Katayama-Yoshida Hiroshi

  Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan

• Sato Kazunori

  Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan

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