Cation substituted (Ca2CoO3)xCoO2 films and their thermoelectric properties

被引：54

作者：

Matsubara, I

Funahashi, R

Shikano, M

Sasaki, K

Enomoto, H

机构：

[1] Natl Inst Adv Ind Sci & Technol, Osaka 5638577, Japan

[2] Osaka Electrocommun Univ, Osaka 5728530, Japan

来源：

APPLIED PHYSICS LETTERS | 2002年 / 80卷 / 25期

关键词：

D O I：

10.1063/1.1489706

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have controlled in-plane stress in the CoO2 sublattice of (Ca2CoO3)(x)CoO2 by cationic substitution of alkaline earth metals at the Ca site. The effects of the magnitude of the stress on thermoelectric properties have been investigated by using highly grain-oriented polycrystalline thin films. The in-plane compressive stress is released by the partial substitution of Sr for Ca. With increasing in-plane stress, the magnitude of thermoelectric power and resistivity increased. (C) 2002 American Institute of Physics.

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页码：4729 / 4731

页数：3

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