Effect of carrier doping on physical properties of A-site ordered perovskite CaCu3Ti4O12

被引：4

作者：

Ismayil, Abdusalam ^{[1
]}

Nakamura, Taichi ^{[1
]}

Kamiya, Ryosuke ^{[1
]}

Nakamura, Mitsuteru ^{[1
]}

Nakanishi, Yoshiki ^{[1
]}

Naito, Tomoyuki ^{[1
]}

Fujishiro, Hiroyuki ^{[1
]}

Watanabe, Takao ^{[2
]}

Sawada, Gaku ^{[2
]}

Toita, Masahiro ^{[2
]}

Takegahara, Katsuhiko ^{[2
]}

Yoshizawa, Masahito ^{[1
]}

机构：

[1] Iwate Univ, Grad Sch Engn, Morioka, Iwate 0208551, Japan

[2] Hirosaki Univ, Grad Sch Sci & Technol, Hirosaki, Aomori 0368561, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2011年 / 80卷

关键词：

A-site ordered perovskite; doping effect; magnetism; elastic constant; HIGH-DIELECTRIC-CONSTANT;

D O I：

10.1143/JPSJS.80SA.SA113

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Resistivity, Hall effect, Seebeck effect, magnetization and elastic constant of A-site ordered perovskite ACu(3)Ti(4)O(12) with A = Ca, Na, Y, Yb and their mixed compounds have been measured as a function of temperature. Hall effect and Seebeck effect show that the type of carrier for CaCu3Ti4O12, YCu3Ti4O12 and YbCu3Ti4O12 is electron, and NaCu3Ti4O12 is hole. Effect of doping on the magnetic state was investigated. Magnetization shows different behavior dependent on the doped element. Elastic constant shows an elastic anomaly associated with the antiferromagnetic transition at around T-N = 24 K.

引用

页数：3

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