Thermoelectric power and carrier concentration of La2-xSrxCuO4(0.03<x<0.17) single crystals

被引：2
|
作者：
Zhao, YL [1 ]
Xu, Z [1 ]
Zhang, XJ [1 ]
Jiao, ZK [1 ]
机构：
[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2002年 / 47卷 / 07期
基金：
中国国家自然科学基金;
关键词：
La2-xSrxCuO4 single crystals(LSCO); thermoelectric power; hole concentration;
D O I：
10.1360/02tb9122
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Thermoelectric power (S) measurements have been systematically investigated in high-quality La2-x-Sr-x-CuO4 single crystals with different Sr concentrations (x 0.03, 0.05, 0.07, 0.1, 0.12). In this doping range studied, remains positive, and with the increase of Sr concentration, room-temperature thermoelectric power S (290 K) decreases. An empirical formula which presents a relationship between hole concentration P and room-temperature thermoelectric power S (290 K) is reported in this note. Based on the theory of metallic diffusion model, the experimental results are discussed.
引用
收藏
页码：531 / 533
页数：3
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