Influence of pulse laser energy on laser-induced voltage in La2/3Ca1/3MnO3:Ag0.04 films

被引：7
|
作者：
Liu, Xiang [1 ]
Guo, Zhi-ping [1 ]
Chen, Qing-ming [1 ]
Cao, Ming-gang [1 ]
Duan, Yun-biao [1 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 116卷 / 02期
关键词：
THIN-FILMS; THERMOELECTRIC VOLTAGE; ANISOTROPY; AG; ENHANCEMENT; MANGANITES; DEPENDENCE; TRANSPORT; DEVICES; PHYSICS;
D O I：
10.1007/s00339-014-8551-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
With various pulse laser energy (E (pulse)), La2/3Ca1/3MnO3:Ag (x) [La1-x Ca (x) MnO3 (LCMO):Ag (x) , x = 0.04, wt%] films were prepared on vicinal cut LaAlO3 substrates by the pulsed laser deposition technique. It is found that laser-induced voltage (LIV) of LCMO:Ag-0.04 films was improved and enhanced by E (pulse). With E (pulse) increasing, figure of merit (F (m)) and anisotropic Seebeck coefficient (Delta S) of LCMO:Ag-0.04 films reached the maximum value of 109.8 mV/ns and 0.29 mu V/K for E (pulse) = 300 mJ. The results suggested that the LIV enhancement of LCMO:Ag-0.04 films was due to Seebeck tensor improvement, the high crystallization and oxygen balance in LCMO:Ag-0.04 films.
引用
收藏
页码：561 / 565
页数：5
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