논문 해외 국제전문학술지(SCI급) Thermoelectric properties of Bi2Te3 material doped with lanthanum by mechanical alloying
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2008-03
- 저자명 오민욱
- 학술지명 SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY
- 발행처명 Taylor and Francis
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 7
홈페이지논문 초록 (Abstract)
The Bi2Te3, (Bi1-xLax)(2)Te-3 (x = 0.002,0.003) and Bi-2(Te1-yLay)(3) (y = 0.0015, 0.002) alloys were fabricated by mechanical alloying and vacuum hot pressing, and their thermoelectric properties were characterized. The Seebeck coefficient of vacuum hot pressed specimens doped with lanthanum was higher than that of Bi2Te3. The electrical conductivity was improved at specimens doped with relatively small amount of lanthanum improved than that of Bi2Te3. The maximal dimensionless figure of merit in Bi-2(Te0.9985La0.0015)(3) doped with relatively small amount of lanthanum was 0.48 at 473 K.