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光学浮区法生长Bi2Sr（Ca）2Co2Oy晶体及电输运性质研究
  • ISSN号：1000-985X
  • 期刊名称：人工晶体学报
  • 时间：2013.10.10
  • 页码：1997-2001
  • 分类：TN3[电子电信—物理电子学]
  • 作者机构：[1]南京大学现代工程与应用科学学院材料科学与工程系,南京210093
  • 相关基金：国家自然科学基金青年基金（51002074,51032003）
  • 相关项目：层状钛酸锶和钴酸锶铋族热电晶体的生长、微结构与性质研究
作者： 孙宁|董松涛|姚淑华|
关键词： 光学浮区法Bi2Sr(Ca)2CO2Oy晶体, 电输运, optical floating zone , Bi2 Sr （Ca） 2 Co2Oy crystal , electric transport
中文摘要：

采用光学浮区法生长了层状过渡金属氧化物Bi2Sr2-xCaxCo2Oy（x=0，2）晶体。通过XRD，SEM和TEM结构表征，表明了生长的晶体为层状晶体，并确定了晶体生长的方向垂直与C轴。研究了晶体的热电性能，包括Bi2Ca2Co2Oy和Bi2Sr2Co2Oy晶体。6面的Seeback系数和电阻率，表明了Bi2Ca2Co2Oy具有较好的热电势和电导，并分析了电输运性能与晶体失配结构的关系。

英文摘要：

In this paper, the layered transition metal oxides Bi2Sr2 -x CaxCo2Oy （x = 0,2 ） crystals were grown by optical floating zone method. The structure were characterized by X-ray diffraction and electron microscopy. The results indicated that single crystals have layered crystal structure, as well as single crystals were grown perpendicular to the c-axis. The samples in thermoelectric properties, including electrical property, Seebeck effectwere investigated. The electrical transport property showed that the ab- plane resistivity of Bi2Ca2Co2Oy is lower than that of Bi2Sr2Co2Oy. With the experiment data, the relationship between electrical transport property and the structurecrystal were analyzed.

同期刊论文项目
层状钛酸锶和钴酸锶铋族热电晶体的生长、微结构与性质研究
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期刊信息
  • 《人工晶体学报》
  • 中国科技核心期刊
  • 主管单位:中国建材工业协会
  • 主办单位:中国硅酸盐学会 晶体生长与材料专业委员会 中材人工晶体研究院
  • 主编：余明清
  • 地址：北京市733信箱
  • 邮编：100018
  • 邮箱：
  • 电话：010-65492963 65492968 65493320
  • 国际标准刊号：ISSN：1000-985X
  • 国内统一刊号：ISSN：11-2637/O7
  • 邮发代号:
  • 获奖情况:
  • 1997年获国家科技优秀期刊,获部级优秀科技期刊奖,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:9943