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题名: SrCoO3–δ陶瓷材料的导电机理和低温热敏特性
其他题名: Conductive Mechanism and Low Temperature Thermosensitive Characters of SrCoO3-δ Ceramic Materials
作者: 兰玉岐; 妥万禄; 常爱民; 孙俊菊
关键词: 电子技术 ; 钙钛矿 ; 热敏电阻器 ; 磁阻(MR) ; 非化学计量钴锶氧化物
刊名: 电子元件与材料
发表日期: 2006
卷: 25, 期:10, 页:44-46
摘要: 用固相反应法合成了可在液氦(4.2K)温度下使用的、非化学计量结构氧化物SrCoO3 δ热敏电阻材料,用XRD、SEM对其进行了表征,同时还测试了低温条件下的电阻值,分析了材料的导电机理和磁阻特性。测试结果表明:材料的B值为35K左右,与在液氢(20K)温度下使用的热敏电阻元件参数(B=300K)比较,SrCoO3 δ热敏材料可在液氦(4.2K)温度下使用。
英文摘要: Nonstoichiometric oxide SrCoO_(3-delta) thermistor materials that is applied in the liquid helium (4.2 K) were synthesized by solid state reaction method. Its physical properties were characterized by XRD and SEM, at the same time the resistance of low temperature was tested. Conductive mechanism and MR characters were analyzed. Testing results show that the material B is 35 K, and compared with B-value of component (B = 300) used in liquid hydrogen. It is concluded that nonstoichiometric SrCoO_(3-delta) as thermistor material is applied in liquid helium (4.2 K).
内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2256
Appears in Collections:材料物理与化学研究室_期刊论文

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作者单位: 北京航天试验技术研究所;中国科学院新疆理化技术研究所;中国科学院研究生院

Recommended Citation:
兰玉岐,妥万禄,常爱民,等. SrCoO3–δ陶瓷材料的导电机理和低温热敏特性[J]. 电子元件与材料,2006,25(10):44-46.
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文件名: SrCoO3–δ陶瓷材料的导电机理和低温热敏特性.pdf
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