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纳米硫化镉的原位高压阻抗谱研究
  • ISSN号：1000-5773
  • 期刊名称：《高压物理学报》
  • 时间：0
  • 分类：TB303[一般工业技术—材料科学与工程]
  • 作者机构：[1]吉林大学原子分子物理研究所,长春130012, [2]空军航空大学基础部,长春130022, [3]延边大学理学院物理系,吉林延吉133002
  • 相关基金：国家自然科学基金资助项目（50772041;50772043;10874053;11074094;50802033）
作者： 杨洁[1,2], 任万斌[1], 李岩[1], 吴宝嘉[1,3]
关键词： 高压, 阻抗谱, 纳米硫化镉, high pressure, impedance spectroscopy, CdS nanocrystals
中文摘要：

利用在金刚石对顶砧上集成微电路,在0～25 GPa内原位测量了平均尺寸为100 nm的硫化镉的阻抗谱.研究表明：阻抗谱在压力下的改变对应着纤锌矿到岩盐矿的相变;在高压力作用下,晶界的散射作用变弱并导致晶界电阻下降.

英文摘要：

In-situ high-pressure impedance spectroscopy of CdS nanocrystals was measured with diamond anvil cell（DAC） which equipped with microcircuit up to 25 GPa.The change in complex impedance related to the phase transition from wurtzite to rock salt was observed.The results show that the effective scattering section of the grain boundary to charge carriers can be weakened under compression,which leads to the decrease of grain boundary resistance.

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期刊信息
  • 《高压物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:四川省科学技术协会
  • 主办单位:中国物理学会 高压物理专业委员会 四川省物理学会
  • 主编：邹广田
  • 地址：四川省绵阳市919信箱110分箱
  • 邮编：621999
  • 邮箱：gaoya@caep.cn
  • 电话：0816-2490042
  • 国际标准刊号：ISSN：1000-5773
  • 国内统一刊号：ISSN：51-1147/O4
  • 邮发代号:62-132
  • 获奖情况:
  • 中国物理类核心期刊,EI、CI收录期刊,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,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:3617