首页> 外文期刊>Solid State Communications >Optical conductivity study on Gd1.4Ce0.6Sr2Ru1-xMnxCu2O10
【24h】

Optical conductivity study on Gd1.4Ce0.6Sr2Ru1-xMnxCu2O10

机译:Gd1.4Ce0.6Sr2Ru1-xMnxCu2O10的电导率研究

获取原文
获取原文并翻译 | 示例
           

摘要

IR conductivity measurements on Mn-doped Gd1.4Ce0.6Sr2RuCu2O10 have been carried out. As a result of Mn substitution at the Ru site, carried out for concentrations of 0.0, 0.01, 0.02, 0.05, 0.10 and 0.30, interesting non-monotonic behaviour is observed in the mode parameters as well as in the electronic background in the IR spectra. All these spectral parameters show an extremum for a manganese concentration of about 0.05. These changes can be qualitatively understood in terms of the interaction of phonons with the electronic background introduced by Mn doping. While up to a Mn content of 5% the system is driven towards a more resistive state, a noticeable increase in the electron-phonon interaction is observed for higher Mn concentrations. A variation in the carrier density due to substitution of Mn, as evidenced by the spectral weight changes in the mid IR band, also supports this picture. (c) 2006 Elsevier Ltd. All rights reserved.
机译:已对掺锰的Gd1.4Ce0.6Sr2RuCu2O10进行了红外电导率测量。由于在Ru位置进行了Mn取代(对0.0、0.01、0.02、0.05、0.10和0.30的浓度进行了测定),因此在模式参数以及电子背景的红外光谱中观察到了有趣的非单调行为。 。所有这些光谱参数都显示出锰浓度约为0.05的极值。这些变化可以从声子与Mn掺杂引入的电子本底的相互作用定性地理解。当锰含量达到5%时,系统趋向更高的电阻态,但对于较高的Mn浓度,电子-声子相互作用会明显增加。如中红外波段的光谱权重变化所证明的,由于Mn的取代而引起的载流子密度的变化也支持该图像。 (c)2006 Elsevier Ltd.保留所有权利。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号