Electron transport in TiO2 probed by THz time-domain spectroscopy -: art. no. 081101

被引：207

作者：

Hendry, E

Wang, F

Shan, J

Heinz, TF

Bonn, M

机构：

[1] Leiden Univ, Leiden Inst Chem, NL-2300 RA Leiden, Netherlands

[2] Columbia Univ, Dept Phys, New York, NY 10027 USA

[3] Columbia Univ, Dept Elect Engn, New York, NY 10027 USA

[4] FOM, Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands

来源：

PHYSICAL REVIEW B | 2004年 / 69卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.69.081101

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electron transport in crystalline TiO2 (rutile phase) is investigated by frequency-dependent conductivity measurements using THz time-domain spectroscopy. Transport is limited by electron-phonon coupling, resulting in a strongly temperature-dependent electron-optical phonon scattering rate, with significant anisotropy in the scattering process. The experimental findings can be described by Feynman polaron theory within the intermediate coupling regime and allow for a determination of electron mobility.

引用

页数：4

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