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Symmetry-dependent carrier relaxation dynamics and charge-density-wave transition in DyTe3 probed by polarized femtosecond spectroscopy

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Title: Symmetry-dependent carrier relaxation dynamics and charge-density-wave transition in DyTe3 probed by polarized femtosecond spectroscopy
Authors: Tsuchiya, S. Browse this author
Sugawara, Y. Browse this author
Tanda, S. Browse this author
Toda, Y. Browse this author →KAKEN DB
Keywords: time resolved reflection spectroscopy
charge-density-wave systems
optical properties
Issue Date: Aug-2015
Publisher: IOP Publishing
Journal Title: Journal of optics
Volume: 17
Issue: 8
Start Page: 85501
Publisher DOI: 10.1088/2040-8978/17/8/085501
Abstract: Photo-induced quasi-particle (QP) relaxation dynamics with different symmetries have been investigated for the multiple charge-density-wave (CDW) compound DyTe3 by using ultrafast polarized pump-probe spectroscopy. By performing symmetry analysis, the QP dynamics with isotropic A(1g) and anisotropic B-2g symmetry were found to show unique anomalies at the first and second CDW transitions. Both the temperature dependence and pump fluence dependence indicate that the B-2g response is very sensitive to the underlying lattice deformation, which provides critical insight into the multiple CDW formations.
Rights: http://creativecommons.org/licenses/by/3.0/
Type: article
URI: http://hdl.handle.net/2115/60220
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 土屋 聡

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