Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kuo, C. N. | en_US |
dc.contributor.author | Shen, D. | en_US |
dc.contributor.author | Li, B. S. | en_US |
dc.contributor.author | Nguyen Nhat Quyen | en_US |
dc.contributor.author | Tzeng, W. Y. | en_US |
dc.contributor.author | Luo, C. W. | en_US |
dc.contributor.author | Wang, L. M. | en_US |
dc.contributor.author | Kuo, Y. K. | en_US |
dc.contributor.author | Lue, C. S. | en_US |
dc.date.accessioned | 2019-08-02T02:18:27Z | - |
dc.date.available | 2019-08-02T02:18:27Z | - |
dc.date.issued | 2019-06-10 | en_US |
dc.identifier.issn | 2469-9950 | en_US |
dc.identifier.uri | http://dx.doi.org/10.1103/PhysRevB.99.235121 | en_US |
dc.identifier.uri | http://hdl.handle.net/11536/152285 | - |
dc.description.abstract | In order to elucidate the charge density wave (CDW) nature in LaAuSb2, we have carried out the electrical resistivity, Hall coefficient, Seebeck coefficient, thermal conductivity, as well as ultrafast pump-probe spectroscopy measurements on single crystalline LaAuSb2. The CDW phase transition has been characterized by marked features near T-C similar or equal to 88 K. In particular, the obtained Hall carrier concentration and electronic thermal conductivity exhibit significant reduction as T-C drops, providing strong evidence for partial gapping of the Fermi surfaces during the CDW phase transition. Furthermore, the ultrafast pump-probe spectroscopy reveals pronounced oscillatory features in the photoinduced transient reflectivity in the CDW ordered state. A characteristic oscillation mode with frequency of about 0.32 THz was extracted. The comparison of the obtained oscillation frequency with the frequencies of the amplitude mode in the well-studied CDW analogue LaAgSb2 allows us to ascribe the observation to the amplitude mode of CDW collective excitations in LaAuSb2. | en_US |
dc.language.iso | en_US | en_US |
dc.title | Characterization of the charge density wave transition and observation of the amplitude mode in LaAuSb2 | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1103/PhysRevB.99.235121 | en_US |
dc.identifier.journal | PHYSICAL REVIEW B | en_US |
dc.citation.volume | 99 | en_US |
dc.citation.issue | 23 | en_US |
dc.citation.spage | 0 | en_US |
dc.citation.epage | 0 | en_US |
dc.contributor.department | 交大名義發表 | zh_TW |
dc.contributor.department | 電子物理學系 | zh_TW |
dc.contributor.department | National Chiao Tung University | en_US |
dc.contributor.department | Department of Electrophysics | en_US |
dc.identifier.wosnumber | WOS:000470837000005 | en_US |
dc.citation.woscount | 0 | en_US |
Appears in Collections: | Articles |