Ultrafast quasiparticle dynamics in heavy Ca-doped YBCO thin films

doi:10.1016/j.physc.2010.07.011

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DC Field	Value	Language
dc.contributor.author	Luo, C. W.	en_US
dc.date.accessioned	2014-12-08T15:47:45Z	-
dc.date.available	2014-12-08T15:47:45Z	-
dc.date.issued	2010-11-15	en_US
dc.identifier.issn	0921-4534	en_US
dc.identifier.uri	http://dx.doi.org/10.1016/j.physc.2010.07.011	en_US
dc.identifier.uri	http://hdl.handle.net/11536/31934	-
dc.description.abstract	The dynamics of photoinduced quasiparticle in the Y(1-x)Ca(x)Ba(2)Cu(3)O(7-delta) thin films is revealed by using the femtosecond reflection spectroscopy. For the case of x = 0.3, two distinct components have been clearly observed in the transient reflectivity change (Delta R/R). The positive component of Delta R/R appears well below T(c). Moreover, the divergent peak of temperature-dependent relaxation time (tau), which is believed to intimately relate to the opening of superconducting gap, shifts to lower temperature as increasing the Ca-doping in YBa(2)Cu(3)O(7-delta). (C) 2010 Elsevier B.V. All rights reserved.	en_US
dc.language.iso	en_US	en_US
dc.subject	Ultrafast dynamics	en_US
dc.subject	Ca-doped YBCO	en_US
dc.subject	Femtosecond spectroscopy	en_US
dc.subject	High-T(c) superconductivity	en_US
dc.title	Ultrafast quasiparticle dynamics in heavy Ca-doped YBCO thin films	en_US
dc.type	Article	en_US
dc.identifier.doi	10.1016/j.physc.2010.07.011	en_US
dc.identifier.journal	PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS	en_US
dc.citation.volume	470	en_US
dc.citation.issue	21	en_US
dc.citation.spage	1943	en_US
dc.citation.epage	1945	en_US
dc.contributor.department	電子物理學系	zh_TW
dc.contributor.department	Department of Electrophysics	en_US
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