Direct measurement of spatial distortions of charge density waves in K0.3MoO3

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Title:	Direct measurement of spatial distortions of charge density waves in K0.3MoO3
Authors:	Du, Chao-hung;Lee, Yen-ru;Lo, Chung-yu;Lin, Hsiu-hau;Chang, Shih-lin;Tang, Mau-tsu;Stetsko, Yuri P.;Lee, Jey-jau
Contributors:	淡江大學物理學系
Date:	2006-06-14
Issue Date:	2009-12-31 10:34:17 (UTC+8)
Publisher:	American Institute of Physics (AIP)
Abstract:	Using X-ray scattering and the technique of multiple diffreactions, we revisit the dynamical transition of charge density waves (CDWs) in K0.3MoO3 under applied voltages. In addition to the usual transport and half width (of Bragg peaks) measurements, we also measure the triplet phase by three-wave diffraction, which provides, for the first time, the {\em direct} evidence for the spatial distortions of CDWs. This novel and sensitive technique developed here can be applied to general periodic media, including stripes in high temperature superconductors, and provide a new perspective into interesting phenomena in these materials.
Relation:	Applied Physics Letters 88(24), pp.241916(3pages)
DOI:	10.1063/1.2213198
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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