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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/28469

Title: Dichroic optical and electrical properties of rhenium dichalcogenides layer compounds
Authors: C.H. Ho;M.H. Hsieh;C.C. Wu;Y.S. Huang;K.K. Tiong
Contributors: NTOU:Department of Electrical Engineering
Keywords: Transition-metal dichalcogenides;Electrical properties;Optical properties
Date: 2007-09-13
Issue Date: 2011-10-21T02:37:40Z
Publisher: Journal of Alloys and Compounds
Abstract: Abstract:Dichroic optical and electrical behaviors of layered ReX2 (X = S, Se) have been characterized using angular dependent polarized-absorption and resistivity measurements in the van der Waal plane. The polarized energy gaps of ReS2 and ReSe2 were analyzed from the polarized-absorption spectra with polarization angles from θ = 0° (E || b-axis) to θ = 90° (E ⊥ b-axis). The angular-dependent relationships of the polarized energy gaps of ReX2 were analyzed. Angular dependent resistivity measurements of ReX2 were carried out in the layer plane. The cutting edge of each sample was varied from θ = 0° (|| b) to θ = 120° with an increment of 10° with respect to the layer crystal's b-axis. The angular dependency of the resistivities in the layered plane was analyzed. The experimental evidences of angular dependent in-plane resistivities and polarized energy gaps of ReX2 (X = S, Se) show that for ReX2 not only an optical dichroism but also an electrical dichroism in the van der Waal plane occurs.
Relation: 442(1-2), pp.245-248
URI: http://ntour.ntou.edu.tw/handle/987654321/28469
Appears in Collections:[電機工程學系] 期刊論文

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