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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/11032

Title: 過渡性金屬硫屬化合物之非等向性光學特性研究(I)
Anisotropic Optical Properties of Transition Metal Dichalcogenides(I)
Authors: 程光蛟;何清華
Contributors: NTOU:Department of Electrical Engineering
Keywords: 過渡金屬;硫屬化合物;光學特性
Transition metal;Dichalcogenide;Optical property
Date: 2000
Issue Date: 2011-06-28T08:08:13Z
Publisher: 行政院國家科學委員會
Abstract: Polarization-dependent electrolyte electroreflectance (EER) measurements of ReS2 and ReSe2 layered crystals have been carried out in the energy range of 1.3 to 5.0 eV. The EER spectra of E || b polarization exhibit distinct band-edge excitonic and interband transition features from those of E ^ b polarization. Analyzing the polarization dependent EER spectra, the structures of the excitonic and interband transitions of ReS2 and ReSe2 with optical polarizations along b-axis and perpendicular to b-axis are examined clearly and the energy positions are determined accurately. The mechanism of field lattice interaction is being proposed to account for the in-plane anisotropy of the crystals. Based on the experimental results, a probable band structure scheme of ReX2 (X=S, Se) is constructed
Relation: NSC89-2112-M019-006
URI: http://ntour.ntou.edu.tw/ir/handle/987654321/11032
Appears in Collections:[電機工程學系] 研究計畫

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