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dc.contributor.authorYeh, Tien-Tienen_US
dc.contributor.authorLin, Wen Haoen_US
dc.contributor.authorTzeng, Wen-Yenen_US
dc.contributor.authorLe, Phuoc Huuen_US
dc.contributor.authorLuo, Chih-Weien_US
dc.contributor.authorMilenov, Teodor I.en_US
dc.date.accessioned2018-08-21T05:52:42Z-
dc.date.available2018-08-21T05:52:42Z-
dc.date.issued2017-11-25en_US
dc.identifier.issn0925-8388en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.jallcom.2017.07.153en_US
dc.identifier.urihttp://hdl.handle.net/11536/143882-
dc.description.abstractThe optical properties of monoclinic Ag2Te crystals are studied in a wide range (3.7 meV-6.2 eV) of photon energies. The measured reflectivity spectra from THz to UV allow unambiguous a photon energy-dependent complex dielectric function, complex refractive index and absorption coefficient to be obtained. The spectral structure in these optical parameters further indicates the coexistence of an indirect transition with a bandgap energy of about 10 meV and a direct transition with a bandgap energy of about 1.84 eV. (C) 2017 Elsevier B. V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectOptical propertiesen_US
dc.subjectAg2Teen_US
dc.subjectSpectroscopyen_US
dc.subjectSemiconductorsen_US
dc.titleThe optical properties of Ag2Te crystals from THz to UVen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.jallcom.2017.07.153en_US
dc.identifier.journalJOURNAL OF ALLOYS AND COMPOUNDSen_US
dc.citation.volume725en_US
dc.citation.spage433en_US
dc.citation.epage440en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.identifier.wosnumberWOS:000412332900051en_US
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