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Optical and photoelectrical properties of TlInSSe layered single crystals

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dc.contributor.author Güler, İpek
dc.contributor.author Gasanly, N.
dc.date.accessioned 2018-10-04T11:12:09Z
dc.date.available 2018-10-04T11:12:09Z
dc.date.issued 2018
dc.identifier.citation Güler, İ., Gasanly, N. (2018). Optical and photoelectrical properties of TlInSSe layered single crystals. Optik, 157, 895-899. http://dx.doi.org/ 10.1016/j.ijleo.2017.11.120 tr_TR
dc.identifier.issn 0030-4026
dc.identifier.uri http://hdl.handle.net/20.500.12416/1825
dc.description.abstract Optical and electrical properties of TlInSSe layered single crystals have been studied by means of transmission, reflection and photoconductivity measurements. Transmission and reflection experiments have been carried out from 540 to 1000 nm at room temperature. Derivative analysis was applied to both transmission and reflection spectra and indirect band gap energy was found as 2.06 eV. Photoconductivity measurements have been performed in the temperature range from 245 to 300 K and in the voltage range from 10 to 80 V. From the temperature-dependent photoconductivity measurements, the observed single peak shifted to higher wavelengths with increase of temperature. The increase of photoconductivity with temperature is due to the increase in the mobility of photocarriers that can be explained by Bube model. From X112 method, room temperature indirect band gap of the crystal was also found as 2.06 eV. From voltage-dependent photoconductivity measurements, the peak maximum increased linearly with increase of voltage because of increase of the mobility of charge carriers. Dark current-voltage characteristic of TlInSSe crystal showed the ohmic behavior that means space charge limited current did not exist in the crystal. From the photocurrent with different illumination intensity analysis, the supralinear photoconductivity associated with the two center model was found. tr_TR
dc.language.iso eng tr_TR
dc.publisher Elsevier GMBH tr_TR
dc.relation.isversionof 10.1016/j.ijleo.2017.11.120 tr_TR
dc.rights info:eu-repo/semantics/closedAccess tr_TR
dc.subject Photoresponce tr_TR
dc.subject Optical Properties tr_TR
dc.subject Layered Single Crystals tr_TR
dc.title Optical and photoelectrical properties of TlInSSe layered single crystals tr_TR
dc.type article tr_TR
dc.relation.journal Optik tr_TR
dc.contributor.authorID 101531 tr_TR
dc.identifier.volume 157 tr_TR
dc.identifier.startpage 895 tr_TR
dc.identifier.endpage 899 tr_TR
dc.contributor.department Çankaya Üniversitesi, Ortak Dersler Bölümü, Temel Mühendislik ABD Fizik Bilim Dalı tr_TR


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