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Incommensurate phase properties of TlGaSe 2 layered crystals

2005; Wiley; Volume: 40; Issue: 3 Linguagem: Inglês

10.1002/crat.200410333

1521-4079

E. Şentürk, Levent Tümbek, F. Salehli, F.A. Mikailov,

Optical and Acousto-Optic Technologies

Crystal Research and TechnologyVolume 40, Issue 3 p. 248-252 Original Paper Incommensurate phase properties of TlGaSe2 layered crystals E. Şentürk, E. Şentürk [email protected] Department of Physics, Sakarya University, 54100, Sakarya, TurkeySearch for more papers by this authorL. Tümbek, L. Tümbek Department of Physics, Gebze Institute of Technology, Gebze, 41400, Kocaeli, TurkeySearch for more papers by this authorF. Salehli, F. Salehli Department of Physics, Istanbul Technical University, 80626 Maslak, Istanbul, TurkeySearch for more papers by this authorF. A. Mikailov, F. A. Mikailov Department of Physics, Gebze Institute of Technology, Gebze, 41400, Kocaeli, Turkey Institute of Physics, Azerbaijan Academy of Sciences, 370143, Baku, AzerbaijanSearch for more papers by this author E. Şentürk, E. Şentürk [email protected] Department of Physics, Sakarya University, 54100, Sakarya, TurkeySearch for more papers by this authorL. Tümbek, L. Tümbek Department of Physics, Gebze Institute of Technology, Gebze, 41400, Kocaeli, TurkeySearch for more papers by this authorF. Salehli, F. Salehli Department of Physics, Istanbul Technical University, 80626 Maslak, Istanbul, TurkeySearch for more papers by this authorF. A. Mikailov, F. A. Mikailov Department of Physics, Gebze Institute of Technology, Gebze, 41400, Kocaeli, Turkey Institute of Physics, Azerbaijan Academy of Sciences, 370143, Baku, AzerbaijanSearch for more papers by this author First published: 27 January 2005 https://doi.org/10.1002/crat.200410333Citations: 8AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract The frequency and time dependence of the ac conductivity were measured within incommensurate phase in the frequency range 101-107 Hz and analyzed. The electrical conductivity decreases with decreasing temperature, then saturates in mentioned temperature interval. The ac conductivity is proportional to ws. The value f s decreases with increasing temperature which suggests hopping conduction mechanism. The time dependence of the conductivity exhibited exponential decay. It shows two conductivity relaxations in mentioned temperature interval. Moreover, the characteristic relaxation times decrease with decreasing annealing temperature. The two different relaxation times refer to two different incommensurate ordering in mentioned temperature interval. (© 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) References [1] Bekir Gürbulak, Physica B 293, 289–296 (2001). 10.1016/S0921-4526(00)00521-4 CASWeb of Science®Google Scholar [2] G. B. Abdullaev, K. R. Allakhverdiev, R. K. Nani, E. Y. Salaev and R. M. Sardarly, Phys. Stat. Sol. (a) 34, K115 (1976). 10.1002/pssa.2210340250 CASWeb of Science®Google Scholar [3] V. A. Aliev, E. F. 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