Some physical properties of CuTlSe alloy

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J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (02): 229-232.

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Some physical properties of CuTlSe alloy

A.Abdel All, K.A.Sharaf, A.Elshafie

Physics Department, Faculty of Science, Helwan University, Cairo, Egypt...

Received:2000-04-03 Revised:2000-06-16 Online:2001-03-28 Published:2009-10-10
Contact: A.Abdel All

Abstract

Abstract: The structure and optical properties of Cu0.1Tl2Se3 alloy was studied. X-ray analysis showed that the polycrystalline powder consists of a mixture of two phases Cu3TlSe2 (monoclinic) and TlSe (tetragonal). Chalcopyrite phase CuTlSe2 can be obtained by annealing the powder at 250 ℃ for 1 h. Thin film with a monoclinic phase of Cu3TlSe2 was obtained for the thick film (0.7 mum). The optical parameters alpha, n, k, epsilon' and epsilon " and the energy gap were calculated. The thermoelectric power measurements showed that S has a positive polarity over the whole range of temperature.

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A.Abdel All, K.A.Sharaf, A.Elshafie. Some physical properties of CuTlSe alloy[J]. J Mater Sci Technol, 2001, 17(02): 229-232.

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Some physical properties of CuTlSe alloy

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