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Photoluminescence study of mixed doped Ge-Se-In-Bi glasses

Frumar, M and Nemec, P and Wagner, T and Frumarova, B and Cernoskova, E (2002) Photoluminescence study of mixed doped Ge-Se-In-Bi glasses. In: 13th International Symposium on Non-Oxide Glasses and New Optical Glasses, SEP 09-13, 2002.

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Photoluminescence studies, carried out using the Fourier Transform method rather than the conventional monochromator-dispersion method,are reported on glassy samples of indium-bismuth mixed doped Ge (10) Se(90-x-y) In (x) Bi (y) system (x,y = 5,10). The amorphous Bi2Se3 is found to be n-type like the crystalline counterpart. The possible contributions from microscopic cluster-level phase separation of Bi2Se3 and from the defects to the change in conductivity from p- to n- typein this system is discussed. The similar situation in related systems is also pointed out.

Item Type: Conference Paper
Publisher: Univ Pardubice
Additional Information: Copyright of this article belongs to Univ Pardubice.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 20 Mar 2012 10:45
Last Modified: 13 Apr 2012 09:13
URI: http://eprints.iisc.ac.in/id/eprint/44044

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