Effect of temperature on the ML of Au doped (Zn,Cd)S mixed phosphors

In this paper the effect of temperature on the mechanoluminescence of Au doped phosphors of (Zn,Cd)S is described. It is found that the ML disappears beyond a particular temperature. The temperature dependence of ML intensity follows the relation I = I T 0(1 − T/ T C ) n , where I T 0 is a constant,...

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Bibliographic Details
Published in:Chinese chemical letters 2011-06, Vol.22 (6), p.709-712
Main Authors: Kaur, Jagjeet, Suryanarayana, N.S., Dubey, Vikas
Format: Article
Language:English
Subjects:
Mechanoluminescence
Temperature dependence in II–VI semiconductors
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Summary:In this paper the effect of temperature on the mechanoluminescence of Au doped phosphors of (Zn,Cd)S is described. It is found that the ML disappears beyond a particular temperature. The temperature dependence of ML intensity follows the relation I = I T 0(1 − T/ T C ) n , where I T 0 is a constant, n is the slop of log I T versus log (1 − T/ T C ) plot which lies between 0.9 and 1.10, T C is the temperature at which ML disappear. It is found that the ML intensity in (Zn,Cd)S:Au disappear at 600 K.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2010.12.006