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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/2578

Title: Use of mirage effect for the detection of phase transitions in solids
Authors: Rajasree, K
Vidyalal, V
Radhakrishnan, P
Nampoori, V P N
Vallabhan, C P G
Keywords: mirage effect
phase transitions
Issue Date: 1993
Publisher: IOP
Abstract: The phenomenon of mirage effect suffered by a He-Ne laser beam has been utilized to detect phase transitions in solids. It has been observed that anomalous fluctuations of large amplitude occur in the signal level near the transition temperature. The mean square value of the fluctuation is found to exhibit a well-defined peak at this point. Results of measurements made in the case of crystals of TGS ((NH2CH2COOH)3.H2SO4) and a ceramic sample (BaTiO3) are given to illustrate this technique.
URI: http://dyuthi.cusat.ac.in/purl/2578
Appears in Collections:Dr. V P N Nampoori

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