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Title: Mössbauer and infrared studies of some glasses and glass-ceramics from the <i>X</i>MnO(40-<i>X</i>)<i>Y</i>Fe<sub>2</sub>O<sub>3</sub>.10Al<sub>2</sub>O<sub>3</sub>.50B<sub>2</sub>O<sub>3</sub> system
Authors: Lal, Roshan
Sharma, N D
Chandra, Kailash
Keywords: <sup>57</sup>Fe Mössbauer technique
Infrared absorption
X-ray diffraction
Issue Date: Jul-2004
Publisher: CSIR
Series/Report no.: G 01 J 3/00
Abstract: The<sup> 57</sup>Fe Mössbauer technique has been used to investigate the behaviour of glasses and their corresponding glass ceramic derivatives obtained from the system <i style="">X</i>MnO(40-<i style="">X</i>)<i style="">Y</i>Fe<sub>2</sub>O<sub>3</sub>.10Al<sub>2</sub>O<sub>3</sub>.50B<sub>2</sub>O<sub>3,</sub>  along with the effect of Al and Mn doping at the Fe-site for all the samples. MnO was introduced gradually to replace Fe<sub>2</sub>O<sub>3</sub> in the series such that <i style="">X</i>=0,5,10,15,20 and 25 mol% of MnO containing 50% B<sub>2</sub>O<sub>3</sub>. The structural changes observed are consistent with Mn<sub>2</sub>O<sub>3</sub> formulation and inferred by monitoring the infrared absorption spectra in the range 500-4000cm<sup>–1</sup> by KBr technique. The Mössbauer technique is used for identification of crystalline material and the results are compared with that obtained from X-ray diffraction.
Description: 498-505
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.42(07) [July 2004]

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