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XRPD and Scanning Electron Microscopy of Alloys of the CuAlS2 – CuFeS2 System Prepared by Thermobaric Treatment

Published online by Cambridge University Press:  02 August 2018

Barys Korzun  and
Anatoly Pushkarev
Barys Korzun*
Affiliation:
The City University of New York,Borough of Manhattan Community College, 199 Chambers St., New York, NY 10007, U.S.A
Anatoly Pushkarev
Affiliation:
Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus, 19 P. Brovki, Minsk220072, Belarus
*
*(Email: [email protected])
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Abstract

Alloys of the CuAlS2 – CuFeS2 system were prepared by thermobaric treatment at high pressure of 5.5 GPa and temperatures ranging from 573 to 1573 K and phase formation in the system was investigated using X-ray powder diffraction, optical microscopy and scanning electron microscopy equipped with energy dispersive spectroscopy. The unit-cell parameters (the lattice constants and the unit-cell volume) were computed as a function of the composition. Absence of complete solubility in the (CuAlS2)1-x-(CuFeS2)x system was established. Formation of solid solutions with the tetragonal structure of chalcopyrite was detected for compositions with the molar part of CuFeS2 x not exceeding 0.10.

Keywords

alloyscanning electron microscopy (SEM)x-ray diffraction (XRD)
Type
Articles
Information
MRS Advances , Volume 3 , Issue 56: Energy Materials and Technologies , 2018 , pp. 3323 - 3328
Copyright
Copyright © Materials Research Society 2018 

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