Phase analysis in Zn1−xCrxO through charge density

Autor:	R. Saravanan, L. J. Berchmans, S. Francis
Rok vydání:	2013
Předmět:	Diffraction Materials science Doping Spinel Analytical chemistry chemistry.chemical_element Charge density Electron Zinc engineering.material chemistry X-ray crystallography engineering General Materials Science Instrumentation Wurtzite crystal structure
Zdroj:	Phase Transitions. 86:620-632
ISSN:	1029-0338 0141-1594
DOI:	10.1080/01411594.2012.713485
Popis:	Cr-doped zinc oxide Zn1− x Cr x O powder samples are synthesized by a standard high-temperature solid-state reaction technique with x = 0.00, 0.04, and 0.08. The powders are analyzed for the electron densities using X-ray diffraction. The electron densities of observed wurtzite phase ZnO as well as the spinel phase ZnCr2O4 are mapped and analyzed for Cr doping concentration. The charge density study reveals that the Cr atom is added in the lattice as Cr3+ rather than Cr2+.
Databáze:	OpenAIRE
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