Controlled synthesis and structural characterization of polycrystalline GaSe.

Authors :: Abdullah, M. M.
Bhagavannarayana, G.
Wahab, M. A.
Source :: Journal of Materials Science. Aug2010, Vol. 45 Issue 15, p4088-4092. 5p. 1 Color Photograph, 1 Black and White Photograph, 1 Chart, 2 Graphs.
Publication Year :: 2010
Abstract: A comprehensive study on the synthesis and characterization of gallium selenide (GaSe) has been reported in this paper. Synthesis of gallium selenide (GaSe) from component elements has been carried out in a specially designed and fabricated quartz ampoule, with the help of a rocking furnace. X-ray diffractometry study revealed crystalline GaSe samples belonging to hexagonal system. Raman spectral study emphasized three sharp lines at 208.89, 253.95, and 306.52 cm−1, in good agreement with X-ray diffraction results. Scanning electron microscopy revealed particles of rock like structure, sized in the range 0.4–6 μm. [ABSTRACT FROM AUTHOR]