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Crystal data for AgGaxIn1-xSe2 and CuGaxIn1-xSe2

Series of chalcopyrire-type solid solutions AgGa_xIn_(1-x)Se_2 and CuGa_xIn_(1-x)Se_2, 0<x<1, have been prepared by direct synthesis from the melt. The space group is I-42d (No. 122), Z=4. The unit- cell parameters a and c and the ratio c/a change linearly with x. Powder data at 298 K are given for selected solid solutions.

AgGa_xIn_(1-x)Se_2 solid solutions ; CuGa_xIn_(1-x)Se_2 solid solutions ; crystal data ; X-rax diffraction

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