The phase diagram for the binary system
normalCdTe‐In2Te3
has been obtained by correlating information from differential thermal analysis measurements, microscopic studies, and x‐ray powder patterns. In establishing the terminal points for this diagram, the melting point for
In2Te3
was found to be 667° ±1°C. For
normalCdTe
, a melting point of 1092° ± 2°C was indicated. In going across the diagram, four peritectic transformations are apparent. The first
false(β,CdIn2Te4false)
is at 785°C and 50%
In2Te3
in
normalCdTe
; the second
false(γ,CdIn8Te13false)
is at about 702°C and 80%
In2Te3
in
normalCdTe
; the third
false(δ,CdIn30Te46false)
is at 695°C and about 94%
In2Te3
in
normalCdTe
; and the fourth
false(ε,In2Te3false)
occurs at 678°C and about 98%
In2Te3
in
normalCdTe
. There is a large retrograde solubility of
CdIn2Te4
in
normalCdTe
. The ε‐phase transforms to an ε′‐phase at 550 °C in an apparent order‐disorder transition. Electrical measurements on some peritectic compositions from this diagram are reported elsewhere.
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