Experimental study of the ternary system CdTeZn

Observations on Nanoscale Te Precipitates in CdZnTe Crystals Grown by the Traveling Heater Method Using High Resolution Transmission Electron Microscopy

“…Referring to the Cd-Te phase diagram and projections of Cd 0.9 Zn 0.1 Te solidus along the composition axis [11,12], THM growth in Te solution will decrease the growth temperature, which is favorable for lowering the solid solubility of Te atoms in as-grown CZT crystals and decreasing the possibility of Te precipitate formation.…”

p–T–x–y phase diagram of the Cd–Zn–Te system

“…The major problems associated with meeting these requirements in obtaining Cd 1−x Zn x Te (CZT) solid solution of the desired composition are the high volatility of the components (Cd, Zn, and Te) [1], the formation of metastable polymorphous CZT modifications [2], and the stratification of the solid solutions [3,4].…”

“…Few diagrams describe Cd-Zn-Te system equilibria [4,5] without vapour, but the consideration of the vapour pressure is necessary for describing the phase states in this system.…”

“…The phase diagram of the condensed states in the Cd-Zn-Te system [4,5] and p-T-x diagrams of boundary Cd-Zn [7,11], Cd-Te [6][7][8], and Zn-Te [6,7,9] binary systems made it possible to construct a model p-T-x-y phase diagram for the Cd-Zn-Te system. The ternary Cd-Zn-Te system has only one nonvariant peritectic state, VLS C S Z S CZT ; in the p-T projection it is represented by point P CZT .…”

“…2a) parallel to the base of the prism; its vertices slide over the planes V, L, and S and change its shape with changing pressure. It was shown [4,5] that the liquidus, solidus, and vapour surfaces (L, S CZT , and V) have stationary lines, for which the partial derivatives ∂T/∂x and ∂T/∂y are equal to zero [12] (for the p-x-y projection, ∂p/∂x and ∂p/∂y are equal to zero) and belong to one surface, T(x, y) or p(x, y). The polythermal sections of the T-x-y projection (Fig.…”