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A. Szczerbakow, J. Domagala, Z. Golacki, K. Swiatek
Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, PL-02-668 Warszawa, POLAND
Sphalerite-type Cd(Te, Se) crystallised by self-selecting vapour growth
Monocrystals of sphalerite-type CdTe1-xSex were grown by self-selecting vapour growth SSVG in the horizontal configuration. As measured on a series of points of a (110) split plane, the "rocking curve" half-width was below 30 arcsec, while the lattice parameter measurements demonstrated the molar fraction x varying within 0.0024 (0.24 %). The values of x obtained from photoluminescence spectra taken from samples of different quality were in the ranges of 0.0034 (0.34 %) and 0.0047 (0.47 %). On the basis of the photoluminescence measurements, the maximum difference in x within the crystallised material was estimated to be 0.01 (1 %).
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