Investigation of Electronic Structure of Zn1-xMgxSe Mixed Crystals by Compton Spectroscopy Method
H. Reniewicz, A. Andrejczuk, L. Dobrzyński, K. Rećko, J. Waliszewski, E. Żukowski
Institute of Physics, Warsaw University Branch, Lipowa 41,15-424 Bialystok, Poland

F. Firszt, S. Łęgowski, H. Meczyńska and J. Szatkowski
Institute of Physics, N. Copernicus University, Grudziądzka 5/7, 87-100 Toruń, Poland
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The first experimental study of the Compton profiles of Zn1-xMgxSe for x=0.25, 0.47, 0.56 mixed crystals is presented. The Compton profiles were measured with the use of the 241Am radioactive source with a resolution of 0.57 a.u. The experimentally obtained Compton profiles were compared with the theoretical ones based on the free-atom model. The results are interpreted in terms of outermost electrons of Zn and Mg being promoted to the higher momentum states, and 4p-electrons of Se becoming more delocalised in a solid, being thus promoted to the lower momentum states.
DOI: 10.12693/APhysPolA.90.907
PACS numbers: 71.20.-b, 71.45.-d, 61.80.Ed, 71.55.Gs