Crystal Research and Technology
Cryst. Res. Technol. 35 (2000) 229 - Abstract -

Ts. Z. Vitkina, L. K. Orlik, N. S. Orlova, O. E. Andreeva

Institute of Physics of Solids and Semiconductors, Belorussian National Academy of Sciences Minsk, Belarus

Magnetic Susceptibility and Peculiarities of Chemical Bond in the AgGa(S1-xSex)2 Solid Solutions

The measurements of magnetic susceptibility of the AgGa(S1-xSex)2solid solutions with the chalcopyrite structure have been performed and the lattice susceptibility separated into the Langevin diamagnetic and the Van Vleck paramagnetic terms. The obtained data were used to evaluate the character of chemical bond in these alloys. The correlations between the parameters of chemical bond and other physical properties are discussed. It is shown that the investigated solid solutions have preferably ionic character of chemical bond. The Ga-S(Se) (B-C) bonds are found to be stronger than the Ag-S(Se) (A-C) bonds.

Keywords: susceptibility, diamagnetic, chemical bond, chalcopyrite, solid solution


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