Semiconductor Physics, Quantum Electronics & Optoelectronics. 2002. V. 5, N 1. P. 5-8.

PACS: 78.20.-e

Electronic band structure and magnetic susceptibility of Ge_1-xSi_x solid solutions
V.G. Deibuk¹⁾, S.I. Shakhovtsova²⁾, V.A. Shenderovski²⁾, V.M. Tsmots³⁾

1) Chernivtsi National University, 2 Kotsiubynskogo str., 58012 Chernivtsi, Ukraine
e-mail: vdei@chnu.cv.ua
2) Institute of Physics, NAS of Ukraine, 46 prospect Nauky, 03028 Kyiv, Ukraine
e-mail: schender@iop.kiev.ua
3) Drohobych State Pedagogical University, 3 Stryiska str., 82100 Drohobych, Ukraine

Abstract. The magnetic susceptibility (MS) of single crystal Ge_1-xSi_x (0 < x < 0.1) solid solutions was investigated. Considerable anomalous MS behavior was found. Theoretical estimations of paramagnetic and diamagnetic parts were made. Reconstruction of the band structure of these alloys results in peculiarities of MS as a function of the composition.

Keywords: band structure, magnetic susceptibility, Ge_1-xSi_x, alloy.
Paper received 26.11.01; revised manuscript received 01.03.02; accepted for publication 05.03.02.

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