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The Optoelectronic Properties of Sb Doped BBi Compounds

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Ustundag M., Yalcin B., Aslan M., Bagcı S.

Acta Physica Polonica A

2016

vol. 130

issue 1

98-100

We have determined structural, electronic and optical properties of BBi_{1-x}Sb_x alloy by using density functional theory based on the full potential linearized augmented plane wave method. For the exchange correlation potential, the generalized gradient approximation of Perdew, Burke, and Ernzerhof has been performed. The structural properties, including lattice constants and bulk modulus have been calculated by changing x concentration. We have investigated the effect of composition on lattice constant, bulk modulus and band gap. Properly, direct/indirect band character of BBi_{1-x}Sb_x has been investigated depending on the x concentration. Then we have determined some basic linear optical properties BBi_{1-x}Sb_x alloy in direct band gap region. The obtained results have been compared with available studies. All the calculations have been performed after geometry optimization. As far as we know, no experimental or theoretical data are presently available for the studied ternary alloy BBi_{1-x}Sb_x (0 < x < 1).

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1 Acta Physica Polonica A

1 2016

1 Aslan M.

1 Bagcı S.

1 Ustundag M.

1 Yalcin B.

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The Optoelectronic Properties of Sb Doped BBi Compounds