Effect of the presence of a sufficiently high phosphorus concentration on the concentration distribution of gallium in silicon
Bakhadirkhanov M. K. 1, Zikrillaev N.F.1, Isamov S. B. 1, Turekeev X. S.1, Valiev S. A.1
1Tashkent State Technical University, Tashkent, Uzbekistan
Email: bahazeb@yandex.ru, zikrillaev@mail.ru, sobir-i@mail.ru, axmet-8686@mail.ru, siroj2@yandex.ru

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It was found that the silicon preliminarily doped with a high concentration of phosphorus during the diffusion of gallium, there is a significant increase in the solubility of the gallium. The results obtained are explained by the interaction of gallium and phosphorus atoms, as a result of which quasi-neutral molecules [P+Ga-] are formed. It is assumed that the formation of such quasineutral molecules [P+Ga-] stimulates the formation of Si2GaP binary unit cells in the silicon lattice. It is shown that a sufficiently high concentration of such unit cells can lead to a significant change in the electrophysical parameters of silicon, i.e. the possibility of obtaining a new material based on silicon. Keywords: silicon, gallium, phosphorus, binary cell, diffusion.
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