Total energy, equation of states and bulk modulus of Si and Ge

A model potential describing electron-ion interaction is presented for intrinsic semiconductors Si and Ge. The present model potential is single parametric, continuous in r-space and weaker within core and Coulombic outside the core. The parameter of the potential is determined using the equilibrium...

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Бібліографічні деталі
Дата:2002
Автори: Jivani, A.R., Gajjar, P.N., Jani, A.R.
Формат: Стаття
Мова:English
Опубліковано: Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України 2002
Назва видання:Semiconductor Physics Quantum Electronics & Optoelectronics
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/121240
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Total energy, equation of states and bulk modulus of Si and Ge / A.R. Jivani, P.N. Gajjar, A.R. Jani // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2002. — Т. 5, № 3. — С. 243-246. — Бібліогр.: 21 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Резюме:A model potential describing electron-ion interaction is presented for intrinsic semiconductors Si and Ge. The present model potential is single parametric, continuous in r-space and weaker within core and Coulombic outside the core. The parameter of the potential is determined using the equilibrium condition at zero pressure. The total energy, equation of states and bulk modulus of Si and Ge are calculated using higher order perturbation theory based on pseudopotential formalism which includes covalent correction term. Numerical results of total energy and bulk modulus obtained for the Si and Ge are in good agreements with experimental data and found superior than other such theoretical findings. The predicted equation of states of Si and Ge are also excellent.