The optical-phonon deformation potentials of C,Si,Ge and Sn are calculated by LMTO-ASA approach within the frosen-phonon approximation.The comparisons between our results and those of geveral present theoretical calcu...The optical-phonon deformation potentials of C,Si,Ge and Sn are calculated by LMTO-ASA approach within the frosen-phonon approximation.The comparisons between our results and those of geveral present theoretical calculations and experiments demonstrate that our calculation model is reasonable.展开更多
文摘The optical-phonon deformation potentials of C,Si,Ge and Sn are calculated by LMTO-ASA approach within the frosen-phonon approximation.The comparisons between our results and those of geveral present theoretical calculations and experiments demonstrate that our calculation model is reasonable.