Ons ois eoauired to move an atom from the orystall's interior to the surface, then what f vacancies present in the crystal at 1000 "k and at 300 k?7 rev energy

ons OIS eOauired to move an atom from the orystall's interior to the surface, then what f vacancies present in the crystal at 1000 "K and at 300 K?7 reV energy is reai of e proportion he number of vacancies N N e 12T n = Ne ExT E =1 eV = 1.6 x10-19 C and at 1000 °K For 7.6x10-1 138 10 1000 =ee =e-11.6 =10-5 A temperature 300 1.6x10-19 0°K -=ee38-10 23 N -e38.55 = 1.66 x 10-17