Ngày tải lên :
28/10/2013, 22:15
... energy-momentum relation in the conduction band is h2k2 E = E, + E,, + Eq2 + 2m, ’ (15.1 -29 ) where = E ql E ~2( w/dl )2 2m, ) _ q2 - fi2(42vd2 )2 2m, ’ q1,q2 = 1 ,2, (15.1-30) and k is the wavevector component ... is therefore quantized to E= + Eql + Eq2 + Eq3’ where E ql ~2b71~/4 )2 = 2m, ’ E = q2 E fi2(92wd2 )2 2m, ’ ql,q2,q3 = q3 fi2(4303 12 2m, = 1 ,2, ) (15.1- 32) The allowed energy levels are discrete ... q1 = 1 ,2, The E-k relation for bulk semiconductor is indicated by the dashed curves energy-momentum relation is A2k2 E=E,+>+L+L, 2m, h2k2 A2k2 2m, 2m, where k, = qlr/di, k, = q2r/d2, k, =...