[1] Becker R A.A P I,1983;43:131-133
[2] Suhara T.Electron Lett,1989;25:1326-1328
[3] Yi-Yan A.A P l,1983;42:633-635
[4] Marta McWright Howerton.IEEE J Q E,1991;QE-27(3):593-600
[5] Candai C,Camera A,Della Mea G.J A P,1986;59(8):2643-2649
[6] 郑建和,李玉善,王书容.中国激光,1984;1(12):32
[7] Kazuhisa Y,Hiroaki Y.A P L,1991;58(2):1277-1299
[8] Rice C E.J Solid State Chem.1986:64:188-1995
[9] Yuhsra T,Toda K,Li Y Sh.J Appl Phys,1992;71(8):3966