【正文】
Semi infinite system. ? ?? ?? ? )(e r f0.)](e r f1[g i ve nis.)(e r f20.10000102???CCCCCCCCBCCCCCCASS?????????? Ⅲ. Thin film. Given: a r e a/m a ss??)4e x p(20f or0f or00at2DtxDtCxCxCt???????????x0C1 32 545? 3?4? 1?2?16/14/1? Ⅳ. Finite system 2222222ddd)(dd)()()(),(l e t??????????????xZZdtDTTxZtTxCtTxZtCxZtTtxC0 l0 l0C1CExamples and Discussions Exercise Thank you ! 27