Electrical characterization of strained Si/SiGe wafers using transient capacitance measurements
Electrical characterization of strained Si/SiGe wafers using transient capacitance measurements
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使用瞬态电容测量对应变 Si/SiGe 晶圆进行电气表征
DOI:
10.1063/1.1891303
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发表时间:
2004
影响因子:
4
通讯作者:
H. Nakashima
中科院分区:
文献类型:
--
作者:
Dong Wang;M. Ninomiya;M. Nakamae;H. Nakashima
Interface states density (Nss) and minority carrier generation lifetime (τg) were evaluated for strained Si(St-Si)∕SiGe wafers using deep level transient spectroscopy and metal-oxide-semiconductor transient capacitance methods. Nss shows an independence on St-Si thickness (dSi) and an obvious dependence on Ge fraction (Ge%). τg shows a strong dependence on both dSi and Ge%. The reasons of these dependencies are discussed in detail.