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Ge nanocrystal metal-oxide-semiconductor transistors with Ge nanocrystals formed by thermal oxidation of poly-Si0.88Ge0.12
被引:27
|作者:
Wu, J. H.
[1
]
Li, P. W.
[1
]
机构:
[1] Natl Cent Univ, Dept Elect Engn, Chungli 32001, Taiwan
关键词:
D O I:
10.1088/0268-1242/22/1/S21
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
We have experimentally fabricated Ge-nanocrystals (ncs) metal-oxide-semiconductor field-effect transistors (MOSFETs) with significant capacitance-voltage hysteresis window, threshold voltage shift and good retention. The Ge-ncs/SiO2 system has a good charge storage capability with a charge loss of 12.5% after 10 years retention. This work shows that the heart of the nonvolatile memory transistors, Ge-ncs, is formed by thermal oxidation of polycrystalline Si0.88Ge0.12, which is a simple method and can be easily adapted in the fabrication of embedded circuits.
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页码:S89 / S92
页数:4
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