MECHANISM OF LEAKAGE CURRENT THROUGH THE NANOSCALE SIO2 LAYER

被引:48
作者
NAGANO, S [1 ]
TSUKIJI, M [1 ]
ANDO, K [1 ]
HASEGAWA, E [1 ]
ISHITANI, A [1 ]
机构
[1] NEC CORP LTD,ULSI DEVICE DEV LABS,SAGAMIHARA,KANAGAWA 229,JAPAN
关键词
D O I
10.1063/1.356116
中图分类号
O59 [应用物理学];
学科分类号
摘要
We clarify the mechanism of leakage current through the nanoscale ultrathin silicon dioxide (SiO2) layer in a metal-insulator-semiconductor structure based on the multiple scattering theory when technologically important phosphorus doped polycrystalline silicon is adopted as the gate electrode. We also derive an analytic expression for the direct tunneling current, and show that its measurement presents an excellent opportunity to determine the effective mass of an electron in the SiO2.
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页码:3530 / 3535
页数:6
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