It is shown that surface roughness becomes increasingly important as oxide thicknesses decrease. Silicon-silicon dioxide capacitances with thicknesses of 7 nm, 15 nm, and 50 nm are measured with an atomic force microscope (AFM). The height data thusly obtained is used to create three dimensional simulation structures to reproduce measurement data obtained from leakage current measurements. The leakage currents are simulated using the Fowler-Nordheim (FN) tunnelling current model.
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Univ New South Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, AustraliaUniv New South Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia
Nie, Shuai
Bonilla, Ruy Sebastian
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Univ Oxford, Dept Mat, Oxford OX1 3PH, EnglandUniv New South Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia
Bonilla, Ruy Sebastian
Hameiri, Ziv
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Univ New South Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, AustraliaUniv New South Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia
机构:Univ of Western Australia, Dep of, Electrical & Electric, Engineering, Nedlands, Aust, Univ of Western Australia, Dep of Electrical & Electric Engineering, Nedlands, Aust
DUONG, AK
NASSIBIAN, AG
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机构:Univ of Western Australia, Dep of, Electrical & Electric, Engineering, Nedlands, Aust, Univ of Western Australia, Dep of Electrical & Electric Engineering, Nedlands, Aust