Silicon nanowhiskers in the diameter range of 70 to 200 nm were grown on <111>-oriented silicon substrates by molecular-beam epitaxy. Assuming the so-called "vapor-liquid-solid" (VLS) growth process to operate, we initiated the growth by using small clusters of gold at the silicon interface as seeds. The in situ generation of the Au clusters as well as the growth parameters of the whiskers are discussed. The experimentally observed radius dependence of the growth velocity of the nanowhiskers is opposite to what is known for VLS growth based on chemical vapor deposition and can be explained by an ad-atom diffusion on the surface of the whiskers. (C) 2004 American Institute of Physics.
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Nippon Telegraph & Tel Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, JapanNippon Telegraph & Tel Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, Japan
Finnie, P
Homma, Y
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Nippon Telegraph & Tel Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, JapanNippon Telegraph & Tel Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, Japan
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
Liu, JL
Cai, SJ
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
Cai, SJ
Jin, GL
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
Jin, GL
Tang, YS
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
Tang, YS
Wang, KL
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
Liu, JL
Cai, SJ
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
Cai, SJ
Jin, GL
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
Jin, GL
Thomas, SG
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
Thomas, SG
Wang, KL
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
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Nippon Telegraph & Tel Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, JapanNippon Telegraph & Tel Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, Japan
Finnie, P
Homma, Y
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Nippon Telegraph & Tel Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, JapanNippon Telegraph & Tel Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, Japan
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
Liu, JL
Cai, SJ
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
Cai, SJ
Jin, GL
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
Jin, GL
Tang, YS
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
Tang, YS
Wang, KL
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Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
Liu, JL
Cai, SJ
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
Cai, SJ
Jin, GL
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
Jin, GL
Thomas, SG
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA
Thomas, SG
Wang, KL
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Univ Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Device Res Lab, Dept Elect Engn, Los Angeles, CA 90095 USA