Effects of atomic disorder on impact ionization rate in silicon nanodots

We theoretically investigate effects of atomic disorder existing near the Si/SiO2 interfaces on the impact ionization rate of a Si nanodot (SiND). We find that the impact ionization rate of a disordered SiND becomes higher near the threshold energy and approaches that of an ideal SiND for higher ene...

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Hauptverfasser: Mori, N, Tomita, M, Minari, H, Watanabe, T, Koshida, N
Format: Tagungsbericht
Sprache:eng
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Zusammenfassung:We theoretically investigate effects of atomic disorder existing near the Si/SiO2 interfaces on the impact ionization rate of a Si nanodot (SiND). We find that the impact ionization rate of a disordered SiND becomes higher near the threshold energy and approaches that of an ideal SiND for higher energy region.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4848445