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Titolo:
RESONANCE CONDITION FOR ASYMMETRICAL TRIPLE-BARRIER STRUCTURES
Autore:
ZHAO XD; YAMAMOTO H; NAKANO Y; TANIGUCHI K;
Indirizzi:
FUKUI UNIV,DEPT INFORMAT SCI,3-9-1 BUNKYO FUKUI 910 JAPAN
Titolo Testata:
Superlattices and microstructures
fascicolo: 6, volume: 23, anno: 1998,
pagine: 1273 - 1283
SICI:
0749-6036(1998)23:6<1273:RCFATS>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSMISSION COEFFICIENT; CONFINING PHENOMENA; HETEROSTRUCTURES;
Keywords:
RESONANCE CONDITION; ASYMMETRICAL TRIPLE-BARRIER STRUCTURES; RESONANCE MODES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
24
Recensione:
Indirizzi per estratti:
Citazione:
X.D. Zhao et al., "RESONANCE CONDITION FOR ASYMMETRICAL TRIPLE-BARRIER STRUCTURES", Superlattices and microstructures, 23(6), 1998, pp. 1273-1283

Abstract

The resonance condition for triple-barrier structures with arbitrary potential is studied systematically. The quasisymmetrical triple-barrier (QT) resonance mode and the quasiasymmetrical double-barrier (QAD) resonance mode may both exist in asymmetric triple-barrier structures. The QST consists of two submodes: a normal mode (doublet) and a degenerate mode (singlet). The critical condition for distinguishing the two modes is examined. It is confirmed that there are both unity resonant transmission and below-unit resonant transmission in the asymmetrical triple-barrier structure. Furthermore, the wavefunctions of an electron at resonance level are calculated and the confining phenomenon is studied. (C) 1998 Academic Press Limited.

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Documento generato il 25/01/20 alle ore 15:55:16