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Titolo:
When do excitons really exist?
Autore:
Hagele, D; Hubner, J; Ruhle, WW; Oestreich, M;
Indirizzi:
Univ Marburg, Fachbereich Phys, D-35032 Marburg, Germany Univ Marburg Marburg Germany D-35032 eich Phys, D-35032 Marburg, Germany Univ Marburg, Wissensch Zentrum Mat Wissensch, D-35032 Marburg, Germany Univ Marburg Marburg Germany D-35032 Wissensch, D-35032 Marburg, Germany
Titolo Testata:
PHYSICA B
fascicolo: 1-4, volume: 272, anno: 1999,
pagine: 328 - 330
SICI:
0921-4526(199912)272:1-4<328:WDERE>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
GAAS QUANTUM-WELLS; EXCHANGE INTERACTION; RELAXATION; DYNAMICS;
Keywords:
exciton; exchange coupling; spin quantum beats;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Hagele, D Univ Marburg, Fachbereich Phys, Renthof 5, D-35032 Marburg, Germany Univ Marburg Renthof 5 Marburg Germany D-35032 Marburg, Germany
Citazione:
D. Hagele et al., "When do excitons really exist?", PHYSICA B, 272(1-4), 1999, pp. 328-330

Abstract

We demonstrate a new concept to identify the population of 1s excitons in semiconductors in the time between optical excitation and recombination. The experiment determines the overlap of electrons and holes by tracing the electron-hole exchange energy. A dominant population of excitons is only present under stringent experimental conditions. (C) 1999 Elsevier Science B.V. All rights reserved.

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Documento generato il 26/11/20 alle ore 20:25:45