Optical excitations of a self-assembled artificial ion

Findeis, F.; Baier, M.; Zrenner, A.; Bichler, M.; Abstreiter, G.; Hohenester, U.; Molinari, Elisa

By use of magnetophotoluminescence spectroscopy, we demonstrate bias-controlled single-electron charging of a single quantum dot. Neutral, single, and double charged excitons are identified in the optical spectra. At high magnetic fields one Zeeman component of the single charged exciton is found to be quenched, which is attributed to the competing effects of tunneling and spin-flip processes. Our experimental data are in good agreement with theoretical model calculations for situations where the spatial extent of the hole wave functions is smaller as compared to the electron wave functions

Optical excitations of a self-assembled artificial ion / F., Findeis; M., Baier; A., Zrenner; M., Bichler; G., Abstreiter; U., Hohenester; Molinari, Elisa. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - STAMPA. - 63(2001), pp. R121309-R121309.

Data di pubblicazione:	2001
Titolo:	Optical excitations of a self-assembled artificial ion
Autore/i:	F., Findeis; M., Baier; A., Zrenner; M., Bichler; G., Abstreiter; U., Hohenester; Molinari, Elisa
Autore/i UNIMORE:	F. FINDEIS M. BAIER A. ZRENNER M. BICHLER G. ABSTREITER U. HOHENESTER MOLINARI, Elisa mostra contributor esterni nascondi contributor esterni
Rivista:	PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS
Volume:	63
Pagina iniziale:	R121309
Pagina finale:	R121309
Codice identificativo ISI:	WOS:000167806600016
Codice identificativo Scopus:	2-s2.0-0034894824
Citazione:	Optical excitations of a self-assembled artificial ion / F., Findeis; M., Baier; A., Zrenner; M., Bichler; G., Abstreiter; U., Hohenester; Molinari, Elisa. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - STAMPA. - 63(2001), pp. R121309-R121309.
Tipologia	Articolo su rivista

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