Photoluminescence and acceptor state of Na in ZnSe

Sodium was incorporated into high-purity ZnSe single crystals by dipping the crystal into molten Se-base Na alloys. The I 1 Na line and two types of donor-acceptor pair (DAP) emissions were observed. An acceptor binding energy of 117 meV was obtained for Na by analyzing the selective photoluminescen...

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Veröffentlicht in:	Japanese Journal of Applied Physics 1991-04, Vol.30 (4), p.623-626
Hauptverfasser:	ISSHIKI, M, ITOGA, T, MASUMOTO, K, MOCHIZUKI, K, UCHIDA, W
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Photoluminescence Physics
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Beschreibung
Zusammenfassung:	Sodium was incorporated into high-purity ZnSe single crystals by dipping the crystal into molten Se-base Na alloys. The I 1 Na line and two types of donor-acceptor pair (DAP) emissions were observed. An acceptor binding energy of 117 meV was obtained for Na by analyzing the selective photoluminescence spectra on the I 1 Na line and the excitation intensity dependence of the peak energy of DAP emissions. It is confirmed that the P emission observed in DAP emission is due to the recombination between the Na acceptor and Ga donor.
ISSN:	0021-4922 1347-4065
DOI:	10.1143/jjap.30.623