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Investigation of nitrogen-related acceptor centers in indium selenide by means of photoluminescence: Determination of the hole effective mass

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Investigation of nitrogen-related acceptor centers in indium selenide by means of photoluminescence: Determination of the hole effective mass

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dc.contributor.author	Ferrer Roca, Chantal
dc.contributor.author	Segura García del Río, Alfredo
dc.contributor.author	Andrés, Miguel V.
dc.contributor.author	Pellicer Porres, Julio
dc.contributor.author	Muñoz Sanjosé, Vicente
dc.date.accessioned	2022-03-28T14:25:10Z
dc.date.available	2022-03-28T14:25:10Z
dc.date.issued	1997
dc.identifier.citation	Ferrer Roca, Chantal Segura García del Río, Alfredo Andrés, Miguel V. Pellicer Porres, Julio Muñoz Sanjosé, Vicente 1997 Investigation of nitrogen-related acceptor centers in indium selenide by means of photoluminescence: Determination of the hole effective mass Physical Review B 55 11 6981 6987
dc.identifier.uri	https://hdl.handle.net/10550/82059
dc.description.abstract	In this work we report on steady-state and time-resolved photoluminescence (PL) measurements in nitrogen doped p-type indium selenide in the 33-210-K temperature range. In samples with low nitrogen concentration the photoluminescence spectrum consists of exciton-related peaks and a band-to-acceptor recombination peak (2.1-μs lifetime) with LO-phonon replica. An ionization energy of 65.5 meV is proposed for the nitrogenrelated acceptor. A long-lived (18 μs) component, which consists of an asymmetric broadband centered around the acceptor peak, has been also detected by means of time-resolved PL. Samples with a higher nitrogen concentration show a PL spectrum that mainly consists of the asymmetric long-lived broadband that can be associated to a complex center. The asymmetric shape of this band is quantitatively accounted for in the framework of the configuration coordinate model for complex centers. Under the assumption that the nitrogen related acceptor is shallow, the Gerlach-Pollman theory allows an estimate of the hole's effective masses.
dc.language.iso	eng
dc.relation.ispartof	Physical Review B, 1997, vol. 55, num. 11, p. 6981-6987
dc.subject	Física
dc.title	Investigation of nitrogen-related acceptor centers in indium selenide by means of photoluminescence: Determination of the hole effective mass
dc.type	journal article	es_ES
dc.date.updated	2022-03-28T14:25:10Z
dc.identifier.doi	10.1103/PhysRevB.55.6981
dc.identifier.idgrec	081075
dc.rights.accessRights	open access	es_ES