Observation of strong-coupling effects in a diluted magnetic semiconductor (Ga,Fe)N

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dc.creatorPacuski, W.
dc.creatorKossacki, P.
dc.creatorFerrand, D.
dc.creatorGolnik, A.
dc.creatorCibert, J.
dc.creatorWegscheider, M.
dc.creatorNavarro-Quezada, A.
dc.creatorBonanni, A.
dc.creatorKiecana, M.
dc.creatorSawicki, M.
dc.creatorDietl, T.
dc.date2007-08-24
dc.date.accessioned2026-07-07T09:25:04Z
dc.date.available2026-07-07T09:25:04Z
dc.descriptionA direct observation of the giant Zeeman splitting of the free excitons in (Ga,Fe)N is reported. The magnetooptical and magnetization data imply the ferromagnetic sign and a reduced magnitude of the effective p-d exchange energy governing the interaction between Fe^{3+} ions and holes in GaN, N_0 beta^(app) = +0.5 +/- 0.2 eV. This finding corroborates the recent suggestion that the strong p-d hybridization specific to nitrides and oxides leads to significant renormalization of the valence band exchange splitting.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0708.3296
dc.identifierhttp://arxiv.org/abs/0708.3296
dc.identifierPhys. Rev. Lett. 100, 037204 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.037204
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/156286
dc.subjectMaterials Science
dc.titleObservation of strong-coupling effects in a diluted magnetic semiconductor (Ga,Fe)N
dc.typetext

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