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Effect of Fe doping on optical properties of freestanding semi-insulating HVPE GaN:Fe
- 1.0350300 - ÚFE 2011 RIV NL eng J - Článek v odborném periodiku
Gladkov, Petar - Humlíček, J. - Hulicius, Eduard - Šimeček, Tomislav - Paskova, T. - Evans, K.
Effect of Fe doping on optical properties of freestanding semi-insulating HVPE GaN:Fe.
Journal of Crystal Growth. Roč. 312, č. 8 (2010), s. 1205-1209. ISSN 0022-0248. E-ISSN 1873-5002
Grant CEP: GA AV ČR IAA100100719; GA MŠMT(CZ) LC06040
Výzkumný záměr: CEZ:AV0Z20670512; CEZ:AV0Z10100521
Klíčová slova: Fe-doping * Optical characterization * Hybride vapor phase epitaxy * Nitrides
Kód oboru RIV: JB - Senzory, čidla, měření a regulace
Impakt faktor: 1.737, rok: 2010
Systematic study of optical properties of undoped and Fe-doped substrates grown by hydride vapor phase epitaxy has reveled a strong dependence of the photoluminescence, transmission, reflectivity, and ellipsometric spectra on the Fe-doping level. The changes of the near-band-gap transmission, reflectivity and photoluminescence has been observed and ascribed to the absorption introduced by the density of states tails and the Fe3+-ions incorporated in the GaN-lattice. Several approaches towards quantifying the Fe-doping level are suggested.
Trvalý link: http://hdl.handle.net/11104/0190335
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