Transmission electron microscopy and photoluminescence studies of Er implated low-temperature grown GaAs:Be
dc.contributor.author | Maltez, Rogério Luis | pt_BR |
dc.contributor.author | Liliental-Weber, Zuzanna | pt_BR |
dc.contributor.author | Washburn, J. | pt_BR |
dc.contributor.author | Behar, Moni | pt_BR |
dc.contributor.author | Klein, P.B. | pt_BR |
dc.contributor.author | Specht, P. | pt_BR |
dc.contributor.author | Weber, E.R. | pt_BR |
dc.date.accessioned | 2016-05-10T02:07:13Z | pt_BR |
dc.date.issued | 1998 | pt_BR |
dc.identifier.issn | 0003-6951 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/140626 | pt_BR |
dc.description.abstract | Characteristic 1.54 mm 4f-4 f emission has been observed from Er31 centers in Er-implanted and annealed, low-temperature grown GaAs:Be samples, while cross-sectional transmission electron microscopy ~TEM! studies reveal very little structural damage for elevated temperature implants. No Er emission was observed from any of the as-implanted samples, while the Er emission intensity was significantly more intense after 650 °C anneals than after 750 °C anneals. Significant enhancement of the optically active Er incorporation was achieved when the implantation was carried out at 300 °C. For the two total Er fluences employed (5.531013 and 13.631013 Er/cm2) the Er emission intensity exhibited a linear dependence upon implantation fluence, while TEM indicated no significant increase in the damage level at the higher fluence 300 °C implant. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | Applied Physics Letters. New York. Vol. 73, no. 15 (Oct. 1998), p. 2170-2172 | pt_BR |
dc.rights | Open Access | en |
dc.subject | Implantação de íons | pt_BR |
dc.subject | Arseneto de galio | pt_BR |
dc.subject | Crescimento epitaxial | pt_BR |
dc.subject | Microscopia eletrônica de transmissão | pt_BR |
dc.title | Transmission electron microscopy and photoluminescence studies of Er implated low-temperature grown GaAs:Be | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 000056722 | pt_BR |
dc.type.origin | Estrangeiro | pt_BR |
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