Author, as appears in the article.: Mateos X; Pujol M; Güell F; Solé R; Gavaldà J; Aguiló M; Díaz F; Massons J
Department: Química Física i Inorgànica
URV's Author/s: Aguiló Díaz, Magdalena / Díaz González, Francisco Manuel / Gavaldà Martínez, Josefa / GüELL VILÀ, FRANK / Masons Bosch, Jaime / Mateos Ferré, Xavier / Pujol Baiges, Maria Cinta / Solé Cartañà, Rosa Maria
Keywords: Hashtag Etiqueta «#» @uroweb @residentesaeu @infoAeu
Abstract: We present our recent achievements in the growth and spectroscopic characterization of (formula presented) crystals doped with erbium ions (hereafter KYbW:Er). We grew single crystals of KYbW:Er at several erbium concentrations with optimal crystalline quality by the top-seeded-solution growth (TSSG) slow-cooling method. We carried out spectroscopic measurements related to the polarized optical absorption and optical emission at room temperature (RT) and low temperature (6 K). The splitting of the excited energy levels and the ground energy level of erbium in KYbW were determined, derived from the absorption and emission measurements at 6 K, respectively. We determined the near infrared, around (formula presented) (formula presented) emission channels from the emission spectrum, and used the reciprocity method to calculate a maximum emission cross section of (formula presented) for the polarization parallel to the (formula presented) principal optical direction for the (formula presented) (formula presented) infrared emission. We measured the lifetime of the (formula presented) transition of ytterbium and the (formula presented) transition of erbium at RT for several erbium concentrations. Finally, we present the Judd-Ofelt calculations for the KYbW:Er system. © 2002 The American Physical Society.
Thematic Areas: Química Physics, condensed matter Physics, applied Medicina ii Medicina i Materials science, multidisciplinary Materiais Matemática / probabilidade e estatística Interdisciplinar Geociências Farmacia Ensino Engenharias iv Engenharias iii Engenharias ii Electronic, optical and magnetic materials Educação Economia Condensed matter physics Ciências biológicas ii Ciências biológicas i Ciências ambientais Ciências agrárias i Ciência da computação Biotecnología Biodiversidade Astronomia / física
ISSN: 01631829
Author's mail: magdalena.aguilo@urv.cat jaume.masons@urv.cat mariacinta.pujol@urv.cat rosam.sole@urv.cat fina.gavalda@urv.cat xavier.mateos@urv.cat f.diaz@urv.cat
Author identifier: 0000-0001-6130-9579 0000-0003-4325-6084 0000-0002-1052-8031 0000-0002-5769-4141 0000-0001-7881-4192 0000-0003-1940-1990 0000-0003-4581-4967
Record's date: 2024-11-16
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Physical Review b. 66 (21): 1-12
APA: Mateos X; Pujol M; Güell F; Solé R; Gavaldà J; Aguiló M; Díaz F; Massons J (2002). Sensitization of (formula presented) emission at (formula presented) by (formula presented) in (formula presented) single crystals. Physical Review b, 66(21), 1-12. DOI: 10.1103/PhysRevB.66.214104
Article's DOI: 10.1103/PhysRevB.66.214104
Entity: Universitat Rovira i Virgili
Journal publication year: 2002
Publication Type: Journal Publications