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Chemical pressure effects on the spectroscopic properties of Nd3+-doped gallium nano-garnets

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Chemical pressure effects on the spectroscopic properties of Nd3+-doped gallium nano-garnets

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dc.contributor.author Monteseguro, V. es_ES
dc.contributor.author Rathaiah, M. es_ES
dc.contributor.author Linganna, K. es_ES
dc.contributor.author Lozano-Gorrin, A. D. es_ES
dc.contributor.author Hernandez-Rodriguez, M. A. es_ES
dc.contributor.author Martin, I. R. es_ES
dc.contributor.author Babu, P. es_ES
dc.contributor.author Rodriguez-Mendoza, U. R. es_ES
dc.contributor.author Manjón, Francisco-Javier es_ES
dc.contributor.author Muñoz, A. es_ES
dc.contributor.author Jayasankar, C. K. es_ES
dc.contributor.author Venkatramu, V. es_ES
dc.contributor.author Lavin, V. es_ES
dc.date.accessioned 2020-09-18T03:34:59Z
dc.date.available 2020-09-18T03:34:59Z
dc.date.issued 2015-08-01 es_ES
dc.identifier.issn 2159-3930 es_ES
dc.identifier.uri http://hdl.handle.net/10251/150320
dc.description.abstract [EN] Nd3+-doped RE3Ga5O12 (RE = Gd, Y, and Lu) nano-crystalline garnets of 40-45 nm in size have been synthesized by a sol-gel method. With the decrease of the RE atom size, the chemical pressure related to the decreasing volumes of the GaO4 tetrahedral, GaO6 octahedral and REO8 dodecahedral units drive the nano-garnets toward a more compacted structure, which is evidenced by the change of the vibrational phonon mode frequencies. The chemical pressure also increases the crystal-field strength felt by the RE3+ ions while decreases the orthorhombic distortion of the REO8 local environment. These effects alter the absorption and emission properties of the Nd3+ ion measured in the near-infrared luminescence range from 0.87 to 1.43 ¿m associated with the 4 F3/2¿4 IJ (J = 9/2, 11/2, 13/2) transitions. The 4 F3/2 luminescence decay curves show non-exponential behavior due to dipole-dipole energy transfer interactions among Nd3+ ions that increases with pressure. es_ES
dc.description.sponsorship Authors are grateful to The Governments of Spain and India for the Indo-Spanish Joint Programme of Bilateral Cooperation in Science and Technology (PRI-PIBIN-2011-1153/DST-INT-Spain-P-38-11). Dr. Venkatramu is grateful to DAE-BRNS, Government of India for the award of DAE Research Award for Young Scientist (No. 2010/20/34/5/BRNS/2223). This work have been partially supported by MINECO under The National Program of Materials (MAT2013-46649-C4-2-P/-3-P/-4-P), The Consolider-Ingenio 2010 Program (MALTA CSD2007-00045), by Fundacion CajaCanarias (ENER-01), and by the EU-FEDER funds. V. Monteseguro wishes to thank MICINN for the FPI grant (BES-2011-044596). Authors also thank Agencia Canaria de Investigacion, Innovacion y Sociedad de la Informacion for the funds given to Universidad de La Laguna, co-financed by The European Social Fund by a percentage of 85%. es_ES
dc.language Inglés es_ES
dc.publisher The Optical Society es_ES
dc.relation.ispartof Optical Materials Express es_ES
dc.rights Reconocimiento - No comercial (by-nc) es_ES
dc.subject.classification FISICA APLICADA es_ES
dc.title Chemical pressure effects on the spectroscopic properties of Nd3+-doped gallium nano-garnets es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1364/OME.5.001661 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/Fundación CajaCanarias//ENER-01/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//PRI-PIBIN-2011-1153/ES/MATERIALES NANOCRISTALINOS CON IONES DE TIERRAS RARAS CON APLICACIONES EN FOTÓNICA Y SENSORES es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//BES-2011-044596/ES/BES-2011-044596/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//DST-INT-Spain-P-38-11/ES
dc.relation.projectID info:eu-repo/grantAgreement/BRNS//2010%2F20%2F34%2F5%2FBRNS%2F2223/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MEC//CSD2007-00045/ES/MATERIA A ALTA PRESION/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//MAT2013-46649-C4-2-P/ES/OXIDOS METALICOS ABO3 EN CONDICIONES EXTREMAS/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada es_ES
dc.description.bibliographicCitation Monteseguro, V.; Rathaiah, M.; Linganna, K.; Lozano-Gorrin, AD.; Hernandez-Rodriguez, MA.; Martin, IR.; Babu, P.... (2015). Chemical pressure effects on the spectroscopic properties of Nd3+-doped gallium nano-garnets. Optical Materials Express. 5(8):1661-1673. https://doi.org/10.1364/OME.5.001661 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1364/OME.5.001661 es_ES
dc.description.upvformatpinicio 1661 es_ES
dc.description.upvformatpfin 1673 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 5 es_ES
dc.description.issue 8 es_ES
dc.relation.pasarela S\297722 es_ES
dc.contributor.funder Gobierno de España es_ES
dc.contributor.funder Fundación CajaCanarias es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Board of Research in Nuclear Sciences, India es_ES
dc.contributor.funder Ministerio de Economía, Industria y Competitividad es_ES
dc.contributor.funder Ministerio de Educación y Ciencia es_ES
dc.contributor.funder Department of Science and Technology, Ministry of Science and Technology, India
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