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dc.contributor.authorPeña-Jiménez, Jesús-Alejandro-
dc.contributor.authorGonzález, Federico-
dc.contributor.authorLópez-Juárez, Rigoberto-
dc.contributor.authorHernández-Alcántara, José-Manuel-
dc.contributor.authorCamarillo, Enrique-
dc.contributor.authorMurrieta-Sánchez, Héctor-
dc.contributor.authorPardo, Lorena-
dc.contributor.authorVillafuerte-Castrejón, María-Elena-
dc.identifierdoi: 10.3390/ma9100805-
dc.identifier.citationMaterials 9(10): 805 (2016)-
dc.description.abstractThe solid-state method was used to synthesize single phase potassium-sodium niobate (KNN) co-doped with the La<sup>3+</sup>–Mn<sup>4+</sup> and Eu<sup>3+</sup>–Fe<sup>3+</sup> ion pairs. Structural determination of all studied solid solutions was accomplished by XRD and Rietveld refinement method. Electron paramagnetic resonance (EPR) studies were performed to determine the oxidation state of paramagnetic centers. Optical spectroscopy measurements, excitation, emission and decay lifetime were carried out for each solid solution. The present study reveals that doping KNN with La<sup>3+</sup>–Mn<sup>4+</sup> and Eu<sup>3+</sup>–Fe<sup>3+</sup> at concentrations of 0.5 mol % and 1 mol %, respectively, improves the ferroelectric and piezoelectric behavior and induce the generation of optical properties in the material for potential applications.-
dc.description.sponsorshipJesús-Alejandro Peña-Jiménez is grateful to CONACyT-México for his PhD scholarship. María-Elena Villafuerte-Castrejón thanks the support for the sabbatical year on the ICMM-CSIC (Madrid, Spain) of PASPA-DGAPA, UNAM and CONACyT-México and also kindly acknowledges the financial support under project IN116610-3, PAPIIT-UNAM. Also, Federico González gives special thanks to CONACyT for providing financial support through Project 154962. We want to thank to Virginia Gomez Vidal for EPR measurements acquisition, as well as to Omar Novelo for SEM images acquisition and Adriana Tejeda Cruz for her technical assistance. We acknowledge support by the CSIC Open Access Publication Initiative through its Unit of Information Resources for Research (URICI).-
dc.publisherMultidisciplinary Digital Publishing Institutees_ES
dc.titleOptical and Piezoelectric Study of KNN Solid Solutions Co-Doped with La-Mn and Eu-Fe-
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)-
dc.contributor.funderUniversidad Nacional Autónoma de México-
dc.contributor.funderConsejo Nacional de Ciencia y Tecnología (México)-
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