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Single crystal growth of BaZrO3 from the melt at 2700 °C using optical floating zone technique and growth prospects from BaB2O4 flux at 1350 °C

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierLuxembourg Institute of Science and Technology [LIST]
dc.contributor.authorXIN, Cong
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifieriLM - Luminescence [iLM - LUMINESCENCE]
dc.contributor.authorVEBER, Philippe
hal.structure.identifierLuxembourg Institute of Science and Technology [LIST]
dc.contributor.authorGUENNOU, Mael
hal.structure.identifierLuxembourg Institute of Science and Technology [LIST]
dc.contributor.authorTOULOUSE, Constance
hal.structure.identifierLuxembourg Institute of Science and Technology [LIST]
dc.contributor.authorVALLE, Nathalie
hal.structure.identifierUniversity of Warwick [Coventry]
dc.contributor.authorCIOMAGA HATNEAN, Monica
hal.structure.identifierUniversity of Warwick [Coventry]
dc.contributor.authorBALAKRISHNAN, Geetha
hal.structure.identifierInstitut de Chimie Moléculaire et des Matériaux d'Orsay [ICMMO]
dc.contributor.authorHAUMONT, Raphael
hal.structure.identifierInstitut de Chimie Moléculaire et des Matériaux d'Orsay [ICMMO]
dc.contributor.authorSAINT MARTIN, Romuald
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVELÁZQUEZ, Matias
hal.structure.identifierLaboratoire Matériaux Optiques, Photonique et Systèmes [LMOPS]
dc.contributor.authorMAILLARD, Alain
hal.structure.identifierFEE Gmbh
dc.contributor.authorRYTZ, Daniel
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJOSSE, Michaël
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAGLIONE, Mario
hal.structure.identifierPhysics and Materials Science Research Unit
hal.structure.identifierLuxembourg Institute of Science and Technology [LIST]
dc.contributor.authorKREISEL, Jens
dc.date.issued2019
dc.description.abstractEnWe report the growth of BaZrO3 single crystals by the optical floating zone technique and the investigation on its flux growth using BaB2O4 as a solvent. 6 mm long colorless and transparent single crystals were obtained with a mirror furnace without the need for post-treatment annealing. Its properties are determined and compared with those of two commercial crystals grown by the tri-arc Czochralski method. The chemical composition was investigated using glow discharge mass spectrometry (GDMS) and secondary ion mass spectrometry (SIMS), which indicate minor impurities of Sr, Hf, Ca and Ti, with maximal concentrations for Sr and Hf in the range of 0.3–0.5% at. The optical band gap determined by UV-visible spectroscopy is found to be ∼4.8 eV and indicates the high quality of the BaZrO3 crystals grown by the optical floating zone technique. Raman spectroscopy at ambient conditions and at low temperatures down to 4.2 K reveals a relatively sharp second-order spectrum and does not reveal any structural phase transition. Prospective high-temperature solution growth using BaB2O4 self-flux was investigated and led to 150–200 μm BaZrO3 crystals. This solvent opens the way to grow BaZrO3 at half its melting point by the flux method.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enSingle crystal growth of BaZrO3 from the melt at 2700 °C using optical floating zone technique and growth prospects from BaB2O4 flux at 1350 °C
dc.typeArticle de revue
dc.identifier.doi10.1039/C8CE01665H
dc.subject.halChimie/Matériaux
dc.description.sponsorshipEuropeEuropean Joint Doctorate in Functional Materials Research
bordeaux.journalCrystEngComm
bordeaux.page502-512
bordeaux.volume21
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-01987478
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01987478v1
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