Growth and optical properties of Cr3+ doped GdAlO3 single crystals

High-Temperature Solution crystal growth experiments on Cr3+ doped GdAlO3, are described where the flux and solute stoichiometry was changed for the process optimization to obtain homogeneous and inclusion free larger crystals. Transparent single crystals up to 3.8 cm³ have been grown. The pressure-...

Full description

Saved in:
Bibliographic Details
Published inMaterials research (São Carlos, São Paulo, Brazil) Vol. 3; no. 2; pp. 45 - 49
Main Authors Andreeta, J.P., Jovanic, B.R.
Format Journal Article
LanguageEnglish
Portuguese
Published ABM, ABC, ABPol 01.04.2000
Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
Subjects
aluminates
ENGINEERING, CHEMICAL
high-pressure luminescence
MATERIALS SCIENCE, MULTIDISCIPLINARY
METALLURGY & METALLURGICAL ENGINEERING
oxides
rare earth
rare earth
high-pressure luminescence
oxides
aluminates
Online AccessGet full text

Cover

More Information
Summary:High-Temperature Solution crystal growth experiments on Cr3+ doped GdAlO3, are described where the flux and solute stoichiometry was changed for the process optimization to obtain homogeneous and inclusion free larger crystals. Transparent single crystals up to 3.8 cm³ have been grown. The pressure-induced wavelength shift of laser excited fluorescence in some of these crystals was measured up to 115 kbar at room temperature in relation to the R1 shift of ruby. The wavelength shift fluorescence behaviors of these doped crystals, with low Cr3+ concentrations, indicate that this material could be used in producing a new class of pressure sensors.
ISSN:1516-1439
1980-5373
1516-1439
DOI:10.1590/S1516-14392000000200008