Bridgman‐stockbarger growth and spectral characteristics of Al 2 O 3 :Ti 3+  single crystals | Zendy

Peshev P. | Zendy; Delineshev S. | Zendy; Petrov V. | Zendy; Manuilov N. | Zendy; Yankov P. | Zendy; Bachvarov I. | Zendy

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Bridgman‐stockbarger growth and spectral characteristics of Al 2 O 3 :Ti 3+ single crystals

Author(s) -

Peshev P.,

Delineshev S.,

Petrov V.,

Manuilov N.,

Yankov P.,

Bachvarov I.

Publication year - 1988

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.2170230512

Subject(s) - luminescence , analytical chemistry (journal) , materials science , absorption (acoustics) , spectral line , absorption spectroscopy , crystallography , chemistry , optics , physics , optoelectronics , chromatography , astronomy , composite material

Single crystals of Al 2 O 3 :Ti 3+ (Ti ranging from 0.1–1.5 at.%) are grown by the Bridgman‐Stockbarger method from a mixture of Al 2 O 3 and Ti 2 O 3 in a medium of 90% Ar and 10% H 2 . The radial distribution of Ti 3+ in the crystals is determined by measuring the optical transmission. The absorption spectra of the crystals and the luminescence spectra of Ti 3+ in the Al 2 O 3 matrix are obtained and the crystals fluorescence lifetime is determined. The optical characteristics of the crystals have shown good agreement with the corresponding characteristics of Al 2 O 3 :Ti 3+ crystals grown by other methods.

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