Published July 1989 | Version v1
Journal article Metadata-only

Chromium ion electron state and lattice sites in garnet crystals

Creators

Description

Results of experimental and theoretic investigations into optical spectra of Y3Al5O12, Gd3Sc5O12, Gd3, Sc2, Ga3, O12 crystals activated by Cr,Mg or Ca ions and subjected to different thermal treatment and irradiation are presented. It is shown that irradiation of crystals produced under reduction conditions leads to formation of colour centers with Cr4+ ions in octahedral positions with the absorption in UV visible range. Oxidation annealing leads to production of centers with Cr4+ in tetrahedral absorption in 1-2μm region

Additional details

Additional titles

Original title (Russian)
Электронное состояние и позиции ионов хрома в кристаллах граната

Publishing Information

Journal Title
Fizika Tverdogo Tela
Journal Volume
31
Journal Issue
7
Series
Fiz. Tverd. Tela.
Journal Page Range
170-175
ISSN
0367-3294
CODEN
FTVTA

INIS

Country of Publication
Russian Federation
Country of Input or Organization
USSR
INIS RN
21077098
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Descriptors DEI
ABSORPTION SPECTRA; ALUMINIUM OXIDES; CALCIUM ADDITIONS; CHROMIUM ADDITIONS; COLOR CENTERS; CRYSTAL FIELD; FERRITE GARNETS; GADOLINIUM COMPOUNDS; GALLIUM OXIDES; INFRARED RADIATION; MAGNESIUM ADDITIONS; MONOCRYSTALS; PHYSICAL RADIATION EFFECTS; SCANDIUM OXIDES; ULTRAVIOLET RADIATION; VISIBLE RADIATION; YTTRIUM COMPOUNDS
Descriptors DEC
ALUMINIUM COMPOUNDS; CHALCOGENIDES; CRYSTAL DEFECTS; CRYSTAL STRUCTURE; CRYSTALS; ELECTROMAGNETIC RADIATION; GALLIUM COMPOUNDS; MINERALS; OXIDE MINERALS; OXIDES; OXYGEN COMPOUNDS; POINT DEFECTS; RADIATION EFFECTS; RADIATIONS; RARE EARTH COMPOUNDS; SCANDIUM COMPOUNDS; SPECTRA; TRANSITION ELEMENT COMPOUNDS; VACANCIES