Paramagnetic centers in. gamma. -irradiated single crystals of yttrium aluminum garnet at low temperatures. [Effects of Nd/sup 3 +/, Ce/sup 3 +/, and Cr/sup 3 +/]

Journal Article · Sat Nov 01 00:00:00 EST 1975 · Dokl. Phys. Chem. (Engl. Transl.); (United States)

OSTI ID:7335787

Karaseva, L G; Saunin, E I; Gromov, V V; Spitsyn, V I

A detailed study of the paramagnetic centers in ..gamma..-irradiated yttrium aluminum garnet, Y/sub 3/Al/sub 5/O/sub 12/, (YAG) by electron spin resonance is reported. The nature of the influence of activator ions, Ce/sup 3 +/, Nd/sup 3 +/, and Cr/sup 3 +/, on the stabilization of the radiation centers was also investigated. The studies were carried out at -196/sup 0/C. Depending on the temperature and the nature of the impurities in the YAG crystals, at least three different types of radiation paramagnetic centers were indicated: I stable to -120/sup 0/C, II annealed in a range between -80 and -20/sup 0/C, and III stable up to 300/sup 0/C. (BLM)

• Research Organization: Inst. of Physical Chemistry, Moscow
• OSTI ID: 7335787
• Journal Information: Dokl. Phys. Chem. (Engl. Transl.); (United States), Vol. 225:1-3; Other Information: Translated from Dokl. Akad. Nauk SSSR; 225: No. 2, 353-356(Nov 1975)
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
ALUMINIUM OXIDES
PHYSICAL RADIATION EFFECTS
YTTRIUM OXIDES
ANNEALING
CERIUM COMPOUNDS
CHROMIUM COMPOUNDS
DOPED MATERIALS
ELECTRON SPIN RESONANCE
GAMMA RADIATION
LOW TEMPERATURE
NEODYMIUM COMPOUNDS
ALUMINIUM COMPOUNDS
CHALCOGENIDES
ELECTROMAGNETIC RADIATION
HEAT TREATMENTS
IONIZING RADIATIONS
MAGNETIC RESONANCE
OXIDES
OXYGEN COMPOUNDS
RADIATION EFFECTS
RADIATIONS
RARE EARTH COMPOUNDS
RESONANCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
360605* - Materials- Radiation Effects
400600 - Radiation Chemistry