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Properties of complex tungstates, niobates, translated with fluorite-like structure. Svojstva slozhnykh vol'framatov, niobatov, tantalatov s flyuoritopodobnoj strukturoj

Journal Article:

Abstract

Spectra of ternary tungstates, niobates and tantalates (MeLa{sub 2}WO{sub 7}, La{sub 3}TO{sub 7}; Me=Ba, Sr; T=Ta, Nb) related to the layered fluorite group are analyzed. The laser pumping and time resolved luminescence are used for selecting spectra of unequivalent centers. The symmetry of the first center is near to the distorted cubic one. The vibrational spectra of europium in Eu{sub 3}NbO{sub 7} and SrLa{sub 2}WO{sub 7} are due to the chain-like structure of niobates and to the net-like structure of tantalates. The stimulated emission of Nd{sup 3+} in powders of BaLa{sub 2}WO{sub 7} and La{sub 3}NbO{sub 7} is observed at wavelengths of 1.07 and 1.063 {mu}m, respectively.
Publication Date:
Apr 01, 1989
Product Type:
Journal Article
Reference Number:
AIX-21-049013; EDB-90-094971
Resource Relation:
Journal Name: Zhurnal Prikladnoj Spektroskopii; (Byelorussian SSR); Journal Volume: 50:4
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; BARIUM TUNGSTATES; CRYSTAL STRUCTURE; LUMINESCENCE; EUROPIUM COMPOUNDS; LANTHANUM TUNGSTATES; NEODYMIUM COMPOUNDS; NIOBATES; STRONTIUM TUNGSTATES; TANTALATES; EMISSION SPECTRA; ENERGY-LEVEL TRANSITIONS; LOW TEMPERATURE; ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; LANTHANUM COMPOUNDS; NIOBIUM COMPOUNDS; OXYGEN COMPOUNDS; RARE EARTH COMPOUNDS; REFRACTORY METAL COMPOUNDS; SPECTRA; STRONTIUM COMPOUNDS; TANTALUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; TUNGSTATES; 400201* - Chemical & Physicochemical Properties
OSTI ID:
6902414
Country of Origin:
USSR
Language:
Russian
Other Identifying Numbers:
Journal ID: ISSN 0514-7506; CODEN: ZPSBA
Submitting Site:
INIS
Size:
Pages: 670-674
Announcement Date:

Journal Article:

Citation Formats

Vetkina, S N, Zolin, V F, Sirotinkin, V P, and Smirnov, S A. Properties of complex tungstates, niobates, translated with fluorite-like structure. Svojstva slozhnykh vol'framatov, niobatov, tantalatov s flyuoritopodobnoj strukturoj. USSR: N. p., 1989. Web.
Vetkina, S N, Zolin, V F, Sirotinkin, V P, & Smirnov, S A. Properties of complex tungstates, niobates, translated with fluorite-like structure. Svojstva slozhnykh vol'framatov, niobatov, tantalatov s flyuoritopodobnoj strukturoj. USSR.
Vetkina, S N, Zolin, V F, Sirotinkin, V P, and Smirnov, S A. 1989. "Properties of complex tungstates, niobates, translated with fluorite-like structure. Svojstva slozhnykh vol'framatov, niobatov, tantalatov s flyuoritopodobnoj strukturoj." USSR.
@misc{etde_6902414,
title = {Properties of complex tungstates, niobates, translated with fluorite-like structure. Svojstva slozhnykh vol'framatov, niobatov, tantalatov s flyuoritopodobnoj strukturoj}
author = {Vetkina, S N, Zolin, V F, Sirotinkin, V P, and Smirnov, S A}
abstractNote = {Spectra of ternary tungstates, niobates and tantalates (MeLa{sub 2}WO{sub 7}, La{sub 3}TO{sub 7}; Me=Ba, Sr; T=Ta, Nb) related to the layered fluorite group are analyzed. The laser pumping and time resolved luminescence are used for selecting spectra of unequivalent centers. The symmetry of the first center is near to the distorted cubic one. The vibrational spectra of europium in Eu{sub 3}NbO{sub 7} and SrLa{sub 2}WO{sub 7} are due to the chain-like structure of niobates and to the net-like structure of tantalates. The stimulated emission of Nd{sup 3+} in powders of BaLa{sub 2}WO{sub 7} and La{sub 3}NbO{sub 7} is observed at wavelengths of 1.07 and 1.063 {mu}m, respectively.}
journal = {Zhurnal Prikladnoj Spektroskopii; (Byelorussian SSR)}
volume = {50:4}
journal type = {AC}
place = {USSR}
year = {1989}
month = {Apr}
}