CRYSTALLINE STRUCTURE OF LEAD, STRONTIUM AND BARIUM METATANTALATES (in Russian)
Journal Article
·
· Akad. Nauk Azerbaidzhanskoi S.S.R., Doklady
OSTI ID:4204307
X-ray studies were made of the polycrystalline structure of lead, barium, and strontium metatantalates. The correlation of powder diagrams of PbTa/ sub 2/O/sub 6/. BaTa /sub 2/O/sub 6/, and SrTa/sub 2/O/sub 6/ with PbNb/sub 2/O/ sub 6/ indicate an isostructure. The enlargement of PbTa/sub 2/O/sub 6/ and BaTa/ sub 2/O/sub 6/ elementary cells is caused by the Pb/sup 2+/(1.26A) and Ba/sup 2+/ (1.38A) ion radii. The absence of spontaneous SrTa/sub 2/O/sub 6/ and BaTa/sub 2/ O O/sub 6/ polarization can be explained by the low polarizability of Sr/sup 2+/ ( alpha = 1.42) and Ba/sup 2+/( alpha = 1.69) with respect to Pb/sup 2+/ ( alpha = 4.32). (R.V.J.)
- Research Organization:
- Inst. of Petroleum, SSR
- NSA Number:
- NSA-13-022447
- OSTI ID:
- 4204307
- Journal Information:
- Akad. Nauk Azerbaidzhanskoi S.S.R., Doklady, Journal Name: Akad. Nauk Azerbaidzhanskoi S.S.R., Doklady Vol. Vol: 15, No. 1
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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