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Structure and oxygen stoichiometry of phases in La-Pr-O system
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UNSPECIFIED (1998) Structure and oxygen stoichiometry of phases in La-Pr-O system. MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 52 (2-3). pp. 162-168.
Research output not available from this repository, contact author.Abstract
Citrate gel method has been employed to produce homogeneous mixed rare-earth oxides in La2-xPrxO3+y (0 less than or equal to x less than or equal to 2) system. The phases obtained at 1473 K in static air have been characterised for the entire range of compositions for their crystal structure. Hexagonal structure is stable for 0 less than or equal to x less than or equal to 0.6 whereas cubic fluorite phase is stable for 1 less than or equal to x less than or equal to 2. The unit cell parameters are reported for the range of single phase compositions. Wet-chemical analysis reveals that the compositions adopting hexagonal structure are stoichiometric (y=0) whereas the compositions crystallising in the fluorite structure have the y increasing from 0.33 to 0.66 as x is varied from 1 to 2. (C) 1998 Elsevier Science S.A. All rights reserved.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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| Journal or Publication Title: | MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | ||||
| Publisher: | ELSEVIER SCIENCE SA | ||||
| ISSN: | 0921-5107 | ||||
| Official Date: | 3 April 1998 | ||||
| Dates: |
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| Volume: | 52 | ||||
| Number: | 2-3 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | pp. 162-168 | ||||
| Publication Status: | Published |
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