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Structural phase diagram of perovskite A(0.7)A'0.3MnO3 (A=La, Pr; A'=Ca, Sr, Ba): A new Imma allotype

Abstract:: The structural phase diagram of A1-xA′xMnO3 (A = La, Pr, Y, ...; A′ = Ca, Sr, Ba, ...) as a function of the average A-site ionic radius 〈rA〉 was determined from neutron powder diffraction data. In addition to the well-known Pnma and R3̄c phases, a new orthorhombic phase, with space group Imma, was found for large 〈rA〉 at low temperatures. Refined structural parameters are reported for La0.7Ba0.3MnO3 at 1.6 K (Imma) and at 293 K (R3̄c). The Imma → R3̄c phase transition was studied as a functio...
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Publication status:: Published

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APA Style

Radaelli, P., Marezio, M., Hwang, H., & Cheong, S. (1996). Structural phase diagram of perovskite A(0.7)A'0.3MnO3 (A=La, Pr; A'=Ca, Sr, Ba): A new Imma allotype. JOURNAL OF SOLID STATE CHEMISTRY, 122(2), 444–447.

MLA Style

Radaelli, P., et al. “Structural Phase Diagram of Perovskite A(0.7)A'0.3MnO3 (A=La, Pr; A'=Ca, Sr, Ba): A New Imma Allotype.” JOURNAL OF SOLID STATE CHEMISTRY, vol. 122, no. 2, 1996, pp. 444–47.

Chicago Style

Radaelli, P, M Marezio, H Hwang, and S Cheong. 1996. “Structural Phase Diagram of Perovskite A(0.7)A'0.3MnO3 (A=La, Pr; A'=Ca, Sr, Ba): A New Imma Allotype.” JOURNAL OF SOLID STATE CHEMISTRY 122 (2): 444–47.
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Publisher copy:: 10.1006/jssc.1996.0140

Authors

+ Radaelli, P More by this author

Institution:

University of Oxford

Division:

MPLS

Department:

Physics

Sub department:

Condensed Matter Physics

Role:

Author

+ Marezio, M More by this author

Role:

Author

+ Hwang, H More by this author

Role:

Author

+ Cheong, S More by this author

Role:

Author

Bibliographic Details

Journal:: JOURNAL OF SOLID STATE CHEMISTRY
Volume:: 122
Issue:: 2
Pages:: 444-447
Publication date:: 1996-03-01
DOI:: 10.1006/jssc.1996.0140
ISSN:: 0022-4596

Item Description

Pubs id:: pubs:66399
UUID:: uuid:63b7daf3-6b2c-4789-8e74-8b23dba46a8a
Local pid:: pubs:66399
Source identifiers:: 66399
Deposit date:: 2012-12-19

Terms of use

Copyright date:: 1996

Licence:: Terms and Conditions of Use for Oxford University Research Archive

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