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  Jahn-Teller transition in La1–xSrxMnO3 in the low-doping region (0<x< ̴0.1)

Chatterji, T., Ouladdiaf, B., Mandal, P., Bandyopadhyay, B., & Ghosh, B. (2002). Jahn-Teller transition in La1–xSrxMnO3 in the low-doping region (0<x< ̴0.1). Physical Review B, 66(5): 054403. Retrieved from http://ojps.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRBMDO000066000005054403000001&idtype=cvips&gifs=yes&jsessionid=1065391053941901534.

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 Creators:
Chatterji, T.1, Author           
Ouladdiaf, B., Author
Mandal, P., Author
Bandyopadhyay, B., Author
Ghosh, B., Author
Affiliations:
1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 MPIPKS: Superconductivity and magnetism
 Abstract: We have investigated the Jahn-Teller transition in La1-xSrxMnO3 by high-temperature powder neutron diffraction in the low- doping region (0<x&LE;0.1). The Jahn-Teller transition temperature which is about T-JT&AP;750 K for stoichiometric LaMnO3 is drastically reduced on doping with Sr, becoming T- JT&AP;475 K for x=0.10. The previously identified metrically cubic orthorhombic O phase (Pmnb) for x=0 becomes clearly (also metrically) orthorhombic for small doping x=0.05 and remains so in the doping range investigated. The Jahn-Teller transition is accompanied only by the partial reduction of the distortion of the MnO6 octahedra. From the distortion of the MnO6 octahedra we have determined the orbital mixing coefficients.

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Language(s): eng - English
 Dates: 2002-08-01
 Publication Status: Issued
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 Rev. Type: Peer
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Title: Physical Review B
  Alternative Title : Phys. Rev. B
Source Genre: Journal
 Creator(s):
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Publ. Info: -
Pages: - Volume / Issue: 66 (5) Sequence Number: 054403 Start / End Page: - Identifier: ISSN: 0163-1829