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ID:
478515.0,
MPI für Physik Komplexer Systeme / Superconductivity and magnetism |
Jahn-Teller transition in La1–xSrxMnO3 in the low-doping region (0<x< ̴0.1) |
Authors: | Chatterji, T.; Ouladdiaf, B.; Mandal, P.; Bandyopadhyay, B.; Ghosh, B. | Language: | English | Date of Publication (YYYY-MM-DD): | 2002-08-01 | Title of Journal: | Physical Review B | Journal Abbrev.: | Phys. Rev. B | Volume: | 66 | Issue / Number: | 5 | Sequence Number of Article: | 054403 | Review Status: | Peer-review | Audience: | Not Specified | Abstract / Description: | 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. | External Publication Status: | published | Document Type: | Article |
Communicated by: | Heidrun Näther | Affiliations: | MPI für Physik Komplexer Systeme/Visitors Program
| External Affiliations: | Inst Max Von Laue Paul Langevin, BP 156, F-38042 Grenoble 9,; France; Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France; Max Planck Inst Phys Komplexer Syst, Dresden, Germany; Saha Inst Nucl Phys, Calcutta 700064, W Bengal, India
| Identifiers: | ISI:000177873000068 ISSN:0163-1829 URL:http://ojps.aip.org/getabs/servlet/GetabsServlet?p... | |
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