Azimonte, C. ; Cezar, J. C. ; Granado, E. ; Huang, Q. ; Lynn, J. W. ; Campoy, J. C. P. ; Gopalakrishnan, J. ; Ramesha, K. (2007) Incipient orbital order in half-metallic Ba2FeReO6 Physical Review Letters, 98 (1). 017204_1-017204_4. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v98/i1/e017204
Related URL: http://dx.doi.org/10.1103/PhysRevLett.98.017204
Abstract
Largely unquenched Re 5d orbital magnetic moments in half-metallic Ba2FeReO6 drive a symmetry lowering transition from a cubic paramagnet to a compressed tetragonal (c/a<1) ferrimagnet below TC-305K, with a giant linear magnetoelastic constant and the spins lying spontaneously along the unique tetragonal axis. The large orbital magnetization and degree of structural deformation indicate proximity to a metal-insulator transition. These results point to an incipient orbitally ordered state in the metallic ferrimagnetic phase.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 84285 |
| Deposited On: | 24 Feb 2012 15:35 |
| Last Modified: | 24 Feb 2012 15:35 |
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