Patil, S. I. ; Bhagat, S. M. ; Shu, Q. Q. ; Lofland, S. E. ; Ogale, S. B. ; Smolyaninova, V. N. ; Zhang, X. ; Palmer, B. S. ; Decca, R. S. ; Brown, F. A. ; Drew, H. D. ; Greene, R. L. ; Troyanchuk, I. O. ; McCarroll, W. H. (2000) Indications of phase separation in polycrystalline La1-xSrxMnO3 for x≈0.5 Physical Review B, 62 (14). pp. 9548-9554. ISSN 0163-1829
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Official URL: http://prb.aps.org/abstract/PRB/v62/i14/p9548_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.62.9548
Abstract
We present systematic studies of polycrystalline La1-xSrxMnO3 where x is varied from 0.46 to 0.53 at 0.01 intervals. We have measured the magnetic resonance, ac susceptibility, dc magnetization, x-ray diffraction, four-probe resistivity, and optical reflectivity. The data seem to indicate that, at low T, the materials are intimate mixtures of ferromagnetic and antiferromagnetic microregions. For x>0.48 we observe anomalies pointing toward charge ordering on lowering T. An effective-medium theory is presented, and an appropriate phase diagram is proposed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 26870 |
| Deposited On: | 08 Dec 2010 13:03 |
| Last Modified: | 11 Jun 2011 11:23 |
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