Indications of phase separation in polycrystalline La1-xSrxMnO3 for x≈0.5

S. I. Patil; S. M. Bhagat; Q. Q. Shu; S. E. Lofland; S. B. Ogale; V. N. Smolyaninova; X. Zhang; B. S. Palmer; R. S. Decca; F. A. Brown; H. D. Drew; R. L. Greene; I. O. Troyanchuk; W. H. McCarroll

doi:10.1103/PhysRevB.62.9548

Indications of phase separation in polycrystalline La_1-xSr_xMnO₃ for x≈0.5

S. I. Patil, S. M. Bhagat, Q. Q. Shu, S. E. Lofland, S. B. Ogale, V. N. Smolyaninova, X. Zhang, B. S. Palmer, R. S. Decca, F. A. Brown, H. D. Drew, R. L. Greene, I. O. Troyanchuk, W. H. McCarroll

Physics

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Abstract

We present systematic studies of polycrystalline La_1-xSr_xMnO₃ 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.

Original language	English (US)
Pages (from-to)	9548-9554
Number of pages	7
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	62
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.62.9548
State	Published - Oct 1 2000

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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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 La_1-xSr_xMnO₃ for x≈0.5. Physical Review B - Condensed Matter and Materials Physics, 62(14), 9548-9554. https://doi.org/10.1103/PhysRevB.62.9548

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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.",

author = "Patil, {S. I.} and Bhagat, {S. M.} and Shu, {Q. Q.} and Lofland, {S. E.} and Ogale, {S. B.} and Smolyaninova, {V. N.} and X. Zhang and Palmer, {B. S.} and Decca, {R. S.} and Brown, {F. A.} and Drew, {H. D.} and Greene, {R. L.} and Troyanchuk, {I. O.} and McCarroll, {W. H.}",

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doi = "10.1103/PhysRevB.62.9548",

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Patil, SI, Bhagat, SM, Shu, QQ, Lofland, SE, Ogale, SB, Smolyaninova, VN, Zhang, X, Palmer, BS, Decca, RS, Brown, FA, Drew, HD, Greene, RL, Troyanchuk, IO & McCarroll, WH 2000, 'Indications of phase separation in polycrystalline La_1-xSr_xMnO₃ for x≈0.5', Physical Review B - Condensed Matter and Materials Physics, vol. 62, no. 14, pp. 9548-9554. https://doi.org/10.1103/PhysRevB.62.9548

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T1 - Indications of phase separation in polycrystalline La1-xSrxMnO3 for x≈0.5

AU - Patil, S. I.

AU - Bhagat, S. M.

AU - Shu, Q. Q.

AU - Lofland, S. E.

AU - Ogale, S. B.

AU - Smolyaninova, V. N.

AU - Zhang, X.

AU - Palmer, B. S.

AU - Decca, R. S.

AU - Brown, F. A.

AU - Drew, H. D.

AU - Greene, R. L.

AU - Troyanchuk, I. O.

AU - McCarroll, W. H.

PY - 2000/10/1

Y1 - 2000/10/1

N2 - 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.

AB - 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.

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Indications of phase separation in polycrystalline La_1-xSr_xMnO₃ for x≈0.5

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