Jahn-Teller phonon anomaly and dynamic phase fluctuations in La0.7Ca0.3MnO3

Jiandi Zhang; Pengcheng Dai; J. A. Fernandez-Baca; E. W. Plummer; Y. Tomioka; Y. Tokura

doi:10.1103/PhysRevLett.86.3823

Jahn-Teller phonon anomaly and dynamic phase fluctuations in La_0.7Ca_0.3MnO₃

Jiandi Zhang, Pengcheng Dai, J. A. Fernandez-Baca, E. W. Plummer, Y. Tomioka, Y. Tokura

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Abstract

The phonon band structure and the T-dependent behavior of some optical phonons in La_0.7Ca_0.3MnO₃ were studied. One of the JT stretching phonons along the Mn-O-Mn binding directions exhibited anomalous damping as the temperature approaches T_C and collapses above T_C.

Original language	English
Pages (from-to)	3823-3826
Number of pages	4
Journal	Physical Review Letters
Volume	86
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.86.3823
State	Published - Apr 23 2001

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title = "Jahn-Teller phonon anomaly and dynamic phase fluctuations in La0.7Ca0.3MnO3",

abstract = "The phonon band structure and the T-dependent behavior of some optical phonons in La0.7Ca0.3MnO3 were studied. One of the JT stretching phonons along the Mn-O-Mn binding directions exhibited anomalous damping as the temperature approaches TC and collapses above TC.",

author = "Jiandi Zhang and Pengcheng Dai and Fernandez-Baca, {J. A.} and Plummer, {E. W.} and Y. Tomioka and Y. Tokura",

year = "2001",

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doi = "10.1103/PhysRevLett.86.3823",

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T1 - Jahn-Teller phonon anomaly and dynamic phase fluctuations in La0.7Ca0.3MnO3

AU - Zhang, Jiandi

AU - Dai, Pengcheng

AU - Fernandez-Baca, J. A.

AU - Plummer, E. W.

AU - Tomioka, Y.

AU - Tokura, Y.

PY - 2001/4/23

Y1 - 2001/4/23

N2 - The phonon band structure and the T-dependent behavior of some optical phonons in La0.7Ca0.3MnO3 were studied. One of the JT stretching phonons along the Mn-O-Mn binding directions exhibited anomalous damping as the temperature approaches TC and collapses above TC.

AB - The phonon band structure and the T-dependent behavior of some optical phonons in La0.7Ca0.3MnO3 were studied. One of the JT stretching phonons along the Mn-O-Mn binding directions exhibited anomalous damping as the temperature approaches TC and collapses above TC.

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U2 - 10.1103/PhysRevLett.86.3823

DO - 10.1103/PhysRevLett.86.3823

M3 - Article

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EP - 3826

JO - Physical Review Letters

JF - Physical Review Letters

IS - 17

ER -

Jahn-Teller phonon anomaly and dynamic phase fluctuations in La_0.7Ca_0.3MnO₃

Abstract

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