Journal of Experimental and Theoretical Physics

, volume 102 , issue 4 , pages 671-676

Features of low-frequency spin dynamics in manganite LaMnO3 according to 139La NMR data

S.A. Lekomtsev ¹

K N Mikhalev ¹

A.Yu. Yakubovskii ²

A. R. Kaul ³

Hide authors affiliations Show authors affiliations: 3 affiliations

Institute of Metal Physics, Ural division, Russian Academy of Sciences, Yekaterinburg, Russia |

Russian Research Center Kurchatov Institute, Moscow, Russia |

Moscow State University, Vorob’evy Gory, Moscow, Russia |

Publication type: Journal Article

Publication date: 2006-04-01

Pleiades Publishing

Journal of Experimental and Theoretical Physics

scimago Q3

wos Q3

SJR: 0.240

CiteScore: 2.2

Impact factor: 0.8

ISSN: 10637761, 10906509

DOI: 10.1134/S1063776106040170

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General Physics and Astronomy

Abstract

The spin-lattice and spin-spin relaxation times of 139La are measured in manganite LaMnO3. Analysis of the frequency dependence of the spin-lattice relaxation rate in the paramagnetic temperature range shows that this quantity is determined by magnetic fluctuations. The magnitude of the fluctuating field is estimated. It is shown that the correlation time for spin fluctuations varies with temperature in accordance with the Arrhenius law. The high value of the spin-spin relaxation rate in the paramagnetic region can be due to strong anisotropy of fluctuating magnetic fields at La nuclei.

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Lekomtsev S. et al. Features of low-frequency spin dynamics in manganite LaMnO3 according to 139La NMR data // Journal of Experimental and Theoretical Physics. 2006. Vol. 102. No. 4. pp. 671-676.

GOST all authors (up to 50) Copy

Lekomtsev S., Mikhalev K. N., Yakubovskii A., Kaul A. R. Features of low-frequency spin dynamics in manganite LaMnO3 according to 139La NMR data // Journal of Experimental and Theoretical Physics. 2006. Vol. 102. No. 4. pp. 671-676.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1134/S1063776106040170

UR - https://doi.org/10.1134/S1063776106040170

TI - Features of low-frequency spin dynamics in manganite LaMnO3 according to 139La NMR data

T2 - Journal of Experimental and Theoretical Physics

AU - Lekomtsev, S.A.

AU - Mikhalev, K N

AU - Yakubovskii, A.Yu.

AU - Kaul, A. R.

PY - 2006

DA - 2006/04/01

PB - Pleiades Publishing

SP - 671-676

IS - 4

VL - 102

SN - 1063-7761

SN - 1090-6509

ER -

BibTex |

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BibTex (up to 50 authors) Copy

@article{2006_Lekomtsev,

author = {S.A. Lekomtsev and K N Mikhalev and A.Yu. Yakubovskii and A. R. Kaul},

title = {Features of low-frequency spin dynamics in manganite LaMnO3 according to 139La NMR data},

journal = {Journal of Experimental and Theoretical Physics},

year = {2006},

volume = {102},

publisher = {Pleiades Publishing},

month = {apr},

url = {https://doi.org/10.1134/S1063776106040170},

number = {4},

pages = {671--676},

doi = {10.1134/S1063776106040170}

}

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Lekomtsev, S.A., et al. “Features of low-frequency spin dynamics in manganite LaMnO3 according to 139La NMR data.” Journal of Experimental and Theoretical Physics, vol. 102, no. 4, Apr. 2006, pp. 671-676. https://doi.org/10.1134/S1063776106040170.