Photoinduced coherent magnetization precession in epitaxial La0.67 Ca0.33 MnO3 films

D. Talbayev, H. Zhao, G. Lüpke, A. Venimadhav, Qi Li

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Optically excited uniform magnetization precession in the ferromagnetic state of La0.67 Ca0.33 MnO3 films grown on different substrates is investigated by the time-resolved magneto-optic Kerr effect. The parameters of magnetic anisotropy are determined from the measured field dependence of the precession frequency. The dominant anisotropy contribution in the film grown on SrTiO3 (001) is the strain-induced easy-plane anisotropy. In the strain-free films on NdGaO3 (110), we discover a uniaxial in-plane anisotropy that results from the interface due to the tilting of the oxygen octahedra in NdGaO3.

Original languageEnglish (US)
Article number014417
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume73
Issue number1
DOIs
StatePublished - Feb 27 2006

Fingerprint

precession
Magnetization
Anisotropy
magnetization
anisotropy
Magnetooptical effects
Magnetic anisotropy
magneto-optics
Kerr effects
Oxygen
Substrates
oxygen

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

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abstract = "Optically excited uniform magnetization precession in the ferromagnetic state of La0.67 Ca0.33 MnO3 films grown on different substrates is investigated by the time-resolved magneto-optic Kerr effect. The parameters of magnetic anisotropy are determined from the measured field dependence of the precession frequency. The dominant anisotropy contribution in the film grown on SrTiO3 (001) is the strain-induced easy-plane anisotropy. In the strain-free films on NdGaO3 (110), we discover a uniaxial in-plane anisotropy that results from the interface due to the tilting of the oxygen octahedra in NdGaO3.",
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Photoinduced coherent magnetization precession in epitaxial La0.67 Ca0.33 MnO3 films. / Talbayev, D.; Zhao, H.; Lüpke, G.; Venimadhav, A.; Li, Qi.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 73, No. 1, 014417, 27.02.2006.

Research output: Contribution to journalArticle

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T1 - Photoinduced coherent magnetization precession in epitaxial La0.67 Ca0.33 MnO3 films

AU - Talbayev, D.

AU - Zhao, H.

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AU - Venimadhav, A.

AU - Li, Qi

PY - 2006/2/27

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AB - Optically excited uniform magnetization precession in the ferromagnetic state of La0.67 Ca0.33 MnO3 films grown on different substrates is investigated by the time-resolved magneto-optic Kerr effect. The parameters of magnetic anisotropy are determined from the measured field dependence of the precession frequency. The dominant anisotropy contribution in the film grown on SrTiO3 (001) is the strain-induced easy-plane anisotropy. In the strain-free films on NdGaO3 (110), we discover a uniaxial in-plane anisotropy that results from the interface due to the tilting of the oxygen octahedra in NdGaO3.

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