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Enhanced room temperature magnetoresistance response in textured La0.7Sr0.3MnO3 strips made by pulsed laser deposition
Magnetoresistive La0.7Sr0.3MnO3 polycrystalline films have been deposited by high laser pulse energy pulsed laser deposition that exhibit an extreme variability in the temperature of the resistance ma...
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Controlling garnet film composition by magnetic-field-controlled radio frequency magnetron sputtering
To find a way to control the compositional change in Bi-substituted garnet during sputtering, we studied the effects of controlling the cathode magnetic field. The magnetic-field-controlled rf magnetr...

Structural, magnetic, transport, and magneto-optical properties of single crystal La2/3Sr1/3MnO3 thin films

J. Appl. Phys. 87, 6773 (2000); doi:10.1063/1.372837

Issue Date: 1 May 2000

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J. F. Bobo, D. Magnoux, R. Porres, B. Raquet, J. C. Ousset, A. R. Fert, Ch. Roucau, P. Baulès, M. J. Casanove, and E. Snoeck
LPMC, UMR CNRS-INSA-UPS 5830, 31077 Toulouse Cedex 4, France
We have grown La0.7Sr0.3MnO3 thin films by reactive facing target radio frequency sputtering on SrTiO3 (001) substrates with the nominal stoichiometry and the perovskite structure down to nanometer-scale film thickness. The films are found to be perfectly expitaxied on SrTiO3, without misfit dislocations. The surfaces of the layers were found to be highly flat with terraces of [approximate]4 Å height corresponding to the manganite unit cell. Magnetic measurements evidence a decrease of the Curie temperature for decreasing thickness. Low temperature magnetoresistance is very small, confirming the absence of grain boundaries in the films but it reaches [approximate]–50% at room temperature. Finally, magneto-optical Kerr effect measurements between 20 and 400 K reveal the onset of ferromagnetic transition via the coercive field increase and the Kerr rotation and ellipticity measurements. ©2000 American Institute of Physics.
Permalink: http://link.aip.org/link/?JAPIAU/87/6773/1
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KEYWORDS and PACS

Keywords
PACS
  • 75.70.Ak
    Magnetic properties and materials Magnetic films and multilayers Magnetic properties of monolayers and thin films
  • 68.55.Jk
    Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) Thin film structure and morphology Structure and morphology; thickness
  • 73.50.Jt
    Electronic structure and electrical properties of surfaces, interfaces, and thin films Electronic transport phenomena in thin films and low-dimensional structures Galvanomagnetic and other magnetotransport effects (including thermomagnetic effects)
  • 78.66.Nk
    Optical properties, condensed-matter spectroscopy and other interactions of radiation and particles with condensed matter Optical properties of specific thin films, surfaces, and low-dimensional structures Insulators
  • 81.15.Cd
    Materials science Methods of deposition of films and coatings; film growth and epitaxy Deposition by sputtering
  • 68.35.Bs
    Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) Solid surfaces and solid–solid interfaces Surface structure and topography
  • 75.30.Kz
    Magnetic properties and materials Intrinsic properties of magnetically ordered materials Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
  • 72.20.My
    Electronic transport in condensed matter Conductivity phenomena in semiconductors and insulators Galvanomagnetic and other magnetotransport effects
  • 78.20.Ls
    Optical properties, condensed-matter spectroscopy and other interactions of radiation and particles with condensed matter Optical properties of bulk materials and thin films Magnetooptical effects
  • 75.60.Ej
    Magnetic properties and materials Domain effects, magnetization curves, and hysteresis Magnetization curves, hysteresis, Barkhausen and related effects
  • YEAR: 2000

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PUBLICATION DATA

ISSN:
0021-8979 (print)   1089-7550 (online)
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REFERENCES (9)
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