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Structural domains in antiferromagnetic LaFeO3 thin films

  • Jin Won Seo EMAIL logo , Christel Dieker , Jean Fompeyrine , Heinz Siegwart and Jean-Pierre Locquet
Published/Copyright: February 12, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 97 Issue 7

Abstract

We have grown epitaxial LaFeO3 thin films on different oxide substrates by molecular beam epitaxy and investigated them using transmission electron microscopy. The films reveal structural domains that strongly depend on the substrate material, substrate orientation, and the film thickness. On (001) perovskite substrates of SrTiO3 and LaAlO3, the long c-axis of the orthorhombic unit cell was found always to lie in-plane parallel to one of the <100> axes of the perovskite forming 90° rotational twins with the rotation axis parallel to the [110] axis of LaFeO3 and to the substrate normal. In contrast, MgO and MgAl2O4 substrates lead to the in-plane and the out-of-plane orientation of the c-axis and give rise to smaller domains. The results are discussed with respect to the correlation between the crystallographic and the antiferromagnetic structure of LaFeO3.

Keywords: LaFeO3; Antiferromagnetic oxide; Thin films; Structural domains

Dedicated to Professor Dr. Knut Urban on the occasion of his 65th birthday

Jin Won Seo Institute of Physics of Complex Matter IPMC-LNNME EPFL, PH-D3–385 (Bâtiment PH), Station 3 CH-1015 Lausanne, Switzerland Tel.: +41 21 693 5479 Fax: +41 21 693 4470

Funding statement: We acknowledge stimulating discussion with E. E. Fullerton, F. Nolting, A. Scholl, J. Lüning, S. Raoux, J. Stöhr, A. Hoffmann, I. K. Schuller and T. Ramsvik. J. W. S. thanks P. Stadelmann for his help in JEMS simulation program. This work was supported by the Swiss National Science Foundation

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Received: 2006-02-01
Accepted: 2006-03-15
Published Online: 2022-02-12

© 2006 Carl Hanser Verlag, München

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https://doi.org/10.1515/ijmr-2006-0150
Keywords for this article
LaFeO3; Antiferromagnetic oxide; Thin films; Structural domains

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Professor Dr. Knut Urban 65 Years
  4. Basic
  5. Ordering processes and atomic defects in FeCo
  6. Atomic resolution electron tomography: a dream?
  7. Electron tomography of microelectronic device interconnects
  8. Aberration correction in electron microscopy
  9. Off-axis electron holography: Materials analysis at atomic resolution
  10. Determination of phases of complex scattering amplitudes and two-particle structure factors by investigating diffractograms of thin amorphous foils
  11. Prospects of the multislice method for CBED pattern calculation
  12. Electron energy-loss spectrometry for metals:some thoughts beyond microanalysis
  13. Quantitative assessment of nanoparticle size distributions from HRTEM images
  14. Quantitative microstructural and spectroscopic investigation of inversion domain boundaries in sintered zinc oxide ceramics doped with iron oxide
  15. Structural domains in antiferromagnetic LaFeO3 thin films
  16. Short-range order of liquid Ti72.3Fe27.7 investigated by a combination of neutron scattering and X-ray diffraction
  17. Extended interfacial structure between two asymmetrical facets of a Σ = 9 grain boundary in copper
  18. Dislocation imaging in fcc colloidal single crystals
  19. Applied
  20. Omega phase transformation – morphologies and mechanisms
  21. Mixed (Sr1 − xCax)33Bi24Al48O141 fullerenoids: the defect structure analysed by (S)TEM techniques
  22. Wetting of aluminium-based complex metallic alloys
  23. Annealing-induced phase transitions in a Zr–Ti–Nb–Cu–Ni–Al bulk metallic glass matrix composite containing quasicrystalline precipitates
  24. Special planar defects in the structural complex metallic alloys of Al–Pd–Mn and Al–Ni–Rh
  25. On the formation of Si nanowires by molecular beam epitaxy
  26. Self-induced oscillations in Si and other semiconductors
  27. Growth, interface structure, and magnetic properties of Fe/GaAs and Fe3Si/GaAs hybrid systems
  28. An investigation of improved titanium/titanium nitride barriers for submicron aluminum-filled contacts by energy-filtered transmission electron microscopy
  29. Radiation damage during HRTEM studies in pure Al and Al alloys
  30. Cross-sectional high-resolution transmission electron microscopy at Mo/Si multilayer stacks
  31. Structural properties of the fiber –matrix interface in carbon-fiber/carbon-matrix composites and interfaces between carbon layers and planar substrates
  32. Microstructure and properties of surface-treated Timetal 834
  33. Notifications
  34. Personal
  35. Conferences
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