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Article Dans Une Revue Materials Letters Année : 2022

Spin-lattice coupling in an epitaxial NdFeO3 thin film

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1
M. A. Khaled
J. Ruvalcaba
  • Fonction : Auteur
T. Fraga Cordova
  • Fonction : Auteur

Résumé

Rare-earth orthoferrite RFeO3 materials such as NdFeO3 are strongly studied because of their fascinating magnetic properties and their potential applications. Here, we show the successful epitaxial synthesis of parasitic-free NFO thin film by pulsed laser deposition on (001)-SrTiO3. High-resolution X-ray diffraction shows a coherent growth and a tetragonal-like structure of a tensile strained 80 nm thick NFO film in contrast with the bulk orthorhombic state. Room temperature magnetometry indicates a bulk-like antiferromagnetic state for the NFO film. Temperature-dependent X-ray diffraction and magnetometry highlight a significant spin-lattice coupling at the Neel Temperature while a new magneto-structural instability is discovered around 250 degrees C that needs further investigation.

Dates et versions

hal-03627233 , version 1 (01-04-2022)

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Citer

M. A. Khaled, J. Ruvalcaba, T. Fraga Cordova, M. El Marssi, H. Bouyanfif. Spin-lattice coupling in an epitaxial NdFeO3 thin film. Materials Letters, 2022, 309, ⟨10.1016/j.matlet.2021.131442⟩. ⟨hal-03627233⟩
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