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Published on: October 5, 2013
Structural and magnetic properties of evaporated nanostructured Fe/V multilayers
N H Duc1, L Lechevallier, A Fnidiki
1Groupe de Physique des Matériaux, UMR CNRS 6634, Université de Rouen, France.
Journal of Nanoscience and Nanotechnology
|August 12, 2003
Summary
This study investigated iron/vanadium multilayers, finding that iron spins align parallel to the film plane. This parallel magnetic anisotropy arises from reduced symmetry effects on hybridized 3d states.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Nanotechnology
Background:
- Multilayered thin films are crucial in advanced technological applications.
- Understanding the interplay between structural and magnetic properties is key for material design.
Purpose of the Study:
- To investigate the structural and magnetic characteristics of iron/vanadium (Fe/V) multilayers.
- To determine the influence of varying Fe layer thicknesses on magnetic properties.
- To elucidate the origin of magnetic anisotropy in these systems.
Main Methods:
- X-ray reflectivity and high-angle X-ray diffraction for structural analysis.
- Conversion-electron Mössbauer spectrometry for magnetic property assessment.
- Vibrating sample magnetometry for magnetic characterization.
Main Results:
- Formation of multilayers with broad Fe/V interfaces and crystalline bcc-Fe layers.
- Fe spin orientation consistently aligned in the film plane across all layers.
- Estimation of interfacial anisotropy constant (Ks) at 0.04 mJ/m².
Conclusions:
- The observed parallel magnetic anisotropy is attributed to reduced symmetry effects.
- Hybridized 3d states at the interface play a significant role in determining magnetic behavior.
- Fe/V multilayers exhibit controllable magnetic properties suitable for potential applications.
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