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Applied Physics Letters / Volume 97 / Issue 1 / NANOSCALE SCIENCE AND DESIGN

Appl. Phys. Lett. 97, 013105 (2010); http://dx.doi.org/10.1063/1.3455323 (3 pages)

Local electronic and magnetic studies of an artificial La2FeCrO6 double perovskite

Benjamin Gray1, Ho Nyung Lee2, Jian Liu1, J. Chakhalian1, and J. W. Freeland3

1Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701, USA
2Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
3Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA

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(Received 19 April 2010; accepted 27 May 2010; published online 8 July 2010)

Through the utilization of element-resolved polarized x-ray probes, the electronic and magnetic state of an artificial La2FeCrO6 double perovskite were explored. Applying unit-cell level control of thin film growth on SrTiO3(111), the rock salt double perovskite structure can be created for this system, which does not have an ordered perovskite phase in the bulk. We find that the Fe and Cr are in the proper 3+ valence state, but, contrary to previous studies, the element-resolved magnetic studies find the moments in field are small and show no evidence of sizable magnetic moments in the remanent state. Based on our findings, we argue that the ground state is consistent with canted antiferromagnetic order.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

iron compounds, lanthanum compounds, magnetic moments, magnetic thin films, remanence

PACS

  • 75.70.-i

    Magnetic properties of thin films, surfaces, and interfaces

  • 75.60.Ej

    Magnetization curves, hysteresis, Barkhausen and related effects

  • 75.30.Cr

    Saturation moments and magnetic susceptibilities

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3455323

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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