Fe3O4/MgO/Fe Heteroepitaxial Structures for Magnetic Tunnel Junctions
Journal Article
·
· IEEE Transactions on Magnetics
- University of Zaragoza, Spain
- Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, 50009 Spain
- Oak Ridge National Laboratory (ORNL)
- CEMES-CNRS, Toulouse, France
- Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, Zaragoza, 50009 Spain
In this work we report the growth and structural and magnetic characterization of heteroepitaxial Fe O/MgO/Fe junctions. All three layers have been deposited by pulsed laser deposition. Combining High Resolution Transmission Electron Microscopy and X-ray results, we have obtained for the heterostructure the epitaxy relation MgO(001) [100]//Fe O(001)[100]/MgO(001) [100]/Fe(001)[110]. All interfaces appear very sharp with relatively small root-mean square (rms) roughness, 0.2 nm. The magnetic coupling between Fe O and Fe electrodes is also very small, 0.03 mJ/
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC05-00OR22725
- OSTI ID:
- 1050919
- Journal Information:
- IEEE Transactions on Magnetics, Vol. 44, Issue 11; ISSN 0018-9464
- Country of Publication:
- United States
- Language:
- English
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