Optical band gap and magnetic properties of unstrained EuTiO{sub 3} films
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853 (United States)
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802 (United States)
- Department of Electrical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802 (United States)
- School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853 (United States)
- Institute of Bio- and Nano-Systems, IBN-1, Juelich GmbH and Juelich-Aachen Research Alliance, JARA-FIT, Juelich 52425 (Germany)
- Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439 (United States)
Phase-pure, stoichiometric, unstrained, epitaxial (001)-oriented EuTiO{sub 3} thin films have been grown on (001) SrTiO{sub 3} substrates by reactive molecular-beam epitaxy. Magnetization measurements show antiferromagnetic behavior with T{sub N}=5.5 K, similar to bulk EuTiO{sub 3}. Spectroscopic ellipsometry measurements reveal that EuTiO{sub 3} films have a direct optical band gap of 0.93{+-}0.07 eV.
- OSTI ID:
- 21294107
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 21 Vol. 94; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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