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Optical band gap of BiFeO3 grown by molecular-beam epitaxy
Abstract
Bi Fe O 3 thin films have been deposited on (001) SrTiO3 substrates by adsorption-controlled reactive molecular-beam epitaxy. For a given bismuth overpressure and oxygen activity, single-phase BiFeO3 films can be grown over a range of deposition temperatures in accordance with thermodynamic calculations. Four-circle x-ray diffraction reveals phase-pure, epitaxial films with ω rocking curve full width at half maximum values as narrow as 29arcsec (0.008°). Multiple-angle spectroscopic ellipsometry reveals a direct optical band gap at 2.74eV for stoichiometric as well as 5% bismuth-deficient single-phase BiFeO3 films.
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Cites
Thermo-Calc & DICTRA, computational tools for materials science
Andersson, J.-O., Helander, T., Höglund, L., Shi, P., & Sundman, B. (2002) · Calphad · doi:10.1016/s0364-5916(02)00037-8 · Cited by 4,322
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Guo, R., You, L., Zhou, Y., Shiuh Lim, Z., Zou, X., Chen, L., Ramesh, R., & Wang, J. (2013) · Nature Communications · doi:10.1038/ncomms2990 · Cited by 507
Self-citationBiFeO3epitaxial thin films and devices: past, present and future
Sando, D., Barthélémy, A., & Bibes, M. (2014) · Journal of Physics: Condensed Matter · doi:10.1088/0953-8984/26/47/473201 · Cited by 353
Zhang, Y., Sun, J., Perdew, J. P., & Wu, X. (2017) · Physical Review B · doi:10.1103/physrevb.96.035143 · Cited by 258
Terahertz wave generation via optical rectification from multiferroic BiFeO3
Talbayev, D., Lee, S., Cheong, S.-W., & Taylor, A. J. (2008) · Applied Physics Letters · doi:10.1063/1.3036526 · Cited by 36
Metadata
- Authors
- Ihlefeld, J. F., Podraza, N. J., Liu, Z. K., Rai, R. C., Xu, X., Heeg, T., Chen, Y. B., Li, J., Collins, R. W., Musfeldt, J. L., Pan, X. Q., Schubert, J., Ramesh, R., & Schlom, D. G.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2008-04-07
- Volume
- 92
- Issue
- 14
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1590887373
- Cited by
- 384
- References
- 1
- FWCI
- 6.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ihlefeld, J. F., Podraza, N. J., Liu, Z. K., Rai, R. C., Xu, X., Heeg, T., Chen, Y. B., Li, J., Collins, R. W., Musfeldt, J. L., Pan, X. Q., Schubert, J., Ramesh, R., & Schlom, D. G. (2008). Optical band gap of BiFeO3 grown by molecular-beam epitaxy. Applied Physics Letters. https://doi.org/10.1063/1.2901160
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