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Epitaxial growth and properties of ferromagnetic co-doped TiO2 anatase
Abstract
We have used oxygen-plasma-assisted molecular-beam epitaxy (OPA-MBE) to grow CoxTi1−xO2 anatase on SrTiO3(001) for x=∼0.01–0.10, and have measured the structural, compositional, and magnetic properties of the resulting films. Whether epitaxial or polycrystalline, these CoxTi1−xO2 films are ferromagnetic semiconductors at and above room temperature. However, the magnetic and structural properties depend critically on the Co distribution, which varies widely with growth conditions. Co is substitutional in the anatase lattice and in the +2 formal oxidation state in ferromagnetic CoxTi1−xO2. The magnetic properties of OPA-MBE grown material are significantly better than those of analogous pulsed laser deposition-grown material.
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Citations
Cited by
The surface science of titanium dioxide
Diebold, U. (2003) · Surface Science Reports · doi:10.1016/s0167-5729(02)00100-0 · Cited by 7,944
Self-citationWhy is anatase a better photocatalyst than rutile? - Model studies on epitaxial TiO2 films
Luttrell, T., Halpegamage, S., Tao, J., Kramer, A., Sutter, E., & Batzill, M. (2014) · Scientific Reports · doi:10.1038/srep04043 · Cited by 1,544
Near Monodisperse TiO2 Nanoparticles and Nanorods
Li, X., Peng, Q., Yi, J., Wang, X., & Li, Y. (2006) · Chemistry – A European Journal · doi:10.1002/chem.200500893 · Cited by 175
Metadata
- Authors
- Chambers, S. A., Thevuthasan, S., Farrow, R. F. C., Marks, R. F., Thiele, J. U., Folks, L., Samant, M. G., Kellock, A. J., Ruzycki, N., Ederer, D. L., & Diebold, U.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2001-11-19
- Volume
- 79
- Issue
- 21
- Pages
- 3467-3469
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2003887133
- Cited by
- 398
- References
- 0
- FWCI
- 30.73
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chambers, S. A., Thevuthasan, S., Farrow, R. F. C., Marks, R. F., Thiele, J. U., Folks, L., Samant, M. G., Kellock, A. J., Ruzycki, N., Ederer, D. L., & Diebold, U. (2001). Epitaxial growth and properties of ferromagnetic co-doped TiO2 anatase. Applied Physics Letters. https://doi.org/10.1063/1.1420434
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