Abstract
We have investigated as-grown sputtered films of La0.7Ca0.3MnO3 in a thickness range between 5 and 200 nm on SrTiO3 substrates. The films are epitaxial, strained, and smooth. All films order magnetically around 175 K. Very thin films show full magnetization at low temperatures, but the temperature of the metal–insulator transition is appreciably lower than the magnetic ordering temperature. In thick films, the magnetization is much lower than expected. Both effects are probably related to structural disorder as found by transmission electron microscopy.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:43 a.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 9:30 a.m.) |
Indexed | 11 months, 3 weeks ago (Sept. 10, 2024, 11:13 p.m.) |
Issued | 27 years, 2 months ago (June 8, 1998) |
Published | 27 years, 2 months ago (June 8, 1998) |
Published Print | 27 years, 2 months ago (June 8, 1998) |
@article{Aarts_1998, title={Disorder effects in epitaxial thin films of (La,Ca)MnO3}, volume={72}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.121512}, DOI={10.1063/1.121512}, number={23}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Aarts, J. and Freisem, S. and Hendrikx, R. and Zandbergen, H. W.}, year={1998}, month=jun, pages={2975–2977} }