Abstract
Neutron diffraction measurements were made on artificial superlattices of CoO-NiO, (CoO)m(NiO)n×l prepared on the (0001) surface of α-Al2O3. (111) layers of CoO and NiO, each less than 2 nm thick (2≤m,n≤8), were stacked alternatively to a total thickness of less than 70 nm (m+n≤15,l≤25). A well-defined magnetic Bragg peak indexed as (1/2 1/2 1/2) was observed for all the samples, and a magnetic structure of type FCC2 with the spin axis lying in the (111) planes grown was suggested. The temperature dependence of the magnetic peak intensity revealed a sharp, single magnetic transition. The Néel temperature was found to vary as a linear function of n/(m+n).
References
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 9:02 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 2, 2024, 4:54 p.m.) |
Indexed | 2 weeks, 1 day ago (Aug. 6, 2025, 8:19 a.m.) |
Issued | 38 years, 1 month ago (July 20, 1987) |
Published | 38 years, 1 month ago (July 20, 1987) |
Published Print | 38 years, 1 month ago (July 20, 1987) |
@article{Takano_1987, title={Neutron diffraction study of artificial CoO-NiO superlattices}, volume={51}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.98924}, DOI={10.1063/1.98924}, number={3}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Takano, M. and Terashima, T. and Bando, Y. and Ikeda, H.}, year={1987}, month=jul, pages={205–206} }