1. See, e.g., H. E. Stanley,Introduction to Phase Transition and Critical Phenomena(Oxford University Press, New York, 1971), p. 46.
2. Artificial metallic superlattices
3. C. Lu and S. D. Bader, inMagnetic Properties of Low Dimensional Systems II, edited by L. Falicov, F. Mejia-Lira, and J. L. Moran-Lopez (Springer, Berlin, 1990).
4. Curie temperature of ultrathin films of fcc-cobalt epitaxially grown on atomically flat Cu(100) surfaces
5. Finite-size scaling inFeF2/ZnF2superlattices