Abstract
The elements of the first transition series, Ti, V, Cr, Mn, Fe, Co, Ni, and Cu, are of special importance for magnetism and metallurgy. The phase diagrams of these elements and their alloys with one another and elements such as C, Si and Al fill encylopedic volumes.1–5 The correlation between atom size, by various measures, and magnetic moment has long been noted.6 This correlation is readily seen by comparing the atomic concentrations of the first, second and third transition series elements as shown in Fig. 1, where the densities for the second and third series elements have been scaled for comparison with the first transition series. It seems that there is some missing density, excess volume, in Cr, Mn, Fe, Co, and Ni, all of which show ordering of magnetic moments. The main purpose of this paper is to argue that in the cases of Fe, Mn, Cr, and possibly V, artificially increasing the volume of these elements through controlled epitaxial growth may lead to higher magnetic moments and other technologically important magnetic properties. We like to call this atomic engineering, implying that we are building structures atom by atom.
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Arrott, A.S., Heinrich, B., Liu, C., Purcell, S.T. (1987). Increased Magnetic Moments in Transition Elements Through Epitaxy. In: Farrow, R.F.C., Parkin, S.S.P., Dobson, P.J., Neave, J.H., Arrott, A.S. (eds) Thin Film Growth Techniques for Low-Dimensional Structures. NATO ASI Series, vol 163. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-9145-6_16
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