Transition magnetic properties

Keywords Antiferromagnet, phase transition, magnetic properties, de Haas-van Alphen effect... 

Small metal clusters are also of interest because of their importance in catalysis. Despite the fact that small clusters should consist of mostly surface atoms, measurement of the photon ionization threshold for Hg clusters suggest that a transition from van der Waals to metallic properties occurs in the range of 20-70 atoms per cluster [88] and near-bulk magnetic properties are expected for Ni, Pd, and Pt clusters of only 13 atoms [89] Theoretical calculations on Sin and other semiconductors predict that the stmcture reflects the bulk lattice for 1000 atoms but the bulk electronic wave functions are not obtained [90]. Bartell and co-workers [91] study beams of molecular clusters with electron dirfraction and molecular dynamics simulations and find new phases not observed in the bulk. Bulk models appear to be valid for their clusters of several thousand atoms (see Section IX-3). 

One of tire interesting aspects of transition-metal clusters is tlieir novel magnetic properties [91, 92, 93 and 94l]. ... 

Pastor G M, Dorantes-Davila J and Bennemann K H 1989 Size and structural dependence of the magnetic properties of small 3d-transition metal clusters Phys. Rev. B 40 7642... 

Evidence other than that of ion-exchange favours the view of the new elements as an inner transition series. The magnetic properties of their ions are very similar to those of the lanthanides whatever range of oxidation states the actinides display, they always have -1-3 as one of them. Moreover, in the lanthanides, the element gado-... 

INVESTIGATION OF GALVANO-MAGNETIC PROPERTIES OF TRANSITION METAL ALLOY SYSTEMS USING THE KUBO-GREENWOOD EQUATION... 

The magnetic properties of transition metal complexes. B. N. Figgis and J. Lewis, Prog. Inorg. 

The magnetic properties of polynuclear transition metal complexes. P. W. Ball, Coord. Chem. Rev., 1969, 4, 361-383 (150). 

One of the reasons for my having attacked this problem in 1938 was that I was thoroughly dissatisfied with the claim of some physicists that only the s electrons were involved in the cohesion of the transition metals the observed magnetic properties were said to show that the bonding in Ni involves 0.61 s electrons per atom, that in Co involves 0.71, that in Fe involves 0.22, and that in Cu involves 1 (the d shell for copper having its full complement of 10 electrons). The physical properties of these 297 0022-4596/84 3.00... 

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