By J.J.M. Franse, R. Gersdorf (auth.), H.P.J. Wijn (eds.)
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Additional info for 3d, 4d and 5d Elements, Alloys and Compounds
Comparison of the measured (solid circles) ant calculated (open circles) free atom magnetic form factors o Ni. Thc measured magnetic form factor was determined from the first 27 Bragg reflections. 019 pa/A3,aspincontribution obtained fron unrestricted Hartrcc-Fock calculations for Ni + + [60 W 1 61 W 43, an orbital part and a core contribution [66 M 21 The inelastic magnetic form factor in the [ 1001directior was found to be the same as that ofthe elastic form facto] [8l S I]. sin 0 /1 - Stearns Ref.
Wavevector of momentum transfer: Q = 471sin O/L. The solid line emphasizes the almost sphcrical symmetry of the hexagonal form factor. The form factor for Co showed no dependence on temperature between 78 and 300K. 7 / B & 1 . 5 I -A I Fig. 6. Projection of magnetic moment density on has; plane of hcp Co. Lower right diagram shows projecte position of atoms in orthorhombic unit cell. 0 Yi’ Iu Fig. 7. Comparison of the measured (solid circles) ant calculated (open circles) free atom magnetic form factors o Ni.
3) and are attributed to the various small contributions such as the orbital and spin susceptibilities of the 3d and 4s electrons in high fields. 6 Fe, Co, Ni: magnetostriction Ref. p. 1341 Table la. rl for a single crystal of Fe at various temperatures [61 G 11. 5(1)~10-‘00e-’ and h;, h; of the order of +l. 10-lOOe-’ found by [65 S 21 over the whole temperature range. was Table lb. Coefficients of forced linear magnetostriction of Fe at 293 K. 20 A; Ref. 8 68W2 56Cl . 1 800 1000 K 1200 Fig. 1.