Abstract
The same electron spectroscopies that are so powerful for studying surfaces generally, can be made sensitive to magnetic properties when electron spin polarization is included as a parameter, for example by probing with a spin polarized electron beam or measuring the spin polarization of emitted electrons. Such properties as the spontaneous magnetization, Curie temperature, temperature dependence of the magnetic order, anisotropy, spin-dependent electronic structure, magnetization curves, elementary excitations, and magnetic microstructure may be different from the bulk in a thin film or at the surface of a semi-infinite ferromagnet. Recent results on chemisorption induced changes in surface magnetism studied by spin polarized inverse photoemission, on magnetic surface anisotropy investigated by polarized photoemission, and on magnetic microstructure determined by scanning electron microscopy with polarization analysis, have been selected for discussion as illustrations of polarized electron studies of surface magnetism.
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