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The temperature-dependent magnetic exchange splitting of an electronic surface state located at the S point of the Ni (110) surface Brillouin zone has been measured. The measured value of the splitting is 0. 300. 02 eV at 100 K which is equal to the exchange splitting of the bulk bands of Ni (0. 310. 04 eV) from which this surface state is derived. This result directly rules out the existence of a paramagnetic or magnetically "dead" surface layer on Ni (110).
Eberhardt et al. (1980) studied this question.