The electronic structure of strained thin films of Gd has been studied with spin-and angle-resolved photoemission and spin-polarized inverse photoemission. The spin-dependent electronic structure is dominated by a very distinct k dependence of the exchange splitting. The surface magnetic structure is observed to be different from that of the bulk, as indicated by the different electronic structure and a much higher surface Curie temperature. The 4% strain within the Gd films results in an enhanced Curie temperature.
Waldfried, C.; McAvoy, T.; Welipitiya, D.; Dowben, Peter A.; and Vescovo, Elio, "The influence of enhanced surface magnetism on finite-size scaling" (1998). Peter Dowben Publications. 95.
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