NIST logo

Publication Citation: Structural Phase Transitions on Nickel at the Curie Temperature

NIST Authors in Bold

Author(s): J Hamilton; Terrence J. Jach;
Title: Structural Phase Transitions on Nickel at the Curie Temperature
Published: March 16, 1981
Abstract: It is observed that a reversible step period rearrangement on clean nickel single-crystal surfaces occurs in the immediate vicinity of the Curie temperature. Reversible carbon segregation is observed on the same crystal surfaces below the Curie point. The segregated carbon is carbidic, not graphitic, and indicates a change in the nickel surface electronic structure occurring at the ferromagnetic transition. Measured carbon coverages indicate a change greater than 0.2 eV per carbon atom in the heat of segregation at the Curie point.
Citation: Physical Review Letters
Volume: 46
Research Areas: Nanomagnetics