期刊
PHYSICAL REVIEW LETTERS
卷 90, 期 22, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.90.226402
关键词
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The local and average orbital moments of transition-metal (TM) clusters are determined bridging the gap between atomic Hund's rules and solid-state quenching. A remarkable enhancement of is revealed in agreement with recent measurements. In small Ni-N (Nless than or equal to10), represents (20-40)% of the total magnetization and is therefore crucial for the comparison between theory and experiment. Larger clusters (Ngreater than or equal to150) show nearly bulklike quenching at the interior but retain a considerable surface enhancement. Trends for different TM's are discussed.
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