Magnetism in atomic-size palladium contacts and nanowires

被引：122
|
作者：
Delin, A
Tosatti, E
Weht, R
机构：
[1] Abdus Salam Int Ctr Theoret Phys, I-34100 Trieste, Italy
[2] SISSA, I-34014 Trieste, Italy
[3] DEMOCRITOS Natl Simulat Ctr, INFM, I-34014 Trieste, Italy
[4] Comis Nacl Energia Atom, Dept Fis, RA-1650 San Martin, Argentina
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 05期
关键词：
D O I：
10.1103/PhysRevLett.92.057201
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have investigated Pd nanowires theoretically, and found that, unlike either metallic or free atomic Pd, they exhibit Hund's rule magnetism. In long, monostrand nanowires, we find a spin moment of 0.7mu(B) per atom, whereas for short, monostrand nanowires between bulk leads, the predicted moment is about 0.3mu(B) per nanowire atom. In contrast, a coaxial (6,1) nanowire was found to be nonmagnetic. The origin of the nanowire magnetism is analyzed.
引用
收藏
页码：4 / 572014
页数：4
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