期刊
APPLIED PHYSICS LETTERS
卷 103, 期 7, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4818493
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资金
- Deutsche Forschungsgemeinschaft (DFG) [HA 1344/23-1, HA 1344/28-1]
- State of Hessen at the TU Darmstadt
- NES program at KIT
- Alexander-von-Humboldt Foundation
The possibility to synthesize bulk amorphous materials with an internal nanostructure-nanoglasses-leads to yet another class of materials potentially with modified properties. Here, evidence is presented that the nanoglass model system Fe90Sc10 exhibits enhanced magnetic properties: it is shown that this nanoglass (prepared by cold compaction of glassy nanospheres) is a ferromagnet at ambient temperature although the isolated nanospheres are paramagnetic. Structural studies reveal that it consists of glassy nanospheres connected by regions with reduced atomic density. The ferromagnetism is explained by the presence of such regions of low atomic density. (C) 2013 AIP Publishing LLC.
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