期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 13, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.135901
关键词
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资金
- Alexander von Humboldt Foundation
- DFG
The effect of annealing on the low-temperature heat capacity of a bulk Pd38.5Ni40P21.5 metallic glass is investigated for as-quenched and deformed (rolled) states. Although the boson heat capacity peak increases with increasing strain, it relaxes faster and to a lower level compared to that of the as-quenched state after annealing treatments both below and above the glass transition temperature T-g. The glass is found to retain a certain memory on the room-temperature plastic deformation even after annealing above T-g. Indications for two counteracting processes that might be related to different types of shear bands are observed.
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