Phonon softening on the specific heat of nanocrystalline metals.


Specific heat enhancement in several common nanocrystalline metals is established by comparison with their bulk counterparts. Measurements were carried out in Fe, Cu, Ni and binary alloy LaAl(2). The excess specific heat is evidenced as a low temperature peak below 65 K and a high temperature slope above 150 K. The experimental data are in good agreement… (More)
DOI: 10.1088/0957-4484/21/44/445702

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