Size dependency of melting point of crystalline nano particles and nano wires: A thermodynamic modeling |
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Authors: | Eun-Ha Kim Byeong-Joo Lee |
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Affiliation: | (1) GE Global Research, 1 Research Circle, KW C1812, Niskayuna, NY, 12309 |
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Abstract: | A semi-empirical thermodynamic model for size dependency of melting point of nano particles and wires has been proposed by
introducing a size dependency of surface energy. The model predicts the size dependency of melting point of nano particles
and wires for a wide range of elements: fcc (Au, Pt, Ni), hcp (Mg), and bcc (W), all in good agreement with experimental data
and/or molecular dynamics simulations. Since the model is free from adjustable parameters, it is applicable to a wider range
of materials. |
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Keywords: | |
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