= Ph. Buffat
{c}
{tag=Physicist}
An experimental <physicist> who coauthored measurements of size-dependent <melting> in gold <nanoparticles> with <J-P. Borel>. The experiment used <electron diffraction> on particles down to about two nanometers in diameter and compared the results with alternative thermodynamic models. It made the importance of surfaces directly measurable: a small particle need not melt at the bulk material's temperature.<Size effect on the melting temperature of gold particles by Ph. Buffat and J-P. Borel>[Abstract: minimum size, diffraction method and comparison of two equilibrium models]{ref}
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