Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials
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The influence of surface and interphase characteristics on the behavior of the phase diagram of nanoparticles of the paladium-platinum alloy

L.P. Aref`eva1, I.G. Shebzukhova2

1 Don State Technical University
2 Kabardino-Balkarian State University named after H.M. Berbekov

DOI: 10.26456/pcascnn/2020.12.243

Original article

Abstract: The melting and crystallization temperatures have been calculated and the phase diagram of Pd – Pt metal particles of 10 nm in size has been constructed. The surface and interfacial energies, their temperature and size dependences were estimated by a modified electron-statistical method. It was found that the form of the phase diagram for Pd – Pt nanoparticles has significant differences from the diagram of bulk phases, including the melting-crystallization hysteresis.

Keywords: size effects, melting temperature, crystallization temperature, phase diagram, melting-crystallization hysteresis, binary nanoparticles, palladium-platinum system

  • Ludmila P. Aref`eva – Ph. D., Docent, Department of Physical and Applied Material Science, Don State Technical University
  • Irina G. Shebzukhova – Dr. Sc., Professor, Department of Theoretical and Experimental Physics, Kabardino-Balkarian State University named after H.M. Berbekov

Reference:

Aref`eva, L.P. The influence of surface and interphase characteristics on the behavior of the phase diagram of nanoparticles of the paladium-platinum alloy / L.P. Aref`eva, I.G. Shebzukhova // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. – Tver: TSU, 2020. — I. 12. — P. 243-251. DOI: 10.26456/pcascnn/2020.12.243. (In Russian).

Full article (in Russian): download PDF file

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