中国物理B ›› 2001, Vol. 10 ›› Issue (13): 137-139.

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ON THE THERMAL STABILITY AND MELTING TEMPERATURE OF NANO-SYSTEMS

M. Rieth1, S. Baskoutas2, C. Politis2, A. Jannussis3, W. Schommers4   

  1. (1)AMA－SYSTEMS GmbH, Unterer Hardweg 9, 75181 Pforzheim, Germany; (2)Deparment of Engineering Science, University of Patras, 26110 Patras, Greece; (3)Department of Physics, University of Patras, 26500 Patras, Greece; (4)Forschungszentrum Karlsruhe, Institut für Nanotechnologie, P.O.Box 3640, 76021 Karlsruhe, Germany
  • 收稿日期:2000-12-29 出版日期:2001-12-25 发布日期:2005-07-07
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 19845002), the Special Project of the Presidential Foundation of the Chinese Academy of Sciences and also the Special Project the Institute of Nuclear Power of China.

ON THE THERMAL STABILITY AND MELTING TEMPERATURE OF NANO-SYSTEMS

M. Rietha, W. Schommersb, S. Baskoutasc, C. Politisc, A. Jannussisd   

  1. a AMA－SYSTEMS GmbH, Unterer Hardweg 9, 75181 Pforzheim, Germany; b Forschungszentrum Karlsruhe, Institut für Nanotechnologie, P.O.Box 3640, 76021 Karlsruhe, Germany; c Deparment of Engineering Science, University of Patras, 26110 Patras, Greece; d Department of Physics, University of Patras, 26500 Patras, Greece
  • Received:2000-12-29 Online:2001-12-25 Published:2005-07-07
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 19845002), the Special Project of the Presidential Foundation of the Chinese Academy of Sciences and also the Special Project the Institute of Nuclear Power of China.

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摘要： Various material properties which are well defined and clearly fixed for macroscopic systems, get a modified significance in nano-physics and nano-technology. It is shown, as an example, that the temperature behaviour of material systems is considerably changed when we go from macroscopic to nanometersize. It is pointed out that the standard model of solid state physics (ordered structure, harmonic approximation) is in general not sufficient for the description of nano-systems.

Abstract: Various material properties which are well defined and clearly fixed for macroscopic systems, get a modified significance in nano-physics and nano-technology. It is shown, as an example, that the temperature behaviour of material systems is considerably changed when we go from macroscopic to nanometersize. It is pointed out that the standard model of solid state physics (ordered structure, harmonic approximation) is in general not sufficient for the description of nano-systems.

Key words: molecular dynamics, thermal behaviour, material properties

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  • 7115Q