Structural fluctuations in ensembles of nanoparticles

Caused by the interaction between the particles, structural fluctuations influence thermodynamics and order of transformation of an ensemble of nanoparticles. A stringed thermodynamic analysis revealed that, in fluctuating ensembles, the ratio of particle numbers in the equilibrium over the one in t...

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Veröffentlicht in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2009-04, Vol.11 (3), p.647-654
Hauptverfasser: Vollath, D., Fischer, F. D.
Format: Artikel
Sprache:eng
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Zusammenfassung:Caused by the interaction between the particles, structural fluctuations influence thermodynamics and order of transformation of an ensemble of nanoparticles. A stringed thermodynamic analysis revealed that, in fluctuating ensembles, the ratio of particle numbers in the equilibrium over the one in the non-equilibrium phase is independent of any metastable in between. Structural transformations in such ensembles, connected to latent heat, are of infinite order. These findings are summarized in a set of theorems ruling structural fluctuations. Finally, the consequences of fluctuations are demonstrated by an example.
ISSN:1388-0764
1572-896X
DOI:10.1007/s11051-008-9413-0