A surface phase transition of supported gold nanoparticles

Plech, Anton; Cerna, Roland; Kotaidis, Vassilios; Hudert, Florian; Bartels, Albrecht; Dekorsy, Thomas

A surface phase transition of supported gold nanoparticles

Files

A_surface_phase_transition_of_supported_gold_nanoparticles.pdf(222.7 KB)

Date

2007

Authors

Plech, Anton

Cerna, Roland

Kotaidis, Vassilios

Hudert, Florian

Bartels, Albrecht

Dekorsy, Thomas

Publication type

Journal article

Published in

Nano Letters ; 7 (2007), 4. - pp. 1026-1031

Abstract

A thermal phase transition has been resolved in gold nanoparticles supported on a surface. By use of asynchronous optical sampling with coupled femtosecond oscillators, the Lamb vibrational modes could be resolved as a function of annealing temperature. At a temperature of 104 °C the damping rate and phase changes abruptly, indicating a structural transition in the particle, which is explained as the onset of surface melting.

Subject (DDC)

530 Physics

Cite This

ISO 690

PLECH, Anton, Roland CERNA, Vassilios KOTAIDIS, Florian HUDERT, Albrecht BARTELS, Thomas DEKORSY, 2007. A surface phase transition of supported gold nanoparticles. In: Nano Letters. 7(4), pp. 1026-1031. Available under: doi: 10.1021/nl070187t

BibTex

@article{Plech2007surfa-5181,
  year={2007},
  doi={10.1021/nl070187t},
  title={A surface phase transition of supported gold nanoparticles},
  number={4},
  volume={7},
  journal={Nano Letters},
  pages={1026--1031},
  author={Plech, Anton and Cerna, Roland and Kotaidis, Vassilios and Hudert, Florian and Bartels, Albrecht and Dekorsy, Thomas}
}

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