Ultrafast Three-Dimensional Imaging of Lattice Dynamics in Individual Gold Nanocrystals

Author:

Clark J. N.1,Beitra L.1,Xiong G.1,Higginbotham A.2,Fritz D. M.3,Lemke H. T.3,Zhu D.3,Chollet M.3,Williams G. J.3,Messerschmidt M.3,Abbey B.4,Harder R. J.5,Korsunsky A. M.67,Wark J. S.2,Robinson I. K.17

Affiliation:

1. London Centre for Nanotechnology, University College London, London WC1E 6BT, UK.

2. Department of Physics, Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, UK.

3. Linac Coherent Light Source, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA.

4. ARC Centre of Excellence for Coherent X-ray Science, Department of Physics, La Trobe University, Bundoora, Victoria 3086, Australia.

5. Advanced Photon Source, Argonne, IL 60439, USA.

6. Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, UK.

7. Research Complex at Harwell, Didcot, Oxfordshire OX11 0DE, UK.

Abstract

Distorted Nanoparticle Nanoparticles have found many applications in modern technology; however, the full characterization of individual particles is challenging. One of the most interesting mechanical properties is the particle's response to lattice distortion. This property has been probed for ensembles of nanoparticles, but the required averaging may distort the results. Clark et al. (p. 56 , published online 23 May; see the Perspective by Hartland and Lo ) were able to image the generation and subsequent evolution of coherent acoustic phonons from an individual perturbed gold nanocrystal on the picosecond time scale.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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