Phys. Rev. Lett.
98,
125501
(2007)
[4 pages]
Carrier-Density-Dependent Lattice Stability in InSb
P. B. Hillyard et al.
Show All Authors/Affiliations
Hide All Authors/Affiliations
P. B. Hillyard1,2, K. J. Gaffney2,3,*, A. M. Lindenberg2,3, S. Engemann2,3, R. A. Akre4, J. Arthur3, C. Blome5, P. H. Bucksbaum2,3,6, A. L. Cavalieri6,7, A. Deb2,3, R. W. Falcone8, D. M. Fritz2,6, P. H. Fuoss9, J. Hajdu10, P. Krejcik4, J. Larsson11, S. H. Lee6,12, D. A. Meyer1,2, A. J. Nelson13, R. Pahl14, D. A. Reis2,6, J. Rudati15, D. P. Siddons16, K. Sokolowski-Tinten17, D. von der Linde17, and J. B. Hastings3
1Department of Chemistry, Stanford University, Stanford, California 94305, USA 2PULSE Center, Stanford Linear Accelerator Center, Menlo Park, California 94025, USA 3Stanford Synchrotron Radiation Laboratory/SLAC, Menlo Park, California 94025, USA 4Stanford Linear Accelerator Center, Menlo Park, California, 94025, USA 5Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany 6FOCUS Center, Department of Physics and Applied Physics Program, University of Michigan, Ann Arbor, Michigan 48109, USA 7Max-Planck-Institute of Quantum Optics, Hans-Kopfermann-Strasse 1, D-85748, Garching, Germany 8Department of Physics, University of California, Berkeley, California 94720, USA 9Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA 10Department of Cell and Molecular Biology, Biomedical Centre, Uppsala University, SE-75124 Uppsala, Sweden 11Department of Physics, Lund Institute of Technology, P.O. Box 118, S-22100 Lund, Sweden 12Length/Time Metrology Group, Korea Institute of Standards and Science, Daejeon 305-600, Republic of Korea 13Lawrence Livermore National Laboratory, Livermore, California 94550, USA 14Consortium for Advanced Radiation Sources, The University of Chicago, Chicago, Illinois 60637, USA 15Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA 16National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973, USA 17Institut für Experimentelle Physik, Universität Duisberg-Essen, D-45117 Essen, Germany
See Also:
Publisher's Note
Received 22 October 2006; published 21 March 2007; corrected 2 April 2007
The ultrafast decay of the x-ray diffraction intensity following laser excitation of an InSb crystal has been utilized to observe carrier dependent changes in the potential energy surface. For the first time, an abrupt carrier dependent onset for potential energy surface softening and the appearance of accelerated atomic disordering for a very high average carrier density have been observed. Inertial dynamics dominate the early stages of crystal disordering for a wide range of carrier densities between the onset of crystal softening and the appearance of accelerated atomic disordering.
© 2007 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.98.125501
DOI:
10.1103/PhysRevLett.98.125501
PACS:
63.20.Kr, 61.10.−i, 64.70.Dv, 78.47.+p
*Electronic address: kgaffney@slac.stanford.edu
See Also
Publisher's Note:
P. B. Hillyard et al.,
Publisher’s Note: Carrier-Density-Dependent Lattice Stability in InSb [Phys. Rev. Lett. 98, 125501 (2007)],
Phys. Rev. Lett. 98, 149906 (2007).
|
|