X-ray diffuse scattering measurements of nucleation dynamics at femtosecond resolution

被引:53
|
作者
Lindenberg, A. M. [1 ,2 ,3 ]
Engemann, S. [1 ,3 ]
Gaffney, K. J. [1 ,3 ]
Sokolowski-Tinten, K. [4 ]
Larsson, J. [1 ,5 ]
Hillyard, P. B. [1 ,6 ]
Reis, D. A. [1 ,7 ,8 ]
Fritz, D. M. [1 ,7 ,8 ]
Arthur, J. [3 ]
Akre, R. A.
George, M. J. [3 ]
Deb, A. [1 ,3 ]
Bucksbaum, P. H. [1 ,3 ]
Hajdu, J. [1 ,9 ]
Meyer, D. A. [1 ,6 ]
Nicoul, M. [4 ]
Blome, C. [10 ]
Tschentscher, Th. [10 ]
Cavalieri, A. L. [7 ,8 ,11 ]
Falcone, R. W. [12 ]
Lee, S. H. [13 ]
Pahl, R. [14 ]
Rudati, J. [15 ]
Fuoss, P. H. [16 ]
Nelson, A. J. [17 ]
Krejcik, P.
Siddons, D. P. [18 ]
Lorazo, P. [19 ]
Hastings, J. B. [3 ]
机构
[1] Stanford Linear Accelerator Ctr, PULSE Ctr, Menlo Pk, CA 94025 USA
[2] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
[3] SLAC, Stanford Synchrotron Radiat Lab, Menlo Pk, CA 94025 USA
[4] Univ Duisburg Essen, Inst Expt Phys, D-45117 Essen, Germany
[5] Lund Inst Technol, Dept Phys, S-22100 Lund, Sweden
[6] Stanford Univ, Dept Chem, Stanford, CA 94305 USA
[7] Univ Michigan, Dept Phys, FOCUS Ctr, Ann Arbor, MI 48109 USA
[8] Univ Michigan, Appl Phys Program, Ann Arbor, MI 48109 USA
[9] Uppsala Univ, Biomed Ctr, Dept Cell & Mol Biol, SE-75124 Uppsala, Sweden
[10] Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany
[11] Max Planck Inst Quantum Opt, D-85748 Garching, Germany
[12] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[13] Korea Res Inst Stand & Sci, Length Time Metrol Grp, Taejon 305600, South Korea
[14] Univ Chicago, Consortium Adv Radiat Sources, Chicago, IL 60637 USA
[15] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
[16] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA
[17] Lawrence Livermore Natl Lab, Dept Phys, Livermore, CA 94550 USA
[18] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA
[19] Ecole Polytech, Dept Genie Phys, Montreal, PQ H3C 3A7, Canada
关键词
D O I
10.1103/PhysRevLett.100.135502
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Femtosecond time-resolved small and wide angle x-ray diffuse scattering techniques are applied to investigate the ultrafast nucleation processes that occur during the ablation process in semiconducting materials. Following intense optical excitation, a transient liquid state of high compressibility characterized by large-amplitude density fluctuations is observed and the buildup of these fluctuations is measured in real time. Small-angle scattering measurements reveal snapshots of the spontaneous nucleation of nanoscale voids within a metastable liquid and support theoretical predictions of the ablation process.
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页数:5
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