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

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 13期

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.

引用

页数：5

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