Detection of nonthermal melting by ultrafast X-ray diffraction

被引:480
作者
Siders, CW [1 ]
Cavalleri, A
Sokolowski-Tinten, K
Tóth, C
Guo, T
Kammler, M
von Hoegen, MH
Wilson, KR
von der Linde, D
Barty, CPJ
机构
[1] Univ Calif San Diego, Dept Chem & Biochem, La Jolla, CA 92093 USA
[2] Univ Calif San Diego, Inst Nonlinear Sci, La Jolla, CA 92093 USA
[3] Univ Calif San Diego, Dept Appl Mech Engn Sci, La Jolla, CA 92093 USA
[4] Univ Essen Gesamthsch, Inst Laser & Plasmaphys, D-45117 Essen, Germany
[5] Leibniz Univ Hannover, Inst Halbleitertech, D-30167 Hannover, Germany
[6] Leibniz Univ Hannover, Inst Festkorperphys, D-30167 Hannover, Germany
关键词
D O I
10.1126/science.286.5443.1340
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Using ultrafast, time-resolved, 1.54 angstrom x-ray diffraction, thermal and ultrafast nonthermal melting of germanium, involving passage through nonequilibrium extreme states of matter, was observed. Such ultrafast, optical-pump, x-ray diffraction probe measurements provide a way to study many other transient processes in physics, chemistry, and biology, including direct observation of the atomic motion by which many solid-state processes and chemical and biochemical reactions take place.
引用
收藏
页码:1340 / 1342
页数:3
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