Subnanometer-scale measurements of the interaction of ultrafast soft X-ray free-electron-laser pulses with matter

被引：74

作者：

Hau-Riege, Stefan P. ^{[1
]}

Chapman, Henry N.

Krzywinski, Jacek

Sobierajski, Ryszard

Bajt, Sasa

London, Richard A.

Bergh, Magnus

Caleman, Carl

Nietubyc, Robert

Juha, Libor

Kuba, Jaroslav

Spiller, Eberhard

Baker, Sherry

Bionta, Richard

Tinten, K. Sokolowski

Stojanovic, Nikola

Kjornrattanawanich, Benjawan

Gullikson, Eric

Ploenjes, Elke

Toleikis, Sven

Tschentscher, Thomas

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[2] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

[3] Uppsala Univ, Biomed Ctr, Dept Cell & Mol Biol, SE-75124 Uppsala, Sweden

[4] Acad Sci Czech Republ, Inst Phys, Prague 18221 8, Czech Republic

[5] Czech Tech Univ, Prague 16636, Czech Republic

[6] Univ Duisburg Essen, Inst Expt Phys, D-47048 Duisburg, Germany

[7] Univ Space Res Assoc, Upton, NY 11973 USA

[8] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[9] DESY, Deutsch Elekt Synchrotron, D-22607 Hamburg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 14期

关键词：

Diffraction - Electron beams - Macromolecules - Nanostructured materials - Ultrafast phenomena;

D O I：

10.1103/PhysRevLett.98.145502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

At the recently built FLASH x-ray free-electron laser, we studied the reflectivity of Si/C multilayers with fluxes up to 3x10(14) W/cm(2). Even though the nanostructures were ultimately completely destroyed, we found that they maintained their integrity and reflectance characteristics during the 25-fs-long pulse, with no evidence for any structural changes over lengths greater than 3 A. This experiment demonstrates that with intense ultrafast pulses, structural damage does not occur during the pulse, giving credence to the concept of diffraction imaging of single macromolecules.

引用

页数：4

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