Femtosecond photoelectron diffraction on laser-aligned molecules: Towards time-resolved imaging of molecular structure

被引：69

作者：

Boll, R. ^{[1
,2
,3
]}

Anielski, D. ^{[1
,2
,3
]}

Bostedt, C. ^{[4
]}

Bozek, J. D. ^{[4
]}

Christensen, L. ^{[5
]}

Coffee, R. ^{[4
]}

De, S. ^{[5
,6
]}

Decleva, P. ^{[7
]}

Epp, S. W. ^{[1
,2
,8
]}

Erk, B. ^{[1
,2
]}

Foucar, L. ^{[1
,9
]}

Krasniqi, F. ^{[1
,8
,9
]}

Kuepper, J. ^{[10
,11
,12
]}

Rouzee, A. ^{[13
,14
]}

Rudek, B. ^{[1
,2
,3
,15
]}

Rudenko, A. ^{[1
,2
,16
]}

Schorb, S. ^{[4
]}

Stapelfeldt, H. ^{[17
]}

Stener, M. ^{[7
]}

Stern, S. ^{[10
,11
]}

Techert, S. ^{[3
,18
,19
]}

Trippel, S. ^{[10
]}

Vrakking, M. J. J. ^{[13
,14
]}

Ullrich, J. ^{[1
,2
,15
]}

Rolles, D. ^{[1
,3
,9
]}

机构：

[1] CFEL, Max Planck Adv Study Grp, D-22607 Hamburg, Germany

[2] Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany

[3] DESY, D-22607 Hamburg, Germany

[4] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[5] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark

[6] Saha Inst Nucl Phys, Kolkata 700064, India

[7] Univ Trieste, Dipartimento Sci Chim & Farmceut, I-34127 Trieste, Italy

[8] Max Planck Inst Struct Dynam, D-22607 Hamburg, Germany

[9] Max Planck Inst Med Res, D-69120 Heidelberg, Germany

[10] DESY, Ctr Free Elect Laser Sci, D-22607 Hamburg, Germany

[11] Univ Hamburg, Dept Phys, D-22761 Hamburg, Germany

[12] Univ Hamburg, Ctr Ultrafast Imaging, D-22761 Hamburg, Germany

[13] Max Born Inst, D-12489 Berlin, Germany

[14] Inst AMOLF, FOM, NL-1098 XG Amsterdam, Netherlands

[15] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany

[16] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

[17] Aarhus Univ, Dept Chem, DK-8000 Aarhus C, Denmark

[18] Max Planck Inst Biophys Chem, D-37077 Gottingen, Germany

[19] Univ Gottingen, Inst Xray Phys, D-37077 Gottingen, Germany

来源：

PHYSICAL REVIEW A | 2013年 / 88卷 / 06期

关键词：

ANGULAR-DISTRIBUTIONS; ELECTRON; DYNAMICS;

D O I：

10.1103/PhysRevA.88.061402

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate an experimental method to record snapshot diffraction images of polyatomic gas-phase molecules, which can, in a next step, be used to probe time-dependent changes in the molecular geometry during photochemical reactions with femtosecond temporal and angstrom spatial resolution. Adiabatically laser-aligned 1-ethynyl-4-fluorobenzene (C8H5F) molecules were imaged by diffraction of photoelectrons with kinetic energies between 31 and 62 eV, created from core ionization of the fluorine (1s) level by approximate to 80 fs x-ray free-electron-laser pulses. Comparison of the experimental photoelectron angular distributions with density functional theory calculations allows relating the diffraction images to the molecular structure.

引用

页数：5

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