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Imaging Ultrafast D...
Imaging Ultrafast Dynamical Diffraction Wave Fronts in Strained Si with Coherent X Rays
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- Rodriguez-Fernandez, Angel (författare)
- European XFEL GmbH
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- Diaz, Ana (författare)
- Paul Scherrer Institut,Paul Scherrer Institute
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- Harihara Subramonia Iyer, Anand, 1990 (författare)
- Chalmers University of Technology
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- Verezhak, Mariana (författare)
- Paul Scherrer Institut,Paul Scherrer Institute
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- Wakonig, Klaus (författare)
- Paul Scherrer Institut,Paul Scherrer Institute
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- Hörnqvist Colliander, Magnus, 1979 (författare)
- Chalmers University of Technology
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- Carbone, Dina (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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(creator_code:org_t)
- 2021
- 2021
- Engelska.
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Ingår i: Physical Review Letters. - 1079-7114 .- 0031-9007. ; 127:15
- Relaterad länk:
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https://research.cha... (primary) (free)
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http://dx.doi.org/10...
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https://research.cha...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- Dynamical diffraction effects in thin single crystals produce highly monochromatic parallel x-ray beams with a mutual separation of a few microns and a time delay of a few femtoseconds—the so-called echoes. This ultrafast diffraction effect is used at X-Ray Free Electron Lasers in self-seeding schemes to improve beam monochromaticity. Here, we present a coherent x-ray imaging measurement of echoes from Si crystals and demonstrate that a small surface strain can be used to tune their temporal delay. These results represent a first step toward the ambitious goal of strain tailoring new x-ray optics and, conversely, open up the possibility of using ultrafast dynamical diffraction effects to study strain in materials.
Ämnesord
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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- ref (ämneskategori)
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