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Ultrafast Photovolt...
Ultrafast Photovoltaic Response in Ferroelectric Nanolayers
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Daranciang, Dan (author)
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Highland, Matthew J. (author)
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Wen, Haidan (author)
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Young, Steve M. (author)
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Brandt, Nathaniel C. (author)
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Hwang, Harold Y. (author)
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Vattilana, Michael (author)
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Nicoul, Matthieu (author)
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Quirin, Florian (author)
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Goodfellow, John (author)
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Qi, Tingting (author)
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Grinberg, Ilya (author)
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Fritz, David M. (author)
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Cammarata, Marco (author)
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Zhu, Diling (author)
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Lemke, Henrik T. (author)
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Walko, Donald A. (author)
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Dufresne, Eric M. (author)
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Li, Yuelin (author)
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- Larsson, Jörgen (author)
- Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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Reis, David A. (author)
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Sokolowski-Tinten, Klaus (author)
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Nelson, Keith A. (author)
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Rappe, Andrew M. (author)
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Fuoss, Paul H. (author)
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Stephenson, G. Brian (author)
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Lindenberg, Aaron M. (author)
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(creator_code:org_t)
- 2012
- 2012
- English.
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In: Physical Review Letters. - 1079-7114. ; 108:8
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Abstract
Subject headings
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- We show that light drives large-amplitude structural changes in thin films of the prototypical ferroelectric PbTiO3 via direct coupling to its intrinsic photovoltaic response. Using time-resolved x-ray scattering to visualize atomic displacements on femtosecond time scales, photoinduced changes in the unit-cell tetragonality are observed. These are driven by the motion of photogenerated free charges within the ferroelectric and can be simply explained by a model including both shift and screening currents, associated with the displacement of electrons first antiparallel to and then parallel to the ferroelectric polarization direction.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Daranciang, Dan
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Highland, Matthe ...
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Wen, Haidan
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Young, Steve M.
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Brandt, Nathanie ...
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Hwang, Harold Y.
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show more...
-
Vattilana, Micha ...
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Nicoul, Matthieu
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Quirin, Florian
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Goodfellow, John
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Qi, Tingting
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Grinberg, Ilya
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Fritz, David M.
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Cammarata, Marco
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Zhu, Diling
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Lemke, Henrik T.
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Walko, Donald A.
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Dufresne, Eric M ...
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Li, Yuelin
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Larsson, Jörgen
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Reis, David A.
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Sokolowski-Tinte ...
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Nelson, Keith A.
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Rappe, Andrew M.
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Fuoss, Paul H.
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Stephenson, G. B ...
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Lindenberg, Aaro ...
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
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Physical Review ...
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Lund University