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  Evolution of three-dimensional correlations during the photoinduced melting of antiferromagnetic order in La0.5Sr1.5MnO4

Tobey, R. I., Wall, S., Först, M., Bromberger, H., Khanna, V., Turner, J. J., et al. (2012). Evolution of three-dimensional correlations during the photoinduced melting of antiferromagnetic order in La0.5Sr1.5MnO4. Physical Review B, 86(6): 064425. doi:10.1103/PhysRevB.86.064425.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0028-15AE-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0028-19F9-8
Genre: Journal Article

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PhysRevB.86.064425.pdf (Publisher version), 849KB
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http://dx.doi.org/10.1103/PhysRevB.86.064425 (Publisher version)
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 Creators:
Tobey , R. I.1, Author
Wall, Simon2, Author           
Först, Michael3, 4, Author           
Bromberger, Hubertus3, 4, Author           
Khanna, Vikaran3, 4, 5, 6, Author           
Turner, J. J.7, Author
Schlotter, W.7, Author
Trigo, M.8, Author
Krupin, O.7, 9, Author
Lee , W. S.10, Author
Chuang , Y.-D.11, Author
Moore , R.10, Author
Cavalieri, Adrian L.4, 12, Author           
Wilkins, S. B.1, Author
Zheng, H.13, Author
Mitchell, J. F.13, Author
Dhesi , S. S. 5, Author
Cavalleri, Andrea3, 4, 6, Author           
Hill, J. P.1, Author
Affiliations:
1Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA, ou_persistent22              
2Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              
3Condensed Matter Dynamics Division, Max Planck Research Department for Structural Dynamics, Department of Physics, University of Hamburg, External Organizations, ou_2173637              
4Center for Free Electron Laser Science, Hamburg, Germany, ou_persistent22              
5Diamond Light Source, Chilton, Didcot, Oxfordshire OX11 0DE, United Kingdom, ou_persistent22              
6Department of Physics, Clarendon Laboratory, Oxford University, United Kingdom, ou_persistent22              
7Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA, ou_persistent22              
8PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA, ou_persistent22              
9European XFEL GmbH, Hamburg, Germany, ou_persistent22              
10The Stanford Institute for Materials and Energy Sciences (SIMES), SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA, ou_persistent22              
11Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA, ou_persistent22              
12Extreme Timescales, Research Groups, Max Planck Research Department for Structural Dynamics, Department of Physics, University of Hamburg, External Organizations, ou_2173639              
13Material Science Department, Argonne National Laboratory, Argonne, Illinois 60439, USA, ou_persistent22              

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Free keywords: PACS numbers: 75.78.Jp, 78.47.D−, 71.27.+a
 Abstract: Using time-resolved resonant soft x-ray diffraction, we measure the evolution of the full three-dimensional scattering volume of the antiferromagnetic superlattice reflection in the single-layer manganite La0.5Sr1.5MnO4 on femtosecond time scales following photoexcitation. We find that the in-plane correlations are unchanged as a metastable state is entered, however there are subtle changes in the c-axis correlations. We observe a transient shift of the scattering ellipsoid along (00L) at very short times, and at longer time scales the short-range c-axis correlations are more robust than they are in equilibrium. Such results are not obtainable with any other techniques and hint at previously unresolved processes in the dynamics of photomelting in strongly correlated systems.

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Language(s): eng - English
 Dates: 2012-02-242012-08-172012-08-01
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.86.064425
 Degree: -

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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 86 (6) Sequence Number: 064425 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008