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Driving magnetic order in a manganite by ultrafast lattice excitation
DOI:
10.1103/PhysRevB.84.241104
Authors:
Michael
Foerst
(Max-Planck Department for Structural Dynamics, Center for Free Electron Laser Science, University of Hamburg)
,
Raanan
Tobey
(Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory)
,
Simon
Wall
(Fritz-Haber-Institute of the Max Planck Society)
,
Hubertus
Bromberger
(Max-Planck Department for Structural Dynamics, Center for Free Electron Laser Science, University of Hamburg)
,
Vikaran
Khanna
(Diamond Light Source)
,
A. L.
Cavalieri
(Max-Planck Department for Structural Dynamics, Center for Free Electron Laser Science, University of Hamburg)
,
Y.-d.
Chuang
(Advanced Light Source, Lawrence Berkeley Laboratory)
,
W. S.
Lee
(The Stanford Institute for Materials and Energy Sciences (SIMES), Stanford Linear Accelerator Center (SLAC) National Accelerator Laboratory and Stanford University)
,
R.
Moore
(The Stanford Institute for Materials and Energy Sciences (SIMES), Stanford Linear Accelerator Center (SLAC) National Accelerator Laboratory and Stanford University)
,
W. F.
Schlotter
(Linac Coherent Light Source, Stanford Linear Accelerator Center (SLAC) National Accelerator Laboratory)
,
J. J.
Turner
(Linac Coherent Light Source, Stanford Linear Accelerator Center (SLAC) National Accelerator Laboratory)
,
O.
Krupin
(European XFEL GmbH, Hamburg)
,
M.
Trigo
(PULSE Institute, Stanford Linear Accelerator Center (SLAC) National Accelerator Laboratory)
,
H.
Zheng
(Materials Science Division, Argonne National Laboratory)
,
J. F.
Mitchell
(Materials Science Division, Argonne National Laboratory)
,
Sarnjeet
Dhesi
(Diamond Light Source)
,
J. P.
Hill
(Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory)
,
Andrea
Cavalleri
(University of Oxford)
Co-authored by industrial partner:
No
Type:
Journal Paper
Journal:
Physical Review B
, VOL 84 (24)
State:
Published (Approved)
Published:
December 2011
Abstract: Femtosecond midinfrared pulses are used to directly excite the lattice of the single-layer manganite La(0.5)Sr(1.5)MnO(4). Magnetic and orbital orders, as measured by femtosecond resonant soft x-ray diffraction with an x-ray free-electron laser, are reduced within a few picoseconds. This effect is interpreted as a displacive exchange quench, a prompt shift in the equilibrium value of the magnetic-and orbital-order parameters after the lattice has been distorted. Control of magnetism through ultrafast lattice excitation may be of use for high-speed optomagnetism.
Subject Areas:
Physics
Facility: NSLS and LCLS
Added On:
03/01/2012 10:22
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