https://doi.org/10.1051/epjconf/20134103016
Ultrafast Mid-infrared Spectroscopy of the Charge- and Spin-Ordered Nickelate La1.75Sr0.25NiO4
1 Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
2 SIMES, SLAC National Accelerator Laboratory and Stanford University, Menlo Park, CA 94025, USA
3 Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
4 Materials and Structures Laboratory, Tokyo Institute of Technology, Kanagawa 226-8503, Japan
a e-mail: GCoslovich@lbl.gov
We present the first ultrafast mid-infrared study of charge and spin-ordered nickelates. A sub-picosecond modulation of the optical reflectivity is observed, indicating the filling and subsequent re-establishment of the pseudogap in the time-domain.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
