Ultrafast Mid-infrared Spectroscopy of the Charge- and Spin-Ordered Nickelate La1:75Sr0:25NiO4.

Authors :: Coslovich, G.
Huber, B.
Lee, W.-S.
Chuang, Y.-D.
Zhu, Y.
Sasagawa, T.
Hussain, Z.
Bechtel, H. A.
Martin, M. C.
Schoenlein, R. W.
Shen, Z.-X.
Kaindl, R. A.
Source :: EPJ Web of Conferences; 2013, Issue 41, p03016-p.1-03016-p.3, 3p
Publication Year :: 2013
Abstract: 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. [ABSTRACT FROM AUTHOR]

Subjects :: PICOSECOND pulses
INFRARED spectroscopy
NICKEL compounds
ELECTRIC charge
ANTIFERROMAGNETIC materials
ELECTRIC conductivity

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