DocumentCode :
732790
Title :
Probing short- and long-range stripe correlations in a nickelate via multi-THz spectroscopy
Author :
Coslovich, G. ; Lee, W.-S. ; Bechtel, H.A. ; Martin, M.C. ; Sasagawa, T. ; Shen, Z.-X. ; Kaindl, R.A.
Author_Institution :
Mater. Sci. Div., Lawrence Berkeley Nat. Lab., Berkeley, CA, USA
fYear :
2015
fDate :
10-15 May 2015
Firstpage :
1
Lastpage :
2
Abstract :
We report optical-pump THz-probe reflectivity studies around the resonance frequency (≈11 THz) of the in-plane bending mode of a stripe-ordered nickelate. The experiments reveal signatures of both short and long-range nanoscale charge order dynamics.
Keywords :
lanthanum compounds; long-range order; optical pumping; short-range order; strontium compounds; terahertz wave spectra; La1.75Sr0.25NiO4; in-plane bending mode; long-range nanoscale charge order dynamics; long-range stripe correlations; multiTHz spectroscopy; optical-pump THz-probe reflectivity; resonance frequency; short-range nanoscale charge order dynamics; short-range stripe correlations; stripe-ordered nickelate; Correlation; Delays; Optical reflection; Phonons; Probes; Spectroscopy; Ultrafast optics;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
Type :
conf
Filename :
7183227
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=732790
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