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Terahertz-frequency conductivity of charge stripes in the antiferromagnet La5/3Sr1/3NiO4

Abstract:
We report the complex refractive index of La5/3Sr1/3NiO4 over the terahertz frequency range, obtained using time-domain spectroscopy. Negligible change in the complex refractive index with magnetic flux densities up to 6T was seen, while changes were observed as the lattice temperature was increased from 1.5 K to the charge-ordering temperature at 220 K. The terahertz frequency response therefore originates from the dielectric function rather than the magnetic permeability.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
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Journal:
2007 JOINT 32ND INTERNATIONAL CONFERENCE ON INFRARED AND MILLIMETER WAVES AND 15TH INTERNATIONAL CONFERENCE ON TERAHERTZ ELECTRONICS, VOLS 1 AND 2
Pages:
852-853
Publication date:
2007-01-01
Event title:
Joint 32nd International Conference on Infrared and Millimeter Waves/15th International Conference on Terahertz Electronics
Source identifiers:
14400
ISBN:
9781424414383
Keywords:
Pubs id:
pubs:14400
UUID:
uuid:5fe8ffb5-f21b-4d40-b4f4-07d05b0a838b
Local pid:
pubs:14400
Deposit date:
2012-12-19

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