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Conference Paper
Laser and Tera-Hertz Science and Technology
Wuhan China
November 1-2, 2012
ISBN: 978-1-55752-960-2
THz Wave Interaction With the Material (STh5A)

Correlation Between THz AC and Micro-Four-Point-Probe DC Conductivity Mapping of Graphene Sheets

Jonas D. Buron, Dirch H. Pedersen, Peter Boggild, David G. Cooke, Jie Sun, Michael Hilke, Eric Whiteway, Peter F. Nielsen, Avgust Yurgens, and Peter U. Jepsen  »View Author Affiliations


http://dx.doi.org/10.1364/LTST.2012.STh5A.1


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Abstract

We present quantitative correlation mapping of the sheet conductance of large areas of graphene. Terahertz time-domain spectroscopy (THz-TDS) maps the nanoscale conductance averaged over the beam spot size whereas micro four-point probe (M4PP) maps the micro-scale conductance.

© 2012 OSA

OCIS Codes
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(160.4236) Materials : Nanomaterials
(110.6795) Imaging systems : Terahertz imaging

Citation
J. D. Buron, D. H. Pedersen, P. Boggild, D. G. Cooke, J. Sun, M. Hilke, E. Whiteway, P. F. Nielsen, A. Yurgens, and P. U. Jepsen, "Correlation Between THz AC and Micro-Four-Point-Probe DC Conductivity Mapping of Graphene Sheets," in International Photonics and Optoelectronics Meetings, OSA Technical Digest (online) (Optical Society of America, 2012), paper STh5A.1.
http://www.opticsinfobase.org/abstract.cfm?URI=LTST-2012-STh5A.1


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