GMR at THz Frequencies in Coplanar Waveguides

N. Peters,L. Li,C. D. Wood,E. H. Linfield,A. G. Davies,B. Hickey,J. Cunningham

2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)（2017）

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摘要

Tapered THz coplanar waveguides (CPWs) formed from Co/Cu multilayers with embedded low-temperature-grown gallium arsenide photoconductive switches were designed in order to observe giant magnetoresistance (GMR). Pulsed THz radiation was excited using the switches, and was transmitted through both straight and tapered CPWs. GMR-induced changes in the transmitted THz pulse amplitude were demonstrated.

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关键词

tapered THz coplanar waveguides,GMR,giant magnetoresistance,THz frequencies,multilayers,embedded low-temperature-grown gallium arsenide photoconductive switches,pulsed THz radiation,Co-Cu,GaAs

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