Thz Absorption In Graphene Quantum Dots

S. Massabeau,E. Riccardi,M. Rosticher,C. Berger,W. de Heer,J. Tignon,S. Dhillon, R. Ferreira,J. Mangeney

2019 44TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)（2019）

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Abstract

We study the optical response of multilayer graphene quantum dots at THz frequencies. We fabricate 73 nm-diameter graphene quantum dots in an array of similar to 1mm(2) size. We demonstrate optical absorbance of these graphene quantum dots from 0.85 to 4.7 THz and study the absorption dependence with the temperature from 4K to 300 K.

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Key words

optical absorbance,optical response,multilayer graphene quantum dots,THz absorption,temperature 4.0 K to 300.0 K,size 73.0 nm,C

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