Fermi velocity renormalization in graphene probed by terahertz time-domain spectroscopy

Patrick R. Whelan, Qian Shen, Binbin Zhou, I. G. Serrano, M. Venkata Kamalakar, David M. A. Mackenzie, Jie Ji, Deping Huang, Haofei Shi, Da Luo, Meihui Wang, Rodney S. Ruoff, Antti-Pekka Jauho, Peter U. Jepsen, Peter Boggild, Jose M. Caridad

2D MATERIALS（2020）

Cited 21|Views54

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Abstract

We demonstrate terahertz time-domain spectroscopy (THz-TDS) to be an accurate, rapid and scalable method to probe the interaction-induced Fermi velocity renormalization nu F*10(12) cm(-2), Fermi level > 0.1 eV). From an application point of view, the ability to rapidly and non-destructively quantify and map the electrical (sigma(DC), n, mu) and electronic ( nu F*More

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Key words

THz-TDS,graphene,fermi velocity renormalization,mobility mapping,flexible substrates

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