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Dirac-point photocurrents due to the photothermoelectric effect in non-uniform graphene devices

Matters Arising to this article was published on 17 February 2020

The Original Article was published on 17 December 2018

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Fig. 1: Calculated charge carrier density (colour scale) induced by a back gate in a cross-shaped graphene device with arms of width 800 nm over a 300 nm SiO2 gate dielectric.
Fig. 2: Comparison of PTE model and experiment.

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The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.


  1. Ma, Q. et al. Giant intrinsic photoresponse in pristine graphene. Nat. Nanotechnol. 14, 145–150 (2019).

    Article  CAS  Google Scholar 

  2. Schneider, M. V. Microstrip lines for microwave integrated circuits. Bell Syst. Tech. J. 48, 1421–1444 (1969).

    Article  CAS  Google Scholar 

  3. Song, J. C. W. & Levitov, L. S. Shockley−Ramo theorem and long-range photocurrent response in gapless materials. Phys. Rev. B 90, 075415 (2014).

    Article  Google Scholar 

  4. Gabor, N. M. et al. Hot carrier-assisted intrinsic photoresponse in graphene. Science 334, 648–652 (2011).

    Article  CAS  Google Scholar 

  5. Zuev, Y. M., Chang, W. & Kim, P. Thermoelectric and magnetothermoelectric transport measurements of graphene. Phys. Rev. Lett. 102, 096807 (2009).

    Article  Google Scholar 

  6. Ma, Q. et al. Competing channels for hot-electron cooling in graphene. Phys. Rev. Lett. 112, 247401 (2014).

    Article  Google Scholar 

Download references


We acknowledge support of the ARC Centre of Excellence FLEET (grant no. CE170100039).

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M.S.F. conceived this work and carried out the simulations in Fig. 2. N.V.M. carried out the simulation in Fig. 1. M.S.F. and N.V.M. wrote the manuscript together.

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Correspondence to Michael S. Fuhrer.

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Fuhrer, M.S., Medhekar, N.V. Dirac-point photocurrents due to the photothermoelectric effect in non-uniform graphene devices. Nat. Nanotechnol. 15, 241–243 (2020).

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