Article History
Received: 29 March 2018
Revised: 16 July 2018
Accepted: 17 July 2018
First Online: 13 August 2018
Change Date: 22 August 2018
Change Type: Correction
Change Details: In the version of this Perspective originally published, in the key for Fig. 2d the labels for the light-blue and dark-blue lines were mistakenly swapped. The light-blue line should have been labelled ‘Tunnel FET’ and the dark-blue line should have been labelled ‘Negative capacitance FET’. This has now been corrected.
Competing interests
: The authors declare no competing interests.