The ability to turn superconductivity off and on with a literal flip of a switch in so-called "magic-angle twisted graphene" has allowed engineers to observe an unusual phenomenon that may shed new light on superconductivity in general. "While superconductors have been around for a long time, a remarkably new feature in twisted graphene bilayers and trilayers is that superconductivity in these materials can be turned on simply through the application of a voltage on a nearby electrode," says Stevan Nadj-Perge, Assistant Professor of Applied Physics and Materials Science. [Caltech story]
Written by
Robert Perkins
![Twisted Trilayer Graphene](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/ttg_v1.2e16d0ba.fill-1600x810-c100.width-450.png)
![Stevan Nadj-Perge](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/StevanNadj-Perge_CFA1027.width-450.jpg)
![Youngjoon Choi](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/Youngjoon-Choi_1-1200.width-450.jpg)
![Cyprian Lewandowski](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/LEWANDOWSKI_Cyprian_pic.width-350.width-450.jpg)
![Alex Thomson](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/IQIMHeadshots-26.width-450.jpg)
![Robert Polski](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/Robbie-Polski-1200x1500-1.width-450.jpg)
![Jason Alicea](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/Alicea-Jason.width-450.jpg)
![Hyunjin Kim](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/hk1.width-450.jpg)
![Yiran Zhang](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/citations.width-450.jpg)
Image Gallery Lightbox
![Stevan Nadj-Perge](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/StevanNadj-Perge_CFA1027.max-1400x800.jpg)
Stevan Nadj-Perge
Download Full Image
![Youngjoon Choi](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/Youngjoon-Choi_1-1200.max-1400x800.jpg)
Youngjoon Choi
Download Full Image
![Alex Thomson](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/IQIMHeadshots-26.max-1400x800.jpg)
Alex Thomson
Download Full Image
![Robert Polski](https://divisions-prod.s3.amazonaws.com/eas70/Imported%20News%20Images/images/Robbie-Polski-1200x1500-1.max-1400x800.jpg)
Robert Polski
Download Full Image
![Previous](/static/airspace/img/icon-chevron-left.png)
![Next](/static/airspace/img/icon-chevron-right.png)