Twistronics: superconductor prototypes discovered after twisting graphene sheets | Hacker News Reader

Twistronics: superconductor prototypes discovered after twisting graphene sheets

nytimes.com

72 pointssolarengineer10 comments

From the article: Recently, physicists from the Massachusetts Institute of Technology discovered that stacking two sheets of graphene and twisting a small angle between them reveals an entire new field of material science – twistronics. In a paper published in Nature, researchers have taken a look into this new material, known as the magic-angle twisted bilayer graphene. By modifying the graphene’s temperature, they were able to cause the material to shift from behaving like an insulator to transforming into a superconductor.

Is this the same phenomenon discovered last year by Yuan Cao et al?

https://www.nature.com/articles/nature26154

From TFA: “What M.I.T. saw, we reproduce,” he said. “But on top of that we observe many more states, which most likely in his case were not seen, because of the dirty devices.”

http://archive.md/hU8Zg

Don't remember where I saw that saying, but ...

"Graphene. There's nothing it can't do, except leave the lab"

If anyone ever managed to produce and manipulate graphine in a controlled way and at industrial scale it will revelationise whole economic sectors. U til then though...

Saw this article recently about a Cambridge spin-out making 8" wafers of graphene: https://www.cam.ac.uk/research/news/cambridge-spin-out-start...

Url changed from https://hackaday.com/2019/12/27/magic-angle-twisted-bilayer-..., which points to this.

Does it really make sense to change the URL from a non-paywalled site to a paywalled one? The NYT version doesn't even load a hyperlink that I can use to read the Nature paper, while the hackaday site loads and I can follow links through to the paper and to NYT.

If there's a paywall workaround, it's ok. Users usually post workarounds in the threads. There's one in this thread.

No question the paywalls suck, but until there's an industry-level solution, this is the best of the bad options we're stuck with. There's more explanation here:

https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...

https://news.ycombinator.com/item?id=10178989

Reply on news.ycombinator.com