Jenga Chemistry

SIMES researcher Danfeng Li explains the delicate ‘Jenga chemistry’ behind making a new nickel oxide material, the first in a potential new family of unconventional superconductors.



Harold Y. Hwang and Danfeng (Denver) Li

recently discovered that nickelate is indeed super conductive

when asked by Harold's 9 year old daughter how did you uncover

this and how does it work? Harold went on to explain that it's kind

of like removing a layer from a Jenga tower

here is Denver explaining the experiment

you know when you play Jenga games you need to be very careful about

pulling out these blocks right so in real experiments we also used a very

gentle way which we call it soft chemistry that is a process which allows

us to take oxygen blocks out

by removing these oxygen blocks among other steps

Denver and his team had created a thin film of nickelate and it was in

these strips that Denver made the discovery that the material was superconducting

this is the first in a new family of superconductors that will help scientists

like Harold and Denver figure out how they work

Linda McCulloch, SLAC National Accelerator Laboratory

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