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The Diamond Superconducting Quantum Interference Device
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DOI：10.1021/nn2018396.png)
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Abstract
En 中文
Diamond is an electrical insulator in its natural form. However, when doped with boron above a critical level (similar to 0.25 atom %) it can be rendered superconducting at low temperatures with high critical fields. Here we present the realization of a micrometer-scale superconducting quantum interference device (mu-SQUID) made from nanocrystalline boron-doped diamond (BDD) films. Our results demonstrate that mu-SQUIDs made from superconducting diamond can be operated in magnetic fields as large as 41 Independent of the field direction. This is a decisive step toward the detection of quantum motion in a diamond-based nanomechanical oscillator.
Keywords:
diamond
SQUID
superconductivity
nanofabrication
Journal
IF:
16
Papers:
2.6W
Citations:
25.6W