Vortex matching effect in engineered thin films of NbNReport as inadecuate



 Vortex matching effect in engineered thin films of NbN


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We report robust vortex matching effects in antidot arrays fabricated on thin films of NbN. The near absence of hysteresis between field sweep directions indicates a negligible residual pinning in the host thin film. Owing to the very small coherence length of NbN thin films $\xi 5 nm$, the observations suggests the possibility of probing physics of vortices at true nanometer length scales in suitably fabricated structures.



Author: Ajay D. Thakur; Shuuichi Ooi; Subbaiah P. Chockalingam; John Jesudasan; Pratap Raychaudhuri; Kazuto Hirata

Source: https://archive.org/







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