Effect of Self‐Incandescent Heating on Superconducting NbN Nanowire Yarn
Jeongmin Park,
Jeong‐Gyun Kim,
Sung Ju Hong
et al.
Abstract:A flexible superconducting yarn composed of twisted niobium nitride (NbN) nanofibrils is developed and exhibited a superconducting transition temperature that met the reported record of ≈17 K. NbN is sputter‐deposited onto a template of aligned single‐layer carbon nanotube (CNT) sheets and subsequently processed by post‐Joule heat annealing following the insertion of twists. Considering self‐Joule heating approaches the level of incandescent light emission, the melting, reflow, and recrystallization of the NbN… Show more
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