Daniel J. Coady, Amanda C. Engler, et al.
ACS Macro Letters
Paper
The upper critical field of superconducting polysulfur nitride, (SN)x
Abstract
A measurement of the temperature and angular dependence of the upper critical magnetic field Hc2 in crystals of polymeric (SN)x is reported. A large anisotropy is observed at all temperatures with Hc2{norm of matrix} = 8.1 ± 0.4 kOe parallel to, and Hc2⊥ = 870 ± 80 Oe perpendicular to, the polymer axis at 0°K. The results are explained in terms of the polymeric crystal structure and fibrous morphology of (SN)x. © 1976.
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