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. 2019 Feb 22;5(2):eaat5935. doi: 10.1126/sciadv.aat5935

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Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 2 — At zero field and 7 T. Inset: The difference of PF with respect to the values at 7 T, |PF_0T − PF_7T|/PF_7T as a function of T. The enhancement in PF is most significant at T_C = 160 K by a factor of ~20%, and the effect persists above T_C.