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Figure 14
Differential resistance, deduced from the slopes of V(I) curves at low and high current, from 0 to 1 mA and from 4 to 5 mA, respectively, as a function of temperature. Slopes are different, i.e. non-ohmicity appears for T between 280 and 290 K.

IUCrJ
Volume 13| Part 4| July 2026|
ISSN: 2052-2525
https://doi.org/10.1107/S2052252526002836