The c-axis complex permittivity and electrical impedance in BaFe2As2: Experimental examination on transformation validity

The c-axis complex permittivity and electrical impedance in BaFe₂As₂: Experimental examination on transformation validity

Li Yongqiang¹, Du Xinzhe², Gong Dongliang³, Yang Qirui², Zhang Wenliang³, Xie Tao³, Feng Bo², Chen Kai^{2, ‡}, Luo Huiqian³, Liu Junming^{1, §}, Zhu Jinsong¹

Dozens of original measurements, background, and the average data after background removal of ε ′ ′ / ε ′ from 10² Hz to 10⁶ Hz ((a)–(c)) and from 10³ Hz to 10⁶ Hz ((d)–(f)), respectively. (g) and (h) The same for R/X, respectively. The inset in panel (c) shows the sample stage of the PPMS.