Transport properties of topological nodal-line semimetal candidate CaAs<sub>3</sub> under hydrostatic pressure

Transport properties of topological nodal-line semimetal candidate CaAs₃ under hydrostatic pressure

Li Jing^{1, 2}, Zhao Ling-Xiao¹, Wang Yi-Yan¹, Wang Xin-Min^{1, 2}, Ma Chao-Yang¹, Zhu Wen-Liang^{1, 2}, Gao Mo-Ran^{1, 2}, Zhang Shuai¹, Ren Zhi-An^{1, 2, 3}, Chen Gen-Fu^{1, 2, 3, †}

(a) and (b) Resistivity ρ of CaAs₃ plotted as a function of temperature T on #3 and #4 crystals at various hydrostatic pressures, respectively. Inset of (b): Resistivity ρ above 1.2 GPa in the low temperature region (2 K–6 K).