Pressure effect in the Kondo semimetal CeRu4Sn6 with nontrivial topology<xref rid="cpb_27_9_097103_fn1" ref-type="fn">*</xref><fn id="cpb_27_9_097103_fn1"><label>*</label>Project supported by the Ministry of Science and Technology of China (Grant Nos. 2015CB921303 and 2017YFA0303103), the National Natural Science Foundation of China (Grant Nos. 11474332 and 11774404), and the Chinese Academy of Sciences through the Strategic Priority Research Program (Grant No. XDB07020200).</fn>

Pressure effect in the Kondo semimetal CeRu₄Sn₆ with nontrivial topology**

Project supported by the Ministry of Science and Technology of China (Grant Nos. 2015CB921303 and 2017YFA0303103), the National Natural Science Foundation of China (Grant Nos. 11474332 and 11774404), and the Chinese Academy of Sciences through the Strategic Priority Research Program (Grant No. XDB07020200).

Zhang Jiahao^{1, 2}, Zhang Shuai¹, Chen Ziheng², Lv Meng^{1, 2}, Zhao Hengcan^{1, 2}, Yang Yi-feng¹, Chen Genfu¹, Sun Peijie^{1, †}

(color online) (a) Energy gap E_g1 estimated from the high-T resistivity curves, shown as a function of pressure for the single crystalline CeRu₄Sn₆. Inset shows lnρ vs. 1/T for selected pressures, where a linear change follows the Arrhenius equation. (b) Energy gap E_g2 estimated from the low-T window, 0.3 K < T < 2 K. Inset highlights the lnρ vs. 1/T curves in this temperature window.