Superconductivity and its Enhancement under High Pressure in "F-free" Single Crystals of CeOBiS${}_2$

Masashi Tanaka, Masanori Nagao, Ryo Matsumoto +6

"F-free" CeOBiS${}_2$ single crystals have successfully grown, thoroughly eliminating a concern about F-contamination by using a high-purity CsCl flux. The obtained crystals have a p…