[24a-12P-1~8] 11.1 Fundamental properties

11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[24a-12P-6] Optimization of synthesis condition in superconducting In_3-xS₄

〇(M2)Kazuki Yamane^1,2, Ryo Matsumoto¹, Terumasa Tadano¹, Kensei Terashima¹, Toru Shinmei³, Tetsuo Irifune³, Hiroya Sakurai¹, Yoshihiko Takano^1,2 (1.NIMS, 2.Univ. of Tsukuba, 3.GRC Ehime Univ.)

Keywords:

Superconductivity

Our group developed a heater diamond anvil cell (DAC) that enables high-pressure synthesis and in-situ electrical resistance measurement, and revealed that In_3-xS₄ exhibits superconductivity at 16 K. However, the observed superconducting transition is broad, and it is necessary to improve the superconducting properties by optimizing the synthesis conditions. In this study, we succeeded in observing superconductivity with a small transition width and T_c = 17.7 K through X-ray diffraction measurements and multiple heatings under high pressure.