期刊
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
卷 88, 期 3, 页码 -出版社
PHYSICAL SOC JAPAN
DOI: 10.7566/JPSJ.88.033703
关键词
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资金
- JSPS [JP18H01181]
- Mitsubishi Foundation
The 12%-S doped FeSe system has a high T-c of 30K at a pressure of 3.0 GPa. We have successfully investigated its microscopic properties for the first time via Se-77-NMR measurements under pressure. The antiferromagnetic (AFM) fluctuations at the optimal pressure (similar to 3 GPa) exhibited unexpected suppression compared with the AFM fluctuations at ambient pressure, even though the optimal pressure is close to the phase boundary of the AFM phase induced at the high-pressure region. In addition, we revealed that the SC phase at an applied field of 6.02 T exhibited a remarkable double-dome structure in the pressure temperature phase diagram, unlike the SC phase at zero field.
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