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Title: ⁷⁷Se-NMR study under pressure on 12%-S doped FeSe
Authors: Kuwayama, Takanori
Matsuura, Kohei
Mizukami, Yuta
Kasahara, Shigeru
Matsuda, Yuji
Shibauchi, Takasada
Uwatoko, Yoshiya
Fujiwara, Naoki
Author's alias: 笠原, 成
松田, 祐司
藤原, 直樹
Issue Date: 15-Mar-2019
Publisher: Physical Society of Japan
Journal title: Journal of the Physical Society of Japan
Volume: 88
Issue: 3
Thesis number: 033703
Abstract: The 12%-S doped FeSe system has a high Tc of 30 K at a pressure of 3.0 GPa. We have successfully investigated its microscopic properties for the first time via 77Se-NMR measurements under pressure. The antiferromagnetic (AFM) fluctuations at the optimal pressure (∼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.
Rights: ©2019 The Physical Society of Japan
The full-text file will be made open to the public on 15 March 2020 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/241751
DOI(Published Version): 10.7566/JPSJ.88.033703
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