High-energy spin fluctuation in low-T $_{c}$ iron-based superconductor LaFePO $_{0.9}$

Ishikado, Motoyuki*; Shamoto, Shinichi ; Kodama, Katsuaki ; Kajimoto, Ryoichi ; Nakamura, Mitsutaka ; Hong, T.*; Mutka, H.*

Spin fluctuations are widely believed to play an important role as one of the most possible mechanisms for unconventional high-temperature superconductors. Here, the spin fluctuation in LaFePO $_{0.9}$ is found at high energies such as 30-50 meV with comparable intensity to an optimally doped LaFeAs(O,F).

Language	:	English
Journal	:	Scientific Reports (Internet)
Volume	:	8
Number	:
Pages	:	p.16343_1 - 16343_6
Publication Year/Month	:	2018/11
Meeting title	:
Held date	:
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Patent information	:
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Paper URL	:	https://doi.org/10.1038/s41598-018-33878-x
DOI for research data	:
Keywords	:	鉄系超伝導; 中性子散乱; スピン揺らぎ
Research Facility	:	J-PARC物質・生命科学実験施設
Press Release	:	鉄リン系超伝導体で高エネルギーの反強磁性磁気ゆらぎを世界で初めて発見; 鉄系超伝導体の機構の解明、新しい超伝導体の探索へ
Article of JAEA R&D Review	:
Cooperating Institute	:	総合科学研究機構

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Registration No. : AA20180283
JAEA Abstracts No. : 46001085
Paper Submission No. : 20649

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High-energy spin fluctuation in low-T iron-based superconductor LaFePO

High-energy spin fluctuation in low-T $_{c}$ iron-based superconductor LaFePO $_{0.9}$