Strong local moment antiferromagnetic spin fluctuations in V-doped LiFeAs

We use neutron scattering to study Vanadium (hole)-doped LiFe 1− x V x As. In the undoped state, LiFeAs exhibits superconductivity at T c = 18 K and transverse incommensurate spin excitations similar to electron overdoped iron pnictides. Upon Vanadium doping to form LiFe 0.955 V 0.045 , the transve...

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Veröffentlicht in:	npj quantum materials 2020-02, Vol.5 (1), Article 11
Hauptverfasser:	Xu, Zhuang, Dai, Guangyang, Li, Yu, Yin, Zhiping, Rong, Yan, Tian, Long, Liu, Panpan, Wang, Hui, Xing, Lingyi, Wei, Yuan, Kajimoto, Ryoichi, Ikeuchi, Kazuhiko, Abernathy, D. L., Wang, Xiancheng, Jin, Changqing, Lu, Xingye, Tan, Guotai, Dai, Pengcheng
Format:	Artikel
Sprache:	eng
Schlagworte:	639/301/119/1003 639/766/119/1003 Antiferromagnetism Condensed Matter Physics Density functional theory Doping Electron spin Excitation Group 5A compounds Magnetic moments Magnetism Mean field theory Neutron scattering Neutrons Orbital scattering Physics Physics and Astronomy Quantum Physics Structural Materials Superconductivity Surfaces and Interfaces Thin Films Vanadium Wave dispersion
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