Y89 NMR observation of ferromagnetic and antiferromagnetic spin fluctuations in the collapsed tetragonal phase of YFe2(Ge,Si)2

The surprising discovery of tripling the superconducting critical temperature of KFe2As2 at high pressures has led to an intriguing question of how the superconductivity in the collapsed tetragonal phase differs from that in the noncollapsed phases of Fe-based superconductors. Here we report a Y89 n...

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Veröffentlicht in:	Physical review. B 2017-11, Vol.96 (17)
Hauptverfasser:	Srpčič, J, Jeglič, P, Felner, I, Lv, Bing, Chu, C W, Arčon, D
Format:	Artikel
Sprache:	eng
Schlagworte:	Antiferromagnetism Antisite defects Electronic structure Ferromagnetism Germanium Group 5A compounds Iron NMR Nuclear magnetic resonance Pressure Silicon Superconductivity Variation
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