EuFe2(As1-xPx)2: Reentrant Spin Glass and Superconductivity (CROSBI ID 193707)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Zapf, Sina ; Jeevan, Hirale S. ; Ivek, Tomislav ; Pfister, Fabian ; Klingert, Felix ; Jiang, Shuai ; Wu, Dan ; Gegenwart, Philipp ; Kremer, Reinhard K. ; Dressel, Martin
engleski
EuFe2(As1-xPx)2: Reentrant Spin Glass and Superconductivity
By systematic investigations of the magnetic, transport, and thermodynamic properties of single crystals of EuFe2(As1-xPx)2 (0≤x≤1), we explore the complex interplay of superconductivity and Eu2+ magnetism. Below 30 K, two magnetic transitions are observed for all P substituted crystals, suggesting a revision of the phase diagram. In addition to the canted A-type antiferromagnetic order of Eu2+ at ∼20 K, a spin glass transition is discovered at lower temperatures. Most remarkably, the reentrant spin glass state of EuFe2(As1-xPx)2 coexists with superconductivity around x≈0.2.
iron pnictide; superconductor; spin density wave; reentrant spin glass; resistance; susceptibility; phase diagram; antiferromagnetic ordering; coexistence; magnetism
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Podaci o izdanju
110 (23)
2013.
237002-1-237002-5
objavljeno
0031-9007
10.1103/PhysRevLett.110.237002