Magnetic structure of the Eu2+ moments in superconducting EuFe2(As1−xPx)2 with x=0.19
S. Nandi, W. T. Jin, Y. Xiao, Y. Su, S. Price, W. Schmidt, K. Schmalzl, T. Chatterji, H. S. Jeevan, P. Gegenwart, Th. Brückel
DOI 10.1103/PhysRevB.90.094407 · Physical Review B
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Abstract
The magnetic structure of the Eu2+ moments in the superconducting EuFe2(As1−xPx)2 sample with x=0.19 has been determined using neutron scattering. We conclude that the Eu2+ moments are aligned along the c direction below TC=19.0(1) K with an ordered moment of 6.6(2) μB in the superconducting state. An impurity phase similar to the underdoped phase exists within the bulk sample which orders antiferromagnetically below TN=17.0(2) K. We found no indication of iron magnetic order, nor any incommensurate magnetic order of the Eu2+ moments in the sample.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| EuFe2(As1-xPx)2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 27 | Pressure not reported | onset |
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