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Magnetic ordering and superconductivity in La–Sr–Cu–O ceramics with iron doping

B. Ya. SukharevskiǐPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskI. V. VilkovaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskB. G. KsenofontovPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskI. V. RubanPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskS. I. KhokhlovaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskG. E. ShatalovaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskS. A. BuzhinskiiPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, Donetsk
ABI

Abstract

The investigations of the Mössbauer effect and measurements of resistivity and magnetic susceptibility of iron-doped lanthanum–strontium ceramics show that the superconducting transitions are suppressed by magnetic ordering.

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