On the superconducting and magnetic properties of HoNbO3−δ and EuNbO3−δ complex oxides
作者： G.K. Strukova , D.V. Shovkun , V.N. Zverev , I.E. Batov , S.A. Zver'kov
DOI: 10.1016/S0921-4534(00)01643-9
关键词: Curie constant 、 Curie temperature 、 Condensed matter physics 、 Curie's law 、 Magnetic susceptibility 、 Paramagnetism 、 Materials science 、 Ferromagnetism 、 Superconductivity 、 Curie–Weiss law
摘要: Abstract Complex oxide compounds of niobium and rare-earth elements, HoNbO3−δ EuNbO3−δ, have been synthesized, their magnetic superconducting properties studied. Both these are superconductors with transition temperatures Tc=15 6 K, respectively. The strongly affected by the content oxygen, in particular, Tc drops this parameter. paramagnetic at higher than Tc. susceptibility follows Curie law, effective Ho ions μeff=9.0. EuNbO3−δ is described Curie–Weiss law temperature Θc=4.4 Eu μeff=6.5. possibility coexistence superconductivity ferromagnetism discussed.
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