Magnetic Susceptibility of Fe-Doped YBa2Cu3O7-δ
- 1 March 1988
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 27 (3A) , L390
- https://doi.org/10.1143/jjap.27.l390
Abstract
Magnetic properties of YBa2(Cu1-x Fe x )3O7-δ with 0≦x≦0.085 were investigated by dc- and ac-magnetic susceptibility in a temperature range from 4.2 to 300 K. The susceptibility in the normal state follows the Curie-Weiss law χ=C/(T-\varTheta)+χ0 with constant paramagnetism χ0. The effective magnetic moments estimated from the Curie constant are 3.4∼4.0 µB/Fe, which are consistent with the magnetic moment obtained in the Mössbauer experiments. From the ac susceptibility in the superconducting state, a decrease of volume fraction of superconductivity was observed with increasing Fe-concentration.Keywords
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