Affiliation:
1. Padjadjaran University
2. RIKEN Nishina Center
3. Universitas Padjadjaran
Abstract
We have investigated the magnetism and superconductivity of the electron-doped Eu2-xCexCuO4+α-δin a wide range area of doping Ce4+at 0.09 ≤x≤ 0.20 by means of magnetic susceptibility measurement at low temperatures down to 2 K. Superconductivity was observed in the concentration of Ce4+at 0.12 ≤x≤ 0.20 with the range of the reduction of oxygen content 0.0255 ≤δ≤ 0.093 with a maximum transition temperature of 12 K. Furthermore, from the data temperature dependence of the dc magnetic-susceptibility, it can be analyzed the Curie constant, atomic magnetic moment and effective magnetic moment in each sample. Those three values have similar values with increasing Ce4+concentration for a sample that doesn’t show superconductivity.
Publisher
Trans Tech Publications, Ltd.
Subject
Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics