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Effects of Oxygen Stoichiometry on The Magnetic Ordering of La2Ni1-YCuY04+δ

  • J. Zhao (a1), V. Suresh Babu (a1), Mohindar S. Seehra (a1), Aloysius F. Hepp (a2), James R. Gaier (a2) and Robert M. Richman (a3)...


Annealing and quenching experiments in a thermogravimetric analysis apparatus are used to vary the oxygen content in La2Ni1‐yCuy04+δ, followed by magnetic susceptibility and x‐ray diffraction experiments. These studies show that for certain δ, transition to antiferromagnetism occurs with TN < 20 K. The effect of Cu doping (y = 0.01 and 0.05) on TN is negligible.



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