O.F. Schirmer, K.W. Blazey, et al.
Physical Review B
Paper
High-temperature magnetic order in dilute Cu2+ ions in LaCuO3-δ
Abstract
Electron paramagnetic resonance and magnetic susceptibility measurements in the tetragonally distorted metallic perovskite LaCuO3-δ with δ≈0.001 show that the highly diluted Cu2+ "impurities" interact ferromagnetically at long range and undergo a phase transition at an unusually high temperature of ∼ 240 K. © 1992.
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