Structural and Magnetic Properties of Intermediate Oxygen Stoichiometry PrBa₂Cu₂Oₓ
The compound PrBa2Cu3Ox (χ ∼ 7) is non superconducting and exhibits antiferromagnetic ordering of the Pr moments at a relatively high temperature of about 17 K. We have investigated the structural and magnetic behavior of PrBa2Cu3Ox for two different oxygen contents (x = 6.9 and 6.4). Magnetic susceptibility measurements show that both these compounds are ordered antiferromagnetically with Néel temperatures of 15.7 and 12.5 K and effective paramagnetic moments of 2.85 μB and 2.94 μB for x = 6.9 and x = 6.4 samples, respectively. The susceptibility (χ) of the x = 6.4 sample shows a pronounced peak typical of antiferromagnetic systems unlike the x = 6.9 sample where χ shows only a slight break and continues to rise even below TN. © 1994.
S. K. Malik et al., "Structural and Magnetic Properties of Intermediate Oxygen Stoichiometry PrBa₂Cu₂Oₓ," Solid State Communications, Elsevier, Jan 1994.
The definitive version is available at https://doi.org/10.1016/0038-1098(94)90605-X
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© 1994 Elsevier, All rights reserved.