Abstract
Magnetic properties of TlBa2Y1-xCaxCu2Oy which is one of the hole‐doped high‐TC superconducting (SC) oxides were investigated by zero‐field μ+SR. Two precession frequencies of the muon spin were observed for x=0, indicating the existence of a coherent long range antiferromagnetic ordered state of Cu‐spins. The saturated internal fields at the muon sites, Hint, was 170 Oe and 23 Oe, respectively and magnetic transition temperature, TN, was about 400 K. Both Hint and TN show no x‐dependence up to x=0.5. No sign of the magnetic ordered state was observed in the SC state for x=1.0 down to 1.8 K.
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Watanabe, I., Nakajima, S., Nagase, K. et al. Observation of magnetically ordered state in TlBa2Y1-xCaxCu2Oy by μ+SR. Hyperfine Interactions 105, 181–186 (1997). https://doi.org/10.1023/A:1012691002448
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DOI: https://doi.org/10.1023/A:1012691002448