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Dependence on y of the peak temperatures of RH (Tmax, H, open circles) and S (Tmax, S, solid squares) in YBCO. The y dependence of the Néel temperature TN is the broken line (10). For y < 6.40 the peak temperatures in RH and S follow closely to TN. At higher doping, however, the peak temperatures stay significantly higher than Tc (solid circles). The open diamond is the peak temperature of (T1T)−1 (27).
