The temperature dependences of the resistivity of near the superconducting transition in magnetic fields (the fields are specified at each curve).
The dependence of the critical temperature upon the atomic radius of the rare-earth element in compounds . Solid symbols are for experimental results of the studies cited and this work. Open symbols are predictions for rare-earths with smaller atomic radii.
The magnetic field dependences of the resistivity in at tempera-tures (shown at each curve) below the superconducting transition temperature. Dashed horizontal lines are values at the levels making 10%, 50%, and 90% of the normal resistivity at .
The temperature dependences of the second critical field for plotted by the data of Fig. 3 for the sections of the dependences at the levels corresponding to 90%, 50%, and 10% of . Solid and open symbols indicate resistive and magnetic measurements, respectively. Inset: in low magnetic fields (magnetic measurement).
Experimental dependences of on the rare-earth atomic radius in with , 0.15, and 0.18 at . In brackets: literature sources.
The temperature dependences of the ac magnetization (a) and (b) in low magnetic fields up to .
The temperature dependences of the ac magnetization (a) and (b) in magnetic fields up to .
The magnetization curve of in magnetic fields up to at (from the data of Figs. 6 and 7). Inset: the initial part of the dependence at low magnetic fields.
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