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VOLUME 29 (1979) | ISSUE 2 | PAGE 132
Phase separation in rare-earth superconducting metal compounds
On the basis of the fluctuation theory of phase transitions, we constructed a phase diagram of rare-earth superconducting metal compounds Εη _χΗοχ^4Β4 using the temperature-anisotropy variables (Г,|ац(х)|). The existence of a high-temperature superconducting phase is predicted in rare-earth metal alloys with aluminum TbAl-NdAl. It is shown that this phase, which may be metastable, can occur at Τ ~ 40 К in a narrow temperature range.