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ScPd$$_2$$Al$$_3$$; New polymorphic phase in Al-Pd-Sc system

Pospisil, J.; Haga, Yoshinori; Nakajima, Kunihisa; Ishikawa, Norito; C$'i$sa$v{r}$ov$'a$, I.*; Tateiwa, Naoyuki; Yamamoto, Etsuji; Yamamura, Tomoo*

A new compound of the composition ScPd$$_2$$Al$$_3$$ showing polymorphism has been discovered. At room temperature, it crystalizes in the orthorhombic structure, but it transforms into a cubic phase above 1053$$^{circ}$$C. ScPd$$_2$$Al$$_3$$ exists as a very stable intermetallic phase just in the vicinity of the icosahedral quasicrystal Al$$_{54}$$Pd$$_{30}$$Sc$$_{16}$$.



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Category:Physics, Condensed Matter



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