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EnglishThe binary Yb-Cu phase diagram was re-investigated in the Cu-rich part. Starting from this region, solid solutions formed by substitution of Cu by Ag, Au, and Pd have been investigated by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and electron probe microanalysis (EPMA). A competition in compound formation between Yb(Cu,T)5 (T = Ag, Au, Pd), cubic AuBe5-type and its monoclinic superstructure Yb(Cu,T)4.5 is generally evident. Whereas for Cu/Au and Cu/Ag substitutions deeply-extended Yb(Cu,T)5 solid solutions are formed, in the case of substitution of Cu by Pd the cubic and monoclinic phases coexist
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| Titolo: | Yb(Cu,T)5 and Yb(Cu,T)4.5 solid solutions (T = Ag, Au, Pd) |
| Autori: | |
| Data di pubblicazione: | 2008 |
| Rivista: | |
| Abstract: | The binary Yb-Cu phase diagram was re-investigated in the Cu-rich part. Starting from this region, solid solutions formed by substitution of Cu by Ag, Au, and Pd have been investigated by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and electron probe microanalysis (EPMA). A competition in compound formation between Yb(Cu,T)5 (T = Ag, Au, Pd), cubic AuBe5-type and its monoclinic superstructure Yb(Cu,T)4.5 is generally evident. Whereas for Cu/Au and Cu/Ag substitutions deeply-extended Yb(Cu,T)5 solid solutions are formed, in the case of substitution of Cu by Pd the cubic and monoclinic phases coexist |
| Handle: | http://hdl.handle.net/11567/250102 |
| Appare nelle tipologie: | 01.01 - Articolo su rivista |
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