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English25 new RMX phases (R ≡ Ca, Sr, Ba, Eu, Yb; M ≡ Zn, Cd; X ≡ Si, Ge, Sn, Pb) were found to crystallize in the structure types ZrBeSi, LiGaGe, TiNiSi, ZrNiAl and CeCu2. Single-crystal refinements were made for YbZnSn (LiGaGe type) with complete atomic ordering, and for SrCdSn, BaCdSn and BaCdPb with disordered CeCu2 structure. A two-dimensional structural map is proposed accounting for 83 RMX phases formed by alkaline earths, europium and ytterbium with the same valence electron concentration ( 8 3 electrons per atom).
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http://hdl.handle.net/11567/333176| Titolo: | RMX compounds formed by alkaline earths, europium and ytterbium II: Ternary phases with M ≡ Zn, Cd and X ≡ Si, Ge, Sn, Pb |
| Autori interni: | MERLO, FRANCO PANI, MARCELLA FORNASINI, MARIA LUISA |
| Data di pubblicazione: | 1991 |
| Rivista: | JOURNAL OF THE LESS-COMMON METALS |
| Abstract: | 25 new RMX phases (R ≡ Ca, Sr, Ba, Eu, Yb; M ≡ Zn, Cd; X ≡ Si, Ge, Sn, Pb) were found to crystallize in the structure types ZrBeSi, LiGaGe, TiNiSi, ZrNiAl and CeCu2. Single-crystal refinements were made for YbZnSn (LiGaGe type) with complete atomic ordering, and for SrCdSn, BaCdSn and BaCdPb with disordered CeCu2 structure. A two-dimensional structural map is proposed accounting for 83 RMX phases formed by alkaline earths, europium and ytterbium with the same valence electron concentration ( 8 3 electrons per atom). |
| Handle: | http://hdl.handle.net/11567/333176 |
| Appare nelle tipologie: | 01.01 - Articolo su rivista |
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