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Ammonothermal Crystal Growth of Germanium and Its Alloys: Synthesis of a Hollow Metallic Crystal

机译:锗及其合金的氨热晶体生长:中空金属晶体的合成

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Elemental germanium and other metals, including Cu, In, Ag, Bi, Sn, and In, are transported under acidic ammonothermal conditions from the hot zone of a sealed quartz tube to the cool zone, where both crystalline and amorphous materials can deposit. Red amorphous Ge deposites when finely divided Ge that is covered with surface oxide is used along with NH_4Br mineralizer. When the Ge feedstock is mixed with other metals or metal salts prior to heating, crystals of intermetallic compounds can be grown. Hexagonal crystals of a Cu-Sn-Ge alloy, Cu_3Ge, [Sn_6O_8Ge(NH_3)]_n, and unusual hollow crystals of a Ag-Sn-Ge alloy were obtained from these reactions.
机译:在酸性氨热条件下,元素锗和其他金属(包括Cu,In,Ag,Bi,Sn和In)从密封石英管的热区传输到冷却区,在该区可以沉积晶体和非晶材料。当与NH_4Br矿化剂一起使用被表面氧化物覆盖的细分的Ge时,会沉积红色无定形Ge。当在加热之前将Ge原料与其他金属或金属盐混合时,可以生长金属间化合物的晶体。从这些反应中获得了Cu-Sn-Ge合金的六方晶体Cu_3Ge,[Sn_6O_8Ge(NH_3)] _ n以及Ag-Sn-Ge合金的异常空心晶体。

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