(Ti <sub>0.5</sub> Nb <sub>0.5</sub> ) <sub>5</sub> AlC <sub>4</sub> : A New‐Layered Compound Belonging to MAX Phases
Liya ZhengShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
Jiemin WangShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
Xinpo LuShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
Fangzhi LiShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
Jingyang WangShenyang National Laboratory for Materials Science, Institute of Metal Research Chinese Academy of Sciences, Shenyang 110016, ChinaYanchun ZhouShenyang National Laboratory for Materials Science, Institute of Metal Research Chinese Academy of Sciences, Shenyang 110016, China
2010en
ABI
Аннотация
A new‐layered compound, (Ti 0.5 Nb 0.5 ) 5 AlC 4 , which belongs to MAX phases was discovered. The new‐layered carbide was synthesized by reactive hot pressing of Ti, Nb, Al, and C powders. The crystal structure was determined by the combination of X‐ray diffraction and transmission electron microscopy analyses, which consists of a 5(Ti, Nb)–C bond chain linked by an Al layer. The lattice parameters are a =3.100 Å, c =28.89 Å, with Ti(Nb)1 at (0, 0, 0), Ti(Nb)2 at (1/3, 2/3, 0.0877), Ti(Nb)3 at (2/3, 1/3, 0.1723), Al at (0, 0, 0.25), C1 at (2/3, 1/3, 0.0463), and C2 at (0, 0, 0.1566).
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