A TERNARY ALLOY WITH PBCL2-TYPE STRUCTURE: TINISI(E),
作者： C. B. Shoemaker , D. P. Shoemaker
DOI: 10.1107/S0365110X65002189
关键词: Orthorhombic crystal system 、 Intermetallic 、 Transition metal 、 Silicon 、 Crystallography 、 Ternary operation 、 Germanium 、 Materials science 、 Lattice (order) 、 Crystal structure
摘要: Abstract : Beck and coworkers have found E phases in several ternary systems of transition elements with either silicon or germanium at the composition 1:1:1. The crystal structure TiNiSi(E) has been determined refined by least squares (limited) three-dimensional single-crystal data to a final R value 0.086 (excluding 002 due apparent extinction, all nonobserved reflexions). lattice parameters for primitive orthorhombic cell are: sub 0 = 6.1484=0.0012, b 7.0173=0.0014, c 3.6698=0.0007 A. phase is isotypic PbCl2(C23), space group Pnam. All near-neighbor distances are within 0.06 A following average values: Ti-Ti 3.18, Ti-Ni 2.83, Ti-Si 2.61, Ni-Ni 2.67, Ni-Si 2.33 numbers nearneighbors compared those Co2Si, theta Ni2Si U3Si2. (Author)
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