Thus, the crystal structure of SiO2 determined reaction product in wetting interface, which was a dominating influence on the wettability of AgCuTi–SiO2f/SiO2 system.doi:10.1016/j.vacuum.2018.08.046Q. MaZ.R. LiH.W. NiuZ.Y. WangJ. Ma...
The prediction of structure at the atomic level is one of the most fundamental challenges in condensed matter science. Here we survey the current status of the field and consider recent developments in methodology, paying particular attention to approaches for surveying energy landscapes. We illustrate...
(6)A.,α=90,β=91.999(6),r=90,V=5038(3) A.3.Its structure is constructed from inorganic polyoxotungstate cluster,organic amine and crystallographic water molecules.Its three-dimensional packing structure shows two kinds of different channels filled with organic amine and inorganic water ...
Crystal forms of SiO2 single crystal. Let us find the mechanism by which charges occur on crystal surfaces on deformation. The hexagonal atomic crystal structure is shown in Figure 9.35a where silicon atoms are designated by a “+” sign and oxygen atoms are designated by a “–” sign. ...
A series of Yb3+, Ho3+ codoped BaGdF5 with different morphologies (nanoparticles, peanut-like and capsule-like submicrocrystals) and sizes (37–900 nm) are prepared by a facile additive-assisted hydrothermal route. The crystal structure of BaGdF5 solid-solution is firstly established via the ma...
Correlation of crystal structure and magnetic properties of Co(1−x)NixFe2O4/SiO2 nanocomposites The Co(1−x)NixFe2O4/SiO2 (x=0.0, 0.2, 0.4, 0.6, 0.8, 1.0) nanocomposites were prepared using the sol–gel method and characterized by Powder X-ray Diffr... S.,Kubickova,and,... -...
Growth and investigation of efficient self-frequency-doubling NdxGd1xCa4O(BO3)3 crystal 热度: Crystal structure refinement and hydration behaviour of 3CaO·SiO2 solid solutions with MgO Al2O3 and Fe2O3 热度: Phase transition and structure of (C3N2H5)2SbF5 single crystal 热度: 相关...
材料科学(3)crystal structure of metals
The crystal structure of Bi2Ti2O7 is depicted in Fig. 5(a). Bi2Ti2O7 belongs to the pyrochlore structure (A2B2O7) and is a face-centered cubic crystal system of Fd3m space group [9]. Ti4+ and six O2− form octahedrons, while Bi3+ and eight O2− form polyhedra. Tb3+ (...
Crystal Structure Study of New Lanthanide Silicates with Silico‐Carnotite Structure. The new compounds Ca3Ln2Si3O12 (Ln: La, Nd, Sm, Eu, Gd, Tb, Er, Lu) are synthesized by solid state reaction of CaCO3, SiO2, and Ln2O3 (1450 °C, 9 h) and t... F Piccinelli,A Lausi,A Spe...