Clarifying the atomic structure of glass is one of the most important, yet unsolved issues in science. Silicon dioxide - crystalline and amorphous. Figure 1(a) illustrates how similar crystalline and ...

The crystal chemistry of these minerals is governed by the interplay between the tetrahedral silicate units and various titanium-based polyhedra – often octahedral – that influence the ...

Meet Bille, the name given to the world's first monostable tetrahedron—a four-faced object that will always land on the same ...

Clarifying the atomic structure of glass is one of the most important, yet unsolved issues in science. Silicon dioxide - crystalline and amorphous: Figure 1(a) illustrates how similar crystalline and ...

Structure of 'concrete disease' solved Previously undocumented sheet-silicate crystal structure Date: November 5, 2015 Source: Swiss Federal Laboratories for Materials Science and Technology (EMPA) ...

Scientists confirm original tetrahedral model of molecular structure of water Date: February 11, 2013 Source: Universität Mainz Summary: Researchers have confirmed the original model of the ...

Structure of Bi 2 SiO 5 at 773 and 300 K. Single crystalline Bi 2 SiO 5 was fabricated by a melting and solidification process via an intermediate glassy state. ... The origin of ferroelectricity of ...