Researchers from Kyoto University have achieved a significant advancement in materials science by developing the world's first three-dimensional van der Waals open frameworks (WaaFs). This innovation ...

A team from Kyoto University has developed novel three-dimensional van der Waals frameworks that showcase exceptional stability and porosity. These materials, suitable for applications like gas ...

occupying the octahedral holes. Notice that the octahedral holes are along the edges (for a net of three cations) and in the center of the cube (one more cation). Thus we have four anions (FCC) and ...

THE effect known as the Widmanstatten structure is shown most clearly in those meteoric nickel-iron alloys in which the percentage of nickel lies between certain limits, roughly, from 7 to 14.

The general formula is AB 2 O 4. The oxygens form an fcc lattice. The A cations occupy tetrahedral holes, and the B cation occupy octahedral holes. It then follows that 1/8 of the tetrahedral holes ...

Van der Waals forces, once deemed too weak for structural integrity, have been shown to create stable, highly porous frameworks with exceptional thermal resilience and reversible assembly, paving the ...