This guide offers a comprehensive look at metals, one of the most essential material groups in modern engineering. From their ...

But at higher pressures, iron atoms form the slightly tighter hcp structure, such that each atom has 12 neighbours – six in its own layer and three in those above and below it. Diamond anvils. The ...

In the HCP structure only two stacking locations are employed in the sequence which can be represented ... The diagrams below illustrate the geometry and space filling of this crystal structure. The ...

While the initial appearance of the CrMnFeCoNi alloy showed an fcc structure, the gradual pressure beginning with 14 GPa added to the metal mixture transformed this HEA to exhibit an HCP structure.