In a Face Centered Cubic Lattice?

A face-centered cubic unit cell structure consists of atoms arranged in a cube where each corner of the cube has a fraction of an atom with six additional full atoms positioned at the center of each cube face. The atoms at the corner of the cube are shared with eight other unit cells.

What is a face centered lattice?

A face-centered cubic solid has atoms at the corners and, as the name implies, at the centers of the faces of its unit cells. Atoms in an FCC arrangement are packed as closely together as possible, with atoms occupying 74% of the volume. This structure is also called cubic closest packing (CCP).

What is the order of face-centered cubic lattice?

The packing efficiency of the face centered cubic (fcc) , body centered cubic (bcc) and simple primitive cubic (pc) lattices follows the order: (1) fcc > bcc > pc (2) bcc > fcc > pc (3) pc < bcc < fcc (4) bcc < pc < fcc.