bilayer

A structure, such as a film or membrane, consisting of two molecular layers.

A membrane layer two molecules thick.

• phospholipid b. — a layer containing two phospholipid molecules which is the basic structural unit of all biological membranes.

For bilayers in biology, see lipid bilayer

A bilayer is a double layer of closely packed atoms or molecules. The properties of bilayers are studied in condensed matter physics, often in the context of semiconductor devices, where two distinct materials are united to form junctions (such as p-n junctions, Schottky junctions, ...).

See also

• Monolayer
• Nanotube
• Semiconductor
• Thin film

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