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Reference.org
Layer by layer
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<p>Layer-by-layer (LbL) deposition is a <a href="/facts/Thin_film/nSeoUT4Q">thin film</a> fabrication technique. The films are formed by depositing alternating layers of complementary materials with wash steps in between. This can be accomplished by using various techniques such as immersion, spin, spray, electromagnetism, or fluidics. </p>