Selective ALD

07 Deposition, Epitaxy & Thin Films

Notation AS-ALD

Definition

Atomic layer deposition that exploits differences in surface chemistry to favor film growth on selected surface areas while suppressing growth on others.

Application

Used for self-aligned thin-film patterning; demonstrated for growing hafnium oxide selectively on platinum bottom electrodes in resistive RAM devices.

Related search terms

area-selective ALD; area-selective atomic layer deposition

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Related concepts

Evidence and further reading