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Atomic Layer Deposition (ALD): An Enabler for Nanoscience and ...

Atomic Layer Deposition (ALD): An Enabler for Nanoscience and ...

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Precursors:<br />

Me 3 Al, H 2 O <strong>and</strong><br />

Harvard University<br />

Composition of <strong>ALD</strong> La xAl 1-xO 3/2<br />

tris(N,N’-diisopropyl<strong>for</strong>mamidinato)lanthanum<br />

( i Pr 2 -fmd) 3 La<br />

Growth conditions:<br />

Bubbler temperature 120 o C<br />

Substrate temperature 300 o C<br />

=> Composition control<br />

by changing ratio of<br />

precursor doses<br />

=> 2 x as many Al atoms<br />

as La atoms per dose<br />

N<br />

H<br />

C N<br />

N<br />

HC<br />

N<br />

La<br />

N<br />

N<br />

CH

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