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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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Precursor Reactivity with SiH Surface by IR<br />

La amidinate reacts<br />

with nearly all the<br />

Si-H bonds in only<br />

3 cycles<br />

Hf alkylamide only<br />

reacts with half of<br />

the Si-H bonds on<br />

the surface even<br />

after many cycles<br />

=> Completely uni<strong>for</strong>m surface coverage by La amidinate<br />

Details of the infrared data were given at AVS Conference <strong>ALD</strong> 2007 by<br />

J. Kwon, M. Dai, E. Langereis, Y. Chabal, K.-H. Kim <strong>and</strong> R. G. Gordon.<br />

Harvard University

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