Photon-controlled fabrication of amorphous superlattice structures using ArF (193 nm) excimer laser photolysis

D. H. Lowndes, D. B. Geohegan, D. Eres, S. J. Pennycook, D. N. Mashburn, G. E. Jellison

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Pulsed ArF (193 nm) excimer laser photolysis of disilane, germane, and disilane-ammonia mixtures has been used to deposit amorphous superlattices containing silicon, germanium, and silicon nitride layers. Transmission electron microscope cross-section views demonstrate that structures having thin (5-25 nm) layers and sharp interlayer boundaries can be deposited at substrate temperatures below the pyrolytic threshold, entirely under laser photolytic control.

Original languageEnglish
Pages (from-to)1868-1870
Number of pages3
JournalApplied Physics Letters
Volume52
Issue number22
DOIs
StatePublished - 1988

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