Electrical and structural properties of ultrathin polycrystalline and epitaxial TiN films grown by reactive dc magnetron sputtering

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Abstract

Ultrathin TiN films were grown by reactive dc magnetron sputtering on amorphous SiO2 substrates and single-crystalline MgO substrates at 600°C. The resistance of the films was monitored in-situ during growth to determine the coalescence and continuity thicknesses. TiN films grown on SiO2 are polycrystalline and have coalescence and continuity thicknesses of 8 Å and 19 Å, respectively. TiN films grow epitaxially on the MgO substrates and the coalescence thickness is 2 Åand the thickness where the film becomes continuous cannot be resolved from the coalescence thickness. X-ray reflection measurements indicate a significantly higher density and lower roughness of the epitaxial TiN films.

Original languageEnglish
Title of host publicationMaterials, Processes, and Reliability for Advanced Interconnects for Micro- and Nanoelectronics - 2009
PublisherMaterials Research Society
Pages59-64
Number of pages6
ISBN (Print)9781605111292, 9781605111643
DOIs
Publication statusPublished - 2009
Event2009 MRS Spring Meeting - San Francisco, CA, United States
Duration: 13 Apr 200917 Apr 2009

Publication series

NameMaterials Research Society Symposium Proceedings
Volume1156

Conference

Conference2009 MRS Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA
Period13/04/0917/04/09

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