Texture evolution and stress in silver thin films on different substrates using X-ray diffraction

Yeongseok Zoo, Terry Alford

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Substrate surface roughness effects on Ag film texture were investigated using pole figure analysis. X-ray diffraction results confirmed that Ag thin films on smooth SiO2 substrates had strong {111} texture when compared with Ag films on polyethylene naphthalate (PEN). It was noted that the difference of strain energy density (ΔEe) in Ag film on PEN (0.039 MPa) was almost 5 times greater than that on SiO2 (0.0084 MPa). The comparison between surface and strain energies revealed that the {111} texture of Ag thin film on SiO2 was explained by minimization of the surface energy and the weaker {111} texture of Ag on PEN was a result of reduced diffusion length of Ag adatoms on the rough PEN surface.

Original languageEnglish (US)
Title of host publicationMaterials, Processes, Integration and Reliability in Advanced Interconnects for Micro- and Nanoelectronics
PublisherMaterials Research Society
Pages147-152
Number of pages6
ISBN (Print)9781558999503
DOIs
StatePublished - 2007
Event2007 MRS Spring Meeting - San Francisco, CA, United States
Duration: Apr 9 2007Apr 13 2007

Publication series

NameMaterials Research Society Symposium Proceedings
Volume990
ISSN (Print)0272-9172

Other

Other2007 MRS Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA
Period4/9/074/13/07

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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