Thin films with ultra-low thermal expansion

Namiko Yamamoto, Eleftherios Gdoutos, Risaku Toda, Victor White, Harish Manohara, Chiara Daraio

Research output: Contribution to journalArticle

44 Scopus citations

Abstract

Ultra-low coefficient of thermal expansion (CTE) is an elusive property, and narrow temperature ranges of operation and poor mechanical properties limit the use of conventional materials with low CTE. We structured a periodic micro-array of bi-metallic cells to demonstrate ultra-low effective CTE with a wide temperature range. These engineered tunable CTE thin film can be applied to minimize thermal fatigue and failure of optics, semiconductors, biomedical sensors, and solar energy applications.

Original languageEnglish (US)
Pages (from-to)3076-3080
Number of pages5
JournalAdvanced Materials
Volume26
Issue number19
DOIs
StatePublished - May 21 2014

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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    Yamamoto, N., Gdoutos, E., Toda, R., White, V., Manohara, H., & Daraio, C. (2014). Thin films with ultra-low thermal expansion. Advanced Materials, 26(19), 3076-3080. https://doi.org/10.1002/adma.201304997