Structure of layered WSe2 thin films with ultralow thermal conductivity

Seongwon Kim, Jian Min Zuo, Ngoc T. Nguyen, David C. Johnson, David G. Cahill

Research output: Contribution to journalArticle

Abstract

Crystallographic ordering and defects in WSe2 thin films with ultralow thermal conductivity are characterized by electron imaging and diffraction in cross-sectional geometry. The results show that the film consists of oriented, coherent crystallites that are a few nanometers in diameter. Two films of different thickness with different thermal conductivity are compared. We show that the film with a lower thermal conductivity is characterized by less coherent crystallites with a greater degree of misorientation.

Original languageEnglish (US)
Pages (from-to)1064-1067
Number of pages4
JournalJournal of Materials Research
Volume23
Issue number4
DOIs
StatePublished - Apr 1 2008

ASJC Scopus subject areas

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

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