期刊
APPLIED PHYSICS LETTERS
卷 94, 期 8, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3090487
关键词
aluminium; aluminium alloys; copper alloys; metal-insulator boundaries; metallic glasses; nickel alloys; silicon; thermal conductivity; yttrium compounds; zirconium alloys
资金
- United States National Science Foundation (U. S. NSF) [CBET-0547122]
- Thomas F. and Kate Miller Jeffress Memorial Trust [J-799]
- Institute for Critical Technology and Applied Science
- U. S. NSF
- Combined ResearchCurriculum Development (CRCD) Program [EEC-9527527, EEC-0203415]
- The Integrative Graduate Education and Research Training (IGERT) Program [DGE-9987548]
- The International Materials Institutes (IMI) Program [DMR-0231320]
We examine the thermal conductivity k and interface thermal conductance G for amorphous and crystalline Zr47Cu31Al13Ni9 alloys in contact with polycrystalline Y2O3. Using time-domain thermoreflectance, we find k=4.5 W m(-1) K-1 for the amorphous metallic alloy of Zr47Cu31Al13Ni9 and k=5.0 W m(-1) K-1 for the crystalline Zr47Cu31Al13Ni9. We also measure G=23 MW m(-2) K-1 for the metallic glass/Y2O3 interface and G=26 MW m(-2) K-1 for the interface between the crystalline Zr47Cu31Al13Ni9 and Y2O3. The thermal conductivity of the crystalline Y2O3 layer is found to be k=5.0 W m(-1) K-1, and the conductances of Al/Y2O3 and Y2O3/Si interfaces are 68 and 45 MW m(-2) K-1, respectively.
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