Scanning AC nanocalorimetry study of Zr/B reactive multilayers

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The reaction of Zr/B multilayers with a 50 nm modulation period has been studied using scanning AC nanocalorimetry at a heating rate of approximately 10(3) K/s. We describe a data reduction algorithm to determine the rate of heat released from the multilayer. Two different exothermic peaks are identified in the nanocalorimetry signal: a shallow peak at low temperature (200-650 degrees C) and a sharp peak at elevated temperature (650-800 degrees C). TEM observation shows that the first peak corresponds to heterogeneous inter-diffusion and amorphization of Zr and B while the second peak is due to the crystallization of the amorphous Zr/B alloy to form ZrB2. (C) 2013 AIP Publishing LLC.
Publisher
AMER INST PHYSICS
Issue Date
2013-12
Language
English
Article Type
Article
Keywords

THIN-FILM REACTIONS; COMBINATORIAL NANOCALORIMETRY; ULTRATHIN FILMS; ZIRCONIUM; FOILS; CERAMICS; PHASE

Citation

JOURNAL OF APPLIED PHYSICS, v.114, no.21

ISSN
0021-8979
DOI
10.1063/1.4833572
URI
http://hdl.handle.net/10203/240182
Appears in Collection
ME-Journal Papers(저널논문)
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