TY - JOUR
T1 - Long delay time study of thermal transport and thermal stress in thin Pt film-glass substrate system by time-domain thermoreflectance measurements
AU - Yan, Shen
AU - Dong, Cheng
AU - Miao, Tingting
AU - Wang, Wei
AU - Ma, Weigang
AU - Zhang, Xing
AU - Kohno, Masamichi
AU - Takata, Yasuyuki
N1 - Funding Information:
This work was supported by the National Natural Science Foundation of China (Grant Nos. 51406236, 51576105, 51327001, and 51336009), the Science Foundation of China University of Petroleum, Beijing (Grant Nos. 2462013YJRC027, and 2462015YQ0402), the Science Fund for Creative Research Groups (Grant No. 51321002), and Tsinghua University Initiative Scientific Research Program.
Publisher Copyright:
© 2016 Elsevier Ltd
PY - 2017/1/25
Y1 - 2017/1/25
N2 - Solid state thermoelectric devices are desirable for various sustainable applications. Most of these thin film devices are multilayered structures which requires thorough understanding of thermal transport and thermal stress in order to solve thermal issues. In this paper the experimental technology as well as theoretical model of long delay time pump-probe study with four different illumination configurations have been developed to comprehensively characterize the thermal transport and thermal stress of thin film, substrate and the interface. Furthermore, 94-nm-thick Pt film-glass substrate system has been studied by applying time-domain thermoreflectance measurements under four illumination configurations with high signal quality. The obtained time-dependent temperature signal is superposed by the effects of multilayered thermal transport and thermal stress spontaneously, and the corresponding theoretical predictions match well with the experimental data in the whole delay time range. The determined thermal conductivity of the Pt film shows significant size effect.
AB - Solid state thermoelectric devices are desirable for various sustainable applications. Most of these thin film devices are multilayered structures which requires thorough understanding of thermal transport and thermal stress in order to solve thermal issues. In this paper the experimental technology as well as theoretical model of long delay time pump-probe study with four different illumination configurations have been developed to comprehensively characterize the thermal transport and thermal stress of thin film, substrate and the interface. Furthermore, 94-nm-thick Pt film-glass substrate system has been studied by applying time-domain thermoreflectance measurements under four illumination configurations with high signal quality. The obtained time-dependent temperature signal is superposed by the effects of multilayered thermal transport and thermal stress spontaneously, and the corresponding theoretical predictions match well with the experimental data in the whole delay time range. The determined thermal conductivity of the Pt film shows significant size effect.
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U2 - 10.1016/j.applthermaleng.2016.08.110
DO - 10.1016/j.applthermaleng.2016.08.110
M3 - Article
AN - SCOPUS:84994143497
VL - 111
SP - 1433
EP - 1440
JO - Journal of Heat Recovery Systems
JF - Journal of Heat Recovery Systems
SN - 1359-4311
ER -