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Title: Characterization of the temperature dependence of the thermoreflectance coefficient for conductive thin films

Journal Article · · Review of Scientific Instruments
DOI:https://doi.org/10.1063/1.4907354· OSTI ID:1369748
 [1];  [2];  [1]
  1. Univ. of California, Santa Cruz, CA (United States); Purdue Univ., West Lafayette, IN (United States)
  2. Purdue Univ., West Lafayette, IN (United States)

In this work, we describe a novel approach for calibration of the thermoreflectance coefficient, ideally suited for measurements in a vacuum thermostat, and present the high temperature thermoreflectance coefficients for several metals commonly encountered in electronic devices: gold, platinum, and aluminum. The effect of passivation on these metals is also explored, and we demonstrate the signal to noise ratio of a thermoreflectance measurement can be improved with informed selection of the dielectric layer thickness. Additionally, the thermo-optic coefficients of the metals are extracted over a wide temperature range. The results presented here can be utilized in the optimization of experimental configurations for high temperature thermoreflectance imaging.

Research Organization:
Univ. of California, Santa Barbara, CA (United States). Energy Frontier Research Center (EFRC) Center for Energy Efficient Materials (CEEM)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Army Research Office (ARO)
Grant/Contract Number:
SC0001009
OSTI ID:
1369748
Alternate ID(s):
OSTI ID: 1228545
Journal Information:
Review of Scientific Instruments, Vol. 86, Issue 2; Related Information: CEEM partners with the University of California, Santa Barbara (lead); Purdue University; Los Alamos National Laboratory; National Renewable Energy Laboratory; ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 60 works
Citation information provided by
Web of Science

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Cited By (10)

Tutorial: Time-domain thermoreflectance (TDTR) for thermal property characterization of bulk and thin film materials journal October 2018
A steady-state thermoreflectance method to measure thermal conductivity journal February 2019
Hot carrier dynamics in a dispersionless plasmonic system journal December 2019
Unraveling Phononic, Optoacoustic, and Mechanical Properties of Metals with Light-Driven Hypersound journal January 2020
Magneto-Optical Detection of the Spin Hall Effect in Pt and W Thin Films journal August 2017
Magneto-Optical Detection of the Spin Hall Effect in Pt and W Thin Films text January 2017
Hot carrier dynamics in a dispersionless plasmonic system text January 2019
Simultaneous imaging of magnetic field and temperature distributions by magneto optical indicator microscopy journal March 2017
Optical birefringence imaging of x-ray excited lithium tantalate journal August 2017
A numerical fitting routine for frequency-domain thermoreflectance measurements of nanoscale material systems having arbitrary geometries journal January 2021

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