The Ultrafast Laser Pump-Probe Technique for Thermal Characterization of Materials With Micro/Nanostructures

Jie Zhu, Xuewang Wu, Dustin M. Lattery, Wei Zheng, Xiaojia Wang

Research output: Contribution to journalReview article

10 Citations (Scopus)

Abstract

Advances in nano-electronics, nano-optics, energy harvesting materials, and nanoparticle-based photothermal therapies are motivating studies of the thermal properties of micro/nanostructures. Thus, the demands for highly sensitive and accurate thermal measurement techniques are encouraged for both fundamental studies and industrial applications. The time-domain thermoreflectance (TDTR) method, based on an ultrafast pump-probe technique, enables high-fidelity thermal measurements at the micro/nanoscale and the observation of dynamic processes with sub-picosecond time resolution. TDTR is an optical technique, capable of measuring the thermal properties of micro/nanostructures, including thermal conductivity and interfacial thermal conductance of bulk substrates, thin films, and nanoparticles, among others. Here we review some recent developments in the state-of-the-art ultrafast pump-probe method applied to study the thermal and magnetic properties of materials at the micro- and nanometer scales. We also discuss in detail improvements to this technique by presenting several example extensions to its capabilities.

Original languageEnglish (US)
Pages (from-to)177-198
Number of pages22
JournalNanoscale and Microscale Thermophysical Engineering
Volume21
Issue number3
DOIs
StatePublished - Jul 3 2017

Fingerprint

Ultrafast lasers
Nanostructures
Thermodynamic properties
thermodynamic properties
Pumps
pumps
probes
Nanoparticles
lasers
nanoparticles
Nanoelectronics
Energy harvesting
Industrial applications
micrometers
therapy
Optics
Thermal conductivity
Magnetic properties
thermal conductivity
optics

Keywords

  • thermal characterization
  • time-domain thermoreflectance
  • time-resolved magneto-optical Kerr effect
  • transient absorption
  • Ultrafast pump-probe method

How much support was provided by MRSEC?

  • Partial

Reporting period for MRSEC

  • Period 4

Cite this

The Ultrafast Laser Pump-Probe Technique for Thermal Characterization of Materials With Micro/Nanostructures. / Zhu, Jie; Wu, Xuewang; Lattery, Dustin M.; Zheng, Wei; Wang, Xiaojia.

In: Nanoscale and Microscale Thermophysical Engineering, Vol. 21, No. 3, 03.07.2017, p. 177-198.

Research output: Contribution to journalReview article

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