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PROBING NANOSCALE HEAT TRANSFER PHENOMENA

DOI: 10.1615/AnnualRevHeatTransfer.v16.10
pages 1-6

Gang Chen
Mechanical Engineering Department, Massachusetts Institute of Technology, Cambridge, MA 02139, USA

Abstract

Significant progress has been made in the characterization of thermal transport in micro- nanostructures, leading to new understandings and opening new applications. This volume summarizes key advances made in experimental techniques at micro- and nanoscales. This chapter provides an overview of this volume and comments on remaining challenges and future directions. Three chapters in this volume are devoted to microfabricated structures to measure thermal and thermoelectric provides of thin films and nanowires. The next three chapters summarize optical techniques such as the photoacoustic technique and the pumpprobe technique to measure thermal conductivity and thermal interface resistance of thin films, and the emerging thermal conductivity spectroscopy technique to map out phonon mean free path distributions. Three chapters are devoted to explore applications of scanning probe techniques to studying thermal transport, including one on local thermal and thermoelectric property measurements, one on heated atomic force microscope cantilevers and their applications, and one on the characterization of single molecules. Two chapters were devoted to near-field and far-field thermal radiation characterization.

ARHT Digital Library

Illustration of composite TIMs with a percolation of spherical nanoparticles, and high aspect ratio nanowires. NANOSTRUCTURED THERMAL INTERFACES
Photograph of copper/diamond sintered wick structure. RECENT ADVANCES IN TWO-PHASE THERMAL GROUND PLANES
The microchannel with a single pillar used by Jung et al., and an SEM image of the pillar with a flow control slit at 180 deg (facing downstream). ADVANCED CHIP-LEVEL LIQUID HEAT EXCHANGERS
Schematics of thermal boundary conductance calculations. NONEQUILIRIUM MOLECULAR DYNAMICS METHODS FOR LATTICE HEAT CONDUCTION CALCULATIONS