Jump to main content
Jump to site search

Issue 3, 2014
Previous Article Next Article

Nanoscale resolution scanning thermal microscopy using carbon nanotube tipped thermal probes

Author affiliations

Abstract

We present an experimental proof of concept of scanning thermal nanoprobes that utilize the extreme thermal conductance of carbon nanotubes (CNTs) to channel heat between the probe and the sample. The integration of CNTs into scanning thermal microscopy (SThM) overcomes the main drawbacks of standard SThM probes, where the low thermal conductance of the apex SThM probe is the main limiting factor. The integration of CNTs (CNT-SThM) extends SThM sensitivity to thermal transport measurement in higher thermal conductivity materials such as metals, semiconductors and ceramics, while also improving the spatial resolution. Investigation of thermal transport in ultra large scale integration (ULSI) interconnects, using the CNT-SThM probe, showed fine details of heat transport in ceramic layers, vital for mitigating electromigration in ULSI metallic current leads. For a few layer graphene, the heat transport sensitivity and spatial resolution of the CNT-SThM probe demonstrated significantly superior thermal resolution compared to that of standard SThM probes achieving 20–30 nm topography and ∼30 nm thermal spatial resolution compared to 50–100 nm for standard SThM probes. The outstanding axial thermal conductivity, a high aspect ratio and robustness of CNTs can make CNT-SThM the perfect thermal probe for the measurement of nanoscale thermophysical properties and an excellent candidate for the next generation of thermal microscopes.

Graphical abstract: Nanoscale resolution scanning thermal microscopy using carbon nanotube tipped thermal probes

Back to tab navigation

Publication details

The article was received on 29 Sep 2013, accepted on 11 Nov 2013 and first published on 11 Nov 2013


Article type: Paper
DOI: 10.1039/C3CP53047G
Citation: Phys. Chem. Chem. Phys., 2014,16, 1174-1181
  •   Request permissions

    Nanoscale resolution scanning thermal microscopy using carbon nanotube tipped thermal probes

    P. D. Tovee, M. E. Pumarol, M. C. Rosamond, R. Jones, M. C. Petty, D. A. Zeze and O. V. Kolosov, Phys. Chem. Chem. Phys., 2014, 16, 1174
    DOI: 10.1039/C3CP53047G

Search articles by author

Spotlight

Advertisements