Title: Tomographic imaging and scanning thermal microscopy: thermal impedance tomography
Authors: Smallwood, R ×
Metherall, P
Hose, D
Delves, M
Pollock, H
Hammiche, A
Hodges, C
Mathot, Vincent
Willcocks, P #
Issue Date: Jan-2002
Publisher: Elsevier science bv
Series Title: Thermochimica acta vol:385 issue:1-2 pages:19-32
Abstract: The application of tomographic imaging techniques developed for medical applications to the data provided by the scanning thermal microscope will give access to true three-dimensional information on the thermal properties of materials on a micrometer length scale. In principle, the technique involves calculating and inverting a sensitivity matrix for a uniform isotropic material, collecting ordered data at several modulation frequencies, and multiplying the inverse of the matrix with the data vector. In practice, inversion of the matrix is impractical, and a novel iterative technique is used. Examples from both simulated and real data are given. (C) 2002 Elsevier Science B.V. All rights reserved.
ISSN: 0040-6031
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemistry - miscellaneous
× corresponding author
# (joint) last author

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