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QUANTITATIVE TEMPERATURE PROFILING THROUGH NULL-POINT SCANNING THERMAL MICROSCOPY

DOI: 10.1615/ICHMT.2011.TMNN-2011.330
8 pages

Jaehun Chung
Korea University, School of Mechanical Engineering, Seoul 136-701, South Korea

KyeongTae Kim
Seoul National University, School of Mechanical and Aerospace Engineering, Seoul 151-744, South Korea

Gwangseok Hwang
Korea University, School of Mechanical Engineering, Seoul 136-701, South Korea

OhMyoung Kwon
Korea University, School of Mechanical Engineering, Seoul 136-701, South Korea

Young Ki Choi
Micro Thermal System Research Center, Department of Mechanical Engineering, Chung-Ang University, 221 HeukSuk-Dong, DongJak-Gu, Seoul, 156-756, KOREA

Joon Sik Lee
School of Mechanical and Aerospace Engineering, Seoul National University, San 56-1. Sillim-dong Gwanak-gu. Seoul 151-742 Korea

Abstrakt

We develop and demonstrate the theory and method of null-point scanning thermal microscopy, which can obtain quantitative temperature profiles, even when the heat conductance between the tip and the sample is disturbed due to abrupt changes in the surface topography or properties. Due to its generality, it would be widely applicable for a variety of problems associated with the thermal characterization of nanomaterials and nanodevices.

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