Novel nanoscale thermal property imaging technique: The 2ω method. I. Principle and the 2ω signal measurement. Roh, H. H.; Lee, J. S.; Kim, D. L.; Park, J.; Kim, K.; Kwon, O.; Park, S. H.; Choi, Y. K.; and Majumdar, A. Journal of Vacuum Science & Technology B, 24:2398-2404, 2006/09/01, 2006.
Novel nanoscale thermal property imaging technique: The 2ω method. I. Principle and the 2ω signal measurement [link]Paper  abstract   bibtex   
In this and the following companion articles, the authors present the 2 ω method, a novel ac mode local thermal property imaging technique with nanoscale spatial resolution. To demonstrate the use of the thermoelectric probe as an active one that can function as both a heater and a temperature sensor, the authors develop and implement the 2 ω signal measurement technique, which can extract thermoelectric signals from a thermocouple junction while electrically heating it simultaneously. The principle of the 2 ω signal measurement technique is explained by a steady periodic electrothermal analysis. The authors use a specially designed test pattern to experimentally verify that the 2 ω signal is caused by the temperature oscillation induced by Joule heating. In addition, based on the results from an experiment using a cross-shaped pattern, the measurement accuracy of the 2 ω method depends on the junction size of the thermoelectric probe. The 2 ω method is implemented and compared with other methods in the following companion paper.
@article {675,
	title = {Novel nanoscale thermal property imaging technique: The 2ω method. I. Principle and the 2ω signal measurement},
	journal = {Journal of Vacuum Science \& Technology B},
	volume = {24},
	year = {2006},
	month = {2006/09/01},
	pages = {2398-2404},
	abstract = {In this and the following companion articles, the authors present the 2 ω method, a novel ac mode local thermal property imaging technique with nanoscale spatial resolution. To demonstrate the use of the thermoelectric probe as an active one that can function as both a heater and a temperature sensor, the authors develop and implement the 2 ω signal measurement technique, which can extract thermoelectric signals from a thermocouple junction while electrically heating it simultaneously. The principle of the 2 ω signal measurement technique is explained by a steady periodic electrothermal analysis. The authors use a specially designed test pattern to experimentally verify that the 2 ω signal is caused by the temperature oscillation induced by Joule heating. In addition, based on the results from an experiment using a cross-shaped pattern, the measurement accuracy of the 2 ω method depends on the junction size of the thermoelectric probe. The 2 ω method is implemented and compared with other methods in the following companion paper.},
	keywords = {Temperature measurement, Thermal properties, Thermocouples, Thermoelectric devices, Thermoelectric effects},
	isbn = {2166-2746, 2166-2754},
	url = {http://scitation.aip.org/content/avs/journal/jvstb/24/5/10.1116/1.2353842},
	author = {Roh, Hee Hwan and Lee, Joon Sik and Kim, Dong Lib and Park, Jisang and Kim, Kyeongtae and Kwon, Ohmyoung and Park, Seung Ho and Choi, Young Ki and Majumdar, Arun}
}
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