Please use this identifier to cite or link to this item: https://doi.org/10.1002/adfm.201002436
Title: An electrically tuned solid-state thermal memory based on metal-insulator transition of single-crystalline VO2 nanobeams
Authors: Xie, R. 
Bui, C.T.
Varghese, B. 
Zhang, Q.
Sow, C.H. 
Li, B. 
Thong, J.T.L. 
Issue Date: 10-May-2011
Source: Xie, R., Bui, C.T., Varghese, B., Zhang, Q., Sow, C.H., Li, B., Thong, J.T.L. (2011-05-10). An electrically tuned solid-state thermal memory based on metal-insulator transition of single-crystalline VO2 nanobeams. Advanced Functional Materials 21 (9) : 1602-1607. ScholarBank@NUS Repository. https://doi.org/10.1002/adfm.201002436
Abstract: A solid-state thermal memory that can store and retain thermal information with temperature states as input and output is demonstrated experimentally. A single-crystal VO2 nanobeam is used, undergoing a metal-insulator transition at ∼340 K, to obtain a nonlinear and hysteresis response in temperature. It is shown that the application of a voltage bias can substantially tune the characteristics of the thermal memory, to an extent that the heat conduction can be increased ∼60%, and the output HIGH/LOW temperature difference can be amplified over two orders of magnitude compared to an unbiased device. The realization of a solid-state thermal memory combined with an effective electrical control thus allows the development of practical thermal devices for nano- to macroscale thermal management. © 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: Advanced Functional Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/81949
ISSN: 1616301X
DOI: 10.1002/adfm.201002436
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