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|Title:||An electrically tuned solid-state thermal memory based on metal-insulator transition of single-crystalline VO2 nanobeams|
|Authors:||Xie, R. |
|Citation:||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|
|Appears in Collections:||Staff Publications|
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