期刊
APPLIED PHYSICS LETTERS
卷 102, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4788924
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资金
- Royal Society
- UK EPSRC [EP/E0026206]
- French Carnot Programme
- UK EPSRC DTA
- Herchel Smith Fellowship
- Eurotalents Programme
- EPSRC [EP/E03389X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E03389X/1] Funding Source: researchfish
We present two techniques for directly measuring electrocaloric temperature change in a multilayer capacitor based on BaTiO3. Scanning thermal microscopy with resolution 80 mK, and infra-red imaging with resolution 25 mK, each record electrocaloric temperature changes of similar to 0.5 K that match within error. We find that scanning thermal microscopy is more suitable for detecting giant electrocaloric effects in thin films with substrates present. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4788924]
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