期刊
ADVANCED MATERIALS
卷 24, 期 6, 页码 740-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201103809
关键词
two-dimensional electron gas; SrTiO3; thermopower; electric field modulation
类别
资金
- MEXT [22360271, 22015009]
- JSPS-FIRST
- Grants-in-Aid for Scientific Research [19053001, 19053003, 22015009, 22360271] Funding Source: KAKEN
Unusually large thermopower modulation is demonstrated using a field effect transistor structure on a thermoelectric material. An electric field application provides an extremely thin (similar to 2 nm) two-dimensional electron gas (2DEG), which exhibits unusually large thermopower, approximately five times larger than that of the bulk. The present electric field induced 2DEG approach may accelerate the development of nanostructures for high performance thermoelectric materials.
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