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Associate Professor, Graduate School of Engineering, Nagoya University |
http://www.apchem.nagoya-u.ac.jp/BS-6/seigyo6/hiromichiohta/hiromichi_ohta_e.html |
Thermopower control of electric field induced two-dimensional conducting layer |
Thermoelectric energy conversion (TE) is one of the cleanest energy technologies because it can directly convert waste heat into electricity. Two-dimensional (2D) conductive layer in SrTiO3, which is thinner than the thermal de Broglie wavelength (λD), attracts a great attention as thermoelectric energy conversion material because it exhibits giant thermoelectric Seebeck coefficient (S) due to the quantum size effect. The aim of this study is realization of highly efficient TE material exhibiting giant S by controlling the thickness of 2D-conductive layer thinner than the lD, which is formed at the gate insulator/SrTiO3 heterointerface in SrTiO3 field effect transistors. |
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