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Thermoelectric properties of tunnel junctions |
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| Authors: | Igor E Protsenko |
| Institution: | (1) DCCI, University of Genoa, Via Dodecaneso 31, 16146 Genoa, Italy;(2) INSTM – Genoa Research Unit of National Consortium of Materials Science and Technology, Via Dodecaneso 31, 16146 Genoa, Italy;(3) CNR-SPIN Genova, Corso Perrone 24, 16152 Genoa, Italy;(4) CNR-IMEM, Via Dodecaneso 33, 16146 Genoa, Italy; |
| Abstract: | The thermoelectric (Seebeck) coefficient α and thermoelectric quality factor (figure of merit) ZT are estimated for a tunnel junction in metals. It is shown that α can be of the order of hundreds of μV/K while ZT can approach values ∼0.1–1. The maxima of α(h) and ZT(h) correspond to a certain width h of the tunnel junction; such h is about a few nanometers. The results we obtained can find applications in the constructions of novel thermoelectric generators. |
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