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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52038


    Title: Bipolar Thermoelectric Effect in a Serially Coupled Quantum Dot System
    Authors: Kuo,DMT;Chang,YC
    Contributors: 電機工程學系
    Keywords: DEVICES;MERIT
    Date: 2011
    Issue Date: 2012-03-28 10:13:54 (UTC+8)
    Publisher: 國立中央大學
    Abstract: The Seebeck coefficient (S) of a serially coupled quantum dot (SCQD) junction system is theoretically studied via a two-level Anderson model. A change of sign in S with respect to temperature is found, which arises from the competition between tunneling currents due to electrons and holes (i.e., bipolar tunneling effect). The change of sign in S implies that one can vary the equilibrium temperature to produce thermoelectric current in either the forward or reverse direction, leading to a bipolar thermoelectric effect. For the case of two parallel SCQDs, we also observe the oscillatory behavior of S with respect to temperature. (C) 2011 The Japan Society of Applied Physics
    Relation: JAPANESE JOURNAL OF APPLIED PHYSICS
    Appears in Collections:[電機工程學系] 期刊論文

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