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Principle for detecting resonant states in thermoelectric materials using a superconductor tunneling junction

Min, Gao 2013. Principle for detecting resonant states in thermoelectric materials using a superconductor tunneling junction. Journal of Electronic Materials 42 (7) , pp. 1555-1557. 10.1007/s11664-012-2318-9

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Abstract

Recent theoretical studies indicate that the existence of resonant states near the Fermi level can lead to a significant improvement in the thermoelectric figure of merit. Experimental investigation of this concept requires determination of the existence of these resonant states. In this paper, we report a theoretical calculation on the I–V characteristic of a thermoelectric/insulator/superconductor-based tunneling junction. The results show that the resonant states can be detected by measuring the I–V characteristic of such a superconducting tunneling junction, which provides a theoretical basis for development of a measurement technique to detect the resonant states for thermoelectric materials.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Uncontrolled Keywords: Thermoelectric materials; heavy fermion; resonant states
Publisher: Springer
ISSN: 0361-5235
Last Modified: 04 Jun 2017 04:50
URI: https://orca.cardiff.ac.uk/id/eprint/45596

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