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DOI: 10.1039/c4nr00127c
OpenAccess: Closed
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Thermoelectric voltage measurements of atomic and molecular wires using microheater-embedded mechanically-controllable break junctions
Takanori Morikawa,Akihide Arima,Makusu Tsutsui,Masateru Taniguchi
Microheater
Thermoelectric effect
Break junction
2014
We developed a method for simultaneous measurements of conductance and thermopower of atomic and molecular junctions by using a microheater-embedded mechanically-controllable break junction. We find linear increase in the thermoelectric voltage of Au atomic junctions with the voltage added to the heater. We also detect thermopower oscillations at several conductance quanta reflecting the quantum confinement effects in the atomic wire. Under high heater voltage conditions, on the other hand, we observed a peculiar behaviour in the conductance dependent thermopower, which was ascribed to a disordered contact structure under elevated temperatures.
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“Thermoelectric voltage measurements of atomic and molecular wires using microheater-embedded mechanically-controllable break junctions” is a paper by Takanori Morikawa Akihide Arima Makusu Tsutsui Masateru Taniguchi published in 2014. It has an Open Access status of “closed”. You can read and download a PDF Full Text of this paper here.