Thermoelectricity in tunneling nanostructures

Vladimir N. Ermakov; Sergei P. Kruchinin; Thomas Pruschke; J. K. Freericks

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Thermoelectricity in tunneling nanostructures

机译：隧道纳米结构中的热电

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We employ a simple analytic model to calculate the thermopower of low-transparency molecular nanosystems. It turns out that the sign of the thermovoltage for this model depends sensitively on the participating molecular orbital, and one finds a sign change when the transport channel switches from the highest occupied molecular orbital to the lowest unoccupied molecular orbital. Comparing our results to recent experimental data obtained for a benzenedithiol molecule contacted with a scanning tunneling microscope tip, we observe good agreement.

机译：我们采用一个简单的分析模型来计算低透明度分子纳米系统的热功率。结果表明，该模型的热电压符号敏感地取决于参与的分子轨道，并且当传输通道从最高占据的分子轨道切换到最低的未占据的分子轨道时，人们发现了一个符号变化。将我们的结果与最近获得的苯二硫醇分子与扫描隧道显微镜尖端接触的实验数据进行比较，我们观察到了很好的一致性。

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来源
《Physical review》 |2015年第15期|155431.1-155431.7|共7页
作者
Vladimir N. Ermakov; Sergei P. Kruchinin; Thomas Pruschke; J. K. Freericks;
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作者单位

Bogolyubov Institute for Theoretical Physics, NASU, Kiev 03680, Ukraine;

Bogolyubov Institute for Theoretical Physics, NASU, Kiev 03680, Ukraine;

Institut fuer Theoretische Physik, Georg-August-Universitaet Goettingen, Friedrich-Hund-Platz 1, 37077 Goettingen, Germany;

Department of Physics, Georgetown University, Washington, DC 20057, USA;

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正文语种 eng
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thermoelectric devices; nanoscale materials and structures: fabrication andrncharacterization; electronic transport in nanoscale materials and structures;

机译：热电设备;纳米级材料和结构：制造和表征;纳米级材料和结构中的电子传输;

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Thermoelectricity in tunneling nanostructures

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