Zimbovskaya Natalya A
Department of Physics and Electronics, University of Puerto Rico-Humacao, CUH Station, Humacao, PR 00791, United States of America.
J Phys Condens Matter. 2020 May 12;32(32). doi: 10.1088/1361-648X/ab83e9.
Nanoscale rectifiers are known to have significant nanoelectronic and nanoheatronic applications. In the present work we theoretically analyze rectifying properties of a junction including a couple of quantum dots asymmetrically coupled to the electrodes. The charge and heat current rectification in the system is controlled by the dots occupation numbers and interdot Coulomb interactions. We examine the dependencies of the rectification ratio on the electron energy levels on the dots, on the intensity of electron-electron interactions, on the gate and bias voltages and on the thermal gradients applied across the system. It is shown that the considered double-dot system possesses significant potentialities as a common as well as a heat diode.
已知纳米级整流器具有重要的纳米电子学和纳米热电子学应用。在本工作中，我们从理论上分析了一个结的整流特性，该结包括一对与电极不对称耦合的量子点。系统中的电荷和热电流整流由量子点的占据数和量子点间的库仑相互作用控制。我们研究了整流比与量子点上的电子能级、电子 - 电子相互作用强度、栅极和偏置电压以及施加在系统上的热梯度之间的依赖关系。结果表明，所考虑的双量子点系统作为普通二极管以及热二极管都具有显著的潜力。
