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Nanoscience and Nanotechnology

2013

Coulomb blockade Coulomb staircase

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Full-Text Articles in Physics

Stochastic Charge Transport In Multi-Island Single-Electron Tunneling Devices, Madhusudan A. Savaikar Jan 2013

Stochastic Charge Transport In Multi-Island Single-Electron Tunneling Devices, Madhusudan A. Savaikar

Dissertations, Master's Theses and Master's Reports - Open

The physics of the operation of singe-electron tunneling devices (SEDs) and singe-electron tunneling transistors (SETs), especially of those with multiple nanometer-sized islands, has remained poorly understood in spite of some intensive experimental and theoretical research. This computational study examines the current-voltage (IV) characteristics of multi-island single-electron devices using a newly developed multi-island transport simulator (MITS) that is based on semi-classical tunneling theory and kinetic Monte Carlo simulation. The dependence of device characteristics on physical device parameters is explored, and the physical mechanisms that lead to the Coulomb blockade (CB) and Coulomb staircase (CS) characteristics are proposed.

Simulations using MITS demonstrate ...