Physics

Revealing quantum effects in highly conductive δ-layer systems

D. Mamaluy, J. P. Mendez, et al.

Dive into groundbreaking research by Denis Mamaluy, Juan P. Mendez, Xujiao Gao, and Shashank Misra as they explore an innovative open-system quantum transport approach. This study reveals fascinating insights into electron states and conductivity in phosphorus δ-layers, shedding light on the mysteries of sub-bands and sheet resistance in silicon.

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Abstract

This paper presents an open-system quantum transport treatment to investigate the local density of electron states and conductive properties of δ-layer systems. Applying this treatment to phosphorus δ-layers in silicon explains the origin of recently observed shallow sub-bands and reproduces measured sheet resistance values. Analysis reveals two key quantum-mechanical effects: spatially distinct layers of free electrons with different average energies, and significant sheet resistance dependence on δ-layer thickness for a fixed sheet charge density.

Publisher

Communications Physics

Published On

Sep 13, 2021

Authors

Denis Mamaluy, Juan P. Mendez, Xujiao Gao, Shashank Misra

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