Understanding Metal-Semiconductor Interfaces in the atomically thin limit

Deep Jariwala

doi:10.1117/12.2567583

21 August 2020 Understanding Metal-Semiconductor Interfaces in the atomically thin limit

Deep Jariwala

Proceedings Volume 11465, Low-Dimensional Materials and Devices 2020; 114650E (2020) https://doi.org/10.1117/12.2567583
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

Metal-semiconductor contacts have been the subject of intense investigation and study for several decades. With the advent of atomically-thin semiconductors new opportunities have emerged in investigating these mysterious yet, critical buried interfaces. In this talk we will show our recent advances in probing the nature of these contacts by a variety of scanning probe techniques. The primary model system will be that a bulk noble metal such as gold or silver and a 2D chalcogenides semiconductor such a molybdenum disulfide (MoS2). We will discuss impact of contact type and evaporation technique on the electrical and optical properties of the junction and suggest ways to make idealized contacts. We will then extend our analysis to looking at the same interface from an optical perspective and investigating hybrid states of excitons and plasmons observed via near-field photoluminescence micro-spectroscopy.

Conference Presentation

Citation Download Citation

Deep Jariwala "Understanding Metal-Semiconductor Interfaces in the atomically thin limit", Proc. SPIE 11465, Low-Dimensional Materials and Devices 2020, 114650E (21 August 2020); https://doi.org/10.1117/12.2567583

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