Radiation tolerance of two-dimensional material-based devices for space applications

Abstract

Characteristic for devices based on two-dimensional materials are their low size, weight and power requirements. This makes them advantageous for use in space instrumentation, including photovoltaics, batteries, electronics, sensors and light sources for long-distance quantum communication. Here, we present for the first time a comprehensive study on combined radiation effects in earth's atmosphere on various devices based on these nanomaterials. Using theoretical modeling packages, we estimate relevant radiation levels and then expose field-effect transistors, single-photon sources and monolayers as building blocks for future electronics to gamma-rays, protons and electrons. The devices show negligible change in performance after the irradiation, suggesting robust suitability for space use. Under excessive $\gamma$-radiation, however, monolayer WS${}_2$ showed decreased defect densities, identified by an increase in photoluminescence, carrier lifetime and a change in doping ratio proportional to the photon flux. The underlying mechanism was traced back to radiation-induced defect healing, wherein dissociated oxygen passivates sulfur vacancies.

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Cited by in corpus (25)

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• NaCl-assisted CVD growth of wafer scale high quality trilayer MoS${}_2$ and the role of concentration boundary layer
• Tailoring the Emission Wavelength of Color Centers in Hexagonal Boron Nitride for Quantum Applications
• Electron irradiation on multilayer PdSe${}_2$ field effect transistors
• Quantum Optics Applications of Hexagonal Boron Nitride Defects
• Sensitive single-photon test of extended quantum theory with 2D hexagonal boron nitride
• The hBN defects database: a theoretical compilation of color centers in hexagonal boron nitride
• An ultrastable and robust single-photon emitter in hexagonal boron nitride
• The ideal wavelength for daylight free-space quantum key distribution
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• QUICK${}^3$ -- Design of a satellite-based quantum light source for quantum communication and extended physical theory tests in space
• Comprehensive scheme for identifying defects in solid-state quantum systems
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• Comparative study of quantum emitter fabrication in wide bandgap materials using localized electron irradiation
• Radiation-hardened and Repairable MoS${}_2$ Field Effect Devices with Polymer Solid Electrolyte Gates
• Modeling the performance and bandwidth of single-atom adiabatic quantum memories
• Nanoparticle Stressor-Induced Single-photon Sources in Monolayer WS${}_2$ Emitting into a Narrowband Visible Spectral Range
• Photoluminescence-Based Gas Sensing with MoS2 Monolayers
• Radiation-resistant aluminium alloy for space missions in the extreme environment of the solar system
• Impact of 150keV and 590keV proton irradiation on monolayer MoS2
• Insights into the Nature of Quantum Emitters in Electron-Irradiated hexagonal Boron Nitride