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- W2901173669 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." @default.
- W2901173669 created "2018-11-29" @default.
- W2901173669 creator A5006687770 @default.
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- W2901173669 date "2019-03-13" @default.
- W2901173669 modified "2023-10-16" @default.
- W2901173669 title "Radiation tolerance of two-dimensional material-based devices for space applications" @default.
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- W2901173669 doi "https://doi.org/10.1038/s41467-019-09219-5" @default.
- W2901173669 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6416293" @default.
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