The total dose effect of γ-ray induced domain evolution on α-In2Se3 nanoflakes

Literature Information

Publication Date 2020-03-30
DOI 10.1039/D0CP00512F
Impact Factor 3.676
Authors

Jinbin Wang, Xiangli Zhong, Xiaoping Ouyang


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Abstract

Two-dimensional ferroelectric materials can maintain stable polarization with atomic layer thickness, and they have a wide range of technological applications in transistors, resistive memories, energy collectors and other multi-functional sensors for highly integrated flexible electronics. Domain evolution should be considered when 2d ferroelectric material-based devices are applied in a radiation environment, which may induce radiation damage and performance degradation. In this work, we investigate the domain evolution and photodetection performance degradation of α-In2Se3 nanoflakes induced by the total dose effect of 60Co γ-rays. The phonon modes change with an increase in total dose, while the domain structure changes in α-In2Se3 based transistors. Domain evolution may be one of the main reasons for the photoresponsivity degradation of these transistors. This investigation can provide a solid base for future research, and immediate applications in 2d ferroelectric material-based devices can be contemplated.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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