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Cuprous Iodide Film Shows Promise for Semiconductors, Optoelectronics

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SAITAMA, Japan, April 9, 2021 — Physicists from RIKEN have taken a step to enhance semiconductor performance, developing a single-crystal thin film of cuprous iodide. The film is atomically flat and free of any defects. Conventional approaches for fabricating thin films of cuprous iodide without any impurities typically necessitate depositing the film from a solution. Using cuprous iodide, however, which is a halide compound and a highly effective conductor and is stable above room temperature, a solution-based process is unable to generate a high-quality thin film. A team led Masao Nakamura from the RIKEN...Read full article

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    Published: April 2021
    Glossary
    optoelectronics
    Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is a combination of "optics" and "electronics," reflecting the interdisciplinary nature of this field. Optoelectronic devices convert electrical signals into optical signals or vice versa, making them crucial in various technologies. Some key components and applications of optoelectronics include: ...
    vacuum
    In optics, the term vacuum typically refers to a space devoid of matter, including air and other gases. However, in practical terms, achieving a perfect vacuum, where there is absolutely no matter present, is extremely difficult and often not necessary for optical experiments. In the context of optics, vacuum is commonly used to describe optical systems or components that are operated in a low-pressure environment, typically below atmospheric pressure. This is done to minimize the effects...
    epitaxy
    A well controlled thin films technique for growing films with good crystal structure in ultra high vacuum environments at very low deposition rates. Epitaxy methods are well known for the growing of single crystals in which chemical reactions produce thin layers of materials whose lattice structures are identical to that of the substrate on which they are deposited. Some examples are molecular beam epitaxy, liquid phase epitaxy and vapor phase epitaxy. Molecular beam epitaxy is also commonly...
    Asia PacificResearch & TechnologyRIKENsemiconductorsoptoelectronicsoptoelectronic devicesthin filmsvacuumspectroscopyphotoluminescence spectroscopyMaterialsDisplaysConsumerepitaxymolecular beam epitaxy

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