[Pick Science] Copper that 'does not rust' to replace expensive gold!.. After more than 30 y - YTN 사이언스 - World Latest Movie, Series, Videos and Trailers | fetery.com

[Pick Science] Copper that 'does not rust' to replace expensive gold!.. After more than 30 y

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YTN 사이언스

Published on Nov 22, 2024

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Copper is a material commonly used in our daily lives due to its excellent ductility and malleability, and its excellent electrical and thermal conductivity, but it has the disadvantage of being oxidized and corroded. There is a scientist who has developed 'rust-free' copper by supplementing these shortcomings of copper. He is crystal physicist Jeong Se-young. If copper does not rust, it can replace expensive gold. Gold has lower conductivity than copper, but it does not rust, so it has been used in nano circuits. How is rust-free copper possible? The secret lies in 'single crystals'. A single crystal is a material in which all atoms are arranged in a certain direction, and since the defects in the crystal structure disappear, oxygen that causes oxidation of copper cannot enter the surface, so oxidation does not occur. Single crystal thin film copper can also be used as semiconductor elements, so its utility is endless. Crystal physicist Jeong Se-young is the only one in Korea who directly grows single crystals and has over 150 types of single crystals in his lab. He also supplies grown crystal samples to domestic researchers. A scientist who said “Yes!” when everyone else said “No!” We meet Jeong Se-young, a crystal physicist who discovered copper that does not rust for the first time in the world after more than 30 years of research. #Copper #Gold #Metal #Technology #New Technology #News #Science #Science and Technology #Physics #Semiconductor [Copyright (c) YTN science Unauthorized reproduction, redistribution, and use of AI data prohibited]

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