【人民日报】金属“降维”与观念突围

Core Insights - The research team from the Institute of Physics, Chinese Academy of Sciences, has successfully developed a single atomic layer of metal, marking the first large-scale production of two-dimensional metal materials globally. This breakthrough fills a significant gap in the field of two-dimensional materials and reveals properties such as lightweight, high conductivity, transparency, and quantum effects, which are expected to advance scientific research in related areas [1][2]. Group 1: Breakthrough in Two-Dimensional Metals - The newly developed two-dimensional metal has a thickness of only one two-hundred-thousandth of a human hair, representing a significant advancement in material science [1]. - The achievement is anticipated to have broad applications in ultra-micro low-power transistors and ultra-sensitive detectors, potentially driving a revolution in material innovation [1]. Group 2: Historical Context and Challenges - The concept of two-dimensional metals has been a challenging pursuit since the successful creation of single-layer graphene in 2004, which initiated a new era in two-dimensional material research [2]. - Unlike graphene's layered structure, metals have tightly bonded atoms, making the transition to a two-dimensional form particularly difficult and previously considered nearly impossible [2][3]. Group 3: Innovation and Perseverance - The research team overcame significant obstacles by adopting unconventional methods, inspired by an industrial heating and pressing technique seen online, which led to the successful creation of single atomic layers of metal [3]. - The journey involved numerous failures and required a steadfast commitment to experimentation, demonstrating that many perceived impossibilities in science are often based on limited knowledge and frameworks [3][4]. Group 4: Broader Implications for Innovation - The success in developing two-dimensional metals is part of a larger narrative of innovation in China, emphasizing the need for original and disruptive technological advancements as outlined in national development plans [4]. - The spirit of questioning established norms and pursuing breakthroughs is crucial for fostering continuous innovation and achieving significant scientific milestones [4].