Core Viewpoint - The successful preparation of two-dimensional metals represents a significant breakthrough in materials science, potentially transforming traditional perceptions of metals and paving the way for future technological advancements [2][9]. Group 1: Definition and Characteristics of Two-Dimensional Metals - Two-dimensional metals are materials with a thickness of only a single atomic layer or a few atomic layers, resembling a "paper" form of metal, achieved by compressing three-dimensional structures to their limits [4]. - The unique properties of two-dimensional metals arise from their atomic-level thickness, leading to fundamental changes in electron movement and atomic arrangement, resulting in characteristics not found in bulk metals [4][5]. Group 2: Hidden Properties of Two-Dimensional Metals - Two-dimensional metals exhibit extremely high electrical and thermal conductivity, with resistance rates potentially reduced to a fraction of traditional metals, enabling the creation of thinner wires that can transmit stronger currents and significantly lower energy consumption [5]. - Their flexibility allows them to be bent without damage, making them ideal for use in flexible electronic devices, such as wearable technology and foldable smartphones [5]. - The specific surface area of two-dimensional metals is thousands to tens of thousands of times greater than that of bulk metals, making them excellent candidates for catalysts in chemical reactions and fuel cells, enhancing reaction efficiency and reducing reliance on rare precious metals [6]. Group 3: Potential Applications of Two-Dimensional Metals - In the electronics sector, two-dimensional metals could be crucial for the next generation of chips, addressing resistance and heat issues as chip manufacturing processes shrink, potentially leading to faster signal transmission and lower energy consumption [7]. - In the energy sector, two-dimensional metals may revolutionize clean energy technologies, such as fuel cells, by replacing expensive precious metal catalysts, thus lowering costs and facilitating the adoption of hydrogen fuel cell vehicles and distributed energy systems [8]. - In healthcare, two-dimensional metals could be utilized in biosensors for real-time health monitoring and in tissue engineering to create scaffolds that support cell growth and tissue repair [8]. Group 4: Future Outlook - The successful synthesis of two-dimensional metals is the result of years of interdisciplinary research and innovation, overcoming significant challenges to achieve high-quality, large-area films [9]. - The anticipated transition of two-dimensional metals from laboratory research to everyday applications could lead to lightweight, high-performance electronic devices, hydrogen-powered vehicles, and rapid-charging smartphones, transforming previously futuristic concepts into reality [9].

Group 1 - The core achievement of the Chinese Academy of Sciences' team led by Zhang Guangyu is the successful preparation of the first two-dimensional metals, marking a significant milestone in the field of atomic manufacturing of two-dimensional materials [2][4] - This breakthrough is recognized as the only Chinese achievement in the "Top Ten Scientific Breakthroughs of 2025" by the British Institute of Physics, highlighting China's leading position in the international arena of two-dimensional materials [2][4] - The team developed a unique "van der Waals pressing technology" to create five types of two-dimensional metals (bismuth, tin, lead, indium, and gallium) with atomic-level thickness, achieving a record thickness of only 5.8 angstroms for tin [2][4] Group 2 - The produced two-dimensional metals exhibit over one year of environmental stability without performance degradation, addressing the common issues of oxidation and preservation in traditional two-dimensional materials [4] - Electrical tests show that the room temperature conductivity of monolayer bismuth reaches 9.0×10⁶ S/m, significantly surpassing bulk bismuth, and it demonstrates a unique P-type field effect with a resistance modulation of 35%, far exceeding the less than 1% range of traditional bulk metals [4] - The technology allows for atomic precision control of the thickness of two-dimensional metals, providing a new platform for studying novel layer pseudo-spin characteristics [4] Group 3 - The recognition of Zhang Guangyu's team's achievement reflects China's ongoing commitment to fundamental research and its growing innovation capabilities in materials science [5][6] - The advancement in this technology is expected to lead to disruptive products in quantum computing, new electronic devices, and renewable energy, enhancing the core competitiveness of China's high-end manufacturing sector [5] - The success in the field of atomic manufacturing of two-dimensional materials is seen as a significant leap in China's scientific innovation, transitioning from quantitative accumulation to qualitative breakthroughs [6]