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2D晶体管,加速到来
半导体行业观察· 2025-07-18 00:57
Core Viewpoint - The article discusses the advancements made by the startup CDimension in the development of two-dimensional (2D) semiconductors, specifically focusing on their ability to grow molybdenum disulfide (MoS2) on silicon at low temperatures, which could revolutionize chip manufacturing and reduce power consumption significantly [3][5]. Group 1: CDimension's Technology - CDimension claims to have solved key challenges in the industrialization of 2D semiconductors, including wafer-level uniformity, device performance, and compatibility with silicon manufacturing processes [3][4]. - The proprietary process developed by CDimension allows for the growth of single-layer MoS2 at approximately 200°C, avoiding damage to the underlying silicon circuits, which is a significant improvement over traditional methods that require temperatures up to 1000°C [4]. - The startup is currently shipping silicon wafers with grown 2D materials for customer evaluation and integration into devices, showcasing the potential for 2D materials to be used in scalable logic devices [4][5]. Group 2: Industry Implications - Major chip manufacturers like Intel, Samsung, and TSMC are exploring the replacement of silicon nanosheets with MoS2 and other 2D semiconductors, indicating a shift in the semiconductor industry towards these advanced materials [4]. - The low-temperature synthesis demonstrated by CDimension's team can produce MoS2 transistors with multiple stacked channels, potentially meeting or exceeding the performance requirements of future 10A (1 nanometer) nodes [4]. - The motivation for adopting 2D semiconductors includes a significant reduction in power consumption, with devices made from CDimension's materials consuming only one-thousandth of the power of traditional silicon devices [5].
院士团队信赖,顶刊力证:看XAFS技术解码纳米生物材料,助力医学突破!
生物世界· 2025-06-06 03:18
Group 1 - The article discusses the significance of X-ray Absorption Fine Structure (XAFS) technology in analyzing the structure of nanobiomaterials, highlighting its sensitivity to local electronic structure and chemical environment of central absorbing atoms [3][6]. - XAFS technology is divided into two regions: X-ray Absorption Near Edge Structure (XANES) for qualitative analysis of oxidation states and coordination environments, and Extended X-ray Absorption Fine Structure (EXAFS) for quantitative analysis of surrounding atoms [3][6]. - Recent advancements in static and dynamic XAFS testing have enhanced the understanding of interactions between nanomaterials and biological systems, aiding in the development of high-performance nanobiomaterials [6]. Group 2 - A case study from Nature Nanotechnology illustrates the use of XAFS in characterizing a novel copper indium phosphorus sulfide (CIPS) nanomaterial that effectively binds to various SARS-CoV-2 spike proteins, providing a new strategy for broad-spectrum antiviral drug development [10][11]. - Another study in Nature Nanotechnology employs XAFS to investigate the MoS2 nanomaterial, revealing how its "nanoprotein crown" mediates its accumulation in liver and spleen cells, thus contributing to the understanding of nanomaterial-biology interface [16]. - Research published in Nature Communications demonstrates the application of XAFS in studying biogenic ferritin as a natural nanoenzyme for superoxide radical scavenging, highlighting the differences in catalytic activity based on iron/phosphorus ratios [21]. Group 3 - The article mentions the development of a high-load, high-activity iron single-atom catalyst (h3-FNCs) through zinc-iron exchange, showcasing its potential in catalyzing oxygen reduction and promoting wound healing [25]. - The TableXAFS instrument developed by Chuangpu Instrument is highlighted as a breakthrough in XAFS testing, allowing researchers to conduct experiments in the lab without relying on synchrotron radiation sources, thus expanding accessibility to high-quality experimental data [27][28].