Meng You, Wang Wei, Ho Johnny C
Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka 816-8580, Japan.
ACS Nano. 2022 Sep 27;16(9):13314-13322. doi: 10.1021/acsnano.2c06359. Epub 2022 Aug 23.
The continuous downscaling of semiconducting channels in transistors has driven the development of modern electronics. However, with the component transistors becoming smaller and denser on a single chip, the continued downscaling progress has touched the physical limits. In this Perspective, we suggest that the emerging one-dimensional (1D) material system involving inorganic atomic chains (ACs) that are packed by van der Waals (vdW) interactions may tackle this issue. Stemming from their 1D crystal structures and naturally terminated surfaces, 1D ACs could potentially shrink transistors to atomic-scale diameters. Also, we argue that 1D ACs with few-atom widths allow us to revisit 1D materials and uncover physical properties distinct from conventional materials. These ultrathin 1D AC materials demand substantive attention. They may bring opportunities to develop ultimate-scaled AC-based electronic, optoelectronic, thermoelectric, spintronic, memory devices, etc.
晶体管中半导体沟道的持续缩小推动了现代电子学的发展。然而，随着单个芯片上的晶体管元件变得越来越小且密度越来越高，持续的缩小进程已触及物理极限。在这篇观点文章中，我们认为，由范德华（vdW）相互作用堆积而成的包含无机原子链（ACs）的新兴一维（1D）材料体系可能会解决这个问题。源于其一维晶体结构和自然终止的表面，一维原子链有可能将晶体管缩小到原子尺度的直径。此外，我们认为，具有几个原子宽度的一维原子链使我们能够重新审视一维材料，并发现与传统材料不同的物理性质。这些超薄的一维原子链材料需要得到实质性的关注。它们可能为开发基于原子链的终极尺寸的电子、光电子、热电、自旋电子、存储器件等带来机遇。
