铁电材料与畴壁研究
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我国铁电材料获重大突破 未来信息存储密度有望提升数百倍
Xin Lang Cai Jing· 2026-01-24 13:24
Core Insights - A research team from the Chinese Academy of Sciences has developed self-supporting ferroelectric thin films using laser methods, which could significantly enhance data storage capabilities for artificial intelligence devices [1] - The new one-dimensional charged domain walls in these films are expected to increase storage density by several hundred times, potentially reaching about 20TB per square centimeter, equivalent to storing 10,000 HD movies or 200,000 HD short videos on a device the size of a postage stamp [1] Group 1: Research and Development - The research focuses on ferroelectric materials that can spontaneously exhibit charge separation and ordered arrangement without an external electric field [1] - The study of ferroelectric materials and domain walls is at the forefront of material science and information technology, aiming to create high-performance devices to meet national strategic needs in information storage, artificial intelligence, and advanced technology [1] - The emergence of fluorite-structured ferroelectric materials presents new opportunities in this field, with research on these materials starting in 2018 [1] Group 2: Technological Implications - The precise control of internal polarization "switches" (ferroelectric domains) and their boundaries (domain walls) is crucial for developing the next generation of devices [1] - The discovery of new states of one-dimensional charged domain walls fills a gap in ferroelectric physics, potentially leading to advancements in various technological applications [1]