超越摩爾定律 台團隊研究大突破登國際期 - 工程師
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By Carol
at 2018-11-21T15:39
at 2018-11-21T15:39
Table of Contents
超越摩爾定律 台團隊研究大突破登國際期刊 https://www.cna.com.tw/news/firstnews/
201811210092.aspx
台灣是半導體產業重鎮,即便連台積電,都致力於尋找 超越摩爾定律的先進製程,而台
灣物理團隊搶先一步,成功研發出超越摩爾定律的二維單 原子層二極體,並在自然通訊
雜誌上發表成果。
科技部今天舉辦研究成果發表記者會,在科技部、成功大學與國家同步輻射研究中心的
支 持下,成大物理系教授吳忠霖與國家同步輻射研究中心博士陳家浩組成的國內研究團
隊成 功研發出二維單原子層二極體,更加輕薄、效率更高,可以超越摩爾定律,並進行
後矽時 代電子元件的開發,也因此,這項研究成果登上「自然通訊(Nature Communicat
ions) 」雜誌。
科技部指出,半導體產業即將面臨積體電路微縮化的3奈米製程極限,因此科學家除了改
善積體電路中電晶體的基本架構外,也積極尋找具有優異物理特性,且能微縮至小於一奈
米原子尺度的電晶體材料。
半導體產業龍頭台積電也積極投入先進製程的研發,盼能找出延續、甚至超越摩爾定律的
技術,不過台灣的物理團隊搶先一步,研發出僅有單原子層厚度且具優異的邏輯開關特
性 的二硒化鎢二極體,科技部直指,將對半導體產業帶來重大貢獻與影響。
科技部解釋,二硒化鎢與石墨烯同屬二維材料,是一種過渡金屬二硫族化合物,能夠在
約 0.7奈米的單化合原子層厚度內展現絕佳的半導體傳輸特性,因此和傳統矽半導體材料
相 比,除了厚度上已經超越3奈米的製程極限,更可完全滿足次世代積體電路所需更薄、
更 小、更快的需求。 吳忠霖也說,相較於以往只能利用元素摻雜或是加電壓電極等改變
電性的方式,本研究無 需金屬電極的加入,是重大突破。
科技部指出,透過這次的研究成果,未來若能將此微縮到極限的單原子層二極體組合成
各 種積體電路,由於負責運算的傳輸電子被限定在單原子層內,可以大幅降低干擾並增
加運 算速度,預期可以超過現今電腦的千萬倍,而且所需能量極少,大量運算時,也不
會耗費 太多能量,並達到節能效果。 科技部最後表示,這項研究成果對於現今的數位科
技帶來重大影響,可帶來更大的產業價 值,並滿足未來人工智慧晶片與機器學習所需大
量計算效能的需求。
(編輯:楊凱翔) 1071121
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