Solidot: 石墨烯展现出无限制的热传导性质

Solidot

奇客的资讯，重要的东西

石墨烯展现出无限制的热传导性质
http://solidot.org.feedsportal.com/c/33236/f/556826/s/3a596307/sc/24/l/0L0Ssolidot0Borg0Cstory0Dsid0F39510A/story01.htm
May 13th 2014, 05:01

根据法国物理学家傅立叶提出的热传导定律，热传导率是一种固有的材料属性，独立于大小或形状。但德国Max Planck聚合物研究院和新加坡国立大学的研究人员发现，石墨烯的热传导率违反了傅立叶定律，它的热传导与大小有关。报告发表在《Nature Communications》期刊上。研究人员根据实验和计算机模拟发现，石墨烯的热传导率随着样本大小呈对数递增。石墨烯越长，每长度单位传递的热越多。这是二维碳原子层材料发现的另一个独一无二的属性。This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.



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