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首篇!郑州大学以“Bulk hexagonal diamond”为题在顶刊Nature发表最新重要成果

  • 2026-03-31 08:52:55
首篇!郑州大学以“Bulk hexagonal diamond”为题在顶刊Nature发表最新重要成果
在最新一期的顶刊Nature上，郑州大学带来了一项重要成果，有意思的是该文章题目仅三个单词，下面我们来简单了解一下。
3月4日，郑州大学的单崇新、杨西贵（共同一作兼共同通讯作者）、程少博与南京大学的孙建合作，作为共同通讯作者以“Bulk hexagonal diamond（块体六方金刚石）”为题发表了最新研究成果。
立方金刚石（CD）被誉为"终极半导体"，在科学界和工业界都引起了极大关注。其同质多象变体——六方金刚石（HD）则更为引人入胜，因为它与陨石撞击相关的迷人性质而备受关注。然而，由于缺乏确凿的实验证据证明其存在，六方金刚石的物理性质在很大程度上仍未被探索。该研究报道了从高度定向热解石墨（HOPG）沿c轴在高温高压下合成毫米级、纯相的六方金刚石。结合先进的结构表征和理论模拟，研究确认了六方金刚石的身份，并阐明了从石墨转变的机理。块体HD表现出略高于CD的硬度和高热稳定性。
总之，该研究成功合成出了纯相六方金刚石块材，并精确解析了其晶体结构，揭示了全新的相变机制。这些发现也解决了六方金刚石作为独立碳相存在的长期争议，并为石墨-金刚石相变提供了新见解，为HD在未来先进技术应用中的研究和实际使用铺平了道路。据了解，该研究于2024年11月投稿，文章在一年多后的2026年1月底被正式接受，如今正式发表。
值得一提的是，在同期《Nature》的杂志的“NEWS”栏目也对该研究进行了专门报道，发表了题为“Fresh claim of making elusive ‘hexagonal’ diamond is the strongest yet（最新宣称合成出罕见“六方金刚石”，证据力度迄今最强）”的评论文章。文章认为经过几十年的争论，研究人员表示他们发现了这种稀有碳结构的最清晰证据……
该研究也是我国在六方金刚石探索上的又一重要进展，去年8月，北京高压科学研究中心的毛河光、杨文革和中国科学院西安光机所罗端合作，同样在Nature上报道了块体六方金刚石的合成，该研究首次成功合成出了百微米-毫米级的高纯度单晶六方金刚石块体样品，详见：历时近4年，年过八旬的毛河光院士带领团队与合作者发表今年第2篇顶刊Nature。
本文的第一完成单位为郑州大学，共同第一作者为郑州大学来守龙、杨西贵和南京大学施九洋。这也是郑州大学今年以第一单位发表的首篇CNS正刊，可能也是该校历史上首篇一单位Nature文章（今年以共同通讯作者的身份已参与发表Nature）。
文章最后通讯作者为单崇新，他生于1977年，河南长垣人，他1999年本科毕业于武汉大学，2004年博士毕业于中国科学院长春光学精密机械与物理研究所。博士毕业后他先后在香港中文大学和英国诺丁汉大学进行博士后研究，2008年他回国先是加入了中国科学院长春光学精密机械与物理研究所工作数年。2015年他又加入郑州大学工作至今，他目前为郑州大学CJ学者特聘教授，副校长。
单崇新主要从事金刚石光电材料与器件研究，并在相关领域取得了突出成果，他目前为郑州大学金刚石光电材料与器件团队负责人。他曾获国家杰出青年基金、中国青年科技奖、中原学者和河南省自然科学一等奖等荣誉。
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  1. CONNECT:[ UseTime:0.000465s ] mysql:host=127.0.0.1;port=3306;dbname=i460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000852s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000309s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000259s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000526s ]
  6. SELECT * FROM `set` [ RunTime:0.000203s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000527s ]
  8. SELECT * FROM `article` WHERE `id` = 490674 LIMIT 1 [ RunTime:0.000396s ]
  9. UPDATE `article` SET `lasttime` = 1775414457 WHERE `id` = 490674 [ RunTime:0.007535s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000242s ]
  11. SELECT * FROM `article` WHERE `id` < 490674 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000404s ]
  12. SELECT * FROM `article` WHERE `id` > 490674 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001525s ]
  13. SELECT * FROM `article` WHERE `id` < 490674 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000601s ]
  14. SELECT * FROM `article` WHERE `id` < 490674 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000591s ]
  15. SELECT * FROM `article` WHERE `id` < 490674 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001483s ]
0.084931s