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中科院团队质疑哈佛发现金属氢 哈佛教授回应

2017-09-05 15:05:43   中国青年网

席维拉称,“中国研究团队的尤金·格列戈良茨教授称他们在尝试更高压力时出现了很高的失败率。在其研究中,他们使用激光来处理样本。而众所周知,激光能够削弱或是引起高强度金刚石的失效。此外,他们还将样本放在室温中,但是在室温条件下,氢气能够分散入金刚石使其变脆。”

而对于氢金属化为何如此难复制,席维拉表示,这是首次在氢气中达到的最高压。在极端条件下,这些压力甚至高于地球中心的压力。

“达成这一高压需要很多程序和细节需要注意。所有的这些,我们都在刊登在《科学》杂志的论文中进行了阐述。”他说道。

而对于在年初的文章中使用的iPhone图片的争议,席维拉解释称,实际上文章中所提到的iPhone图片并未用在分析中,只是为了展示样本在压力不断上升的过程中的所形成的“光学变化”。

中国研究团队成员:哈佛学者在否认自己白纸黑字刊登的东西

此次质疑哈佛研究成果的中国科研团队中的尤金·格列戈良茨接受法制晚报·看法新闻记者采访时,他刚刚参加完高压科学与技术国际会议。他告诉记者,在这一会议上,来自4个不同的研究团队也讨论了哈佛大学的研究发现。他们都表示,无论是在压力记录上,还是在金属化上,该研究发现都没有获得数据的支撑。

格列戈良茨告诉记者,实际上哈佛大学研究团队的文章主体内容中包含了4组数据。其中两组数据实际上是完全相同的相图,这些图片是由苹果手机拍成的。图片中4个点显示达成了所谓的“金属状态”。但是有趣的是,哈佛的研究团队两周前表示出现错误,移除了四个点中的两个点。

格列戈良茨就此表示,哈佛大学研究团队后来补充的材料与现有广泛已知的事实自相矛盾,例如压力曲线与负载的曲线对比,还有就是原谱中展示了在达到495万倍大气标准压力前,氢气已经丢失。

对于哈佛大学对中国研究团队文章的最新的回应,尤金·格列戈良茨表示,回应中充满了错误。“只要看我们在此次评论文章中对图片的阐述,以及他们的回应就可以看出,这是非常离奇的。他们在否认他们白字黑字所刊登的东西。”

格列戈良茨表示,哈佛大学研究团队称最近的理论性和试验性结果证实了他们的研究结果,这种说法是“妄想”的。实际上并没有任何实验结果和理论文章有过这样的结果。

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