Article(id=1273334872014836148, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1273334825638420729, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1781516290906, onlineDateStr=2026-06-15, pubDate=1779897600000, pubDateStr=2026-05-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1781516290906, onlineIssueDateStr=2026-06-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1781516290906, creator=13701087609, updateTime=1781516290906, updator=13701087609, issue=Issue{id=1273334825638420729, tenantId=1146029695717560320, journalId=1146031591421210625, year='2026', volume='44', issue='10', pageStart='1', pageEnd='164', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1781516279847, creator=13701087609, updateTime=1781519137123, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1273346810031628465, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1273334825638420729, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1273346810031628466, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1273334825638420729, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=3, endPage=3, ext={EN=ArticleExt(id=1273334872354574774, articleId=1273334872014836148, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=null, columnId=1157710593001177623, journalTitle=Science & Technology Review, columnName=Science and Technology News, runingTitle=null, highlight=null, articleAbstract=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=null), CN=ArticleExt(id=1273334874405589434, articleId=1273334872014836148, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=图论或为纳米颗粒的新语言, columnId=1157710593177338394, journalTitle=科技导报, columnName=科技新闻, runingTitle=null, highlight=null, articleAbstract=

材料科学界存在一个让人头疼的“灰色地带”:当无数个纳米颗粒自主聚集时,它们既不像冰块里的原子那样排列得整整齐齐(绝对有序),也不像空气中的烟雾那样杂乱无章(绝对无序)。相反,它们往往会形成链状、网状或多孔团簇等“半有序、半无序”的复杂中间态。

, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=版权所有,未经授权,不得转载。, copyrightOwner=《科技导报》编辑部, extLink=null, articleAbsUrl=null, sourceXml=KJnNQKV9nM5RGdPadv/Q5Q==, magXml=b4+mQKEWzxvVqHsfBSH0LA==, pdfUrl=null, pdf=BShrePzGjApDACVyqqkU8g==, pdfFileSize=2978537, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=qXR4H3T2Lk9sFJycDfFHng==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=QzSE0WyGCRUpZkdsr1f0XQ==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=null)}, authors=null, keywords=null, refs=null, funds=null, companyList=null, figs=[ArticleFig(id=1273334874598527420, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1273334872014836148, language=EN, label=null, caption=null, figureFileSmall=FgWBhw9NCDgEiSa+dAcjmg==, figureFileBig=qXR4H3T2Lk9sFJycDfFHng==, tableContent=null), ArticleFig(id=1273334874657247677, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1273334872014836148, language=CN, label=null, caption=时空分辨液相透射电子显微镜支架的尖端处夹着舞动的纳米粒子溶液

(图片来源:伊利诺伊大学官网)

, figureFileSmall=FgWBhw9NCDgEiSa+dAcjmg==, figureFileBig=qXR4H3T2Lk9sFJycDfFHng==, tableContent=null)], attaches=null, journal=Journal(id=1125356956822126595, delFlag=0, nameCn=科技导报, nameEn=Science & Technology Review, nameHistory1=null, nameHistory2=null, issn=1000-7857, eissn=, cn=11-1421/N, coden=null, periodic=3, language=CN, oaType=0, ccby=null, superviseOffice=null, ownerOffice=null, pubOffice=null, editorOffice=null, officeType=null, aims=null, clcCode=null, officeProv=null, officeCity=null, officeAddr=null, officeZip=null, officeEmail=null, officePhone=null, editDirector=null, officeDirector=null, officeDirectorPhone=null, officeStaffNum=null, officeEmpNum=null, coverPicUrl=aEuqdCNQUjPEKa3rm5A/8Q==, journalPrice=null, startedYear=null, abbrevIsoEn=Sci Technol Rev, journalRemark=null, publicationField=null, createdTime=null, updatedTime=1754267492363, createdBy=null, updatedBy=13701087609, firstLetterCn=S, firstLetterEn=S, subjectCode=Natural Sciences, subjectName=自然科学, subjectCodeEn=Natural Sciences, subjectNameEn=null, picCn=aEuqdCNQUjPEKa3rm5A/8Q==, picEn=4AIQ9/oc3H8lvjeELJ6WWw==, jcr=null, cjcr=null, exts=[JournalExt(id=1159045127382855686, language=CN, name=科技导报, nameHistory1=null, nameHistory2=null, managedBy=中国科学技术协会, sponsoredBy=中国科学技术协会, publishedBy=科技导报社, editorOffice=, officeProv=null, officeCity=null, officeAddr=, officeZip=, editDirector=null, officeDirector=null, officePhone=null, coverPicUrl=null, journalRemark=, submitArticleUrl=null, websiteUrl=http://www.kjdb.org/CN/home, createdTime=1754267492385, updatedTime=1754267492385, createdBy=13701087609, updatedBy=13701087609, submissionGuidelinesUrl=http://www.kjdb.org/CN/column/column7.shtml, submissionAuthorUrl=https://kjdbauthor.cast.org.cn/webm, submissionEditorUrl=https://kjdbeditor.cast.org.cn/webm/, submissionReviewUrl=https://kjdbauthor.cast.org.cn/webm, submissionCeEditorUrl=https://kjdbeditor.cast.org.cn/webm/, submissionAeEditorUrl=https://kjdbeditor.cast.org.cn/webm/, option={"copyright":""}), JournalExt(id=1159045127433187335, language=EN, name=Science & Technology Review, nameHistory1=null, nameHistory2=null, managedBy=, sponsoredBy=, publishedBy=, editorOffice=, officeProv=null, officeCity=null, officeAddr=, officeZip=, editDirector=null, officeDirector=null, officePhone=null, coverPicUrl=null, journalRemark=, submitArticleUrl=null, websiteUrl=http://www.kjdb.org/EN/home, createdTime=1754267492398, updatedTime=1754267492398, createdBy=13701087609, updatedBy=13701087609, submissionGuidelinesUrl=http://www.kjdb.org/EN/column/column7.shtml, submissionAuthorUrl=https://kjdbauthor.manuscriptcloud.com/login, submissionEditorUrl=https://kjdbeditor.manuscriptcloud.com/login, submissionReviewUrl=https://kjdbauthor.manuscriptcloud.com/login, submissionCeEditorUrl=https://kjdbeditor.manuscriptcloud.com/login, submissionAeEditorUrl=https://kjdbeditor.manuscriptcloud.com/login, option={"copyright":""})], databaseList=null, tenantJournalId=1146031591421210625, websiteList=[Website(id=1146104741081231361, webName=null, webTitle=null, webDomain=null, webCopyrigh=null, webIpcNo=null, seoTitle=null, seoKeywords=null, seoDescription=null, tenantJournalId=null, journalId=1146031591421210625, journalNameCn=null, journalNameEn=null, grayFlag=null, tenantId=1146029695717560320, platformId=null, journalGroupId=null, journalGroupNameCn=null, journalGroupNameEn=null, type=1, domain=https://castjournals.cast.org.cn/joweb/kjdb/CN, language=CN, createTime=1751182263881, createBy=18614031015, updateTime=1751778001962, updateBy=18614031015, name=科技导报, tplId=1146099689490845704, title=科技导报, delFlag=0, indexPage=/home, props=[WebsiteProps(id=1148021146403992296, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146104741081231361, code=articleTextType, value=kx, createTime=1751639170504, updateTime=1751639170504, creator=18614031015, updator=18614031015), WebsiteProps(id=1148021146378826469, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146104741081231361, code=banner, value=null, createTime=1751639170498, updateTime=1751639170498, creator=18614031015, updator=18614031015), WebsiteProps(id=1148021146366243556, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146104741081231361, code=logo, value=https://castjournals.cast.org.cn/joweb/kjdb/CN/file/pic?fileId=9GHSf7eGlIPH0Tv/OOdstA==, createTime=1751639170495, updateTime=1751639170495, creator=18614031015, updator=18614031015), WebsiteProps(id=1148021146395603687, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146104741081231361, code=picServerUrl, value=https://castjournals.cast.org.cn/joweb/kjdb/CN/file/pic, createTime=1751639170502, updateTime=1751639170502, creator=18614031015, updator=18614031015), WebsiteProps(id=1148021146387215078, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146104741081231361, code=staticResourcePath, value=https://castjournals.cast.org.cn/joweb/cast_kjdb_cn_619/, createTime=1751639170500, updateTime=1751639170500, creator=18614031015, updator=18614031015)]), Website(id=1146105254833139715, webName=null, webTitle=null, webDomain=null, webCopyrigh=null, webIpcNo=null, seoTitle=null, seoKeywords=null, seoDescription=null, tenantJournalId=null, journalId=1146031591421210625, journalNameCn=null, journalNameEn=null, grayFlag=null, tenantId=1146029695717560320, platformId=null, journalGroupId=null, journalGroupNameCn=null, journalGroupNameEn=null, type=1, domain=https://castjournals.cast.org.cn/joweb/kjdb/EN, language=EN, createTime=1751182386363, createBy=18614031015, updateTime=1753500121937, updateBy=18614031015, name=科技导报, tplId=1146101810881728533, title=Science & Technology Review, delFlag=0, indexPage=/home, props=[WebsiteProps(id=1155838567709528217, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146105254833139715, code=articleTextType, value=kx, createTime=1753502988984, updateTime=1753502988984, creator=18614031015, updator=18614031015), WebsiteProps(id=1155838567692750998, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146105254833139715, code=banner, value=null, createTime=1753502988980, updateTime=1753502988980, creator=18614031015, updator=18614031015), WebsiteProps(id=1155838567688556693, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146105254833139715, code=logo, value=https://castjournals.cast.org.cn/joweb/kjdb/EN/file/pic?fileId=9GHSf7eGlIPH0Tv/OOdstA==, createTime=1753502988979, updateTime=1753502988979, creator=18614031015, updator=18614031015), WebsiteProps(id=1155838567705333912, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146105254833139715, code=picServerUrl, value=https://castjournals.cast.org.cn/joweb/kjdb/EN/file/pic, createTime=1753502988983, updateTime=1753502988983, creator=18614031015, updator=18614031015), WebsiteProps(id=1155838567701139607, tenantId=1146029695717560320, journalId=null, journalGroupId=null, siteId=1146105254833139715, code=staticResourcePath, value=https://castjournals.cast.org.cn/joweb/cast_kjdb_en_623/, createTime=1753502988982, updateTime=1753502988982, creator=18614031015, updator=18614031015)])], journalTitle=科技导报, weixinUrl=null, journalUrl=null, iacademicId=null, status=0, seqNo=null, journalTitleEn=Science & Technology Review, journalPhotoCn=aEuqdCNQUjPEKa3rm5A/8Q==, journalPhotoEn=4AIQ9/oc3H8lvjeELJ6WWw==, journalFirstLetter=S, journalRecommend=null, journalNew=null, journalCollection=1, jcrJf=null, cjcrJf=0.91, jcrJfStr=null, cjcrJfStr=null, submissionFirstDecision=null, sciSubjectClassification=null, casSubjectClassification=null, citeScore=null, totalCitationFrequency=null, icpCode=null, psCode=null, advertisingLicenseCode=null, copyrightInformation=null, country=null, option=null, provinceCode=null, provinceName=null, collectFlag=false), detailUrlCn=https://castjournals.cast.org.cn/joweb/kjdb/CN/Y2026/V44/I10/3, detailUrlEn=https://castjournals.cast.org.cn/joweb/kjdb/EN/Y2026/V44/I10/3, pdfUrlCn=https://castjournals.cast.org.cn/joweb/kjdb/CN/PDF/Y2026/V44/I10/3, pdfUrlEn=https://castjournals.cast.org.cn/joweb/kjdb/EN/PDF/Y2026/V44/I10/3, aliStartDate=null, aliEndDate=null, collectionFlag=false, citedCount=null, citedUrl=null, reference=null)
收藏切换
图论或为纳米颗粒的新语言
收藏切换
PDF下载
科技导报 | 科技新闻 2026,44(10): 3-3
收起
收藏切换
科技导报 | 科技新闻 2026, 44(10): 3-3
图论或为纳米颗粒的新语言
全屏
作者信息
Affiliations
出版时间: 2026-05-28
文章导航
收藏切换

材料科学界存在一个让人头疼的“灰色地带”:当无数个纳米颗粒自主聚集时,它们既不像冰块里的原子那样排列得整整齐齐(绝对有序),也不像空气中的烟雾那样杂乱无章(绝对无序)。相反,它们往往会形成链状、网状或多孔团簇等“半有序、半无序”的复杂中间态。

. 图论或为纳米颗粒的新语言. 科技导报, 2026 , 44 (10) : 3 -3 .
. Science & Technology Review, 2026 , 44 (10) : 3 -3 .
材料科学界存在一个让人头疼的“灰色地带”:当无数个纳米颗粒自主聚集时,它们既不像冰块里的原子那样排列得整整齐齐(绝对有序),也不像空气中的烟雾那样杂乱无章(绝对无序)。相反,它们往往会形成链状、网状或多孔团簇等“半有序、半无序”的复杂中间态。
长久以来,学界依赖传统的局域配位数来评估这些物质状态。然而,由于这些“半有序”网络缺乏传统的平移周期性和标准的空间对称性,沿用数10年的经典指标在面对它们时极易产生严重误判,导致这些纳米结构难以被精确量化和调控。
密歇根大学团队抛弃了常规的物理几何观测路径,将纳米颗粒组装体抽象化,视为由节点(颗粒)和边(强相互作用)构成的动态图网络(Graph Networks)。通过引入微分几何与图论交叉的2种离散曲率指标,研究人员赋予了解读动态纳米系统的全新语言。2026年5月14日,相关研究成果发表于《Science》。
Ollivier-Ricci曲率(ORC),是一种把连续几何中的“曲率”概念推广到图网络/离散空间中的指标。它常用于分析复杂网络中边或节点连接的“稳固性”。当ORC为正值时,说明这条边两侧的邻域之间还有较多替代路径或强连接,局部结构比较“团簇化”、冗余度高,网络受到扰动后更容易恢复。当ORC为负值时,说明这条边连接的是2个相对分离的区域,邻域之间缺少替代路径,像网络中的“桥”或“瓶颈”。
增广Forman-Ricci曲率(AFRC)指标专注于监控网络中由3个颗粒构成的“塑料姐妹花三元环”。这种三元环在系统受到刺激时极易形成也极易解离。通过追踪这些微观小圈子的诞生与破灭,科学家就能直接读出系统局部的能量高低和变形能力。
研究团队借助宽视野时空分辨液相透射电子显微镜(LPTEM),在液体环境中实时观测了400多个金纳米立方体的真实组装过程。同时,他们对包含高达10000个颗粒的庞大体系进行了分子动力学模拟。
实验与模拟结果完美吻合。借助ORC指标,研究人员成功定量发现了一个“黄金平衡区间”(Goldilocks Zone)。这种特定的中间状态由具有低对称性的相互连接的介晶组成,最大化了材料的等离子体响应。这对于开发高灵敏度生物传感器(如COVID和妊娠测试中使用的传感器)至关重要。
“吸引我研究这一问题的原因在于,许多最有意思的材料——生物系统、光子凝胶、传感平台——都处在有序与无序之间这种复杂的中间状态。若能以严谨的方法量化这种复杂性,就有望为工程化设计那些过去难以理性设计的材料打开新的可能。”第一作者Pan表示。
(来源:《Science》、伊利诺伊大学官网)
2026年第44卷第10期
PDF下载
49
26
引用本文
BibTeX
文章信息
  • 首发时间:2026-06-15
  • 出版时间:2026-05-28
补充材料
相关文章
文章信息
作者
出版历史
基金
作者信息
参考文献
分享链接
https://castjournals.cast.org.cn/joweb/kjdb/CN/1273334872014836148
分享至
全文二维码

扫描看全文

引用本文
BibTeX
本文的引用情况
2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
关闭全屏