Article(id=1289306913452180123, tenantId=1146029695717560320, journalId=1287019341717536775, issueId=1289306742370709735, articleNumber=null, orderNo=null, doi=10.3724/j.1000-4734.2025.45.091, pmid=null, cstr=32252.14.j.1000-4734.2025.45.091, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740067200000, receivedDateStr=2025-02-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1785324322331, onlineDateStr=2026-07-29, pubDate=1770652800000, pubDateStr=2026-02-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1785324322331, onlineIssueDateStr=2026-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1785324322331, creator=13701087609, updateTime=1785324322331, updator=13701087609, issue=Issue{id=1289306742370709735, tenantId=1146029695717560320, journalId=1287019341717536775, year='2026', volume='46', issue='1', pageStart='20', pageEnd='170', issueExtLink='null', onlineDate='null', pubDate='1770652800000', pubDateStr='2026-02-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1785324281542, creator='13701087609', updateTime=1785388512677, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1289576147356860923, tenantId=1146029695717560320, journalId=1287019341717536775, issueId=1289306742370709735, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1289576147356860924, tenantId=1146029695717560320, journalId=1287019341717536775, issueId=1289306742370709735, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=32, endPage=40, ext={EN=ArticleExt(id=1289306913607369372, articleId=1289306913452180123, tenantId=1146029695717560320, journalId=1287019341717536775, language=EN, title=An experimental study on the synthesis of tetragonal germanium dioxide (GeO
2), columnId=null, journalTitle=Acta Mineralogica Sinica, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Tetragonal germanium dioxide has excellent electrical and optical properties and holds significant application value in fields such as electronic components and others. However, its large-scale preparation faces several challenges. Most of the existing methods for converting hexagonal germanium dioxide to tetragonal germanium dioxide require medium-to-high temperature conditions, high-pressure environments, and catalyst assistance, and generally have problems such as long reaction cycles and easy introduction of impurities. In this study, we developed a novel method for preparing pure tetragonal germanium dioxide under the relatively low temperature condition and have thoroughly investigated effects of temperature, pressure, and oxygen fugacity on the product formation. The research results indicate that hexagonal germanium oxide can be completely converted to tetragonal germanium oxide by adding gaseous water under conditions of temperatures ranging from 200 °C to 450 °C, and low pressure of 1.30×103 kPa. Raman spectroscopy and X-ray diffraction analyses confirmed that the experimental product possesses a high-purity tetragonal structure with no detectable impurities. Comparative experiments using different oxygen fugacity buffer pairs (Ni-NiO, Fe3O4-Fe2O3, MoO2-MoO3) demonstrated that the tetragonal germanium oxides which were produced under the oxygen fugacity conditions of over 1.05×10–28 kPa have good thermodynamic stability. Compared to previously reported preparation methods of the tetragonal germanium dioxide, this synthesis route has three main advantages including the easily achievable reaction conditions, no catalyst requirement, and a straightforward process flow. By increasing the reaction vessel capacity, the batch conversion from hexagonal germanium oxide to tetragonal germanium dioxide can be accomplished. This novel preparation method offers a viable solution for the large-scale production of high-quality tetragonal germanium oxide, which is conducive to promoting applications of the tetragonal germanium oxide in the fields of new electronics and optoelectronics. This study optimized the preparation process of tetragonal germanium oxide, greatly enhancing the application potential of tetragonal germanium oxide in high-tech sectors and providing crucial support for the development of related industries.
, authors=Wenxin SHI
1, 2, Zhilong HUANG
1, *, Xinsong WANG
1, *, Chen WEI
1, authorsList=Wenxin SHI, Zhilong HUANG, Xinsong WANG, Chen WEI, authorCompany=null, correspAuthors=Zhilong HUANG, Xinsong WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, 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, fund=null), CN=ArticleExt(id=1289306916476273323, articleId=1289306913452180123, tenantId=1146029695717560320, journalId=1287019341717536775, language=CN, title=四方晶系二氧化锗的合成实验, columnId=1289306743352176873, journalTitle=矿物学报, columnName=论文, runingTitle=null, highlight=null, articleAbstract=
四方晶系二氧化锗具有优异的电学和光学性能,在电子元件等领域应用价值突出,但其规模化制备面临多项挑战。现有六方晶系二氧化锗向四方晶系二氧化锗的转变方法大多需要中高温条件、高压环境催化剂辅助,且普遍存在反应周期长、易引入杂质等问题。本研究开发了一种在相对低温条件下制备纯净四方晶系二氧化锗的新方法,并详细研究了温度、压力和氧逸度等参数对产物形成的影响。研究结果表明,在200~450 ℃温度范围内,只需 1.30×103 kPa 的低压条件,通过添加气相水就能将六方晶系二氧化锗完全转化为四方晶系二氧化锗。拉曼光谱和X射线衍射(XRD)分析证实,产物为高纯度的四方晶系结构,未发现杂质。使用不同氧逸度缓冲对(Ni-NiO、Fe3O4-Fe2O3、MoO2-MoO3)进行的对照实验证明,在氧逸度高于 1.05×10–28 kPa 的条件下,四方晶系氧化锗具有良好的热力学稳定性。与已报道的制备方法相比,本研究的合成路线具有三个主要优势:反应条件容易达到、无需催化剂、工艺流程简单。通过增大反应装置容量,可以实现六方晶系氧化锗向四方晶系二氧化锗的批量转化。这种新型制备方法为高质量四方晶系氧化锗的大规模生产提供了可行方案,有助于推动其在新型电子学和光电子学领域的应用。本研究优化了材料制备工艺,显著提升了氧化锗在高技术领域的应用潜力,为相关产业发展提供了重要支持。
, authors=石雯昕
1, 2, 黄智龙
1, *, 王新松
1, *, 韦晨
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1, 2, address=
1State Key Laboratory of Critical Mineral Research and Exploration, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang Guizhou 550081, China
2University of the Chinese Academy of Sciences, Beijing 100049, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1289306917197693623, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, authorId=1289306917004755635, language=CN, stringName=石雯昕, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国科学院地球化学研究所 关键矿产成矿与预测全国重点实验室,贵州 贵阳 550081
2中国科学院大学,北京 100049, bio={"content":"
石雯昕,女,2000年生,硕士研究生,资源与环境专业。E-mail:shiwenxin@mail.gyig.ac.cn。
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石雯昕,女,2000年生,硕士研究生,资源与环境专业。E-mail:shiwenxin@mail.gyig.ac.cn。
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1State Key Laboratory of Critical Mineral Research and Exploration, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang Guizhou 550081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1289306917529043644, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, authorId=1289306917285774009, language=CN, stringName=黄智龙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国科学院地球化学研究所 关键矿产成矿与预测全国重点实验室,贵州 贵阳 550081, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1289306916803429036, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, xref=1, ext=[AuthorCompanyExt(id=1289306916816011949, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, companyId=1289306916803429036, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1State Key Laboratory of Critical Mineral Research and Exploration, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang Guizhou 550081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1289306917797479105, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, authorId=1289306917629706942, language=CN, stringName=王新松, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国科学院地球化学研究所 关键矿产成矿与预测全国重点实验室,贵州 贵阳 550081, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1289306916803429036, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, xref=1, ext=[AuthorCompanyExt(id=1289306916816011949, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, companyId=1289306916803429036, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2O[J]. Journal of Physical and Chemical Reference Data, 1984, 13(1): 175–183., articleTitle=null, refAbstract=null), Reference(id=1289306926404190989, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=49, rfOrder=48, authorNames=null, journalName=null, refType=null, unstructuredReference=Holland T J B, Powell R, 2011. An improved and extended internally consistent thermodynamic dataset for phases of petrological interest, involving a new equation of state for solids[J]. Journal of Metamorphic Geology, 29, 333–383., articleTitle=null, refAbstract=null), Reference(id=1289306926492271374, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=50, rfOrder=49, authorNames=null, journalName=null, refType=null, unstructuredReference=Johnson J W, Oelkers E H, Helgeson H C. SUPCRT92: A software package for calculating the standard molal thermodynamic properties of minerals, gases, aqueous species, and reactions from 1 to 5000 bar and 0 to 1000℃[J]. Computers & Geosciences, 1992, 18(7): 899–947., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1289306916803429036, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, xref=1, ext=[AuthorCompanyExt(id=1289306916816011949, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, companyId=1289306916803429036, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1State Key Laboratory of Critical Mineral Research and Exploration, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang Guizhou 550081, China), AuthorCompanyExt(id=1289306916828594862, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, companyId=1289306916803429036, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1中国科学院地球化学研究所 关键矿产成矿与预测全国重点实验室,贵州 贵阳 550081)]), AuthorCompany(id=1289306916908286639, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, xref=2, ext=[AuthorCompanyExt(id=1289306916920869552, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, companyId=1289306916908286639, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2University of the Chinese Academy of Sciences, Beijing 100049, China), AuthorCompanyExt(id=1289306916933452465, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, companyId=1289306916908286639, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2中国科学院大学,北京 100049)])], figs=[ArticleFig(id=1289306920314061519, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=EN, label=Fig. 1, caption=
Schematic diagram of the titanium alloy (Ti Grade 2) high-pressure autoclave system for hydrothermal synthesis, figureFileSmall=mYuKYqXySB0jgrOzQ3Q87A==, figureFileBig=dXNY6d6IUQSpOC4quVuYZA==, tableContent=null), ArticleFig(id=1289306920389558992, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=CN, label=图1, caption=
钛质高压反应釜(Ti Grade 2)实验装置结构示意图图中展示了用于四方晶系GeO2合成的高压实验装置主要组件:1)钛合金反应釜主体(容积25 mL,最大工作温度450 ℃,最大工作压力5.00×104 kPa);2)钛管样品容器,用于盛放六方晶系GeO2原料;3)长钛管用于装载氧逸度缓冲剂。
, figureFileSmall=mYuKYqXySB0jgrOzQ3Q87A==, figureFileBig=dXNY6d6IUQSpOC4quVuYZA==, tableContent=null), ArticleFig(id=1289306920569914065, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=EN, label=Fig. 2, caption=
Raman spectra of GeO2 polymorphs modified at ambient temperature and pressure based on relevant parameters of Gillet′s et al[41], figureFileSmall=czFaAqQ8k1blqIne2Wy5Og==, figureFileBig=w5//+j+6REXWzsb3hLQvuA==, tableContent=null), ArticleFig(id=1289306920628634322, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=CN, label=图2, caption=
基于 Gillet 等[41]修改的室温室压下氧化锗多晶型物拉曼光谱本图基于 Gillet 等[41]修改所得,展示室温室压下氧化锗多晶型物的拉曼光谱;a. 六方晶系氧化锗拉曼光谱;b. 四方晶系氧化锗拉曼光谱,图中数字表示光谱放大倍数。
, figureFileSmall=czFaAqQ8k1blqIne2Wy5Og==, figureFileBig=w5//+j+6REXWzsb3hLQvuA==, tableContent=null), ArticleFig(id=1289306920691548883, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=EN, label=Fig. 3, caption=
Comparative analysis of Raman spectra of GeO2 samples before and after the hydrothermal treatment, figureFileSmall=6ey3sJ0JhpWpkwNUgkqsOg==, figureFileBig=SnXumO+2u7Cio6SoT0IVxA==, tableContent=null), ArticleFig(id=1289306920758657748, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=CN, label=图3, caption=
实验前后GeO2样品的拉曼光谱对比分析a. 反应前六方晶系二氧化锗(由上海阿拉丁生化科技股份有限公司生产、纯度为99.99% metals basis)的拉曼光谱;b. 反应后合成的四方晶系二氧化锗样品的拉曼光谱;六方晶系特征峰的消失和四方晶系特征峰的出现证实了相转变的完全性,未检测到残留六方相或其他杂质。
, figureFileSmall=6ey3sJ0JhpWpkwNUgkqsOg==, figureFileBig=SnXumO+2u7Cio6SoT0IVxA==, tableContent=null), ArticleFig(id=1289306920821572309, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=EN, label=Fig. 4, caption=
The XRD qualitative analytical pattern of hexagonal germanium dioxide for experiment, figureFileSmall=pUpDrI5Tcg9p7WiMVFRAYw==, figureFileBig=5x6DdvtruD/Cc/OjfWujcA==, tableContent=null), ArticleFig(id=1289306920884486870, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=CN, label=图4, caption=
实验用六方晶系二氧化锗 XRD 定性分析图谱图中展示了实验前六方晶系GeO2原料的XRD图谱,与标准六方晶系GeO2衍射卡片(PDF#85-0473)吻合,未检测到四方晶系或非晶态杂质。
, figureFileSmall=pUpDrI5Tcg9p7WiMVFRAYw==, figureFileBig=5x6DdvtruD/Cc/OjfWujcA==, tableContent=null), ArticleFig(id=1289306920951595735, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=EN, label=Fig. 5, caption=
The X-ray diffraction spactra of tetragonal GeO2 samples synthesized under various temperature-pressure conditions, figureFileSmall=mBkWK1+dg0lyRE1XfFrGfg==, figureFileBig=hB23K7wEDg7lw+GOz5V7Cg==, tableContent=null), ArticleFig(id=1289306921014510296, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=CN, label=图5, caption=
不同温度压力条件下合成的四方晶系GeO2的X射线衍射分析图谱展示了在五种不同温度压力条件下(200 ℃/1.30×103 kPa、300 ℃/3.00×103 kPa、350 ℃/4.50×103 kPa、400 ℃/6.00×103 kPa、450 ℃/4.00×104 kPa)合成的四方晶系GeO2产物的XRD图谱;所有样品均呈现出一致的四方晶系GeO2特征衍射峰,与标准四方晶系GeO2衍射卡片(PDF#71-0651)匹配;所有条件下产物均无杂质衍射峰,表明该合成方法在较宽温度压力范围内均能获得高纯度四方晶系GeO2。
, figureFileSmall=mBkWK1+dg0lyRE1XfFrGfg==, figureFileBig=hB23K7wEDg7lw+GOz5V7Cg==, tableContent=null), ArticleFig(id=1289306921094202073, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=EN, label=Fig. 6, caption=
Comparative analysis of X-ray diffraction spectra of tetragonal GeO2 samples synthesized under different oxygen fugacity conditions, figureFileSmall=g7/yM5O9Z9zYuQiq8LExig==, figureFileBig=CLE/r/cw1oWBwc6ao3molA==, tableContent=null), ArticleFig(id=1289306921152922330, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=CN, label=图6, caption=
不同氧逸度条件下合成的四方晶系GeO2的X射线衍射图谱对比图谱比较了在450 ℃、1.00×104 kPa条件下,采用四种不同氧逸度环境合成的四方晶系GeO2样品的XRD图谱:无缓冲剂组(对应H2-H2O体系,氧逸度约1.05×10-28 kPa)、Ni-NiO缓冲系统(氧逸度1.05×10-23 kPa)、 Fe3O4-Fe2O3缓冲系统(氧逸度3.98×10-21 kPa)、MoO2-MoO3缓冲系统(氧逸度1.0×10-13 kPa);所有样品均呈现出一致的四方晶系GeO2衍射峰位置和相对强度。
, figureFileSmall=g7/yM5O9Z9zYuQiq8LExig==, figureFileBig=CLE/r/cw1oWBwc6ao3molA==, tableContent=null), ArticleFig(id=1289306921211642587, tenantId=1146029695717560320, journalId=1287019341717536775, articleId=1289306913452180123, language=EN, label=Table 1, caption=
The initial conditions of experiments
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实验编号 | 温度/°C | 压力/kPa | 氧逸度缓冲剂 | 持续时间/d |
1 | 200 | 1.30×103 | Ni-NiO | 3 |
2 | 300 | 3.00×103 | Ni-NiO | 3 |
3 | 350 | 4.50×103 | Ni-NiO | 3 |
4 | 400 | 6.00×103 | Ni-NiO | 3 |
5 | 450 | 4.00×104 | Ni-NiO | 3 |
6 | 450 | 1.00×104 | 无 | 7 |
7 | 450 | 1.00×104 | Ni-NiO | 7 |
8 | 450 | 1.00×104 | Fe2O3-Fe3O4 | 7 |
9 | 450 | 1.00×104 | MoO2-MoO3 | 7 |
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实验初始条件
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实验编号 | 温度/°C | 压力/kPa | 氧逸度缓冲剂 | 持续时间/d |
1 | 200 | 1.30×103 | Ni-NiO | 3 |
2 | 300 | 3.00×103 | Ni-NiO | 3 |
3 | 350 | 4.50×103 | Ni-NiO | 3 |
4 | 400 | 6.00×103 | Ni-NiO | 3 |
5 | 450 | 4.00×104 | Ni-NiO | 3 |
6 | 450 | 1.00×104 | 无 | 7 |
7 | 450 | 1.00×104 | Ni-NiO | 7 |
8 | 450 | 1.00×104 | Fe2O3-Fe3O4 | 7 |
9 | 450 | 1.00×104 | MoO2-MoO3 | 7 |
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