Polytypism of incommensurately modulated structures of crystalline bromine upon molecular dissociation under high pressure

被引：3

作者：

Yin, Yuqing ^{[1
,2
,3
]}

Aslandukov, Andrey ^{[1
,4
]}

Bykov, Maxim ^{[5
]}

Laniel, Dominique ^{[6
,7
]}

Aslandukova, Alena ^{[4
]}

Pakhomova, Anna ^{[8
]}

Fedotenko, Timofey ^{[9
]}

Zhou, Wenju ^{[1
]}

Akbar, Fariia Iasmin ^{[1
,4
]}

Hanfland, Michael ^{[8
]}

Glazyrin, Konstantin ^{[9
]}

Giacobbe, Carlotta ^{[8
]}

Bright, Eleanor Lawrence ^{[8
]}

Garbarino, Gaston ^{[8
]}

Jia, Zhitai ^{[2
]}

Dubrovinskaia, Natalia ^{[1
,3
]}

Dubrovinsky, Leonid ^{[4
]}

机构：

[1] Univ Bayreuth, Lab Crystallog, Mat Phys & Technol Extreme Condit, D-95440 Bayreuth, Germany

[2] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[3] Linkoping Univ, Dept Phys Chem & Biol IFM, SE-58183 Linkoping, Sweden

[4] Univ Bayreuth, Bayer Geoinst, D-95440 Bayreuth, Germany

[5] Univ Cologne, Inst Inorgan Chem, Greinstr 6, D-50939 Cologne, Germany

[6] Univ Edinburgh, Ctr Sci Extreme Condit, Edinburgh EH9 3FD, Scotland

[7] Univ Edinburgh, Sch Phys & Astron, Edinburgh EH9 3FD, Scotland

[8] European Synchrotron Radiat Facil, F-38000 Grenoble, France

[9] Deutsch Elektronen Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany

来源：

PHYSICAL REVIEW B | 2024年 / 110卷 / 10期

关键词：

PHASE; CRYSTALLOGRAPHY; IODINE;

D O I：

10.1103/PhysRevB.110.104111

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Polytypism of incommensurately modulated structures was hitherto unobserved. Here, it was found in solid bromine and iodine upon molecular dissociation under pressure up to 112 GPa. Single-crystal synchrotron x-ray diffraction in laser-heated diamond anvil cells revealed a number of allotropes of bromine and iodine, including polytypes of Br-III gamma (Fmmm(00 gamma)s00) with gamma varying within 0.18 to 0.3, coexisting at a given pressure. This finding opens a research area in the field of solid-solid phase transitions, disordered states of solid matter, and high-pressure structural studies.

引用

页数：20

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