Combining rigid and deformable groups to construct a robust birefringent crystal for compact polarization components - Details

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There　is　a　pressing　demand　for　the　development　of　novel　birefringent　crystals　tailored　for　compact　optical　components,　especially　for　crystals　exhibiting　large　birefringence　across　a　range　of　temperatures.　This　has　commonly　been　achieved　by　introducing　various　deformable　groups　with　high　polarizability　anisotropy.　In　this　study,　we　combined　both　rigid　and　deformable　groups　to　synthesise　a　new　birefringent　crystal,　Al2Te2MoO10,　which　demonstrates　an　exceptional　birefringence　value　of　0.29@550　nm　at　room　temperature.　Not　only　is　this　higher　birefringence　than　that　of　commercial　crystals,　but　Al2Te2MoO10　exhibits　excellent　birefringence　stability　over　a　wide　temperature　range,　from　123　to　503　K.　In　addition,　the　first-principles　theory　calculations　and　structural　analyses　suggest　that　although　the　rigid　AlO6　groups　do　not　make　much　contribution　to　the　prominent　birefringence,　they　nonetheless　played　a　role　in　maintaining　the　structural　anisotropy　at　elevated　temperatures.　Based　on　these　findings,　this　paper　proposes　a　novel　structural　design　strategy　to　complement　conventional　approaches　for　developing　optimal　birefringent　crystals　under　various　environmental　conditions.　©　2024　Science　China　Press

Keyword：

Birefringent crystal Combining rigid and deformable groups Optical anisotropy Structure-property relationship

Community：

[ 1 ] [Du Z.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 2 ] [Du Z.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 3 ] [Du Z.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 4 ] [Song X.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 5 ] [Song X.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 6 ] [Song X.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 7 ] [Liu W.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 8 ] [Liu W.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 9 ] [Wang Z.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 10 ] [Wang Z.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 11 ] [Sha H.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 12 ] [Sha H.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 13 ] [Xu Q.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 14 ] [Zhou Y.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 15 ] [Zhou Y.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 16 ] [Li Y.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 17 ] [Luo J.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 18 ] [Luo J.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 19 ] [Luo J.]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
[ 20 ] [Zhao S.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 21 ] [Zhao S.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 22 ] [Zhao S.]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China

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Source ：

Science Bulletin

ISSN： 2095-9273

CN： 10-1298/N

Year： 2024

Issue： 14

Volume： 69

Page： 2205-2211

1 8 . 8 0 0

JCR@2023

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