DataVXAdvanced SciencePaper
journal article·2019-08Open access

Reduced Local Symmetry in Lithium Compound Li2SrSiO4 Distinguished by an Eu3+ Spectroscopy Probe

Lei Chen, Peng Cheng, Zhao Zhang, Liangrui He, Yang Jiang, Guobao Li, Xiping Jing, Yan'guang Qin, Min Yin, Ting‐Shan Chan, Bin Hong, Shi Tao, Wangsheng Chu, Zhi Zhao, Haiyong Ni, Holger Kohlmann, Oliver Oeckler

Advanced Science· Volume 6· Issue 16
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Source abstract

Abstract

Abstract Research on lithium compounds has attracted much attention nowadays. However, to elucidate the precise structure of lithium compounds is a challenge, especially when considering the small ions that may be transferred between the interstitial voids. Here, the discovery of reduced local symmetry (symmetry breaking) in small domains of Li2SrSiO4 is reported by employing Eu3+ as a spectroscopic probe, for which X‐ray, neutron, and electron diffraction have confirmed the average long‐range structure with the space group P3121. However, luminescence shows a lower local symmetry, as confirmed by the extended X‐ray absorption fine structure. By considering the reduced symmetry of the local structure, this work opens the door to a new class of understanding of the properties of materials.
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Research context

OpenAlex topics: Advanced Condensed Matter Physics · Crystal Structures and Properties · Luminescence Properties of Advanced Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering Hefei University of Technology Hefei 230009 China

Intelligent Manufacturing Institute of Hefei University of Technology Hefei 230051 China

College of Chemistry and Molecular Engineering Peking University Beijing 100871 China

Department of Physics University of Science and Technology of China Hefei 230026 China

National Synchrotron Radiation Research Center Hsinchu 30076 Taiwan

Hefei Innovation Research Institute Beihang University Heifei 230013 China

National Synchrotron Radiation Laboratory University of Science and Technology of China Hefei 230026 China

Hefei National Laboratory for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China

Guangdong Research Institute of Rare Metals Guangdong Academy of Sciences Guangzhou 510651 China

Institut für Anorganische Chemie Universität Leipzig Johannisallee 29 04103 Leipzig Germany

Institut für Mineralogie Kristallographie und Materialwissenschaft Universität Leipzig Scharnhorststr. 20 D‐04275 Leipzig Germany

Funding

National Natural Science Foundation of China · National Science Council

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