Hydrothermal preparation,structure and characterizations of noncentrosymmetric LiZnO(IO3) |
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| Institution: | 1. Department of Physics, Northwest University, Xi''an 710069, China;2. Department of Chemistry, Clemson University, Clemson, SC 29634-0973, United States;1. Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstrasse 30, D-48149, Münster, Germany;2. Institut für Physikalische Chemie, Universität Münster, Corrensstrasse 30, Münster, D-48149, Germany;3. Institute of Physics in Sao Carlos, University of Sao Paulo, Sao Carlos, SP 13560-590, Brazil;1. Superconducting Materials Research Center, Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China;2. College of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China;1. College of Electronic Information and Engineering, Hangzhou Dianzi University, Hangzhou 310018, China;2. College of Materials Sciences and Engineering, Hangzhou Dianzi University, Hangzhou 310018, China;3. Instrument Analysis and Testing Center, Fuzhou University, Fuzhou 350002, China;4. Ningbo Institute of Materials Technologies and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;1. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;2. Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL 60115, USA;3. School of Materials Science and Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China;1. Mitsubishi Chemical Corporation, 1060 Naruda, Odawara, Kanagawa 250-0862, Japan;2. MCHC R&D Synergy Center, Inc., 1000 Kamoshida, Aoba, Yokohama, Kanagawa 227-8502, Japan;3. University of Oxford, Inorganic Chemistry Laboratory, South Parks Road, Oxford OX1 3QR, UK;4. University of Cambridge, Department of Materials Science and Metallurgy, 27 Charles Babbage Road, Cambridge CB3 0FS, UK;1. Department of Chemistry, Chung-Ang University, Seoul 156-756, Republic of Korea;2. Department of Chemistry, Kunsan National University, Gunsan, Jeonbuk 573-701, Republic of Korea;3. Department of Nano & Chemical Engineering, Kunsan National University, Gunsan, Jeonbuk 573-701, Republic of Korea |
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| Abstract: | A new lithium zinc iodate, LiZnO(IO3), has been prepared by hydrothermal reactions at 200 °C. Single-crystal X-ray diffraction experiment revealed that the compound crystallizes in a noncentrosymmetric orthorhombic space group Ama2 with cell parameters: a = 6.3386(6) Å, b = 11.2613(11) Å, c = 4.6840(5) Å, Z = 4. In the structure, the basic building units are the distorted ZnO6 octahedron, LiO4 tetrahedron and the IO3 group. These groups are linked together to form a three-dimensional structure by sharing the oxygen atoms. The DSC measurement demonstrates that the compound is stable up to 490 °C. Powder second-harmonic generation (SHG) test shows that the SHG effect is about 2 × KH2PO4. |
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| Keywords: | Iodate Noncentrosymmetric structure SHG effect Single-crystal structure |
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