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Influence of Cation Size on the Local Atomic Structure and Electronic Properties of Ta Perovskite Oxynitrides
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    Influence of Cation Size on the Local Atomic Structure and Electronic Properties of Ta Perovskite Oxynitrides
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    • Xin Wang
      Xin Wang
      Department of Materials Science and Engineering and Joint Institute of Advanced Materials, University of Tennessee, Knoxville, Tennessee 37996, United States
      More by Xin Wang
    • Bo Jiang
      Bo Jiang
      Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
      More by Bo Jiang
    • Yuanpeng Zhang
      Yuanpeng Zhang
      Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
    • Young-Il Kim
      Young-Il Kim
      Department of Chemistry, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
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    • Katharine Page*
      Katharine Page
      Department of Materials Science and Engineering and Joint Institute of Advanced Materials, University of Tennessee, Knoxville, Tennessee 37996, United States
      Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
      Shull Wollan Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
      *Email: [email protected]
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    Inorganic Chemistry

    Cite this: Inorg. Chem. 2021, 60, 18, 14190–14201
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    https://doi.org/10.1021/acs.inorgchem.1c01594
    Published September 2, 2021
    Copyright © 2021 American Chemical Society

    Abstract

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    Partial anion substitution in transition metal oxides provides rich opportunities to control and tune physical and chemical properties, for example, combining the merits of oxides and nitrides. In addition, the possibility of resulting anion sublattice order provides a means to target polar and chiral structures based on a wide array of accessible structural archetypes by design. Here, we investigate the local structures of a family of perovskite tantalum oxynitrides—ATaO2N (A = Ba, Sr, and Ca)—using a combination of experimental and theoretical approaches including neutron total scattering, density functional theory (DFT), and ab initio molecular dynamics (AIMD) simulations. We present the first experimental study of chemical short-range order (CSRO) in CaTaO2N, confirming local cis N ordering of the anion sub-lattice. Our systematic exploration of a local structure across the A cation size series (from the larger Ba to the smaller Ca) reveals a perovskite motif increasingly distorted with respect to long-range average structures. DFT and AIMD simulations support the observed trends. Overall, structures with cis ordering of the nitrogen anions in each TaO4N2 octahedron are favored over those with trans ordering. With diminishing A cation size, local cis ordering and Ta off-centering play decreasing roles in overall lattice stability, overshadowed by the stabilizing effects of octahedral tilting. The influence of these factors on local dipole formation and frustrated dipole ordering are discussed.

    Copyright © 2021 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.inorgchem.1c01594.

    • Influence of cation size on the local atomic structure and electronic properties of Ta perovskite oxynitrides: AC impedance of ATaO2N; details and results of alternate Rietveld analyses; numbers of refined atomic coordinate parameters involved in the local structure model fits; PDF sensitivity test results; “Large-box” PDF models and refinements; DFT results; and crystallographic powder data and refinement details (PDF).

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    Cited By

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    This article is cited by 11 publications.

    1. Shinichi Kikkawa. Nanocrystallization in Metal Nitrides and Oxynitrides. Chemistry of Materials 2024, 36 (19) , 9167-9172. https://doi.org/10.1021/acs.chemmater.4c01749
    2. Yuji Masubuchi, Kyohei Koyama, Akira Hosono, Mikio Higuchi, Masaki Takesada, Kazuki Shitara, Hiroki Moriwake, Shinichi Kikkawa. Average Cubic BaTaO2N Crystal Structure Formed by 50 nm Size Domains with Polar Nanoregions Consisting of cis-TaO4N2 Octahedral Chains. Chemistry of Materials 2024, 36 (15) , 7504-7513. https://doi.org/10.1021/acs.chemmater.4c01474
    3. Carolyne Chepkemboi, Kyle Jorgensen, Janell Sato, Geneva Laurita. Strategies and Considerations for Least-Squares Analysis of Total Scattering Data. ACS Omega 2022, 7 (17) , 14402-14411. https://doi.org/10.1021/acsomega.2c01285
    4. Faezeh Pakravesh, Mohammad Izadyar. Theoretical insights into the electronic and optical properties of lithium-based perovskite for solar cell applications. Journal of Photochemistry and Photobiology A: Chemistry 2024, 453 , 115602. https://doi.org/10.1016/j.jphotochem.2024.115602
    5. Mirabbos Hojamberdiev, Ronald Vargas, Fuxiang Zhang, Katsuya Teshima, Martin Lerch. Perovskite BaTaO 2 N: From Materials Synthesis to Solar Water Splitting. Advanced Science 2023, 10 (33) https://doi.org/10.1002/advs.202305179
    6. Marcos R. Imer, Leopoldo Suescun, Federico A. Rabuffetti. A small-box approach to the local crystal structure of Y3NbO7. Journal of Solid State Chemistry 2023, 325 , 124147. https://doi.org/10.1016/j.jssc.2023.124147
    7. Zhi Deng, Diancheng Chen, Mingyang Ou, Yuanpeng Zhang, Jia Xu, Dixing Ni, Zhaoran Ji, Jiantao Han, Yang Sun, Shuai Li, Chuying Ouyang, Zhaoxiang Wang. Cation Disordered Anti‐Perovskite Cathode Materials with Enhanced Lithium Diffusion and Suppressed Phase Transition. Advanced Energy Materials 2023, 13 (28) https://doi.org/10.1002/aenm.202300695
    8. Faezeh Pakravesh, Mohammad Izadyar. Theoretical Insights into the Electronic and Optical Properties of Lithium-Based Perovskite for Solar Cell Applications. 2023https://doi.org/10.2139/ssrn.4612011
    9. Young-Il Kim, Maxim Avdeev. Synthesis, structural distortion, and magnetic property of complex perovskites AMn0.2M0.8O2.6N0.4 (A = Sr, Ba; M = Nb, Ta). Journal of Solid State Chemistry 2022, 316 , 123636. https://doi.org/10.1016/j.jssc.2022.123636
    10. Xiaoming Xu, Wenjing Wang, Yuanming Zhang, Yong Chen, Huiting Huang, Tao Fang, Yang Li, Zhaosheng Li, Zhigang Zou. Centimeter-scale perovskite SrTaO2N single crystals with enhanced photoelectrochemical performance. Science Bulletin 2022, 67 (14) , 1458-1466. https://doi.org/10.1016/j.scib.2022.06.005
    11. Young-Il Kim, Maxim Avdeev. Synthesis, Structural Distortion, and Magnetic Property of Complex Perovskites Amn0.2m0.8o2.6n0.4 (a = Sr, Ba; M = Nb, Ta). SSRN Electronic Journal 2022, 31 https://doi.org/10.2139/ssrn.4157151
    12. Young-Il Kim, Maxim Avdeev. Synthesis, Structural Distortion, and Magnetic Property of Complex Perovskites Amn0.2m0.8o2.6n0.4 (a = Sr, Ba; M = Nb, Ta). SSRN Electronic Journal 2022, 31 https://doi.org/10.2139/ssrn.4197065

    Inorganic Chemistry

    Cite this: Inorg. Chem. 2021, 60, 18, 14190–14201
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.inorgchem.1c01594
    Published September 2, 2021
    Copyright © 2021 American Chemical Society

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