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Lu D, Zhang J, Zhao H, Pi M, Ye X, Liu Z, Wang X, Zhang X, Pan Z, Hsu SY, Chang CK, Chen JM, Hu Z, Long Y. Robust Crystal Phase Separation with Distinct Charge, Orbital, and Spin Orders in AgMn 7O 12. Inorg Chem 2024; 63:3191-3198. [PMID: 38294201 DOI: 10.1021/acs.inorgchem.3c04360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
An AA'3B4O12-type A-site-ordered quadruple perovskite oxide AgMn7O12 was prepared by high-pressure and high-temperature methods. At room temperature, the compound crystallizes into a cubic Im3̅ symmetry with a charge distribution of AgMn33+Mn43.5+O12. With the temperature decreasing to TCO,OO ≈ 180 K, the compound undergoes a structural phase transition toward a monoclinic C2/m symmetry, giving rise to a B-site charge- and orbital-ordered AgMn33+Mn23+Mn24+O12 phase. Moreover, this charge-/orbital-ordered main phase coexists with the initial cubic AgMn33+Mn43.5+O12 phase in the wide temperature range we measured. The charge-/orbital-ordered phase shows two antiferromagnetic phase transitions near 125 and 90 K, respectively. Short-range ferromagnetic correlations are found to occur for the initial B-site mixed cubic phase around 35 K. Because of the robust phase separation, considerable magnetoresistance effects are observed below TCO,OO in AgMn7O12.
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Affiliation(s)
- Dabiao Lu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Haoting Zhao
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Maocai Pi
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xubin Ye
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhehong Liu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Xiao Wang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Xueqiang Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhao Pan
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Su-Yang Hsu
- National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - Chung-Kai Chang
- National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - Jin-Ming Chen
- National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - Zhiwei Hu
- Max Planck Institute for Chemical Physics of Solids, Dresden 01187, Germany
| | - Youwen Long
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
- Songshan Lake Materials Laboratory, Dongguan 523808, Guangdong, China
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Soboleva IS, Nitsenko VI, Sobolev AV, Smirnova MN, Belik AA, Presniakov IA. Understanding Complex Interplay among Different Instabilities in Multiferroic BiMn 7O 12 Using 57Fe Probe Mössbauer Spectroscopy. Int J Mol Sci 2024; 25:1437. [PMID: 38338715 PMCID: PMC10855744 DOI: 10.3390/ijms25031437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 01/20/2024] [Accepted: 01/21/2024] [Indexed: 02/12/2024] Open
Abstract
Here, we report the results of a Mössbauer study on hyperfine electrical and magnetic interactions in quadruple perovskite BiMn7O12 doped with 57Fe probes. Measurements were performed in the temperature range of 10 K < T < 670 K, wherein BiMn6.9657Fe0.04O12 undergoes a cascade of structural (T1 ≈ 590 K, T2 ≈ 442 K, and T3 ≈ 240 K) and magnetic (TN1 ≈ 57 K, TN2 ≈ 50 K, and TN3 ≈ 24 K) phase transitions. The analysis of the electric field gradient (EFG) parameters, including the dipole contribution from Bi3+ ions, confirmed the presence of the local dipole moments pBi, which are randomly oriented in the paraelectric cubic phase (T > T1). The unusual behavior of the parameters of hyperfine interactions between T1 and T2 was attributed to the dynamic Jahn-Teller effect that leads to the softening of the orbital mode of Mn3+ ions. The parameters of the hyperfine interactions of 57Fe in the phases with non-zero spontaneous electrical polarization (Ps), including the P1 ↔ Im transition at T3, were analyzed. On the basis of the structural data and the quadrupole splitting Δ(T) derived from the 57Fe Mössbauer spectra, the algorithm, based on the Born effective charge model, is proposed to describe Ps(T) dependence. The Ps(T) dependence around the Im ↔ I2/m phase transition at T2 is analyzed using the effective field approach. Possible reasons for the complex relaxation behavior of the spectra in the magnetically ordered states (T < TN1) are also discussed.
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Affiliation(s)
- Iana S. Soboleva
- Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia; (I.S.S.); (V.I.N.); (I.A.P.)
| | - Vladimir I. Nitsenko
- Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia; (I.S.S.); (V.I.N.); (I.A.P.)
| | - Alexey V. Sobolev
- Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia; (I.S.S.); (V.I.N.); (I.A.P.)
- Department of Chemistry, MSU-BIT University, Shenzhen 517182, China
| | - Maria N. Smirnova
- Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia; (I.S.S.); (V.I.N.); (I.A.P.)
- Kurnakov Institute of General and Inorganic Chemistry of Russian Academy of Sciences (RAS), Moscow 119991, Russia
| | - Alexei A. Belik
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba 305-0044, Ibaraki, Japan;
| | - Igor A. Presniakov
- Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia; (I.S.S.); (V.I.N.); (I.A.P.)
- Department of Chemistry, MSU-BIT University, Shenzhen 517182, China
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Zuhra Z, Li S, Xie G, Wang X. Soot Erased: Catalysts and Their Mechanistic Chemistry. Molecules 2023; 28:6884. [PMID: 37836727 PMCID: PMC10574243 DOI: 10.3390/molecules28196884] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
Soot formation is an inevitable consequence of the combustion of carbonaceous fuels in environments rich in reducing agents. Efficient management of pollution in various contexts, such as industrial fires, vehicle engines, and similar applications, relies heavily on the subsequent oxidation of soot particles. Among the oxidizing agents employed for this purpose, oxygen, carbon dioxide, water vapor, and nitrogen dioxide have all demonstrated effectiveness. The scientific framework of this research can be elucidated through the following key aspects: (i) This review situates itself within the broader context of pollution management, emphasizing the importance of effective soot oxidation in reducing emissions and mitigating environmental impacts. (ii) The central research question of this study pertains to the identification and evaluation of catalysts for soot oxidation, with a specific emphasis on ceria-based catalysts. The formulation of this research question arises from the need to enhance our understanding of catalytic mechanisms and their application in environmental remediation. This question serves as the guiding principle that directs the research methodology. (iii) This review seeks to investigate the catalytic mechanisms involved in soot oxidation. (iv) This review highlights the efficacy of ceria-based catalysts as well as other types of catalysts in soot oxidation and elucidate the underlying mechanistic strategies. The significance of these findings is discussed in the context of pollution management and environmental sustainability. This study contributes to the advancement of knowledge in the field of catalysis and provides valuable insights for the development of effective strategies to combat air pollution, ultimately promoting a cleaner and healthier environment.
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Affiliation(s)
- Zareen Zuhra
- Department of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China; (Z.Z.); (S.L.); (X.W.)
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
| | - Shuo Li
- Department of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China; (Z.Z.); (S.L.); (X.W.)
| | - Guanqun Xie
- Department of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China; (Z.Z.); (S.L.); (X.W.)
| | - Xiaoxia Wang
- Department of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China; (Z.Z.); (S.L.); (X.W.)
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Jia M, Fan Y, Sun Z, Hu X. ZrO 2 supported perovskite activation of peroxymonosulfate for sulfamethoxazole removal from aqueous solution. CHEMOSPHERE 2022; 298:134339. [PMID: 35304221 DOI: 10.1016/j.chemosphere.2022.134339] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/03/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
In this study, A- and B-site doped perovskite La0.5Sr0.5Co0.8Ni0.2O3 (LSCN) was prepared by sol-gel method. On this basis, ZrO2 supported LSCN used to maintain high catalytic activity while inhibit the leaching of toxic Co ions. Compared with the non-doped LaCoO3, the ZrO2@La0.5Sr0.5Co0.8Ni0.2O3 (Z@LSCN82)/PMS system could almost completely degrade SMX in 30 min. In addition, the leaching amount of Co ions was only 0.303 mg L-1. Free radical quenching experiments and electron paramagnetic resonance experiments proved that active species SO4•-, •OH and 1O2 existed in the Z@LSCN82/PMS system, and SO4•- played a major role. Besides, the catalyst had high efficiency for SMX degradation in a wide pH range. In addition, co-existing anions in water such as HPO4- and Cl- also showed slight inhibition of the system. It was indicated that the Z@LSCN82/PMS system had huge potential applications for practical wastewater treatment.
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Affiliation(s)
- Muhan Jia
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Yan Fan
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Zhirong Sun
- College of Environmental & Energy Engineering, Beijing University of Technology, Beijing, 100124, PR China
| | - Xiang Hu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China.
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Ren Y, Kashihara K, Uchiyama T, Orikasa Y, Watanabe T, Yamamoto K, Takami T, Matsunaga T, Nishiki Y, Mitsushima S, Uchimoto Y. CaMn
7
O
12
Quadruple Perovskite Oxides Proceed by Two‐Active‐Site Reaction Mechanism for the Oxygen Evolution Reaction. ChemElectroChem 2021. [DOI: 10.1002/celc.202101228] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yadan Ren
- Graduate School of Human and Environmental Studies Kyoto University Yoshida Nihonmatsu-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Kodai Kashihara
- Graduate School of Human and Environmental Studies Kyoto University Yoshida Nihonmatsu-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Tomoki Uchiyama
- Graduate School of Human and Environmental Studies Kyoto University Yoshida Nihonmatsu-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Yuki Orikasa
- Department of Applied Chemistry College of Life Sciences Ritsumeikan University 1-1-1 Noji Higashi Kusatsu Shiga 525-8577 Japan
| | - Toshiki Watanabe
- Graduate School of Human and Environmental Studies Kyoto University Yoshida Nihonmatsu-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Kentaro Yamamoto
- Graduate School of Human and Environmental Studies Kyoto University Yoshida Nihonmatsu-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Tsuyoshi Takami
- Graduate School of Human and Environmental Studies Kyoto University Yoshida Nihonmatsu-cho, Sakyo-ku Kyoto 606-8501 Japan
| | - Toshiyuki Matsunaga
- Graduate School of Human and Environmental Studies Kyoto University Yoshida Nihonmatsu-cho, Sakyo-ku Kyoto 606-8501 Japan
| | | | - Shigenori Mitsushima
- Graduate School of Engineering Science Yokohama National University 79-5, Tokiwadai, Hodogaya-ku Yokohama Kanagawa 240-8501 Japan
- Institute of Advanced Sciences Yokohama National University 79-5, Tokiwadai, Hodogaya-ku Yokohama Kanagawa 240-8501 Japan
| | - Yoshiharu Uchimoto
- Graduate School of Human and Environmental Studies Kyoto University Yoshida Nihonmatsu-cho, Sakyo-ku Kyoto 606-8501 Japan
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Belik AA, Johnson RD, Khalyavin DD. The rich physics of A-site-ordered quadruple perovskite manganites AMn 7O 12. Dalton Trans 2021; 50:15458-15472. [PMID: 34632992 DOI: 10.1039/d1dt02992d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Perovskite-structure AMnO3 manganites played an important role in the development of numerous physical concepts such as double exchange, small polarons, electron-phonon coupling, and Jahn-Teller effects, and they host a variety of important properties such as colossal magnetoresistance and spin-induced ferroelectric polarization (multiferroicity). A-site-ordered quadruple perovskite manganites AMn7O12 were discovered shortly after, but at that time their exploration was quite limited. Significant progress in their understanding has been reached in recent years after the wider use of high-pressure synthesis techniques needed to prepare such materials. Here we review this progress, and show that the AMn7O12 compounds host rich physics beyond the canonical AMnO3 materials.
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Affiliation(s)
- Alexei A Belik
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan.
| | - Roger D Johnson
- Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, UK
| | - Dmitry D Khalyavin
- ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX, UK
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Liu D, Zhou P, Bai H, Ai H, Du X, Chen M, Liu D, Ip WF, Lo KH, Kwok CT, Chen S, Wang S, Xing G, Wang X, Pan H. Development of Perovskite Oxide-Based Electrocatalysts for Oxygen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2101605. [PMID: 34310054 DOI: 10.1002/smll.202101605] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/18/2021] [Indexed: 06/13/2023]
Abstract
Perovskite oxides are studied as electrocatalysts for oxygen evolution reactions (OER) because of their low cost, tunable structure, high stability, and good catalytic activity. However, there are two main challenges for most perovskite oxides to be efficient in OER, namely less active sites and low electrical conductivity, leading to limited catalytic performance. To overcome these intrinsic obstacles, various strategies are developed to enhance their catalytic activities in OER. In this review, the recent developments of these strategies is comprehensively summarized and systematically discussed, including composition engineering, crystal facet control, morphology modulation, defect engineering, and hybridization. Finally, perspectives on the design of perovskite oxide-based electrocatalysts for practical applications in OER are given.
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Affiliation(s)
- Dong Liu
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
| | - Pengfei Zhou
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
| | - Haoyun Bai
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
| | - Haoqiang Ai
- Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macao SAR, 999078, China
| | - Xinyu Du
- Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macao SAR, 999078, China
| | - Mingpeng Chen
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
| | - Di Liu
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
| | - Weng Fai Ip
- Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Taipa, Macao SAR, 999078, China
| | - Kin Ho Lo
- Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macao SAR, 999078, China
| | - Chi Tat Kwok
- Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macao SAR, 999078, China
| | - Shi Chen
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
| | - Shuangpeng Wang
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
| | - Guichuan Xing
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
| | - Xuesen Wang
- Department of Physics, National University of Singapore, Singapore, 117542, Singapore
| | - Hui Pan
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macao SAR, 999078, China
- Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Taipa, Macao SAR, 999078, China
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Hou J, He X, Zhang S, Yu J, Feng M, Li X. Recent advances in cobalt-activated sulfate radical-based advanced oxidation processes for water remediation: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 770:145311. [PMID: 33736411 DOI: 10.1016/j.scitotenv.2021.145311] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/12/2021] [Accepted: 01/16/2021] [Indexed: 06/12/2023]
Abstract
Sulfate radical-based advanced oxidation processes (SR-AOPs) have attracted increasing attention for the degradation of organic contaminants in water. The oxidants of SR-AOPs could be activated to generate different kinds of reactive oxygen species (ROS, e.g., hydroxyl radicals (OH), sulfate radicals (SO4-), singlet oxygen (1O2), and superoxide radicals (O2-)) by various catalysts. As one of the promising catalysts, cobalt-based catalysts have been extensively investigated in catalytic activity and stability during water remediation. This article mainly summarizes recent advances in preparation and applications of cobalt-based catalysts on peroxydisulfate (PDS)/peroxymonosulfate (PMS) activation since 2016. The review covers the development of homogeneous cobalt ions, cobalt oxides, supported cobalt composites, and cobalt-based mixed metal oxides for PDS/PMS activation, especially for the latest nanocomposites such as cobalt-based metal-organic frameworks and single-atom catalysts. This article also discussed the activation mechanisms and the influencing factors of different cobalt-based catalysts for activating PDS/PMS. Finally, the future perspectives on the challenges and applications of cobalt-based catalysts are presented at the end of this paper.
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Affiliation(s)
- Jifei Hou
- School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Xiudan He
- School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Shengqi Zhang
- College of Environment & Ecology, Xiamen University, Xiamen 361102, China
| | - Jialin Yu
- School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Mingbao Feng
- College of Environment & Ecology, Xiamen University, Xiamen 361102, China.
| | - Xuede Li
- School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China.
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Yamaguchi K, Miyagawa K, Isobe H, Shoji M, Kawakami T, Yamanaka S. Isolobal and isospin analogy between organic and inorganic open-shell molecules—Application to oxygenation reactions by active oxygen and oxy-radicals and water oxidation in the native and artificial photosynthesis. ADVANCES IN QUANTUM CHEMISTRY 2021. [DOI: 10.1016/bs.aiq.2021.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Yamada I, Odake T, Tanaka A, Okazaki Y, Toda F, Ishii Y, Taniguchi T, Kawaguchi S, Hariki A. A Sequential Electron Doping for Quadruple Perovskite Oxides ACu 3Co 4O 12 ( A = Ca, Y, Ce). Inorg Chem 2020; 59:8699-8706. [PMID: 32530609 DOI: 10.1021/acs.inorgchem.0c00184] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A novel quadruple perovskite oxide CeCu3Co4O12 has been synthesized in high-pressure and high-temperature conditions of 12 GPa and 1273 K. Rietveld refinement of the synchrotron X-ray powder diffraction pattern reveals that this oxide crystallizes in a cubic quadruple perovskite structure with the 1:3-type ordering of Ce and Cu ions at the A-site. X-ray absorption spectroscopy analysis demonstrates the valence-state transitions in the ACu3Co4O12 series (A = Ca, Y, Ce) from Ca2+Cu3+3Co3.25+4O12 to Y3+Cu3+3Co3+4O12 to Ce4+Cu2.67+3Co3+4O12, where the electrons are doped in the order from B-site (Co3.25+ → Co3+) to A'-site (Cu3+ → Cu2.67+). This electron-doping sequence is in stark contrast to the typical B-site electron doping for simple ABO3-type perovskite and quadruple perovskites CaCu3B4O12 (B = V, Cr, Mn), further differing from the monotonical A'-site electron doping for Na1-xLaxMn3Ti4O12 and A'- and B-site electron doping for AMn3V4O12 (A = Na, Ca, La). The differences in the electron-doping sequences are interpreted by rigid-band models, proposing a wide variety of electronic states for the complex transition-metal oxides containing the multiple valence-variable ions.
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Affiliation(s)
- Ikuya Yamada
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1-2 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8570, Japan
| | - Takao Odake
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1-2 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8570, Japan
| | - Atsushi Tanaka
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1-2 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8570, Japan
| | - Yuichi Okazaki
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1-2 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8570, Japan
| | - Fumito Toda
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1-2 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8570, Japan
| | - Yuta Ishii
- Department of Physics, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Toshifumi Taniguchi
- Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
| | - Atsushi Hariki
- Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
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11
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Liu R, Khalyavin DD, Tsunoda N, Kumagai Y, Oba F, Katsuya Y, Tanaka M, Yamaura K, Belik AA. Spin-Glass Magnetic Properties of A-Site Columnar-Ordered Quadruple Perovskites Y 2MnGa(Mn 4-xGa x)O 12 with 0 ≤ x ≤ 3. Inorg Chem 2019; 58:14830-14841. [PMID: 31638779 DOI: 10.1021/acs.inorgchem.9b02542] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Y2MnGa(Mn4-xGax)O12 solid solutions were synthesized at high pressure of ∼6 GPa and high temperature of ∼1570 K for the 0 ≤ x ≤ 3 compositional range. Synchrotron X-ray and neutron powder diffraction were used to study the crystal structures and cation distributions. These solutions adopt the parent structure of the A-site columnar-ordered quadruple perovskite family with space group P42/nmc (No. 137). They have lattice parameters of a = 7.36095 Å and c = 7.753 84 Å (x = 0), a = 7.361 68 Å and c = 7.716 16 Å (x = 1), a = 7.360 34 Å and c = 7.67142 Å (x = 2), and a = 7.363 93 Å and c = 7.616 85 Å (x = 3) at room temperature. The x = 0 sample has a cation distribution of [Y3+2]A[Mn3+]A'[Ga3+0.68Mn2+0.32]A″[Mn3.68Ga0.32]BO12 with a preferred localization of Ga3+ in the tetrahedral A″ site and with a small amount of Ga3+ in the octahedral B site. A complete triple A-site order, [Y3+2]A[Mn3+]A'[Ga3+]A″[Mn3+4-xGa3+x]BO12, is realized for x ≥ 1. All samples demonstrate spin-glass-like magnetic properties, and the absence of a long-range magnetic order at the ground state at 1.5 K was confirmed by neutron diffraction for the x = 1 sample. First-principles calculations indicated the spin-glass-like magnetic ordering is derived from the Ga substitution to the B sites and gave evidence that the ideal cation distribution could produce robust ferromagnetism in this family of perovskites.
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Affiliation(s)
- Ran Liu
- Research Center for Functional Materials , National Institute for Materials Science , Namiki 1-1 , Tsukuba 305-0044 , Ibaraki , Japan.,Graduate School of Chemical Sciences and Engineering , Hokkaido University , North 10 West 8, Kita-ku , Sapporo, Hokkaido 060-0810 , Japan
| | - Dmitry D Khalyavin
- ISIS Facility , Rutherford Appleton Laboratory , Chilton, Didcot OX11 0QX , United Kingdom
| | - Naoki Tsunoda
- Laboratory for Materials and Structures, Institute of Innovative Research , Tokyo Institute of Technology , Yokohama 226-8503 , Japan
| | - Yu Kumagai
- Laboratory for Materials and Structures, Institute of Innovative Research , Tokyo Institute of Technology , Yokohama 226-8503 , Japan
| | - Fumiyasu Oba
- Laboratory for Materials and Structures, Institute of Innovative Research , Tokyo Institute of Technology , Yokohama 226-8503 , Japan
| | - Yoshio Katsuya
- Synchrotron X-ray Station at SPring-8 , National Institute for Materials Science , Kouto 1-1-1 , Sayo-cho 679-5148 , Hyogo , Japan
| | - Masahiko Tanaka
- Synchrotron X-ray Station at SPring-8 , National Institute for Materials Science , Kouto 1-1-1 , Sayo-cho 679-5148 , Hyogo , Japan
| | - Kazunari Yamaura
- Research Center for Functional Materials , National Institute for Materials Science , Namiki 1-1 , Tsukuba 305-0044 , Ibaraki , Japan.,Graduate School of Chemical Sciences and Engineering , Hokkaido University , North 10 West 8, Kita-ku , Sapporo, Hokkaido 060-0810 , Japan
| | - Alexei A Belik
- Research Center for Functional Materials , National Institute for Materials Science , Namiki 1-1 , Tsukuba 305-0044 , Ibaraki , Japan
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12
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Belik AA, Zhang L, Liu R, Khalyavin DD, Katsuya Y, Tanaka M, Yamaura K. Valence Variations by B-Site Doping in A-Site Columnar-Ordered Quadruple Perovskites Sm 2MnMn(Mn 4- xTi x)O 12 with 1 ≤ x ≤ 3. Inorg Chem 2019; 58:3492-3501. [PMID: 30768249 DOI: 10.1021/acs.inorgchem.9b00049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Sm2MnMn(Mn4- xTi x)O12 with 1 ≤ x ≤ 3 were prepared by a high-pressure, high-temperature method at 6 GPa and about 1570-1670 K. They belong to a family of A-site columnar-ordered quadruple perovskites A2A'A″B4O12, where A' is a site with a square-planar coordination and A″ is a site with a tetrahedral coordination. Their crystal structures were investigated using synchrotron X-ray and neutron powder diffraction. They crystallize in space group P42/ nmc (No. 137) with a = 7.41172 Å and c = 7.97131 Å for x = 1, a = 7.54945 Å and c = 7.76756 Å for x = 2, and a = 7.63949 Å and c = 7.70339 Å for x = 3 at 295 K. The determined charge and cation distributions are [Sm3+1.88Mn2+0.12]A[Mn3+]A'[Mn2+0.88Sm3+0.12]A″[Mn3+3Ti4+]BO12 for x = 1, [Sm3+1.91Mn2+0.09]A[Mn2+]A'[Mn2+0.91Sm3+0.09]A″[Mn3+2Ti4+2]BO12 for x = 2, and [Sm3+1.88Mn2+0.12]A[Mn2+0.88Sm3+0.12]A'[Mn2+]A″[Mn2+Ti4+3]BO12 for x = 3. Mn and Ti are distributed randomly in one B site in all compounds with the average oxidation state changing from +3.25 to +3.5 per one B atom, and such flexibility is realized because Mn at the A' site can change its oxidation state between +2 and +3. Sm and Mn are slightly disordered between the A and A″ sites for x = 1 and 2, and between the A and A' sites for x = 3. The x = 1 sample shows spin-canted antiferromagnetic properties with TN = 27 K, and the x = 2 sample, with TN = 62 K. On the other hand, the x = 3 sample is a ferrimagnet, confirmed by neutron diffraction, with TC = 40 K. The x = 3 sample shows relaxor-like dielectric properties below 220 K.
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Affiliation(s)
- Alexei A Belik
- Research Center for Functional Materials , National Institute for Materials Science (NIMS) , Namiki 1-1 , Tsukuba , Ibaraki 305-0044 , Japan
| | - Lei Zhang
- Research Center for Functional Materials , National Institute for Materials Science (NIMS) , Namiki 1-1 , Tsukuba , Ibaraki 305-0044 , Japan.,Graduate School of Chemical Sciences and Engineering , Hokkaido University , North 10 West 8, Kita-ku , Sapporo , Hokkaido 060-0810 , Japan
| | - Ran Liu
- Research Center for Functional Materials , National Institute for Materials Science (NIMS) , Namiki 1-1 , Tsukuba , Ibaraki 305-0044 , Japan.,Graduate School of Chemical Sciences and Engineering , Hokkaido University , North 10 West 8, Kita-ku , Sapporo , Hokkaido 060-0810 , Japan
| | - Dmitry D Khalyavin
- ISIS Facility , Rutherford Appleton Laboratory , Chilton, Didcot OX11 0QX , United Kingdom
| | - Yoshio Katsuya
- Synchrotron X-ray Station at SPring-8 , NIMS , Kouto 1-1-1 , Sayo-cho , Hyogo 679-5148 , Japan
| | - Masahiko Tanaka
- Synchrotron X-ray Station at SPring-8 , NIMS , Kouto 1-1-1 , Sayo-cho , Hyogo 679-5148 , Japan
| | - Kazunari Yamaura
- Research Center for Functional Materials , National Institute for Materials Science (NIMS) , Namiki 1-1 , Tsukuba , Ibaraki 305-0044 , Japan.,Graduate School of Chemical Sciences and Engineering , Hokkaido University , North 10 West 8, Kita-ku , Sapporo , Hokkaido 060-0810 , Japan
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13
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Talanov MV. Group-theoretical analysis of 1:3 A-site-ordered perovskite formation. ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES 2019; 75:379-397. [PMID: 30821271 PMCID: PMC6396403 DOI: 10.1107/s2053273318018338] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 12/26/2018] [Indexed: 11/11/2022]
Abstract
The quadruple perovskites AA'3B4X12 are characterized by an extremely wide variety of intriguing physical properties, which makes them attractive candidates for various applications. Using group-theoretical analysis, possible 1:3 A-site-ordered low-symmetry phases have been found. They can be formed from a parent Pm{\bar 3}m perovskite structure (archetype) as a result of real or hypothetical (virtual) phase transitions due to different structural mechanisms (orderings and displacements of atoms, tilts of octahedra). For each type of low-symmetry phase, the full set of order parameters (proper and improper order parameters), the calculated structure, including the space group, the primitive cell multiplication, splitting of the Wyckoff positions and the structural formula were determined. All ordered phases were classified according to the irreducible representations of the space group of the parent phase (archetype) and systematized according to the types of structural mechanisms responsible for their formation. Special attention is paid to the structural mechanisms of formation of the low-symmetry phase of the compounds known from experimental data, such as: CaCu3Ti4O12, CaCu3Ga2Sn2O12, CaMn3Mn4O12, Ce1/2Cu3Ti4O12, LaMn3Mn4O12, BiMn3Mn4O12 and others. For the first time, the phenomenon of variability in the choice of the proper order parameters, which allows one to obtain the same structure by different group-theoretical paths, is established. This phenomenon emphasizes the fundamental importance of considering the full set of order parameters in describing phase transitions. Possible transition paths from the archetype with space group Pm{\bar 3}m to all 1:3 A-site-ordered perovskites are illustrated using the Bärnighausen tree formalism. These results may be used to identify new phases and interpret experimental results, determine the structural mechanisms responsible for the formation of low-symmetry phases as well as to understand the structural genesis of the perovskite-like phases. The obtained non-model group-theoretical results in combination with crystal chemical data and first-principles calculations may be a starting point for the design of new functional materials with a perovskite structure.
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14
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Belik AA. Rise of A-site columnar-ordered A 2A'A''B 4O 12 quadruple perovskites with intrinsic triple order. Dalton Trans 2018; 47:3209-3217. [PMID: 29384532 DOI: 10.1039/c7dt04490a] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A-site-ordered AA'3B4O12 quadruple perovskites (with twelve-fold coordinated A and square-planar coordinated A' sites) were discovered in 1967. Since then, there have been considerable research efforts to synthesize and characterize new members of such perovskites. These efforts have led to the discoveries of many interesting physical and chemical properties, such as inter-site charge transfer and disproportionation, giant dielectric constant, multiferroic properties, reentrant structural transitions and high catalytic activity. The first member of A-site columnar-ordered A2A'A''B4O12 quadruple perovskites (with ten-fold coordinated A, square-planar coordinated A' and tetrahedrally coordinated A'' sites), CaFeTi2O6, was discovered in 1995, and for 19 years it was the only representative of this family. In the last few years, A2A'A''B4O12 perovskites have experienced rapid growth. Herein, we present a brief overview of the recent developments in this field and highlight an under-investigated status and great potential of A2A'A''B4O12, which can be prepared mainly at high pressure and high temperature. The presence of the A'' site gives an additional degree of freedom in designing such perovskites. The A2A'A''B4O12 perovskites are discussed in comparison with well-known AA'3B4O12 perovskites.
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Affiliation(s)
- Alexei A Belik
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan.
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15
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Pal K, Dey A, Ray PP, Mordvinova NE, Lebedev OI, Mandal TK, Seikh MM, Gayen A. Synthesis, Characterization and Catalytic Activity of Quadruple Perovskite: CaCu3-x
Mn
x
Ti4-x
Mn
x
O12
(x
=0, 0.5 and 1.0). ChemistrySelect 2018. [DOI: 10.1002/slct.201703034] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kamalesh Pal
- Department of Chemistry; Jadavpur University; Kolkata- 700032 India
| | - Arka Dey
- Department of Physics; Jadavpur University; Kolkata- 700032 India
| | - Partha P. Ray
- Department of Physics; Jadavpur University; Kolkata- 700032 India
| | | | - Oleg I. Lebedev
- Laboratoire CRISMAT, UMR 6508; CNRS-ENSICAEN; Caen 14050 France
| | - Tapas K. Mandal
- Department of Chemistry & Centre of Nanotechnology; Indian Institute of Technology Roorkee; Roorkee- 247667 India
| | - Md Motin Seikh
- Department of Chemistry; Visva-Bharati University; Santiniketan, West Bengal- 731235 India
| | - Arup Gayen
- Department of Chemistry; Jadavpur University; Kolkata- 700032 India
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16
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Belik AA, Matsushita Y, Kumagai Y, Katsuya Y, Tanaka M, Stefanovich SY, Lazoryak BI, Oba F, Yamaura K. Complex Structural Behavior of BiMn7O12 Quadruple Perovskite. Inorg Chem 2017; 56:12272-12281. [DOI: 10.1021/acs.inorgchem.7b01723] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexei A. Belik
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305−0044, Japan
| | - Yoshitaka Matsushita
- Material Analysis Station, National Institute for Materials Science (NIMS), Sengen 1-2-1, Tsukuba, Ibaraki 305-0047, Japan
| | - Yu Kumagai
- Materials Research Center for Element Strategy, Tokyo Institute of Technology, Yokohama 226-8503, Japan
| | - Yoshio Katsuya
- Synchrotron X-ray Station at SPring-8, NIMS, Kouto 1-1-1, Sayo-cho, Hyogo 679-5148, Japan
| | - Masahiko Tanaka
- Synchrotron X-ray Station at SPring-8, NIMS, Kouto 1-1-1, Sayo-cho, Hyogo 679-5148, Japan
| | | | - Bogdan I. Lazoryak
- Department of Chemistry, Moscow State University, 119991, Moscow, Russia
| | - Fumiyasu Oba
- Laboratory for Materials and Structures, Institute of
Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan
| | - Kazunari Yamaura
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305−0044, Japan
- Graduate School of
Chemical Sciences and Engineering, Hokkaido University, North 10
West 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
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