A new-type electro-optic crystal: K3Nb3B2O12
Electro-optical materials are crucial for lasers and modulators applications. Perovskite ferroelectric crystals, characterized by oxygen octahedrons and superior dipole migration capabilities, are recognized for their high electro-optic coefficients. However, the application of perovskite ferroelect...
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Elsevier
2025-09-01
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| Loạt: | Journal of Materiomics |
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| Truy cập trực tuyến: | http://www.sciencedirect.com/science/article/pii/S2352847824002302 |
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| _version_ | 1839648382386176000 |
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| author | Lingfei Lv Xiaoming Yang Hongjiang Wu Rongbing Su Zujian Wang Bin Su Pai Shan Bingxuan Li Xifa Long Ge Zhang Feng Xu Chao He |
| author_facet | Lingfei Lv Xiaoming Yang Hongjiang Wu Rongbing Su Zujian Wang Bin Su Pai Shan Bingxuan Li Xifa Long Ge Zhang Feng Xu Chao He |
| author_sort | Lingfei Lv |
| collection | DOAJ |
| description | Electro-optical materials are crucial for lasers and modulators applications. Perovskite ferroelectric crystals, characterized by oxygen octahedrons and superior dipole migration capabilities, are recognized for their high electro-optic coefficients. However, the application of perovskite ferroelectric crystals is often limited by reduced optical transparency, which results from light scattering and reflection at domain walls. In this study, we implemented a structure dimensionality reduction strategy to successfully transform a three-dimensional structure KNbO3 (KNO) crystal into a quasi-two-dimensional layered structure K3Nb3B2O12 (KNBO) crystal through BO3 planar groups. This modification restricts the mobility of B-site ions within the layers while preserving significant spontaneous polarization along the interlayer direction, thus converting multipolar axis into a unipolar axis in the ferroelectric. This alteration in the direction of spontaneous polarization modifies the domain structure, thereby minimizing the scattering effects of the domain walls. As a result, the KNBO crystal exhibits a large effective electro-optic (EO) coefficient of 50.14 pm/V and a high transmittance exceeding 80% in the 330–2500 nm wavelength range. These properties surpass those of currently available commercial EO crystals. This research establishes a model for enhancing transparency and EO coefficient through structural design, offering potential applications to other EO crystals. |
| format | Article |
| id | doaj-art-e3d47d11ef11494ca7fbbfd3bf7e9a90 |
| institution | Matheson Library |
| issn | 2352-8478 |
| language | English |
| publishDate | 2025-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materiomics |
| spelling | doaj-art-e3d47d11ef11494ca7fbbfd3bf7e9a902025-06-29T04:52:20ZengElsevierJournal of Materiomics2352-84782025-09-01115100991A new-type electro-optic crystal: K3Nb3B2O12Lingfei Lv0Xiaoming Yang1Hongjiang Wu2Rongbing Su3Zujian Wang4Bin Su5Pai Shan6Bingxuan Li7Xifa Long8Ge Zhang9Feng Xu10Chao He11Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China; University of Chinese Academy of Sciences, Beijing, 100049, ChinaState Key Laboratory of Functional Materials and Devices for Special Environmental Conditions, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi, 830011, ChinaKey Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China; University of Chinese Academy of Sciences, Beijing, 100049, ChinaKey Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, ChinaKey Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, ChinaKey Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, ChinaSchool of Electronic Engineering, North China University of Water Resources and Electric Power, Zhengzhou, 450011, ChinaKey Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China; Corresponding author.State Key Laboratory of Functional Materials and Devices for Special Environmental Conditions, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi, 830011, ChinaKey Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, ChinaSchool of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China; Corresponding author.Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Corresponding author. Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China.Electro-optical materials are crucial for lasers and modulators applications. Perovskite ferroelectric crystals, characterized by oxygen octahedrons and superior dipole migration capabilities, are recognized for their high electro-optic coefficients. However, the application of perovskite ferroelectric crystals is often limited by reduced optical transparency, which results from light scattering and reflection at domain walls. In this study, we implemented a structure dimensionality reduction strategy to successfully transform a three-dimensional structure KNbO3 (KNO) crystal into a quasi-two-dimensional layered structure K3Nb3B2O12 (KNBO) crystal through BO3 planar groups. This modification restricts the mobility of B-site ions within the layers while preserving significant spontaneous polarization along the interlayer direction, thus converting multipolar axis into a unipolar axis in the ferroelectric. This alteration in the direction of spontaneous polarization modifies the domain structure, thereby minimizing the scattering effects of the domain walls. As a result, the KNBO crystal exhibits a large effective electro-optic (EO) coefficient of 50.14 pm/V and a high transmittance exceeding 80% in the 330–2500 nm wavelength range. These properties surpass those of currently available commercial EO crystals. This research establishes a model for enhancing transparency and EO coefficient through structural design, offering potential applications to other EO crystals.http://www.sciencedirect.com/science/article/pii/S2352847824002302ABO3Oxygen octahedronElectro-opticKNBO |
| spellingShingle | Lingfei Lv Xiaoming Yang Hongjiang Wu Rongbing Su Zujian Wang Bin Su Pai Shan Bingxuan Li Xifa Long Ge Zhang Feng Xu Chao He A new-type electro-optic crystal: K3Nb3B2O12 Journal of Materiomics ABO3 Oxygen octahedron Electro-optic KNBO |
| title | A new-type electro-optic crystal: K3Nb3B2O12 |
| title_full | A new-type electro-optic crystal: K3Nb3B2O12 |
| title_fullStr | A new-type electro-optic crystal: K3Nb3B2O12 |
| title_full_unstemmed | A new-type electro-optic crystal: K3Nb3B2O12 |
| title_short | A new-type electro-optic crystal: K3Nb3B2O12 |
| title_sort | new type electro optic crystal k3nb3b2o12 |
| topic | ABO3 Oxygen octahedron Electro-optic KNBO |
| url | http://www.sciencedirect.com/science/article/pii/S2352847824002302 |
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