Cold Sintering Isomagnetic Dielectric NaCl-Nickel Zinc Ferrite Composite Ceramics
In this study, dense composites of xNaCl-(1−x)Ni<sub>0.5</sub>Zn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub> (referred to as NaCl-NZO) and xH<sub>3</sub>BO<sub>3</sub>-(0.8−x)Ni<sub>0.5</sub>Zn<sub>0.5</sub>...
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MDPI AG
2023-07-01
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| Series: | Crystals |
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| Online Access: | https://www.mdpi.com/2073-4352/13/7/1140 |
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| author | Jiuyuan Han Mengjiao Chi Liu Yang Bing Liu Minmin Mao Hadi Barzegar Bafrooei Zhongyan Ma Yingjie Ren Feng Shi Ehsan Taheri-Nassaj Dawei Wang Kaixin Song |
| author_facet | Jiuyuan Han Mengjiao Chi Liu Yang Bing Liu Minmin Mao Hadi Barzegar Bafrooei Zhongyan Ma Yingjie Ren Feng Shi Ehsan Taheri-Nassaj Dawei Wang Kaixin Song |
| author_sort | Jiuyuan Han |
| collection | DOAJ |
| description | In this study, dense composites of xNaCl-(1−x)Ni<sub>0.5</sub>Zn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub> (referred to as NaCl-NZO) and xH<sub>3</sub>BO<sub>3</sub>-(0.8−x)Ni<sub>0.5</sub>Zn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub>-0.2NaCl (referred to as HB-NZO-NaCl) were prepared using the cold sintering process. The objective was to investigate the cold sintering procedure for fabricating ferrite composite ceramics with comparable permeability and dielectric constants suitable for radio-frequency electronic device applications. Optimal cold sintering conditions were determined as 200 °C/30 min/500 MPa with a relative density of 95% for NaCl-NZO and 120 °C/30 min/300 MPa with a relative density of 95.4% for HB-NZO-NaCl. X-ray diffraction and scanning electron microscope analyses confirmed the absence of secondary phases. The resulting composite ceramics showed promising characteristics, with the 0.5NaCl-0.5NZO composition exhibiting a dielectric constant of 6.2 @ 100 MHz, dielectric loss of 0.02 @ 100 MHz, permeability of 2.5 @ 100 MHz, and magnetic loss of 0.001 @ 100 MHz. Similarly, the 0.3HB-0.5NZO-0.2NaCl composition displayed a dielectric constant of 5.9 @ 100 MHz, dielectric loss of 0.02 @ 100 MHz, permeability of 5.1 @ 100 MHz, and magnetic loss of 5 × 10<sup>−4</sup> @ 100 MHz. These findings indicate potential applications in wireless communication. |
| first_indexed | 2024-03-11T01:10:20Z |
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| id | doaj.art-05ee6c7b5a5646419ca26e05276d876d |
| institution | Directory Open Access Journal |
| issn | 2073-4352 |
| language | English |
| last_indexed | 2024-03-11T01:10:20Z |
| publishDate | 2023-07-01 |
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| record_format | Article |
| series | Crystals |
| spelling | doaj.art-05ee6c7b5a5646419ca26e05276d876d2023-11-18T18:55:04ZengMDPI AGCrystals2073-43522023-07-01137114010.3390/cryst13071140Cold Sintering Isomagnetic Dielectric NaCl-Nickel Zinc Ferrite Composite CeramicsJiuyuan Han0Mengjiao Chi1Liu Yang2Bing Liu3Minmin Mao4Hadi Barzegar Bafrooei5Zhongyan Ma6Yingjie Ren7Feng Shi8Ehsan Taheri-Nassaj9Dawei Wang10Kaixin Song11College of Electronics Information, Hangzhou Dianzi University, Hangzhou 310018, ChinaCollege of Electronics Information, Hangzhou Dianzi University, Hangzhou 310018, ChinaCollege of Electronics Information, Hangzhou Dianzi University, Hangzhou 310018, ChinaCollege of Electronics Information, Hangzhou Dianzi University, Hangzhou 310018, ChinaCollege of Electronics Information, Hangzhou Dianzi University, Hangzhou 310018, ChinaCollege of Electronics Information, Hangzhou Dianzi University, Hangzhou 310018, ChinaInstitute of Communication Materials, Zhejiang Wazam New Materials Co., Ltd., Hangzhou 311121, ChinaInstitute of Communication Materials, Zhejiang Wazam New Materials Co., Ltd., Hangzhou 311121, ChinaSchool of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, ChinaDepartment of Materials Engineering, Faculty of Engineering, Tarbiat Modares University, Tehran 14115-143, IranFunctional Materials and Acousto-Optic Instruments Institute, School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150080, ChinaCollege of Electronics Information, Hangzhou Dianzi University, Hangzhou 310018, ChinaIn this study, dense composites of xNaCl-(1−x)Ni<sub>0.5</sub>Zn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub> (referred to as NaCl-NZO) and xH<sub>3</sub>BO<sub>3</sub>-(0.8−x)Ni<sub>0.5</sub>Zn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub>-0.2NaCl (referred to as HB-NZO-NaCl) were prepared using the cold sintering process. The objective was to investigate the cold sintering procedure for fabricating ferrite composite ceramics with comparable permeability and dielectric constants suitable for radio-frequency electronic device applications. Optimal cold sintering conditions were determined as 200 °C/30 min/500 MPa with a relative density of 95% for NaCl-NZO and 120 °C/30 min/300 MPa with a relative density of 95.4% for HB-NZO-NaCl. X-ray diffraction and scanning electron microscope analyses confirmed the absence of secondary phases. The resulting composite ceramics showed promising characteristics, with the 0.5NaCl-0.5NZO composition exhibiting a dielectric constant of 6.2 @ 100 MHz, dielectric loss of 0.02 @ 100 MHz, permeability of 2.5 @ 100 MHz, and magnetic loss of 0.001 @ 100 MHz. Similarly, the 0.3HB-0.5NZO-0.2NaCl composition displayed a dielectric constant of 5.9 @ 100 MHz, dielectric loss of 0.02 @ 100 MHz, permeability of 5.1 @ 100 MHz, and magnetic loss of 5 × 10<sup>−4</sup> @ 100 MHz. These findings indicate potential applications in wireless communication.https://www.mdpi.com/2073-4352/13/7/1140cold sinteringmagnetic–dielectric materialsferritedielectric constant |
| spellingShingle | Jiuyuan Han Mengjiao Chi Liu Yang Bing Liu Minmin Mao Hadi Barzegar Bafrooei Zhongyan Ma Yingjie Ren Feng Shi Ehsan Taheri-Nassaj Dawei Wang Kaixin Song Cold Sintering Isomagnetic Dielectric NaCl-Nickel Zinc Ferrite Composite Ceramics Crystals cold sintering magnetic–dielectric materials ferrite dielectric constant |
| title | Cold Sintering Isomagnetic Dielectric NaCl-Nickel Zinc Ferrite Composite Ceramics |
| title_full | Cold Sintering Isomagnetic Dielectric NaCl-Nickel Zinc Ferrite Composite Ceramics |
| title_fullStr | Cold Sintering Isomagnetic Dielectric NaCl-Nickel Zinc Ferrite Composite Ceramics |
| title_full_unstemmed | Cold Sintering Isomagnetic Dielectric NaCl-Nickel Zinc Ferrite Composite Ceramics |
| title_short | Cold Sintering Isomagnetic Dielectric NaCl-Nickel Zinc Ferrite Composite Ceramics |
| title_sort | cold sintering isomagnetic dielectric nacl nickel zinc ferrite composite ceramics |
| topic | cold sintering magnetic–dielectric materials ferrite dielectric constant |
| url | https://www.mdpi.com/2073-4352/13/7/1140 |
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