Zipeng Huang, Jianli Qiao, Wenxiao Jia, Lingxia Li
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The effects of added H<sub>3</sub>BO<sub>3</sub> on the sintering behavior, microstructural characteristics, vibrational properties, and microwave dielectric performances of Zn<sub>0.997</sub>Cu<sub>0.003</sub>ZrNb<sub>2</sub>O<sub>8</sub> + <i>x</i> wt% H<sub>3</sub>BO<sub>3</sub> (2 <span></span><math>\n <semantics>\n <mo>≤</mo>\n <annotation>$ \\le $</annotation>\n </semantics></math> <i>x</i> <span></span><math>\n <semantics>\n <mo>≤</mo>\n <annotation>$ \\le $</annotation>\n </semantics></math> 8) ceramics have been systematically investigated by means of X-ray diffraction, Raman scattering spectroscopy, scanning electron microscopy, and complex chemical bond theory. The results of relative density and microscopic morphology demonstrated that the application of an adequate quantity of H<sub>3</sub>BO<sub>3</sub> additive can significantly enhance sintering properties. The doped H<sub>3</sub>BO<sub>3</sub> alters the inter-ionic interactions so that the structural features become intrinsic to the microwave dielectric performances. The particularly satisfactory microwave dielectric performances (<span></span><math>\n <semantics>\n <msub>\n <mi>ε</mi>\n <mi>r</mi>\n </msub>\n <annotation>${\\varepsilon }_r$</annotation>\n </semantics></math> = 10.61, <span></span><math>\n <semantics>\n <mrow>\n <mi>Q</mi>\n <mo>×</mo>\n <mi>f</mi>\n </mrow>\n <annotation>$ Q \\times f $</annotation>\n </semantics></math> = 33 980 GHz, and <span></span><math>\n <semantics>\n <msub>\n <mi>τ</mi>\n <mi>f</mi>\n </msub>\n <annotation>${\\tau }_f$</annotation>\n </semantics></math> = -45.10 ppm/°C) were detected in <i>x</i> = 6 ceramic specimens sintered at 950°C, which would make it promising for use in modern low temperature co-fired ceramics technology.</p>","PeriodicalId":200,"journal":{"name":"Journal of the American Ceramic Society","volume":"108 1","pages":""},"PeriodicalIF":3.5000,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Low-dielectric-loss ZnZrNb2O8 ceramics combined with H3BO3 for low-temperature co-fired ceramics applications\",\"authors\":\"Zipeng Huang, Jianli Qiao, Wenxiao Jia, Lingxia Li\",\"doi\":\"10.1111/jace.20161\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>H<sub>3</sub>BO<sub>3</sub> was used as the sintering additive to enable Zn<sub>0.997</sub>Cu<sub>0.003</sub>ZrNb<sub>2</sub>O<sub>8</sub> ceramics to accomplish low-temperature sintering and outstanding microwave dielectric performances. Composite ceramics were created using typical solid-state processes. The effects of added H<sub>3</sub>BO<sub>3</sub> on the sintering behavior, microstructural characteristics, vibrational properties, and microwave dielectric performances of Zn<sub>0.997</sub>Cu<sub>0.003</sub>ZrNb<sub>2</sub>O<sub>8</sub> + <i>x</i> wt% H<sub>3</sub>BO<sub>3</sub> (2 <span></span><math>\\n <semantics>\\n <mo>≤</mo>\\n <annotation>$ \\\\le $</annotation>\\n </semantics></math> <i>x</i> <span></span><math>\\n <semantics>\\n <mo>≤</mo>\\n <annotation>$ \\\\le $</annotation>\\n </semantics></math> 8) ceramics have been systematically investigated by means of X-ray diffraction, Raman scattering spectroscopy, scanning electron microscopy, and complex chemical bond theory. The results of relative density and microscopic morphology demonstrated that the application of an adequate quantity of H<sub>3</sub>BO<sub>3</sub> additive can significantly enhance sintering properties. The doped H<sub>3</sub>BO<sub>3</sub> alters the inter-ionic interactions so that the structural features become intrinsic to the microwave dielectric performances. The particularly satisfactory microwave dielectric performances (<span></span><math>\\n <semantics>\\n <msub>\\n <mi>ε</mi>\\n <mi>r</mi>\\n </msub>\\n <annotation>${\\\\varepsilon }_r$</annotation>\\n </semantics></math> = 10.61, <span></span><math>\\n <semantics>\\n <mrow>\\n <mi>Q</mi>\\n <mo>×</mo>\\n <mi>f</mi>\\n </mrow>\\n <annotation>$ Q \\\\times f $</annotation>\\n </semantics></math> = 33 980 GHz, and <span></span><math>\\n <semantics>\\n <msub>\\n <mi>τ</mi>\\n <mi>f</mi>\\n </msub>\\n <annotation>${\\\\tau }_f$</annotation>\\n </semantics></math> = -45.10 ppm/°C) were detected in <i>x</i> = 6 ceramic specimens sintered at 950°C, which would make it promising for use in modern low temperature co-fired ceramics technology.</p>\",\"PeriodicalId\":200,\"journal\":{\"name\":\"Journal of the American Ceramic Society\",\"volume\":\"108 1\",\"pages\":\"\"},\"PeriodicalIF\":3.5000,\"publicationDate\":\"2024-09-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the American Ceramic Society\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/jace.20161\",\"RegionNum\":3,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, CERAMICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the American Ceramic Society","FirstCategoryId":"88","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/jace.20161","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}
引用次数: 0
摘要
使用 H3BO3 作为烧结添加剂，可使 Zn0.997Cu0.003ZrNb2O8 陶瓷实现低温烧结并具有出色的微波介电性能。复合陶瓷是用典型的固态工艺制作的。通过X射线衍射、拉曼散射光谱、扫描电子显微镜和复合化学键理论，系统研究了添加H3BO3对Zn0.997Cu0.003ZrNb2O8 + x wt% H3BO3（2 ≤ $ \le $ x ≤ $ \le $ 8）陶瓷的烧结行为、微观结构特征、振动特性和微波介电性能的影响。相对密度和微观形貌的研究结果表明，加入适量的 H3BO3 添加剂可显著提高烧结性能。掺杂的 H3BO3 改变了离子间的相互作用，使结构特征成为微波介电性能的内在因素。在 950°C 下烧结的 x = 6 陶瓷试样中检测到了特别令人满意的微波介电性能（ε r ${varepsilon }_r$ = 10.61，Q × f $ Q \times f $ = 33 980 GHz，τ f ${\tau }_f$ = -45.10 ppm/°C），使其有望用于现代低温共烧陶瓷技术。
Low-dielectric-loss ZnZrNb2O8 ceramics combined with H3BO3 for low-temperature co-fired ceramics applications
H3BO3 was used as the sintering additive to enable Zn0.997Cu0.003ZrNb2O8 ceramics to accomplish low-temperature sintering and outstanding microwave dielectric performances. Composite ceramics were created using typical solid-state processes. The effects of added H3BO3 on the sintering behavior, microstructural characteristics, vibrational properties, and microwave dielectric performances of Zn0.997Cu0.003ZrNb2O8 + x wt% H3BO3 (2 x 8) ceramics have been systematically investigated by means of X-ray diffraction, Raman scattering spectroscopy, scanning electron microscopy, and complex chemical bond theory. The results of relative density and microscopic morphology demonstrated that the application of an adequate quantity of H3BO3 additive can significantly enhance sintering properties. The doped H3BO3 alters the inter-ionic interactions so that the structural features become intrinsic to the microwave dielectric performances. The particularly satisfactory microwave dielectric performances ( = 10.61, = 33 980 GHz, and = -45.10 ppm/°C) were detected in x = 6 ceramic specimens sintered at 950°C, which would make it promising for use in modern low temperature co-fired ceramics technology.
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The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials.
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