A low-cost (Mg1-xCax)3B2O6 (0 ≤ x ≤ 1.0 mol.%) ceramic with enhanced microwave dielectric properties

被引：0
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作者：
Yong-jun Gu
Xing-hua Yang
Xian-bing Ding
Wei Hu
Qi-feng Wang
Jin-liang Huang
Qian Li
Li-hua Li
Xin-li Li
Min Chen
Bok-hee Kim
机构：
[1] Henan University of Science and Technology,School of Materials Science and Engineering
[2] Pingdingshan University,Henan Key Laboratory of Research for Central Plains Ancient Ceramics
[3] Henan Key Laboratory of Materials Science and Processing Technology for Non-Ferrous Metals,School of Materials Science and Energy Engineering
[4] Collaborative Innovation Center of Nonferrous Metals,Department of Electronic Materials Engineering
[5] Foshan University,undefined
[6] Chonbuk National University,undefined
来源：
Journal of Materials Science: Materials in Electronics | 2020年 / 31卷
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摘要：
A low-cost (Mg1-xCax)3B2O6 (0 ≤ x ≤ 1.0 mol.%) (MCxB) microwave dielectric ceramic was prepared by solid-state method. X-ray diffraction, scanning electron microscope, and vector network analyzer were adopted to characterize the phase composition, microstructure, and microwave dielectric properties of the as-fabricated MCxB ceramics. All the MCxB (x = 0–1.0 mol.%) ceramic samples exhibit the singe orthorhombic structure corresponding to Mg3B2O6 (JCPDS 75–1807). Excellent microwave dielectric properties (εr = 6.8, Q × f = 103,556 GHz, τf = − 34.5 ppm/°C at 12.6 GHz) were obtained in the MC0.002B (x = 0.2 mol.%) ceramic sintered at 1250 °C for 3 h, making it a prospective candidate for the practical application in portable terminal and wireless communications.
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页码：18289 / 18296
页数：7
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