{"title":"Mn2+和Zr4+共取代Zn-Co尖晶石铁氧体作为Ku (12.4-18 GHz)和K (18-26.5 GHz)频段吸波材料的比较研究","authors":"Mandeep Kaur, Shalini Bahel","doi":"10.1007/s10832-023-00341-x","DOIUrl":null,"url":null,"abstract":"<div><p>The present research work aims to address the rising demand for microwave-absorbing materials (MAMs) due to the relentless growth of detrimental electromagnetic wave pollution. Herein, the absorption behavior of manganese-zirconium co-substituted zinc-cobalt spinel ferrites with chemical composition Zn<sub>0.25</sub>Co<sub>0.75</sub>(MnZr)<sub>x</sub>Fe<sub>2−2x</sub>O<sub>4</sub> (0.05 ≤ x ≤ 0.25, ∆x = 0.05) were investigated in the Ku (12.4–18 GHz) and K (18-26.5 GHz) frequency bands. Samples of Mn-Zr-Zn-Co ferrites were successfully synthesized via the sol-gel citrate route with sintering at a temperature of 1000 °C for 6 h. Fourier transform infrared spectroscopy (FT-IR) confirmed the presence of two vibrational peaks in the spinel lattice structure. The complex dielectric permittivity and complex magnetic permeability were measured using a vector network analyzer (VNA). The composition MZ 0.15 outperformed all the prepared compositions by exhibiting a minimum reflection loss of -34.55 dB at a matching frequency of 15.09 GHz and a matching thickness of 2.7 mm in Ku-band and a reflection loss as low as -30.40 dB at a matching frequency of 25.48 GHz and a matching thickness of 1.5 mm in K-band. The obtained results indicate that the fabricated specimens have the potential for designing efficient microwave-absorbing materials in the Ku and K frequency bands.</p></div>","PeriodicalId":625,"journal":{"name":"Journal of Electroceramics","volume":"52 1","pages":"29 - 41"},"PeriodicalIF":1.7000,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Comparative study of Mn2+ and Zr4+ co-substituted Zn-Co spinel ferrites as microwave absorbing materials in Ku (12.4–18 GHz) and K (18-26.5 GHz) frequency bands\",\"authors\":\"Mandeep Kaur, Shalini Bahel\",\"doi\":\"10.1007/s10832-023-00341-x\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The present research work aims to address the rising demand for microwave-absorbing materials (MAMs) due to the relentless growth of detrimental electromagnetic wave pollution. Herein, the absorption behavior of manganese-zirconium co-substituted zinc-cobalt spinel ferrites with chemical composition Zn<sub>0.25</sub>Co<sub>0.75</sub>(MnZr)<sub>x</sub>Fe<sub>2−2x</sub>O<sub>4</sub> (0.05 ≤ x ≤ 0.25, ∆x = 0.05) were investigated in the Ku (12.4–18 GHz) and K (18-26.5 GHz) frequency bands. Samples of Mn-Zr-Zn-Co ferrites were successfully synthesized via the sol-gel citrate route with sintering at a temperature of 1000 °C for 6 h. Fourier transform infrared spectroscopy (FT-IR) confirmed the presence of two vibrational peaks in the spinel lattice structure. The complex dielectric permittivity and complex magnetic permeability were measured using a vector network analyzer (VNA). The composition MZ 0.15 outperformed all the prepared compositions by exhibiting a minimum reflection loss of -34.55 dB at a matching frequency of 15.09 GHz and a matching thickness of 2.7 mm in Ku-band and a reflection loss as low as -30.40 dB at a matching frequency of 25.48 GHz and a matching thickness of 1.5 mm in K-band. The obtained results indicate that the fabricated specimens have the potential for designing efficient microwave-absorbing materials in the Ku and K frequency bands.</p></div>\",\"PeriodicalId\":625,\"journal\":{\"name\":\"Journal of Electroceramics\",\"volume\":\"52 1\",\"pages\":\"29 - 41\"},\"PeriodicalIF\":1.7000,\"publicationDate\":\"2023-11-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Electroceramics\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s10832-023-00341-x\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, CERAMICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Electroceramics","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s10832-023-00341-x","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}
Comparative study of Mn2+ and Zr4+ co-substituted Zn-Co spinel ferrites as microwave absorbing materials in Ku (12.4–18 GHz) and K (18-26.5 GHz) frequency bands
The present research work aims to address the rising demand for microwave-absorbing materials (MAMs) due to the relentless growth of detrimental electromagnetic wave pollution. Herein, the absorption behavior of manganese-zirconium co-substituted zinc-cobalt spinel ferrites with chemical composition Zn0.25Co0.75(MnZr)xFe2−2xO4 (0.05 ≤ x ≤ 0.25, ∆x = 0.05) were investigated in the Ku (12.4–18 GHz) and K (18-26.5 GHz) frequency bands. Samples of Mn-Zr-Zn-Co ferrites were successfully synthesized via the sol-gel citrate route with sintering at a temperature of 1000 °C for 6 h. Fourier transform infrared spectroscopy (FT-IR) confirmed the presence of two vibrational peaks in the spinel lattice structure. The complex dielectric permittivity and complex magnetic permeability were measured using a vector network analyzer (VNA). The composition MZ 0.15 outperformed all the prepared compositions by exhibiting a minimum reflection loss of -34.55 dB at a matching frequency of 15.09 GHz and a matching thickness of 2.7 mm in Ku-band and a reflection loss as low as -30.40 dB at a matching frequency of 25.48 GHz and a matching thickness of 1.5 mm in K-band. The obtained results indicate that the fabricated specimens have the potential for designing efficient microwave-absorbing materials in the Ku and K frequency bands.
期刊介绍：
While ceramics have traditionally been admired for their mechanical, chemical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy conversion and storage, electronics and automation. Electroceramics benefit greatly from their versatility in properties including:
-insulating to metallic and fast ion conductivity
-piezo-, ferro-, and pyro-electricity
-electro- and nonlinear optical properties
-feromagnetism.
When combined with thermal, mechanical, and chemical stability, these properties often render them the materials of choice.
The Journal of Electroceramics is dedicated to providing a forum of discussion cutting across issues in electrical, optical, and magnetic ceramics. Driven by the need for miniaturization, cost, and enhanced functionality, the field of electroceramics is growing rapidly in many new directions. The Journal encourages discussions of resultant trends concerning silicon-electroceramic integration, nanotechnology, ceramic-polymer composites, grain boundary and defect engineering, etc.
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