Erbium-chromium substituted strontium hexaferrite particles: Characterization of the physical and Ku-band microwave absorption properties

[Display omitted] •SrErxCrxFe12−2xO19 nanoparticles prepared by sol-gel auto-combustion method.•The structural, magnetic and microwave absorption properties of samples are study.•HC, and Mr continuously decrease by increasing Er-Cr, while MS increases up to x = 0.2 and then decreases.•The maximum re...

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Veröffentlicht in:Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2020-12, Vol.262, p.114796, Article 114796
Hauptverfasser: Nikmanesh, Hossein, Hoghoghifard, Sedigheh, Hadi-Sichani, Behnaz, Moradi, Mahmood
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container_title Materials science & engineering. B, Solid-state materials for advanced technology
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Hoghoghifard, Sedigheh
Hadi-Sichani, Behnaz
Moradi, Mahmood
description [Display omitted] •SrErxCrxFe12−2xO19 nanoparticles prepared by sol-gel auto-combustion method.•The structural, magnetic and microwave absorption properties of samples are study.•HC, and Mr continuously decrease by increasing Er-Cr, while MS increases up to x = 0.2 and then decreases.•The maximum reflection loss of this samples is −34.71 dB at frequency of 14.86 GHz. A series of erbium-chromium substitution strontium hexaferrite particles with the nominal composition of SrErxCrxFe12-2xO19 was synthesized using the sol-gel auto-combustion method. The crystalline structure, magnetic and microwave absorption properties of the materials were investigated in detail. The TGA/DSC and XRD evaluations by the FULLPROF confirmed the successful substitution of Er and Al cations in the strontium hexaferrite lattice. Moreover, the VSM measurements confirmed that HC, and Mr continuousely decreased by increasing the erbium and chromium substitutions, while MS increases up to x = 0.2, followed by a reduction with the increased amount of the substitution. We also investigate the cause of the changes in the magnetic and microwave absorption properties through simultaneous substitution. The maximum reflection loss of −34.71 dB was observed in the SrEr0.5Cr0.5Fe11O19 sample with a bandwidth that covered the entire measured microwave frequency range of 12–18 GHz (Ku band). This finding suggested that x = 0.5 had effective absorbing characteristics, which is of great interests for the military radar in the Ku band.
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A series of erbium-chromium substitution strontium hexaferrite particles with the nominal composition of SrErxCrxFe12-2xO19 was synthesized using the sol-gel auto-combustion method. The crystalline structure, magnetic and microwave absorption properties of the materials were investigated in detail. The TGA/DSC and XRD evaluations by the FULLPROF confirmed the successful substitution of Er and Al cations in the strontium hexaferrite lattice. Moreover, the VSM measurements confirmed that HC, and Mr continuousely decreased by increasing the erbium and chromium substitutions, while MS increases up to x = 0.2, followed by a reduction with the increased amount of the substitution. We also investigate the cause of the changes in the magnetic and microwave absorption properties through simultaneous substitution. The maximum reflection loss of −34.71 dB was observed in the SrEr0.5Cr0.5Fe11O19 sample with a bandwidth that covered the entire measured microwave frequency range of 12–18 GHz (Ku band). This finding suggested that x = 0.5 had effective absorbing characteristics, which is of great interests for the military radar in the Ku band.</description><identifier>ISSN: 0921-5107</identifier><identifier>EISSN: 1873-4944</identifier><identifier>DOI: 10.1016/j.mseb.2020.114796</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Chromium ; Er-Cr substitution ; Erbium ; Frequency ranges ; Magnetic properties ; Microwave absorption ; Microwave frequencies ; Sol-gel auto-combustion method ; Sol-gel processes ; Strontium hexaferrite ; Structure and magnetic properties ; Substitutes ; Superhigh frequencies</subject><ispartof>Materials science &amp; engineering. 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B, Solid-state materials for advanced technology</title><description>[Display omitted] •SrErxCrxFe12−2xO19 nanoparticles prepared by sol-gel auto-combustion method.•The structural, magnetic and microwave absorption properties of samples are study.•HC, and Mr continuously decrease by increasing Er-Cr, while MS increases up to x = 0.2 and then decreases.•The maximum reflection loss of this samples is −34.71 dB at frequency of 14.86 GHz. A series of erbium-chromium substitution strontium hexaferrite particles with the nominal composition of SrErxCrxFe12-2xO19 was synthesized using the sol-gel auto-combustion method. The crystalline structure, magnetic and microwave absorption properties of the materials were investigated in detail. The TGA/DSC and XRD evaluations by the FULLPROF confirmed the successful substitution of Er and Al cations in the strontium hexaferrite lattice. Moreover, the VSM measurements confirmed that HC, and Mr continuousely decreased by increasing the erbium and chromium substitutions, while MS increases up to x = 0.2, followed by a reduction with the increased amount of the substitution. We also investigate the cause of the changes in the magnetic and microwave absorption properties through simultaneous substitution. The maximum reflection loss of −34.71 dB was observed in the SrEr0.5Cr0.5Fe11O19 sample with a bandwidth that covered the entire measured microwave frequency range of 12–18 GHz (Ku band). This finding suggested that x = 0.5 had effective absorbing characteristics, which is of great interests for the military radar in the Ku band.</description><subject>Chromium</subject><subject>Er-Cr substitution</subject><subject>Erbium</subject><subject>Frequency ranges</subject><subject>Magnetic properties</subject><subject>Microwave absorption</subject><subject>Microwave frequencies</subject><subject>Sol-gel auto-combustion method</subject><subject>Sol-gel processes</subject><subject>Strontium hexaferrite</subject><subject>Structure and magnetic properties</subject><subject>Substitutes</subject><subject>Superhigh frequencies</subject><issn>0921-5107</issn><issn>1873-4944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9UMuKFDEUDaJgO_oDrgKuq81NPSNupBkfOOBG1-EmuUWl6aqUSWp0_AP_2pTt2tW5XM6Lw9hLEEcQ0L0-H-dE5iiFLA9oetU9YgcY-rpqVNM8ZgehJFQtiP4pe5bSWQgBUsoD-30bjd_myk4xzOXgaTMp-7xlcjzlGJa8fyf6iSPF6DPxFWP29kLpDT9NGNFmiv4XZh8WHkaep0KZHpK3eOG4OP55q8yOs7cx_MB74mhSiOtfwRrDSsWP0nP2ZMRLohf_8IZ9e3_79fSxuvvy4dPp3V1laznkyilq2lqNarRQSxCEAkYwOAK1phuAnEUFqMhAr0QvHaJsnela4YZeOFHfsFdX3xL9faOU9TlscSmRWjZD1zaqHaCw5JVVOqcUadRr9DPGBw1C75Prs94n1_vk-jp5Eb29iqj0v_cUdbKeFkvOR7JZu-D_J_8DIdGOiQ</recordid><startdate>202012</startdate><enddate>202012</enddate><creator>Nikmanesh, Hossein</creator><creator>Hoghoghifard, Sedigheh</creator><creator>Hadi-Sichani, Behnaz</creator><creator>Moradi, Mahmood</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>202012</creationdate><title>Erbium-chromium substituted strontium hexaferrite particles: Characterization of the physical and Ku-band microwave absorption properties</title><author>Nikmanesh, Hossein ; Hoghoghifard, Sedigheh ; Hadi-Sichani, Behnaz ; Moradi, Mahmood</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-d9e4539f9fc13210ea01f1baf1e5b681edca91a9eb179072daa25db650d870d03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Chromium</topic><topic>Er-Cr substitution</topic><topic>Erbium</topic><topic>Frequency ranges</topic><topic>Magnetic properties</topic><topic>Microwave absorption</topic><topic>Microwave frequencies</topic><topic>Sol-gel auto-combustion method</topic><topic>Sol-gel processes</topic><topic>Strontium hexaferrite</topic><topic>Structure and magnetic properties</topic><topic>Substitutes</topic><topic>Superhigh frequencies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nikmanesh, Hossein</creatorcontrib><creatorcontrib>Hoghoghifard, Sedigheh</creatorcontrib><creatorcontrib>Hadi-Sichani, Behnaz</creatorcontrib><creatorcontrib>Moradi, Mahmood</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Materials science &amp; engineering. 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B, Solid-state materials for advanced technology</jtitle><date>2020-12</date><risdate>2020</risdate><volume>262</volume><spage>114796</spage><pages>114796-</pages><artnum>114796</artnum><issn>0921-5107</issn><eissn>1873-4944</eissn><abstract>[Display omitted] •SrErxCrxFe12−2xO19 nanoparticles prepared by sol-gel auto-combustion method.•The structural, magnetic and microwave absorption properties of samples are study.•HC, and Mr continuously decrease by increasing Er-Cr, while MS increases up to x = 0.2 and then decreases.•The maximum reflection loss of this samples is −34.71 dB at frequency of 14.86 GHz. A series of erbium-chromium substitution strontium hexaferrite particles with the nominal composition of SrErxCrxFe12-2xO19 was synthesized using the sol-gel auto-combustion method. The crystalline structure, magnetic and microwave absorption properties of the materials were investigated in detail. The TGA/DSC and XRD evaluations by the FULLPROF confirmed the successful substitution of Er and Al cations in the strontium hexaferrite lattice. Moreover, the VSM measurements confirmed that HC, and Mr continuousely decreased by increasing the erbium and chromium substitutions, while MS increases up to x = 0.2, followed by a reduction with the increased amount of the substitution. We also investigate the cause of the changes in the magnetic and microwave absorption properties through simultaneous substitution. The maximum reflection loss of −34.71 dB was observed in the SrEr0.5Cr0.5Fe11O19 sample with a bandwidth that covered the entire measured microwave frequency range of 12–18 GHz (Ku band). This finding suggested that x = 0.5 had effective absorbing characteristics, which is of great interests for the military radar in the Ku band.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.mseb.2020.114796</doi></addata></record>
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subjects Chromium
Er-Cr substitution
Erbium
Frequency ranges
Magnetic properties
Microwave absorption
Microwave frequencies
Sol-gel auto-combustion method
Sol-gel processes
Strontium hexaferrite
Structure and magnetic properties
Substitutes
Superhigh frequencies
title Erbium-chromium substituted strontium hexaferrite particles: Characterization of the physical and Ku-band microwave absorption properties
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