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Dielectric properties of novel high-entropy (La0.2Li0.2Ba0.2Sr0.2Ca0.2)Nb2O6-δ tungsten bronze ceramics
Novel high-entropy (La 0.2 Li 0.2 Ba 0.2 Sr 0.2 Ca 0.2 )Nb 2 O 6-δ tungsten bronze ceramics, fabricated by conventional solid-state reaction, were first studied to reveal the effects of sintering temperatures on the crystal structure, microstructure and dielectric properties of these ceramics. The r...
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| Published in: | Journal of materials science 2022-09, Vol.57 (33), p.15901-15912 |
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| Main Authors: | , , , , , , |
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| cited_by | cdi_FETCH-LOGICAL-c319t-37b49bfd5dc0f25683175e6fafb8672085e420b038cb78ae25777119fd1a373f3 |
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| cites | cdi_FETCH-LOGICAL-c319t-37b49bfd5dc0f25683175e6fafb8672085e420b038cb78ae25777119fd1a373f3 |
| container_end_page | 15912 |
| container_issue | 33 |
| container_start_page | 15901 |
| container_title | Journal of materials science |
| container_volume | 57 |
| creator | Zhang, Xiaoyan Li, Jinsheng Ni, Bo Yang, Rutong Xie, Huihui Yang, Shuzhen Qi, Xiwei |
| description | Novel high-entropy (La
0.2
Li
0.2
Ba
0.2
Sr
0.2
Ca
0.2
)Nb
2
O
6-δ
tungsten bronze ceramics, fabricated by conventional solid-state reaction, were first studied to reveal the effects of sintering temperatures on the crystal structure, microstructure and dielectric properties of these ceramics. The results show that all the prepared ceramics have tetragonal tungsten bronze structures after sintering at 1250–1350 °C. With increasing sintering temperature, high density up to 93% theoretical and uniform grain distribution are obtained. The dielectric properties are apparently affected by both frequency and temperature, and all ceramics exhibit quintessential relaxation peaks and obvious frequency dispersion phenomena. The optimal value of dielectric constant
ε
r
reaches as high as 1.1 × 10
6
at 100 Hz and 625 °C for the ceramic sintered at 1250 °C, which is almost 1290 times that of the (Ba
1/3
Sr
1/3
Ca
1/3
)Nb
2
O
6
ceramics under the same conditions. Furthermore, the temperature stability of dielectric constant can also be improved through high-entropy effect. The obtained results demonstrate that it is feasible to design high-entropy ceramics to improve the dielectric properties of ANb
2
O
6
ceramics. We have reason to believe that entropy engineering is a credible strategy for tailoring properties of ceramic systems. |
| doi_str_mv | 10.1007/s10853-022-07617-7 |
| format | article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2708087231</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2708087231</sourcerecordid><originalsourceid>FETCH-LOGICAL-c319t-37b49bfd5dc0f25683175e6fafb8672085e420b038cb78ae25777119fd1a373f3</originalsourceid><addsrcrecordid>eNp9UEtOwzAQtRBIlMIFWFliAwuXsZ1k3CWUrxTRBbC2EtduU7VJsVOkci7OwZlwCBI7NjNPep_RPEJOOYw4AF4GDiqVDIRggBlHhntkwFOULFEg98kAOkokGT8kRyEsASBFwQdkcVPZlTWtrwzd-GZjfVvZQBtH6-bdruiimi-YrdtI7eh5XsBI5FUc1x169nFMOnTxVIppxr4-abut56G1NS19U39Yaqwv1pUJx-TAFatgT373kLze3b5MHlg-vX-cXOXMSD5umcQyGZduls4MOJFmSnJMbeYKV6oMRfzSJgJKkMqUqAorUkTkfOxmvJAonRySsz43fvO2taHVy2br63hSCwQFCoXkUSV6lfFNCN46vfHVuvA7zUF3jeq-UR1r0z-Naowm2ZtCFNdz6_-i_3F9A61Kdrk</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2708087231</pqid></control><display><type>article</type><title>Dielectric properties of novel high-entropy (La0.2Li0.2Ba0.2Sr0.2Ca0.2)Nb2O6-δ tungsten bronze ceramics</title><source>Springer Nature</source><creator>Zhang, Xiaoyan ; Li, Jinsheng ; Ni, Bo ; Yang, Rutong ; Xie, Huihui ; Yang, Shuzhen ; Qi, Xiwei</creator><creatorcontrib>Zhang, Xiaoyan ; Li, Jinsheng ; Ni, Bo ; Yang, Rutong ; Xie, Huihui ; Yang, Shuzhen ; Qi, Xiwei</creatorcontrib><description>Novel high-entropy (La
0.2
Li
0.2
Ba
0.2
Sr
0.2
Ca
0.2
)Nb
2
O
6-δ
tungsten bronze ceramics, fabricated by conventional solid-state reaction, were first studied to reveal the effects of sintering temperatures on the crystal structure, microstructure and dielectric properties of these ceramics. The results show that all the prepared ceramics have tetragonal tungsten bronze structures after sintering at 1250–1350 °C. With increasing sintering temperature, high density up to 93% theoretical and uniform grain distribution are obtained. The dielectric properties are apparently affected by both frequency and temperature, and all ceramics exhibit quintessential relaxation peaks and obvious frequency dispersion phenomena. The optimal value of dielectric constant
ε
r
reaches as high as 1.1 × 10
6
at 100 Hz and 625 °C for the ceramic sintered at 1250 °C, which is almost 1290 times that of the (Ba
1/3
Sr
1/3
Ca
1/3
)Nb
2
O
6
ceramics under the same conditions. Furthermore, the temperature stability of dielectric constant can also be improved through high-entropy effect. The obtained results demonstrate that it is feasible to design high-entropy ceramics to improve the dielectric properties of ANb
2
O
6
ceramics. We have reason to believe that entropy engineering is a credible strategy for tailoring properties of ceramic systems.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-022-07617-7</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Ceramics ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Crystal structure ; Crystallography and Scattering Methods ; Dielectric properties ; Energy Materials ; Entropy ; Materials Science ; Permittivity ; Polymer Sciences ; Sintering ; Solid Mechanics ; Temperature ; Tungsten bronze</subject><ispartof>Journal of materials science, 2022-09, Vol.57 (33), p.15901-15912</ispartof><rights>The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-37b49bfd5dc0f25683175e6fafb8672085e420b038cb78ae25777119fd1a373f3</citedby><cites>FETCH-LOGICAL-c319t-37b49bfd5dc0f25683175e6fafb8672085e420b038cb78ae25777119fd1a373f3</cites><orcidid>0000-0003-0277-2488</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Zhang, Xiaoyan</creatorcontrib><creatorcontrib>Li, Jinsheng</creatorcontrib><creatorcontrib>Ni, Bo</creatorcontrib><creatorcontrib>Yang, Rutong</creatorcontrib><creatorcontrib>Xie, Huihui</creatorcontrib><creatorcontrib>Yang, Shuzhen</creatorcontrib><creatorcontrib>Qi, Xiwei</creatorcontrib><title>Dielectric properties of novel high-entropy (La0.2Li0.2Ba0.2Sr0.2Ca0.2)Nb2O6-δ tungsten bronze ceramics</title><title>Journal of materials science</title><addtitle>J Mater Sci</addtitle><description>Novel high-entropy (La
0.2
Li
0.2
Ba
0.2
Sr
0.2
Ca
0.2
)Nb
2
O
6-δ
tungsten bronze ceramics, fabricated by conventional solid-state reaction, were first studied to reveal the effects of sintering temperatures on the crystal structure, microstructure and dielectric properties of these ceramics. The results show that all the prepared ceramics have tetragonal tungsten bronze structures after sintering at 1250–1350 °C. With increasing sintering temperature, high density up to 93% theoretical and uniform grain distribution are obtained. The dielectric properties are apparently affected by both frequency and temperature, and all ceramics exhibit quintessential relaxation peaks and obvious frequency dispersion phenomena. The optimal value of dielectric constant
ε
r
reaches as high as 1.1 × 10
6
at 100 Hz and 625 °C for the ceramic sintered at 1250 °C, which is almost 1290 times that of the (Ba
1/3
Sr
1/3
Ca
1/3
)Nb
2
O
6
ceramics under the same conditions. Furthermore, the temperature stability of dielectric constant can also be improved through high-entropy effect. The obtained results demonstrate that it is feasible to design high-entropy ceramics to improve the dielectric properties of ANb
2
O
6
ceramics. We have reason to believe that entropy engineering is a credible strategy for tailoring properties of ceramic systems.</description><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Crystal structure</subject><subject>Crystallography and Scattering Methods</subject><subject>Dielectric properties</subject><subject>Energy Materials</subject><subject>Entropy</subject><subject>Materials Science</subject><subject>Permittivity</subject><subject>Polymer Sciences</subject><subject>Sintering</subject><subject>Solid Mechanics</subject><subject>Temperature</subject><subject>Tungsten bronze</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9UEtOwzAQtRBIlMIFWFliAwuXsZ1k3CWUrxTRBbC2EtduU7VJsVOkci7OwZlwCBI7NjNPep_RPEJOOYw4AF4GDiqVDIRggBlHhntkwFOULFEg98kAOkokGT8kRyEsASBFwQdkcVPZlTWtrwzd-GZjfVvZQBtH6-bdruiimi-YrdtI7eh5XsBI5FUc1x169nFMOnTxVIppxr4-abut56G1NS19U39Yaqwv1pUJx-TAFatgT373kLze3b5MHlg-vX-cXOXMSD5umcQyGZduls4MOJFmSnJMbeYKV6oMRfzSJgJKkMqUqAorUkTkfOxmvJAonRySsz43fvO2taHVy2br63hSCwQFCoXkUSV6lfFNCN46vfHVuvA7zUF3jeq-UR1r0z-Naowm2ZtCFNdz6_-i_3F9A61Kdrk</recordid><startdate>20220901</startdate><enddate>20220901</enddate><creator>Zhang, Xiaoyan</creator><creator>Li, Jinsheng</creator><creator>Ni, Bo</creator><creator>Yang, Rutong</creator><creator>Xie, Huihui</creator><creator>Yang, Shuzhen</creator><creator>Qi, Xiwei</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><orcidid>https://orcid.org/0000-0003-0277-2488</orcidid></search><sort><creationdate>20220901</creationdate><title>Dielectric properties of novel high-entropy (La0.2Li0.2Ba0.2Sr0.2Ca0.2)Nb2O6-δ tungsten bronze ceramics</title><author>Zhang, Xiaoyan ; Li, Jinsheng ; Ni, Bo ; Yang, Rutong ; Xie, Huihui ; Yang, Shuzhen ; Qi, Xiwei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-37b49bfd5dc0f25683175e6fafb8672085e420b038cb78ae25777119fd1a373f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Classical Mechanics</topic><topic>Crystal structure</topic><topic>Crystallography and Scattering Methods</topic><topic>Dielectric properties</topic><topic>Energy Materials</topic><topic>Entropy</topic><topic>Materials Science</topic><topic>Permittivity</topic><topic>Polymer Sciences</topic><topic>Sintering</topic><topic>Solid Mechanics</topic><topic>Temperature</topic><topic>Tungsten bronze</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Xiaoyan</creatorcontrib><creatorcontrib>Li, Jinsheng</creatorcontrib><creatorcontrib>Ni, Bo</creatorcontrib><creatorcontrib>Yang, Rutong</creatorcontrib><creatorcontrib>Xie, Huihui</creatorcontrib><creatorcontrib>Yang, Shuzhen</creatorcontrib><creatorcontrib>Qi, Xiwei</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Journal of materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Xiaoyan</au><au>Li, Jinsheng</au><au>Ni, Bo</au><au>Yang, Rutong</au><au>Xie, Huihui</au><au>Yang, Shuzhen</au><au>Qi, Xiwei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dielectric properties of novel high-entropy (La0.2Li0.2Ba0.2Sr0.2Ca0.2)Nb2O6-δ tungsten bronze ceramics</atitle><jtitle>Journal of materials science</jtitle><stitle>J Mater Sci</stitle><date>2022-09-01</date><risdate>2022</risdate><volume>57</volume><issue>33</issue><spage>15901</spage><epage>15912</epage><pages>15901-15912</pages><issn>0022-2461</issn><eissn>1573-4803</eissn><abstract>Novel high-entropy (La
0.2
Li
0.2
Ba
0.2
Sr
0.2
Ca
0.2
)Nb
2
O
6-δ
tungsten bronze ceramics, fabricated by conventional solid-state reaction, were first studied to reveal the effects of sintering temperatures on the crystal structure, microstructure and dielectric properties of these ceramics. The results show that all the prepared ceramics have tetragonal tungsten bronze structures after sintering at 1250–1350 °C. With increasing sintering temperature, high density up to 93% theoretical and uniform grain distribution are obtained. The dielectric properties are apparently affected by both frequency and temperature, and all ceramics exhibit quintessential relaxation peaks and obvious frequency dispersion phenomena. The optimal value of dielectric constant
ε
r
reaches as high as 1.1 × 10
6
at 100 Hz and 625 °C for the ceramic sintered at 1250 °C, which is almost 1290 times that of the (Ba
1/3
Sr
1/3
Ca
1/3
)Nb
2
O
6
ceramics under the same conditions. Furthermore, the temperature stability of dielectric constant can also be improved through high-entropy effect. The obtained results demonstrate that it is feasible to design high-entropy ceramics to improve the dielectric properties of ANb
2
O
6
ceramics. We have reason to believe that entropy engineering is a credible strategy for tailoring properties of ceramic systems.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10853-022-07617-7</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-0277-2488</orcidid></addata></record> |
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| issn | 0022-2461 1573-4803 |
| language | eng |
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| source | Springer Nature |
| subjects | Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Crystal structure Crystallography and Scattering Methods Dielectric properties Energy Materials Entropy Materials Science Permittivity Polymer Sciences Sintering Solid Mechanics Temperature Tungsten bronze |
| title | Dielectric properties of novel high-entropy (La0.2Li0.2Ba0.2Sr0.2Ca0.2)Nb2O6-δ tungsten bronze ceramics |
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