Impact of Particle and Crystallite Size of Ba0.6Sr0.4TiO3 on the Dielectric Properties of BST/P(VDF-TrFE) Composites in Fully Printed Varactors
In the field of printed electronics, electronic components such as varactors are of special interest. As ferroelectric materials, Ba0.6Sr0.4TiO3 (BST) and poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) are promising compounds to be used in functional inks for the fabrication of fully i...
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| Veröffentlicht in: | Polymers 2022-11, Vol.14 (22), p.5027 |
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| creator | Mach, Tim P. Ding, Yingfang Binder, Joachim R. |
| description | In the field of printed electronics, electronic components such as varactors are of special interest. As ferroelectric materials, Ba0.6Sr0.4TiO3 (BST) and poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) are promising compounds to be used in functional inks for the fabrication of fully inkjet-printed dielectric layers. In BST/P(VDF-TrFE) composite inks, the influence of the particle and crystallite size is investigated by using different grinding media sizes and thermal treatments at varying temperatures. It was found that with an increasing particle and crystallite size, both the relative permittivity and tunability increase as well. However, the thermal treatment which impacts both the particle and crystallite size has a greater effect on the dielectric properties. An additional approach is the reduction in the dielectric layer thickness, which has a significant effect on the maximal tunability. Here, with a thickness of 0.9 µm, a tunability of 29.6% could be achieved in an external electric field of 34 V µm−1. |
| doi_str_mv | 10.3390/polym14225027 |
| format | Article |
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As ferroelectric materials, Ba0.6Sr0.4TiO3 (BST) and poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) are promising compounds to be used in functional inks for the fabrication of fully inkjet-printed dielectric layers. In BST/P(VDF-TrFE) composite inks, the influence of the particle and crystallite size is investigated by using different grinding media sizes and thermal treatments at varying temperatures. It was found that with an increasing particle and crystallite size, both the relative permittivity and tunability increase as well. However, the thermal treatment which impacts both the particle and crystallite size has a greater effect on the dielectric properties. An additional approach is the reduction in the dielectric layer thickness, which has a significant effect on the maximal tunability. Here, with a thickness of 0.9 µm, a tunability of 29.6% could be achieved in an external electric field of 34 V µm−1.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym14225027</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Aerosols ; Composite materials ; Crystallites ; Dielectric properties ; Electric fields ; Electronic components ; Ferroelectric materials ; Ferroelectricity ; Fluorides ; Heat treatment ; Hot pressing ; Inkjet printing ; Inks ; Investigations ; Particle size ; Permittivity ; Polyethylene ; Polymers ; Sintering ; Thickness ; Varactor diodes ; Vinylidene ; Vinylidene fluoride</subject><ispartof>Polymers, 2022-11, Vol.14 (22), p.5027</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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Here, with a thickness of 0.9 µm, a tunability of 29.6% could be achieved in an external electric field of 34 V µm−1.</description><subject>Aerosols</subject><subject>Composite materials</subject><subject>Crystallites</subject><subject>Dielectric properties</subject><subject>Electric fields</subject><subject>Electronic components</subject><subject>Ferroelectric materials</subject><subject>Ferroelectricity</subject><subject>Fluorides</subject><subject>Heat treatment</subject><subject>Hot pressing</subject><subject>Inkjet printing</subject><subject>Inks</subject><subject>Investigations</subject><subject>Particle size</subject><subject>Permittivity</subject><subject>Polyethylene</subject><subject>Polymers</subject><subject>Sintering</subject><subject>Thickness</subject><subject>Varactor diodes</subject><subject>Vinylidene</subject><subject>Vinylidene fluoride</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkc9LHDEUx4dioaIeew_0oodZk8mvmUuh7rpWEFzYrdeQybypkcxkTDLC-k_0X26sUmpfDu9BPvnwDa8oPhO8oLTB55N3-4GwquK4kh-KwwpLWjIq8ME_86fiJMYHnItxIYg8LH5dD5M2CfkebXRI1jhAeuzQMuxj0s7ZBGhrn-EFuNB4IbYBL9jO3lLkR5TuAa0sODApWIM2wU-QJRD_4Nvd-eb0brUud2F9eYaWfph8zMKI7IjWs3P7_MKOCTp0p0NO4UM8Lj722kU4eetHxY_15W75vby5vbpefrspDW2qVHLcMdI2ktSy0lTU-ZBWc457I2RTQ8tw3VGuNXBRty1tTG96QYTEpusr1tOj4uurd5rbAToDYwraqSnYQYe98tqq9zejvVc__ZNqRFNLQbLg9E0Q_OMMManBRgPO6RH8HFUlGeYEc8oy-uU_9MHPYczfyxRtGGcM00yVr5QJPsYA_d8wBKuXFat3K6a_AfqcmaY</recordid><startdate>20221119</startdate><enddate>20221119</enddate><creator>Mach, Tim P.</creator><creator>Ding, Yingfang</creator><creator>Binder, Joachim R.</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-9660-3695</orcidid><orcidid>https://orcid.org/0000-0003-2237-1411</orcidid></search><sort><creationdate>20221119</creationdate><title>Impact of Particle and Crystallite Size of Ba0.6Sr0.4TiO3 on the Dielectric Properties of BST/P(VDF-TrFE) Composites in Fully Printed Varactors</title><author>Mach, Tim P. ; 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As ferroelectric materials, Ba0.6Sr0.4TiO3 (BST) and poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) are promising compounds to be used in functional inks for the fabrication of fully inkjet-printed dielectric layers. In BST/P(VDF-TrFE) composite inks, the influence of the particle and crystallite size is investigated by using different grinding media sizes and thermal treatments at varying temperatures. It was found that with an increasing particle and crystallite size, both the relative permittivity and tunability increase as well. However, the thermal treatment which impacts both the particle and crystallite size has a greater effect on the dielectric properties. An additional approach is the reduction in the dielectric layer thickness, which has a significant effect on the maximal tunability. 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| subjects | Aerosols Composite materials Crystallites Dielectric properties Electric fields Electronic components Ferroelectric materials Ferroelectricity Fluorides Heat treatment Hot pressing Inkjet printing Inks Investigations Particle size Permittivity Polyethylene Polymers Sintering Thickness Varactor diodes Vinylidene Vinylidene fluoride |
| title | Impact of Particle and Crystallite Size of Ba0.6Sr0.4TiO3 on the Dielectric Properties of BST/P(VDF-TrFE) Composites in Fully Printed Varactors |
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