Ferroelectric and piezoelectric properties of (Bi1/2K1/2)(ZrxTi1−x)O3 lead-free ceramics
•(Bi1/2K1/2)(ZrxTi1−x)O3 ceramics were fabricated utilizing the hydrothermal method.•The Zr-substitution decreases the tetragonality and stabilizes the relaxor state.•An enhanced piezoelectric d33 constant of 140 pC N−1 is achieved at x = 0.04. We report the effect of Zr substitution for Ti on the f...
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| Veröffentlicht in: | Materials letters 2020-07, Vol.271, p.127776, Article 127776 |
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| creator | Ito, Makoto Hagiwara, Manabu Fujihara, Shinobu |
| description | •(Bi1/2K1/2)(ZrxTi1−x)O3 ceramics were fabricated utilizing the hydrothermal method.•The Zr-substitution decreases the tetragonality and stabilizes the relaxor state.•An enhanced piezoelectric d33 constant of 140 pC N−1 is achieved at x = 0.04.
We report the effect of Zr substitution for Ti on the ferroelectric and piezoelectric properties of lead-free (Bi1/2K1/2)TiO3 (BKT) ceramics. Dense ceramics of (Bi1/2K1/2)(ZrxTi1−x)O3 with x up to 0.06 were fabricated by sintering of hydrothermally derived fine powders. The investigation of the crystal structure and dielectric properties revealed that the Zr substitution decreased the tetragonal lattice distortion of BKT and stabilized the relaxor state. The coercive electric field was found to be decreased monotonically with increasing the Zr content, while the largest remanent polarization of 26 μC cm−2 was observed at x = 0.04. As a result, the ceramic with x = 0.04 showed an enhanced piezoelectric d33 constant of 140 pC N−1. |
| doi_str_mv | 10.1016/j.matlet.2020.127776 |
| format | Article |
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We report the effect of Zr substitution for Ti on the ferroelectric and piezoelectric properties of lead-free (Bi1/2K1/2)TiO3 (BKT) ceramics. Dense ceramics of (Bi1/2K1/2)(ZrxTi1−x)O3 with x up to 0.06 were fabricated by sintering of hydrothermally derived fine powders. The investigation of the crystal structure and dielectric properties revealed that the Zr substitution decreased the tetragonal lattice distortion of BKT and stabilized the relaxor state. The coercive electric field was found to be decreased monotonically with increasing the Zr content, while the largest remanent polarization of 26 μC cm−2 was observed at x = 0.04. As a result, the ceramic with x = 0.04 showed an enhanced piezoelectric d33 constant of 140 pC N−1.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2020.127776</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Ceramics ; Crystal structure ; Dielectric properties ; Electric fields ; Element substitution ; Ferroelectric materials ; Ferroelectricity ; Ferroelectrics ; Hydrothermal synthesis ; Lead free ; Materials science ; Materials substitution ; Piezoelectric materials ; Piezoelectricity ; Relaxors ; Sintering (powder metallurgy) ; Temperature ; Tetragonal lattice ; Zirconium</subject><ispartof>Materials letters, 2020-07, Vol.271, p.127776, Article 127776</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jul 15, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c315t-e367247bcc56e6990ad082a63f084186318db4d45f4ff1f3c737b1196d7f55b43</citedby><cites>FETCH-LOGICAL-c315t-e367247bcc56e6990ad082a63f084186318db4d45f4ff1f3c737b1196d7f55b43</cites><orcidid>0000-0003-4995-2988 ; 0000-0003-1299-1369</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0167577X2030481X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Ito, Makoto</creatorcontrib><creatorcontrib>Hagiwara, Manabu</creatorcontrib><creatorcontrib>Fujihara, Shinobu</creatorcontrib><title>Ferroelectric and piezoelectric properties of (Bi1/2K1/2)(ZrxTi1−x)O3 lead-free ceramics</title><title>Materials letters</title><description>•(Bi1/2K1/2)(ZrxTi1−x)O3 ceramics were fabricated utilizing the hydrothermal method.•The Zr-substitution decreases the tetragonality and stabilizes the relaxor state.•An enhanced piezoelectric d33 constant of 140 pC N−1 is achieved at x = 0.04.
We report the effect of Zr substitution for Ti on the ferroelectric and piezoelectric properties of lead-free (Bi1/2K1/2)TiO3 (BKT) ceramics. Dense ceramics of (Bi1/2K1/2)(ZrxTi1−x)O3 with x up to 0.06 were fabricated by sintering of hydrothermally derived fine powders. The investigation of the crystal structure and dielectric properties revealed that the Zr substitution decreased the tetragonal lattice distortion of BKT and stabilized the relaxor state. The coercive electric field was found to be decreased monotonically with increasing the Zr content, while the largest remanent polarization of 26 μC cm−2 was observed at x = 0.04. As a result, the ceramic with x = 0.04 showed an enhanced piezoelectric d33 constant of 140 pC N−1.</description><subject>Ceramics</subject><subject>Crystal structure</subject><subject>Dielectric properties</subject><subject>Electric fields</subject><subject>Element substitution</subject><subject>Ferroelectric materials</subject><subject>Ferroelectricity</subject><subject>Ferroelectrics</subject><subject>Hydrothermal synthesis</subject><subject>Lead free</subject><subject>Materials science</subject><subject>Materials substitution</subject><subject>Piezoelectric materials</subject><subject>Piezoelectricity</subject><subject>Relaxors</subject><subject>Sintering (powder metallurgy)</subject><subject>Temperature</subject><subject>Tetragonal lattice</subject><subject>Zirconium</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKAzEQhoMoWKtv4GHBS3vYNtlkk92LoMWqWOilgvQSdpMJZNl212Qr1Sfw7CP6JKas4M3DMDD8_z8zH0KXBE8IJnxaTTZFV0M3SXASRokQgh-hAckEjVku8mM0CDIRp0K8nKIz7yuMMcsxG6D1HJxroAbVOauiYquj1sLH36R1TQuus-CjxkSjW0umyVOo8Wjt9itLvj-_9uMljWoodGwcQKTAFRur_Dk6MUXt4eK3D9Hz_G41e4gXy_vH2c0iVpSkXQyUi4SJUqmUA89zXGicJQWnBmeMZJySTJdMs9QwY4ihSlBREpJzLUyalowO0VWfG0593YHvZNXs3DaslAljlLM040lQsV6lXOO9AyNbZzeFe5cEywNFWcmeojxQlD3FYLvubRA-eLPgpFcWtgq0dYGQ1I39P-AHdEh70w</recordid><startdate>20200715</startdate><enddate>20200715</enddate><creator>Ito, Makoto</creator><creator>Hagiwara, Manabu</creator><creator>Fujihara, Shinobu</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-4995-2988</orcidid><orcidid>https://orcid.org/0000-0003-1299-1369</orcidid></search><sort><creationdate>20200715</creationdate><title>Ferroelectric and piezoelectric properties of (Bi1/2K1/2)(ZrxTi1−x)O3 lead-free ceramics</title><author>Ito, Makoto ; Hagiwara, Manabu ; Fujihara, Shinobu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c315t-e367247bcc56e6990ad082a63f084186318db4d45f4ff1f3c737b1196d7f55b43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Ceramics</topic><topic>Crystal structure</topic><topic>Dielectric properties</topic><topic>Electric fields</topic><topic>Element substitution</topic><topic>Ferroelectric materials</topic><topic>Ferroelectricity</topic><topic>Ferroelectrics</topic><topic>Hydrothermal synthesis</topic><topic>Lead free</topic><topic>Materials science</topic><topic>Materials substitution</topic><topic>Piezoelectric materials</topic><topic>Piezoelectricity</topic><topic>Relaxors</topic><topic>Sintering (powder metallurgy)</topic><topic>Temperature</topic><topic>Tetragonal lattice</topic><topic>Zirconium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ito, Makoto</creatorcontrib><creatorcontrib>Hagiwara, Manabu</creatorcontrib><creatorcontrib>Fujihara, Shinobu</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ito, Makoto</au><au>Hagiwara, Manabu</au><au>Fujihara, Shinobu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ferroelectric and piezoelectric properties of (Bi1/2K1/2)(ZrxTi1−x)O3 lead-free ceramics</atitle><jtitle>Materials letters</jtitle><date>2020-07-15</date><risdate>2020</risdate><volume>271</volume><spage>127776</spage><pages>127776-</pages><artnum>127776</artnum><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>•(Bi1/2K1/2)(ZrxTi1−x)O3 ceramics were fabricated utilizing the hydrothermal method.•The Zr-substitution decreases the tetragonality and stabilizes the relaxor state.•An enhanced piezoelectric d33 constant of 140 pC N−1 is achieved at x = 0.04.
We report the effect of Zr substitution for Ti on the ferroelectric and piezoelectric properties of lead-free (Bi1/2K1/2)TiO3 (BKT) ceramics. Dense ceramics of (Bi1/2K1/2)(ZrxTi1−x)O3 with x up to 0.06 were fabricated by sintering of hydrothermally derived fine powders. The investigation of the crystal structure and dielectric properties revealed that the Zr substitution decreased the tetragonal lattice distortion of BKT and stabilized the relaxor state. The coercive electric field was found to be decreased monotonically with increasing the Zr content, while the largest remanent polarization of 26 μC cm−2 was observed at x = 0.04. As a result, the ceramic with x = 0.04 showed an enhanced piezoelectric d33 constant of 140 pC N−1.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2020.127776</doi><orcidid>https://orcid.org/0000-0003-4995-2988</orcidid><orcidid>https://orcid.org/0000-0003-1299-1369</orcidid></addata></record> |
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| subjects | Ceramics Crystal structure Dielectric properties Electric fields Element substitution Ferroelectric materials Ferroelectricity Ferroelectrics Hydrothermal synthesis Lead free Materials science Materials substitution Piezoelectric materials Piezoelectricity Relaxors Sintering (powder metallurgy) Temperature Tetragonal lattice Zirconium |
| title | Ferroelectric and piezoelectric properties of (Bi1/2K1/2)(ZrxTi1−x)O3 lead-free ceramics |
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