Lead-free piezoelectric (K,Na)NbO^sub 3^-based ceramic with planar-mode coupling coefficient comparable to that of conventional lead zirconate titanate
We developed a (K,Na)NbO3-based lead-free piezoelectric ceramic with a KTiNbO5 system, (K1− x Na x )0.86Ca0.04Li0.02Nb0.85O3−δ–K0.85Ti0.85Nb1.15O5–BaZrO3–Fe2O3–MgO (K1− x N x N–NTK–FM). K1− x N x N–NTK–FM ceramic exhibits a very dense microstructure and a coupling coefficient of k p = 0.59, which is...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 2017-06, Vol.56 (6), p.061501 |
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| container_title | Japanese Journal of Applied Physics |
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| creator | Ohbayashi, Kazushige Matsuoka, Takayuki Kitamura, Kazuaki Yamada, Hideto Hishida, Tomoko Yamazaki, Masato |
| description | We developed a (K,Na)NbO3-based lead-free piezoelectric ceramic with a KTiNbO5 system, (K1− x Na x )0.86Ca0.04Li0.02Nb0.85O3−δ–K0.85Ti0.85Nb1.15O5–BaZrO3–Fe2O3–MgO (K1− x N x N–NTK–FM). K1− x N x N–NTK–FM ceramic exhibits a very dense microstructure and a coupling coefficient of k p = 0.59, which is almost comparable to that of conventional lead zirconate titanate (PZT). The (K,Na)NbO3-based ceramic has the Γ15 mode for a wide x range. The nanodomains of orthorhombic (K,Na)NbO3 with the M3 mode coexist within the tetragonal Γ15 mode (K,Na)NbO3 matrix. Successive phase transition cannot occur with increasing x. The maximum k p is observed at approximately the minimum x required to generate the M3 mode phase. Unlike the behavior at the morphotropic phase boundary (MPB) in PZT, the characteristics of K1− x N x N–NTK–FM ceramic in this region changed moderately. This gentle phase transition seems to be a relaxor, although the diffuseness degree is not in line with this hypothesis. Furthermore, piezoelectric properties change from "soft" to "hard" upon the M3 mode phase aggregation. |
| format | Article |
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K1− x N x N–NTK–FM ceramic exhibits a very dense microstructure and a coupling coefficient of k p = 0.59, which is almost comparable to that of conventional lead zirconate titanate (PZT). The (K,Na)NbO3-based ceramic has the Γ15 mode for a wide x range. The nanodomains of orthorhombic (K,Na)NbO3 with the M3 mode coexist within the tetragonal Γ15 mode (K,Na)NbO3 matrix. Successive phase transition cannot occur with increasing x. The maximum k p is observed at approximately the minimum x required to generate the M3 mode phase. Unlike the behavior at the morphotropic phase boundary (MPB) in PZT, the characteristics of K1− x N x N–NTK–FM ceramic in this region changed moderately. This gentle phase transition seems to be a relaxor, although the diffuseness degree is not in line with this hypothesis. Furthermore, piezoelectric properties change from "soft" to "hard" upon the M3 mode phase aggregation.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><language>eng</language><publisher>Tokyo: Japanese Journal of Applied Physics</publisher><subject>Barium zirconates ; Ceramics ; Coupling coefficients ; Lead free ; Lead zirconate titanates ; Niobates ; Niobium oxides ; Phase transitions ; Piezoelectricity ; Relaxors</subject><ispartof>Japanese Journal of Applied Physics, 2017-06, Vol.56 (6), p.061501</ispartof><rights>Copyright Japanese Journal of Applied Physics Jun 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Ohbayashi, Kazushige</creatorcontrib><creatorcontrib>Matsuoka, Takayuki</creatorcontrib><creatorcontrib>Kitamura, Kazuaki</creatorcontrib><creatorcontrib>Yamada, Hideto</creatorcontrib><creatorcontrib>Hishida, Tomoko</creatorcontrib><creatorcontrib>Yamazaki, Masato</creatorcontrib><title>Lead-free piezoelectric (K,Na)NbO^sub 3^-based ceramic with planar-mode coupling coefficient comparable to that of conventional lead zirconate titanate</title><title>Japanese Journal of Applied Physics</title><description>We developed a (K,Na)NbO3-based lead-free piezoelectric ceramic with a KTiNbO5 system, (K1− x Na x )0.86Ca0.04Li0.02Nb0.85O3−δ–K0.85Ti0.85Nb1.15O5–BaZrO3–Fe2O3–MgO (K1− x N x N–NTK–FM). K1− x N x N–NTK–FM ceramic exhibits a very dense microstructure and a coupling coefficient of k p = 0.59, which is almost comparable to that of conventional lead zirconate titanate (PZT). The (K,Na)NbO3-based ceramic has the Γ15 mode for a wide x range. The nanodomains of orthorhombic (K,Na)NbO3 with the M3 mode coexist within the tetragonal Γ15 mode (K,Na)NbO3 matrix. Successive phase transition cannot occur with increasing x. The maximum k p is observed at approximately the minimum x required to generate the M3 mode phase. Unlike the behavior at the morphotropic phase boundary (MPB) in PZT, the characteristics of K1− x N x N–NTK–FM ceramic in this region changed moderately. This gentle phase transition seems to be a relaxor, although the diffuseness degree is not in line with this hypothesis. Furthermore, piezoelectric properties change from "soft" to "hard" upon the M3 mode phase aggregation.</description><subject>Barium zirconates</subject><subject>Ceramics</subject><subject>Coupling coefficients</subject><subject>Lead free</subject><subject>Lead zirconate titanates</subject><subject>Niobates</subject><subject>Niobium oxides</subject><subject>Phase transitions</subject><subject>Piezoelectricity</subject><subject>Relaxors</subject><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNjc9KxDAQxoO4YHV9hwEvCgbSNrvFsyiCsl487zJtJ26WNIlJqrAv4us6gg_g6ft9f5g5EVXd6k5qtV6dikqpppb6rmnOxHnOB7brla4r8f1COEqTiCBaOgZyNJRkB7h-vt3gzaZ_3ea5h3Yre8w0wkAJJ66_bNlDdOgxySmMBEOYo7P-nYGMsYMlX5iniAl7R1AClD0WCIZT_8mtDR4dOP4PR5s4xMIzW_AXlmJh0GW6_NMLcfX48Hb_JGMKHzPlsjuEOfGBvGuUbjvd1Z1q_7f6ATtTWjY</recordid><startdate>20170601</startdate><enddate>20170601</enddate><creator>Ohbayashi, Kazushige</creator><creator>Matsuoka, Takayuki</creator><creator>Kitamura, Kazuaki</creator><creator>Yamada, Hideto</creator><creator>Hishida, Tomoko</creator><creator>Yamazaki, Masato</creator><general>Japanese Journal of Applied Physics</general><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20170601</creationdate><title>Lead-free piezoelectric (K,Na)NbO^sub 3^-based ceramic with planar-mode coupling coefficient comparable to that of conventional lead zirconate titanate</title><author>Ohbayashi, Kazushige ; Matsuoka, Takayuki ; Kitamura, Kazuaki ; Yamada, Hideto ; Hishida, Tomoko ; Yamazaki, Masato</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_20437471703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Barium zirconates</topic><topic>Ceramics</topic><topic>Coupling coefficients</topic><topic>Lead free</topic><topic>Lead zirconate titanates</topic><topic>Niobates</topic><topic>Niobium oxides</topic><topic>Phase transitions</topic><topic>Piezoelectricity</topic><topic>Relaxors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ohbayashi, Kazushige</creatorcontrib><creatorcontrib>Matsuoka, Takayuki</creatorcontrib><creatorcontrib>Kitamura, Kazuaki</creatorcontrib><creatorcontrib>Yamada, Hideto</creatorcontrib><creatorcontrib>Hishida, Tomoko</creatorcontrib><creatorcontrib>Yamazaki, Masato</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ohbayashi, Kazushige</au><au>Matsuoka, Takayuki</au><au>Kitamura, Kazuaki</au><au>Yamada, Hideto</au><au>Hishida, Tomoko</au><au>Yamazaki, Masato</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Lead-free piezoelectric (K,Na)NbO^sub 3^-based ceramic with planar-mode coupling coefficient comparable to that of conventional lead zirconate titanate</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><date>2017-06-01</date><risdate>2017</risdate><volume>56</volume><issue>6</issue><spage>061501</spage><pages>061501-</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><abstract>We developed a (K,Na)NbO3-based lead-free piezoelectric ceramic with a KTiNbO5 system, (K1− x Na x )0.86Ca0.04Li0.02Nb0.85O3−δ–K0.85Ti0.85Nb1.15O5–BaZrO3–Fe2O3–MgO (K1− x N x N–NTK–FM). K1− x N x N–NTK–FM ceramic exhibits a very dense microstructure and a coupling coefficient of k p = 0.59, which is almost comparable to that of conventional lead zirconate titanate (PZT). The (K,Na)NbO3-based ceramic has the Γ15 mode for a wide x range. The nanodomains of orthorhombic (K,Na)NbO3 with the M3 mode coexist within the tetragonal Γ15 mode (K,Na)NbO3 matrix. Successive phase transition cannot occur with increasing x. The maximum k p is observed at approximately the minimum x required to generate the M3 mode phase. Unlike the behavior at the morphotropic phase boundary (MPB) in PZT, the characteristics of K1− x N x N–NTK–FM ceramic in this region changed moderately. This gentle phase transition seems to be a relaxor, although the diffuseness degree is not in line with this hypothesis. Furthermore, piezoelectric properties change from "soft" to "hard" upon the M3 mode phase aggregation.</abstract><cop>Tokyo</cop><pub>Japanese Journal of Applied Physics</pub></addata></record> |
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| identifier | ISSN: 0021-4922 |
| ispartof | Japanese Journal of Applied Physics, 2017-06, Vol.56 (6), p.061501 |
| issn | 0021-4922 1347-4065 |
| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Barium zirconates Ceramics Coupling coefficients Lead free Lead zirconate titanates Niobates Niobium oxides Phase transitions Piezoelectricity Relaxors |
| title | Lead-free piezoelectric (K,Na)NbO^sub 3^-based ceramic with planar-mode coupling coefficient comparable to that of conventional lead zirconate titanate |
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