Effects of Alkali Metal Content and Sintering Temperature on the Structure and Electrical Properties of (Na0.52K0.48) 0.94+xLi0.06-xNb0.94Sb0.06O3 Lead-Free Piezoelectric Ceramics
Alkali niobate lead-free piezoelectric ceramics with nominal compositions [(Na0.52K0.48)0.94+ xLi0.06-x](Nb0.94Sb0.06)O3 ((NK)xLNS) were prepared by normal sintering. Crystalline phase, piezoelectric properties and sintering behavior of (NK)xLNS ceramics were investigated with a special emphasis on...
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| Veröffentlicht in: | Applied Mechanics and Materials 2013-09, Vol.423-426 (Applied Materials and Technologies for Modern Manufacturing), p.459-462 |
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| container_issue | Applied Materials and Technologies for Modern Manufacturing |
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| creator | Li, Hai Tao Hong, Xiao Bo Gong, Jin Feng Cheng, Zhi Yuan Guo, Han Huang, Hong Qiong |
| description | Alkali niobate lead-free piezoelectric ceramics with nominal compositions [(Na0.52K0.48)0.94+ xLi0.06-x](Nb0.94Sb0.06)O3 ((NK)xLNS) were prepared by normal sintering. Crystalline phase, piezoelectric properties and sintering behavior of (NK)xLNS ceramics were investigated with a special emphasis on the influence of alkli metal content. The x-ray diffraction patterns and the corresponding calculation of lattice parameters indicated that a phase transition from tetragonal to orthorhombic symmetry occurs as x=0.01, resulting in enhanced piezoelectric constant and planar electromechanical coupling coefficient of 266 pC/N and 38.5%, respectively. With x=0.01, the ceramics sintered at 1050 C show higher density and better electrical properties. Our results indicate the importance of sintering temperature and elaborate compositional control for enhancing piezoelectric properties in niobate-based ceramics. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.423-426.459 |
| format | Article |
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Crystalline phase, piezoelectric properties and sintering behavior of (NK)xLNS ceramics were investigated with a special emphasis on the influence of alkli metal content. The x-ray diffraction patterns and the corresponding calculation of lattice parameters indicated that a phase transition from tetragonal to orthorhombic symmetry occurs as x=0.01, resulting in enhanced piezoelectric constant and planar electromechanical coupling coefficient of 266 pC/N and 38.5%, respectively. With x=0.01, the ceramics sintered at 1050 C show higher density and better electrical properties. Our results indicate the importance of sintering temperature and elaborate compositional control for enhancing piezoelectric properties in niobate-based ceramics.</description><identifier>ISSN: 1660-9336</identifier><identifier>ISSN: 1662-7482</identifier><identifier>ISBN: 9783037858882</identifier><identifier>ISBN: 3037858885</identifier><identifier>EISSN: 1662-7482</identifier><identifier>DOI: 10.4028/www.scientific.net/AMM.423-426.459</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><subject>Ceramics ; Constants ; Density ; Electrical properties ; Lead free ; Piezoelectric ceramics ; Piezoelectricity ; Sintering</subject><ispartof>Applied Mechanics and Materials, 2013-09, Vol.423-426 (Applied Materials and Technologies for Modern Manufacturing), p.459-462</ispartof><rights>2013 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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Crystalline phase, piezoelectric properties and sintering behavior of (NK)xLNS ceramics were investigated with a special emphasis on the influence of alkli metal content. The x-ray diffraction patterns and the corresponding calculation of lattice parameters indicated that a phase transition from tetragonal to orthorhombic symmetry occurs as x=0.01, resulting in enhanced piezoelectric constant and planar electromechanical coupling coefficient of 266 pC/N and 38.5%, respectively. With x=0.01, the ceramics sintered at 1050 C show higher density and better electrical properties. Our results indicate the importance of sintering temperature and elaborate compositional control for enhancing piezoelectric properties in niobate-based ceramics.</description><subject>Ceramics</subject><subject>Constants</subject><subject>Density</subject><subject>Electrical properties</subject><subject>Lead free</subject><subject>Piezoelectric ceramics</subject><subject>Piezoelectricity</subject><subject>Sintering</subject><issn>1660-9336</issn><issn>1662-7482</issn><issn>1662-7482</issn><isbn>9783037858882</isbn><isbn>3037858885</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkctuEzEUhkdcJNrSd7DEpoBm6vvYyzSkgEjaSilryzNzTF0mM8F2lJbX4gVxkkogViws-9i_vmP7K4p3BFccU3W-3W6r2HoYkne-rQZI55PFouKUlZzKigv9rDgiUtKy5oo-L051rRhmtRJKKfpif4ZLzZh8VRzHeI-x5ISro-LXzDloU0SjQ5P-u-09WkCyPZqOQ8rtkB06tPR5HfzwDd3Cag3Bpk0ANA4o3QFaprBp9xu76KzPtODbTLgJY84mD3v42ZXFlaBf8oPUW4Qrzd8_zD2usCwfrppdvWx21TVDc7BdeRkA0I2HnyM8IdE0d175Nr4uXjrbRzh9mk-Kr5ez2-mncn798fN0Mi_b_M5UCoU7LTrRNNZ1jjLlKAFBNSPa2k5iDM5hrgjFsmkwYGF1_hWFgTMOtRPspDg7cNdh_LGBmMzKxxb63g4wbqIhsiZcK81kjr75J3o_bsKQb2cI54wKLSTLqYtDqg1jjAGcWQe_suHREGx2nk32bP54NtmzyZ5N9pyHNNlzhnw4QFKwQ0zQ3v3V6_8xvwEo3rX3</recordid><startdate>20130901</startdate><enddate>20130901</enddate><creator>Li, Hai Tao</creator><creator>Hong, Xiao Bo</creator><creator>Gong, Jin Feng</creator><creator>Cheng, Zhi Yuan</creator><creator>Guo, Han</creator><creator>Huang, Hong Qiong</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BFMQW</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>KR7</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><scope>7QQ</scope><scope>7U5</scope><scope>L7M</scope></search><sort><creationdate>20130901</creationdate><title>Effects of Alkali Metal Content and Sintering Temperature on the Structure and Electrical Properties of (Na0.52K0.48) 0.94+xLi0.06-xNb0.94Sb0.06O3 Lead-Free Piezoelectric Ceramics</title><author>Li, Hai Tao ; 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Crystalline phase, piezoelectric properties and sintering behavior of (NK)xLNS ceramics were investigated with a special emphasis on the influence of alkli metal content. The x-ray diffraction patterns and the corresponding calculation of lattice parameters indicated that a phase transition from tetragonal to orthorhombic symmetry occurs as x=0.01, resulting in enhanced piezoelectric constant and planar electromechanical coupling coefficient of 266 pC/N and 38.5%, respectively. With x=0.01, the ceramics sintered at 1050 C show higher density and better electrical properties. Our results indicate the importance of sintering temperature and elaborate compositional control for enhancing piezoelectric properties in niobate-based ceramics.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/AMM.423-426.459</doi><tpages>4</tpages></addata></record> |
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| subjects | Ceramics Constants Density Electrical properties Lead free Piezoelectric ceramics Piezoelectricity Sintering |
| title | Effects of Alkali Metal Content and Sintering Temperature on the Structure and Electrical Properties of (Na0.52K0.48) 0.94+xLi0.06-xNb0.94Sb0.06O3 Lead-Free Piezoelectric Ceramics |
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