{"id":101664,"date":"2017-09-18T06:30:28","date_gmt":"2017-09-17T22:30:28","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=101664"},"modified":"2017-09-18T21:42:29","modified_gmt":"2017-09-18T13:42:29","slug":"%e5%90%8c%e6%b5%8e%e5%a4%a7%e5%ad%a6j-am-ceram-soc-%e5%a2%9e%e5%bc%ba%e5%8e%8b%e7%94%b5%e5%93%8d%e5%ba%94%e5%92%8c%e5%8e%8b%e7%94%b5%e7%94%b5%e5%8e%8b%e7%b3%bb%e6%95%b0%e7%9a%84%e6%96%b0%e5%9e%8bknn","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=101664","title":{"rendered":"\u540c\u6d4e\u5927\u5b66J.Am.Ceram.Soc.: \u589e\u5f3a\u538b\u7535\u54cd\u5e94\u548c\u538b\u7535\u7535\u538b\u7cfb\u6570\u7684\u65b0\u578bKNN\u57fa\u9676\u74f7\u6750\u6599"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u538b\u7535\u9676\u74f7\u5728\u7535\u5b50\u79d1\u5b66\u6280\u672f\u4e2d\u5e94\u7528\u5e7f\u6cdb\uff0c\u662f\u6700\u91cd\u8981\u7684\u7535\u5b50\u6750\u6599\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u538b\u7535\u9676\u74f7\u4ee3\u8868-\u9506\u949b\u9178\u94c5\u538b\u7535\u9676\u74f7\uff08PZT\uff09\u662f\u4e00\u79cd\u5bf9\u73af\u5883\u6709\u6c61\u67d3\u7684\u6750\u6599\uff0cPbO\u5728\u70e7\u7ed3\u8fc7\u7a0b\u4e2d\u6325\u53d1\u6027\u5f88\u5927\uff0c\u5bf9\u4eba\u4f53\u548c\u73af\u5883\u90fd\u9020\u6210\u4e86\u5371\u5bb3\u3002\u4e3a\u6b64\u7814\u7a76\u8005\u81f4\u529b\u4e8e\u5bfb\u627e\u3001\u5236\u9020\u4e0d\u542b\u94c5\u9676\u74f7\u3002<\/p>\n

Kx<\/sub>Na1-x<\/sub>NbO3<\/sub>\uff08KNN\uff09\u9676\u74f7\u662f\u4e00\u79cd\u4e0d\u542b\u94c5\u7684\uff0c\u5177\u6709\u9ad8\u5c45\u91cc\u6e29\u5ea6\u4ee5\u53ca\u826f\u597d\u7684\u538b\u7535\u6027\u80fd\u7684\u6750\u6599\uff0c\u4f46\u5176\u70e7\u7ed3\u6e29\u5ea6\u8303\u56f4\u5374\u5f88\u72ed\u7a84\uff0c\u5177\u6709\u975e\u5316\u5b66\u8ba1\u91cf\u6027\uff0c\u4ee5\u53ca\u81f4\u5bc6\u5316\u8fc7\u7a0b\u590d\u6742\u5bfc\u81f4\u4e86\u5176\u5e94\u7528\u53d7\u5230\u9650\u5236\u30022004\u5e74\u65f6\uff0c\u6709\u7814\u7a76\u4eba\u5458\u5229\u7528RTGG\u6cd5\u5408\u6210\u4e86(K0.44<\/sub>Na0.52<\/sub>Li0.04<\/sub>)(Nb0.86<\/sub>Ta0.10<\/sub>Sb0.04<\/sub>)O3<\/sub> (LF4)\u9676\u74f7\uff0c\u5728\u6027\u80fd\u4e0a\u5b9e\u73b0\u7a81\u7834\uff08\u538b\u7535\u5e38\u6570d33=416pC\/N\uff0c\u673a\u7535\u8026\u5408\u7cfb\u6570kp<\/sub>=0.61\uff09\u3002RTGG\u6cd5\u56e0\u6b64\u5f15\u8d77\u4e86\u4eba\u4eec\u7684\u6ce8\u610f\u3002\u63ba\u6742\u5408\u9002\u7684\u539f\u5b50\u6216\u8005\u7aef\u5143\u7ec4\u5206\u4e5f\u662f\u4e00\u79cd\u6709\u6548\u589e\u5f3a\u9676\u74f7\u538b\u7535\u548c\u7535\u5b66\u6027\u80fd\u7684\u65b9\u5f0f\u3002\u6709\u7814\u7a76\u8005\u7cfb\u7edf\u5730\u7814\u7a76\u4e86Ta\u63ba\u6742\u7684KNN\u57fa\u9676\u74f7\uff0c\u5176\u673a\u7535\u8026\u5408\u7cfb\u6570kp<\/sub>=0.41\uff0c\u673a\u68b0\u54c1\u8d28\u7cfb\u6570Qm=1400\u3002\u5c06\u51e0\u79cd\u65b9\u6cd5\u5408\u5e76\uff0c\u6216\u8bb8\u5c31\u53ef\u4ee5\u8d77\u5230\u4f18\u52bf\u4e92\u8865\u7684\u534f\u540c\u4f5c\u7528\uff0c\u4ece\u800c\u589e\u5f3a\u9676\u74f7\u538b\u7535\u6027\u80fd\u3002<\/p>\n

\u3010\u6210\u679c\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u65e5\u524d\uff0c\u540c\u6d4e\u5927\u5b66\u7fdf\u7ee7\u536b\u8bfe\u9898\u7ec4<\/strong>\u5728J.Am.Ceram.Soc.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cSimultaneously enhanced piezoelectric response and piezoelectric voltage coefficient in textured KNN-based ceramic<\/strong>s\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u7efc\u5408\u4e86\u5236\u5907\u9676\u74f7\u7684\u5404\u65b9\u6cd5\u7684\u4f18\u52bf\uff0c\u5229\u7528RTGG\u6cd5\u5236\u5907\u51fa\u4e86KNN\u57fa\u7ec7\u6784\u9676\u74f7\uff0c\u4f7f\u7528\u4e24\u6b65\u70e7\u7ed3\u6cd5\u89e3\u51b3\u4e86\u5236\u5907KNN\u9676\u74f7\u8fc7\u7a0b\u4e2d\u70e7\u7ed3\u6e29\u5ea6\u8303\u56f4\u72ed\u7a84\u7684\u95ee\u9898\u3002\u5e76\u5bf9\u9676\u74f7\u8fdb\u884cTa\u63ba\u6742\u64cd\u4f5c\uff0c\u6709\u6548\u589e\u5f3a\u4e86\u5176\u538b\u7535\u548c\u7535\u5b66\u6027\u80fd\u3002\u968f\u540e\u7814\u7a76\u8005\u5bf9\u9676\u74f7\u7684\u663e\u5fae\u7ed3\u6784\uff0c\u538b\u7535\u6027\u80fd\uff0c\u94c1\u7535\u6027\u80fd\uff0c\u4ecb\u7535\u6027\u80fd\u8fdb\u884c\u4e86\u7cfb\u7edf\u5730\u7814\u7a76\u3002\u6587\u7ae0\u89e3\u91ca\u4e86Ta\u5143\u7d20\u7684\u6bd4\u4f8b\u548c\u7ec7\u6784\u9676\u74f7\u538b\u7535\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5e76\u63a2\u7d22\u4e86\u5b83\u4e0e\u4e0d\u540c\u53d6\u5411\u7684\u9676\u74f7\u4e4b\u95f4\u7684\u538b\u7535\u54cd\u5e94\u7684\u5dee\u522b\u3002<\/p>\n

\u3010\u56fe\u6587\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u56fe\u4e00\uff1a0.99KNLN0.97-x<\/sub>STx<\/sub>-0.01CZ \u9676\u74f7\uff080.03\u2264x\u22640.25\uff09XRD\u56fe\u50cf\u548c\u4f4e\u6e29\u03b5r<\/sub>-T\u66f2\u7ebf\uff08\u6d4b\u8bd5\u6761\u4ef610HZ\uff0c\u6e29\u5ea6\u8303\u56f4-80\u2103-120\u2103\uff09<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A<\/strong>\uff09\u7ec7\u6784\u9676\u74f7XRD\u56fe\u50cf\uff1b<\/p>\n

\uff08B<\/strong>\uff09\u968f\u673a\u53d6\u5411\u9676\u74f7XRD\u56fe\u50cf\uff1b<\/p>\n

\uff08C<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\u4f4e\u6e29\u03b5r<\/sub>-T\u66f2\u7ebf\uff1b<\/p>\n

\uff08D<\/strong>\uff09\u968f\u673a\u53d6\u5411\u9676\u74f7\u4f4e\u6e29\u03b5r<\/sub>-T\u66f2\u7ebf\u3002<\/p>\n

\u56fe\u4e8c\uff1a0.99KNLN0.97-x<\/sub>STx<\/sub>-0.01CZ\u9676\u74f7\u70ed\u8150\u8680\u622a\u9762SEM\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

\u7ec7\u6784\u9676\u74f7\uff1a<\/p>\n

\uff08A<\/strong>\uff09x=0.03\uff1b<\/p>\n

\uff08B<\/strong>\uff09x=0.15\uff1b<\/p>\n

\uff08C<\/strong>\uff09x=0.25\uff1b<\/p>\n

\u968f\u673a\u53d6\u5411\u9676\u74f7\uff1a<\/p>\n

\uff08D<\/strong>\uff09x=0.03\uff1b<\/p>\n

\uff08E<\/strong>\uff09x=0.15\uff1b<\/p>\n

\uff08F<\/strong>\uff09x=0.25\u3002<\/p>\n

\u56fe\u4e09\uff1a0.99KNLN0.97-x<\/sub>STx<\/sub>-0.01CZ\u9676\u74f7\u7684\u03b5r<\/sub>-T \u548ctan\u03b4-T\u56fe\u50cf\uff08\u6e29\u5ea6\u8303\u56f4\uff1a25\u2103-470\u2103\uff09<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\uff1b<\/p>\n

\uff08B<\/strong>\uff09\u968f\u673a\u53d6\u5411\u9676\u74f7\u3002<\/p>\n

\u56fe\u56db\uff1a0.99KNLN0.97-x<\/sub>STx<\/sub>-0.01CZ\u9676\u74f7\u7535\u6ede\u56de\u7ebf\u548c\u7ec4\u6210\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A<\/strong>\uff0910Hz\u60c5\u51b5\u4e0b\u7ec7\u6784\u9676\u74f7\u7535\u6ede\u56de\u7ebf\uff1b<\/p>\n

\uff08B<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\u548c\u968f\u673a\u53d6\u5411\u9676\u74f7Pr\u548cEc\u7ec4\u6210\u5206\u6790\u56fe\u50cf\u3002<\/p>\n

\u56fe\u4e94\uff1a0.99KNLN0.97-x<\/sub>STx<\/sub>-0.01CZ\u9676\u74f7\u5355\u6781S-E\u66f2\u7ebf\u548cd33*\u968f\u7535\u573a\u5f3a\u5ea6\u53d8\u5316\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\u5355\u6781S-E\u66f2\u7ebf\uff1b<\/p>\n

\uff08B<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\u548c\u968f\u673a\u53d6\u5411\u9676\u74f7\u7684d33*\u968f\u7535\u573a\u5f3a\u5ea6\u53d8\u5316\u66f2\u7ebf\uff1b<\/p>\n

\uff08C<\/strong>\uff09\u7535\u573a\u5f3a\u5ea650KV\/cm\u65f6\u9676\u74f7\u5355\u6781S-E\u66f2\u7ebf\uff1b\u63d2\u56fe\u4e3a\u5728\u504f\u7f6e\u4e0b\u5177\u6709O-T\u5171\u5b58\u76f8\u7684<001> \u7ec7\u6784\u9676\u74f7\u7574\u7ed3\u6784\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe\u516d\uff1a0.99KNLN0.97-x<\/sub>STx<\/sub>-0.01CZ\u9676\u74f7\u5355\u6781S-E\u66f2\u7ebf\u548cd33*\u968f\u7535\u573a\u5f3a\u5ea6\u53d8\u5316\u66f2\u7ebf\u8865\u5145\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A<\/strong>\uff09\u7535\u573a\u5f3a\u5ea630kV\/cm\uff0c0.03\u2264x\u22640.25\u65f6\uff0c0.99KNLN0.97-x<\/sub>STx<\/sub>-0.01CZ\u9676\u74f7\u5355\u6781S-E\u66f2\u7ebf\uff1b<\/p>\n

\uff08B<\/strong>\uff09\u7535\u573a\u5f3a\u5ea630kV\/cm\u65f6\uff0c\u968f\u673a\u53d6\u54110.99KNLN0.72<\/sub>ST0.25<\/sub>-0.01CZ\u9676\u74f7\u5355\u6781S-E\u66f2\u7ebf\uff1b<\/p>\n

\uff08C<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\u548c\u968f\u673a\u53d6\u5411\u9676\u74f7\u968f\u7740\u4e0d\u540cx\u53d6\u503c\u7684d33\u548cd33*\u3002<\/p>\n

\u56fe\u4e03\uff1a\u5176\u4ed6\u6d4b\u8bd5\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\u548c\u968f\u673a\u53d6\u5411\u9676\u74f7\u7684kp<\/sub>-x\u66f2\u7ebf\uff1b<\/p>\n

\uff08B<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\u5728x=0.15\u548cx=0.25\u65f6\u7684d33\u548ckp<\/sub>\u4e0e\u6e29\u5ea6\u5173\u7cfb\u66f2\u7ebf\uff1b<\/p>\n

\uff08C<\/strong>\uff09\u7ec7\u6784\u9676\u74f7\u7684\u9891\u7387-\u963b\u6297\u66f2\u7ebf\u548c\u9891\u7387-\u76f8\u4f4d\u89d2\u66f2\u7ebf\uff1b<\/p>\n

\uff08D<\/strong>\uff09\u968f\u673a\u53d6\u5411\u9676\u74f7\u7684\u9891\u7387-\u963b\u6297\u66f2\u7ebf\u548c\u9891\u7387-\u76f8\u4f4d\u89d2\u66f2\u7ebf\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1aSimultaneously enhanced piezoelectric response and piezoelectric voltage coefficient in textured KNN-based ceramics<\/a><\/strong>\uff08J. Am. Ceram. Soc.\uff0cSeptember1, 2017\uff0cDOI: 10.1111\/jace.15175\uff09<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

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