{"id":180164,"date":"2019-07-12T15:33:17","date_gmt":"2019-07-12T07:33:17","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=180164"},"modified":"2019-07-12T15:33:17","modified_gmt":"2019-07-12T07:33:17","slug":"adv-funct-mater-%e5%8d%8f%e5%90%8c%e5%ba%94%e5%8f%98%e4%b8%8b%e9%9b%b6%e6%b3%8a%e6%9d%be%e6%af%94%e6%80%81%e7%9a%84%e5%8d%95%e6%96%9c111pbtio3%e8%96%84%e8%86%9c","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=180164","title":{"rendered":"Adv. Funct. Mater.:\u534f\u540c\u5e94\u53d8\u4e0b\u96f6\u6cca\u677e\u6bd4\u6001\u7684\u5355\u659c[111]PbTiO3\u8584\u819c"},"content":{"rendered":"

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

\u5bf9\u9499\u949b\u77ff\u6c27\u5316\u7269\u529f\u80fd\u6750\u6599\u800c\u8a00\uff0c\u91c7\u7528[001]\u53d6\u5411\u5916\u5ef6\u751f\u957f\u6765\u8c03\u63a7\u76f8\u53d8\u5df2\u7ecf\u76f8\u5f53\u6210\u719f\uff0c\u8fd9\u4e5f\u5927\u5927\u63d0\u9ad8\u4e86\u9499\u949b\u77ff\u6750\u6599\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c[001]\u5916\u5ef6\u751f\u957f\u7684\u5e94\u53d8\u72b6\u6001\u4e0b\u8868\u73b0\u51fa\u6781\u9ad8\u7684\u5bf9\u79f0\u6027\uff0c\u65e0\u6cd5\u5b9e\u73b0\u7279\u6b8a\u7684\u754c\u9762\u6548\u5e94\uff0c\u7f3a\u4e4f\u9ad8\u5ea6\u5bf9\u79f0\u6027\u7834\u7f3a\u6548\u5e94\u7684\u76f8\u7ec4\u6210\u3002\u4e00\u4e9b\u7406\u8bba\u5de5\u4f5c\u53d1\u73b0\uff0c\u9664\u4e86[001]\u5916\u5ef6\uff0c\u9ad8\u6307\u6570\u8f74\u5916\u5ef6\uff0c\u5982[111]\u53d6\u5411\u5916\u5ef6\u751f\u957f\uff0c\u6709\u53ef\u80fd\u5728\u9499\u949b\u77ff\u6c27\u5316\u7269\u8584\u819c\u4e2d\u5f15\u5165\u65b0\u7684\u754c\u9762\u6548\u5e94\u3001\u65b0\u7684\u5e94\u53d8\u6001\u4ee5\u53ca\u5bf9\u79f0\u6027\u7834\u7f3a\u6548\u5e94\u3002\u5c24\u4e3a\u91cd\u8981\u7684\u662f\uff0c\u7406\u8bba\u9884\u6d4b[111] PbTiO3<\/sub>\u8584\u819c\u4e2d\u5b58\u5728\u7740\u5f88\u591a\u65b0\u578b\u54cd\u5e94\uff0c\u5982\u5e94\u53d8\u8bf1\u5bfc\u6269\u6563\u4ecb\u7535\u53cd\u5e38\u548c\u4e34\u754c\u70b9\u6548\u5e94\u3002\u6b64\u5916\uff0c\u5728[111] PbZr0.2<\/sub>Ti0.8<\/sub>O3<\/sub>\u8584\u819c\u4e2d\u8fd8\u53d1\u73b0\u901a\u8fc7\u8fde\u7eed\u94c1\u5f39\u8f6c\u53d8\u4ea7\u751f\u7684\u5f02\u5e38\u94c1\u7535\u6781\u5316\u53ef\u9006\u73b0\u8c61\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

[111]\u53d6\u5411\u7684\u9499\u949b\u77ff\u6c27\u5316\u7269\u8584\u819c\u5177\u6709\u72ec\u7279\u7684\u754c\u9762\u548c\u5bf9\u79f0\u6027\u7834\u7f3a\u6548\u5e94\uff0c\u662f\u6781\u5177\u6f5c\u529b\u7684\u65b0\u578b\u91cf\u5b50\u6750\u6599\uff08\u4f8b\u5982\u62d3\u6251\u7edd\u7f18\u4f53\u548c\u6781\u6027\u91d1\u5c5e\uff09\u3002\u7136\u800c\uff0c\u7531\u4e8e(111)\u8868\u9762\u6216\u754c\u9762\u5b58\u5728\u7684\u5f3a\u6781\u6027\u9519\u914d\u548c\u590d\u6742\u7684\u7ed3\u6784\u91cd\u6784\uff0c\u751f\u957f\u9ad8\u8d28\u91cf\u7684[111]\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\u4ecd\u7136\u6781\u5177\u6311\u6218\u6027\uff0c\u63a2\u7d22\u6240\u5f97\u7684\u7269\u7406\u6027\u8d28\u66f4\u662f\u96be\u4e0a\u52a0\u96be\u3002<\/p>\n

\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u91d1\u5c5e\u7814\u7a76\u6240<\/strong>\u7684\u9a6c\u79c0\u826f\u6559\u6388<\/strong>\u548c\u65b0\u52a0\u5761\u56fd\u7acb\u5927\u5b66<\/strong>\u7684Stephen John PENNYCOOK<\/strong>\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5408\u4f5c\uff0c\u5728Advanced Functional Materials<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cA Coherently Strained Monoclinic [111]PbTiO3 Film Exhibiting Zero Poisson\u2019s Ratio State<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u8be5\u5de5\u4f5c\u62a5\u9053\u4e86\u5728SrTiO3<\/sub>(111)\u57fa\u5e95\u4e0a\u901a\u8fc7\u8109\u51b2\u6fc0\u5149\u6c89\u79ef\uff0c\u5236\u5907\u83b7\u5f97\u539f\u5b50\u7ea7\u8868\u9762\u7684\u8d85\u8584PbTiO3<\/sub>\u8584\u819c\u7684\u4e00\u7cfb\u5217\u7814\u7a76\u6210\u679c\u3002\u9ad8\u5206\u8fa8\u626b\u63cf\u7535\u955c\u548cX\u5c04\u7ebf\u884d\u5c04\u63ed\u793a\u4e86[111] PbTiO3<\/sub>\u8584\u819c\u548c\u57fa\u5e95\u8fde\u6210\u4e00\u4f53\uff0c\u5728\u6cbf\u6240\u6709\u5e73\u9762\u65b9\u5411\u5f62\u6210\u538b\u7f29\u5e94\u53d8\uff1b\u800c\u9762\u5916\u6676\u683c\u548c\u5757\u4f53PbTiO3<\/sub>\u76f8\u6bd4\u51e0\u4e4e\u65e0\u53d8\u5316\u3002\u8fd9\u4e00\u884c\u4e3a\u5bfc\u81f4\u5355\u4f4d\u6676\u80de\u4f53\u79ef\u5b58\u57284%\u7684\u6536\u7f29\uff0c\u6cca\u677e\u6bd4\u51e0\u4e4e\u4e3a\u96f6\u3002\u94c1\u7535\u4f4d\u79fb\u5206\u5e03\u63ed\u793a\u4e86\u538b\u7f29[111]PbTiO3<\/sub>\u5b58\u5728\u5355\u659c\u626d\u8f6c\u5f62\u53d8\uff0c\u4e14\u6781\u5316\u8d85\u8fc750\u03bcC cm\u22122<\/sup>\u3002\u73b0\u6709\u7ed3\u679c\u8fdb\u800c\u88ab\u76f8\u573a\u6a21\u62df\u548c\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u8bc1\u5b9e\uff0c\u548c\u4f20\u7edf\u7684[001]\u53d6\u5411\u7684\u8584\u819c\u6709\u7740\u663e\u8457\u5dee\u5f02\u3002\u5236\u5907[111]\u5916\u5ef6\u751f\u957f\u6c27\u5316\u7269\u8584\u819c\u53ef\u80fd\u50ac\u751f\u65b0\u76f8\u5f62\u6210\uff0c\u4e3a\u672a\u6765\u7535\u5b50\u7eb3\u7c73\u5668\u4ef6\u5f00\u53d1\u63a2\u7d22\u65b0\u578b\u7269\u7406\u6027\u8d28\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe1\uff1aSrTiO3(111)\u4e0a[111] PbTiO3<\/sub>\u8584\u819c\u7684HAADF-STEM\u56fe\u50cf\u3002<\/p>\n

\"\"<\/p>\n

(a)\u6cbf<110> SrTiO3<\/sub>\u65b9\u54116nm\u539a\u7684\u8584\u819c\u4f4e\u500d\u653e\u5927\u56fe\u50cf\uff1b<\/p>\n

(b)\u6cbf<110> SrTiO3<\/sub>\u65b9\u54116nm\u539a\u7684\u8584\u819c\u9ad8\u500d\u653e\u5927\u56fe\u50cf\uff1b<\/p>\n

(c)15nm\u8584\u819c\u6cbf<110>\u6676\u5411\u89c2\u5bdf\u7684\u8868\u9762\u7ed3\u6784\uff1b<\/p>\n

(d)15nm\u8584\u819c\u6cbf<112>\u6676\u5411\u89c2\u5bdf\u7684\u8868\u9762\u7ed3\u6784\uff1b<\/p>\n

(e)15nm\u8584\u819c\u6cbf<110>\u6676\u5411\u653e\u5927\u540e\u7684\u754c\u9762\u7ed3\u6784\uff1b<\/p>\n

(f)15nm\u8584\u819c\u6cbf<112>\u6676\u5411\u653e\u5927\u540e\u7684\u754c\u9762\u7ed3\u6784\uff1b<\/p>\n

\u56fe2\uff1a\u8868\u9762\u5f62\u8c8c\u548cX\u5c04\u7ebf\u884d\u5c04\u5206\u6790\u3002<\/p>\n

\"\"<\/p>\n

(a)AFM\u56fe\u50cf\u663e\u793a6nm\u539a\u7684[111] PbTiO3<\/sub>\u8584\u819c\u7684\u8868\u9762\u5f62\u8c8c;<\/p>\n

(b)X\u5c04\u7ebf\u884d\u5c04\u7ed3\u679c\u663e\u793a\u8584\u819c\u5177\u6709\u51c6\u7acb\u65b9111\u5cf0\u3002<\/p>\n

\u56fe3\uff1a[111] PbTiO3<\/sub>\u8584\u819c\u7684\u6676\u683c\u53c2\u6570\u5206\u6790\u3002<\/p>\n

\"\"<\/p>\n

(a)6nm\u8584\u819c\u6837\u54c1\u7684\u9762\u5185\u548c\u9762\u5916\u6676\u683c\u53c2\u6570\u5206\u5e03\uff1b<\/p>\n

(b)15nm\u8584\u819c\u6837\u54c1\u7684\u9762\u5185\u548c\u9762\u5916\u6676\u683c\u53c2\u6570\u5206\u5e03\uff1b<\/p>\n

(c)15nm\u8584\u819c\u6cbf\u9762\u5916\u65b9\u5411\u7684\u5355\u4f4d\u6676\u80de\u4f53\u79ef\u5206\u5e03\u3002<\/p>\n

\u56fe4\uff1a6nm[001] PbTiO3\u8584\u819c\u7684\u539f\u5b50\u56fe\u50cf\u548c\u6676\u683c\u53c2\u6570\u5206\u6790\u3002<\/p>\n

\"\"<\/p>\n

(a)6nm[001] PbTiO3\u8584\u819c\u6cbfSrTiO3<\/sub>[010]\u6676\u5411\u7684\u539f\u5b50\u7ea7\u5206\u8fa8\u7387HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(b)[001] PbTiO3\u8584\u819c\u7684\u9762\u5185\u548c\u9762\u5916\u6676\u683c\u53c2\u6570\u5206\u5e03\u3002<\/p>\n

\u56fe5:15nmPbTiO3<\/sub>\u8584\u819c\u7684\u5012\u6613\u7a7a\u95f4\u5206\u5e03\uff08RSM\uff09\u5206\u6790\u3002<\/p>\n

\"\"<\/p>\n

(a)\u5728STO 111 Bragg\u884d\u5c04\u5cf0\u9644\u8fd1\u7684RSM\u56fe\uff1b<\/p>\n

(b)\u5728STO 132 Bragg\u884d\u5c04\u5cf0\u9644\u8fd1\u7684RSM\u56fe\uff1b<\/p>\n

(c)\u5728STO 312 Bragg\u884d\u5c04\u5cf0\u9644\u8fd1\u7684RSM\u56fe\u3002<\/p>\n

\u56fe6\uff1a\u901a\u8fc7\u51e0\u4f55\u76f8\u5206\u6790\u63d0\u53d6\u5f97\u5230\u7684\u5355\u659c\u526a\u5207\u5e94\u53d8\u3002<\/p>\n

\"\"<\/p>\n

\u56fe7\uff1a\u5728SrTiO3<\/sub>(111)\u9762\u751f\u957f\u7684\u4f4e\u5bf9\u79f0\u6027\u6781\u5316PbTiO3<\/sub>\u76f8\u3002<\/p>\n

\"\"<\/p>\n

(a)\u663e\u793aO2-<\/sup>\u5217\u76846nm[111] PbTiO3\u8584\u819c\u7684BF-STEM\u56fe\u50cf\uff0c\u4e3a\u4fbf\u4e8e\u89c2\u5bdf\u5c06\u886c\u5ea6\u53cd\u8f6c\uff0c\u7ea2\u6846\u533a\u57df\u653e\u5927\u540e\u4e3a\u5185\u63d2\u56fe\uff0c\u8868\u660eTi-O\u7684\u4f4d\u79fb\u5341\u5206\u663e\u8457\uff1b<\/p>\n

(b)6nm[111] PbTiO3<\/sub>\u8584\u819c\u7684\u5c40\u57dfPFM\u6ede\u56de\u66f2\u7ebf\uff1b<\/p>\n

(c)6nm[111] PbTiO3<\/sub>\u8584\u819c\u7684\u632f\u5e45\u4fe1\u53f7\uff1b<\/p>\n

(d)\u57fa\u4e8e\u56fe(a)\u7684Ti-O\u4f4d\u79fb\u77e2\u91cf\u5206\u5e03\u60c5\u51b5\uff1b<\/p>\n

(e)\u5728[111] PbTiO3<\/sub>\u8584\u819c\u5185\u7684Ti-O\u4f4d\u79fb\u7edf\u8ba1\u5206\u5e03\u3002<\/p>\n

\u56fe8\uff1a\u96f6\u6cca\u677e\u6bd4PbTiO3<\/sub>\u4f4e\u5bf9\u79f0\u6027\u6781\u5316\u76f8\u7684\u7406\u8bba\u8bc1\u660e\u3002<\/p>\n

\"\"<\/p>\n

(a)\u5728SrTiO3<\/sub>(111)\u57fa\u5e95\u4e0a\u5b58\u5728\u5e94\u53d8\u7684[111] PbTiO3<\/sub>\u7684\u7b2c\u4e00\u6027\u539f\u7406\u5f1b\u8c6b\u7ed3\u679c\u793a\u610f\u56fe\uff0c\u6cbf[0-11]\u65b9\u5411\u89c2\u5bdf\uff1b<\/p>\n

(b)\u5728SrTiO3<\/sub>(111)\u57fa\u5e95\u4e0a\u5b58\u5728\u5e94\u53d8\u7684[111] PbTiO3<\/sub>\u7684\u7b2c\u4e00\u6027\u539f\u7406\u5f1b\u8c6b\u7ed3\u679c\u793a\u610f\u56fe\uff0c\u6cbf[-211]\u65b9\u5411\u89c2\u5bdf\uff1b<\/p>\n

(c)6nm PbTiO3<\/sub>\u8584\u819c\u5e94\u53d8\u548c\u6781\u5316\u5206\u5e03\u7684\u76f8\u573a\u6a21\u62df\u7ed3\u679c\uff1b<\/p>\n

(d)6nm [111]PbTiO3<\/sub>\u8584\u819c\u6cbf[0-11]\u65b9\u5411\u89c2\u5bdf\u7684\u6781\u5316\u77e2\u91cf\u5206\u5e03\u56fe\uff1b<\/p>\n

(e)\u5728{110}\u5e73\u9762\u5185\u6781\u5316\u65cb\u8f6c\u7684\u793a\u610f\u56fe\u3002<\/p>\n

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

\u603b\u7684\u6765\u8bf4\uff0c\u4f5c\u8005\u901a\u8fc7\u9ad8\u6307\u6570\u57fa\u5e95\u8868\u9762\u5e94\u7528\u5bf9\u79f0\u7ea6\u675f\uff0c\u6210\u529f\u5730\u751f\u957f\u5f97\u5230\u5b8c\u5168\u8fde\u7eed\u7684[111] PbTiO3<\/sub>\u8584\u819c\uff0c\u8584\u819c\u5448\u73b0\u51fa\u6781\u7aef\u5f39\u6027\u6027\u8d28\u3001\u96f6\u6cca\u677e\u6bd4\u548c\u9ad8\u5ea6\u6781\u5316\u7684\u5355\u659c\u7ed3\u6784\u3002\u8be5\u7814\u7a76\u4e3a\u63a2\u7d22\u9499\u949b\u77ff\u6c27\u5316\u7269\u7684\u5f39\u6027\u53cd\u5e38\u53ca\u76f8\u5173\u6027\u8d28\u7684\u8d77\u6e90\u63d0\u4f9b\u4e86\u5b9e\u9a8c\u5178\u578b\u4f53\u7cfb\u2014\u2014\u9ad8\u6307\u6570\u4e8c\u7ef4\u8584\u819c\u3002\u540e\u7eed\u5bf9\u5916\u5ef6\u751f\u957f\u8584\u819c\u6216\u8d85\u6676\u683c\u7684\u5bf9\u79f0\u7ea6\u675f\u8c03\u5236\u5c06\u8fdb\u4e00\u6b65\u63ed\u793a\u65b0\u5947\u7684\u7269\u7406\u884c\u4e3a\uff0c\u4ece\u800c\u52a9\u529b\u65b0\u578b\u7eb3\u7c73\u5c3a\u5ea6\u529f\u80fd\u5668\u4ef6\u7684\u5f00\u53d1\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aA Coherently Strained Monoclinic [111]PbTiO3 Film Exhibiting Zero Poisson\u2019s Ratio State<\/a>\uff08Adv. Funct. Mater.,2019,DOI: 10.1002\/adfm.201901687\uff09<\/p>\n

\u672c\u6587\u7531Isobel\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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