{"id":267731,"date":"2025-08-02T07:31:00","date_gmt":"2025-08-01T23:31:00","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=267731"},"modified":"2025-08-02T12:31:58","modified_gmt":"2025-08-02T04:31:58","slug":"%e6%b9%96%e5%8c%97%e5%a4%a7%e5%ad%a6%e9%83%ad%e9%87%91%e6%98%8enc%ef%bc%9a%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95%e6%8f%ad%e7%a4%ba%e6%b0%a7%e7%a9%ba%e4%bd%8d%e5%af%b9%e6%97%a0%e9%93%85%e5%8e%8b%e7%94%b5","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=267731","title":{"rendered":"\u6e56\u5317\u5927\u5b66\u90ed\u91d1\u660eNC\uff1a\u7eb3\u7c73\u538b\u75d5\u63ed\u793a\u6c27\u7a7a\u4f4d\u5bf9\u65e0\u94c5\u538b\u7535\u9676\u7684\u5f3a\u97e7\u5316\u4f5c\u7528"},"content":{"rendered":"\n<p>\u94cc\u9178\u94be\u94a0\uff08K\u2080.\u2085Na\u2080.\u2085NbO\u2083, KNN\uff09\u57fa\u538b\u7535\u9676\u74f7\u56e0\u5176\u4f18\u5f02\u7684\u673a\u7535\u8f6c\u6362\u6027\u80fd\u548c\u73af\u5883\u53cb\u597d\u6027\uff0c\u5728\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u3001\u6362\u80fd\u5668\u7b49\u4f17\u591a\u9886\u57df\u626e\u6f14\u7740\u5173\u952e\u89d2\u8272\u3002\u7136\u800c\uff0c\u5176\u56fa\u6709\u7684\u8106\u6027\u95ee\u9898\u4e25\u91cd\u5236\u7ea6\u4e86\u5668\u4ef6\u7684\u53ef\u9760\u6027\u548c\u4f7f\u7528\u5bff\u547d\uff0c\u63d0\u5347\u5176\u529b\u5b66\u6027\u80fd\u5df2\u6210\u4e3a\u8be5\u9886\u57df\u7684\u91cd\u8981\u79d1\u5b66\u95ee\u9898\u3002\u7eb3\u7c73\u538b\u75d5\u6280\u672f\u4e0e\u4f20\u7edf\u5b8f\u89c2\u529b\u5b66\u6027\u80fd\u8868\u5f81\u65b9\u6cd5\u76f8\u6bd4\u5177\u6709\u5fae\u7eb3\u7c73\u5c3a\u5ea6\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\uff0c\u53ef\u4ee5\u6392\u9664\u6750\u6599\u8868\u9762\u7f3a\u9677\u5bf9\u529b\u5b66\u6027\u80fd\u6d4b\u8bd5\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u5f97\u5230\u6750\u6599\u7684\u672c\u5f81\u5fae\u89c2\u529b\u5b66\u6027\u80fd\uff0c\u9002\u7528\u4e8e\u7814\u7a76\u6750\u6599\u7684\u4f4d\u9519\u884c\u4e3a\u7b49\u5fae\u89c2\u53d8\u5f62\u673a\u5236\u3002<\/p>\n\n\n\n<p>2025\u5e747\u670831\u65e5\uff0c\u6e56\u5317\u5927\u5b66\u90ed\u91d1\u660e\u56e2\u961f\u5728Nature Communications\u53d1\u8868\u4e86\u9898\u4e3a\u201cOxygen vacancy-induced strengthening and toughening in (K,Na)NbO\u2083-based piezoceramics revealed via nanoindentation\u201d\u7684\u7814\u7a76\u8bba\u6587\uff0c\u56e2\u961f\u6210\u5458\u5f20\u5fd7\u4e1c\u4e0e\u6768\u6ee8\u4e3a\u8bba\u6587\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff0c\u6e56\u5317\u5927\u5b66\u90ed\u91d1\u660e\u3001\u5965\u5730\u5229\u79d1\u5b66\u9662\u5f20\u7076\u5229\u4e3a\u8bba\u6587\u5171\u540c\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"361\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2025\/08\/2382c315a6ba396.png\" alt=\"\" class=\"wp-image-267732\"\/><\/figure>\n\n\n\n<p>DOI: 10.1038\/s41467-025-62424-3<\/p>\n\n\n\n<p>\u968f\u7740\u73af\u4fdd\u6cd5\u89c4\u65e5\u76ca\u4e25\u683c\uff0c\u4f20\u7edf\u542b\u94c5\u538b\u7535\u9676\u74f7\u6750\u6599\u9010\u6b65\u9762\u4e34\u66ff\u4ee3\u538b\u529b\u3002\u94cc\u9178\u94be\u94a0\uff08KNN\uff09\u57fa\u538b\u7535\u9676\u74f7\u56e0\u5176\u4f18\u5f02\u7684\u538b\u7535\u6027\u80fd\u4e0e\u826f\u597d\u7684\u73af\u5883\u53cb\u597d\u6027\uff0c\u6210\u4e3a\u5f53\u524d\u6700\u5177\u5e94\u7528\u524d\u666f\u7684\u65e0\u94c5\u538b\u7535\u6750\u6599\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u4f5c\u4e3a\u5178\u578b\u7684\u9676\u74f7\u6750\u6599\uff0c\u5176\u529b\u5b66\u6027\u80fd\u8584\u5f31\uff0c\u5b58\u5728\u7740\u4e25\u91cd\u7684\u8106\u6027\u95ee\u9898\uff0c\u5bb9\u6613\u5728\u52a0\u5de5\u3001\u4f7f\u7528\u6216\u6781\u7aef\u73af\u5883\u4e2d\u53d1\u751f\u5f00\u88c2\u548c\u5931\u6548\uff0c\u6781\u5927\u9650\u5236\u4e86\u5176\u5728\u5b9e\u9645\u5668\u4ef6\u4e2d\u7684\u53ef\u9760\u6027\u4e0e\u5bff\u547d\u3002\u4f20\u7edf\u7684\u5f3a\u5316\u65b9\u6cd5\u5982\u6676\u7c92\u7ec6\u5316\u3001\u7b2c\u4e8c\u76f8\u5f25\u6563\u589e\u5f3a\u7b49\u5f80\u5f80\u4f1a\u5bfc\u81f4\u7535\u5b66\u6027\u80fd\u7684\u6025\u5267\u4e0b\u964d\u3002\u5982\u4f55\u5728\u63d0\u5347\u529b\u5b66\u6027\u80fd\u7684\u540c\u65f6\u4fdd\u7559\u751a\u81f3\u4f18\u5316\u5176\u538b\u7535\u6027\u80fd\uff0c\u662f\u957f\u671f\u56f0\u6270\u8be5\u9886\u57df\u7684\u5173\u952e\u79d1\u5b66\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u8be5\u7814\u7a76\u63d0\u51fa\u4e86\u4e00\u79cd\u201c\u901a\u8fc7\u5f15\u5165\u6c27\u7a7a\u4f4d\u8c03\u63a7\u4f4d\u9519\u884c\u4e3a\u4ee5\u5b9e\u73b0\u9676\u74f7\u5f3a\u97e7\u5316\u201d\u7684\u65b0\u7b56\u7565\u3002\u4ee5\u6539\u6027KNN\u9676\u74f7\u4f53\u7cfb[(K\u2080.\u2084\u2083Na\u2080.\u2085\u2087)\u2080.\u2089\u2084Li\u2080.\u2080\u2086][(Nb\u2080.\u2089\u2084Sb\u2080.\u2080\u2086)\u2080.\u2089\u2085Ta\u2080.\u2080\u2085]O\u2083\uff08KNLNST\uff09\u4e3a\u7814\u7a76\u5bf9\u8c61\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u786c\u6027\u63ba\u6742\u7684\u65b9\u6cd5\u5728\u9676\u74f7\u4e2d\u63ba\u5165CuO\uff0c\u6210\u529f\u5728\u9676\u74f7\u5185\u90e8\u5f15\u5165\u4e0d\u540c\u6d53\u5ea6\u7684\u6c27\u7a7a\u4f4d\uff0c\u7cfb\u7edf\u7814\u7a76\u4e86\u6c27\u7a7a\u4f4d\u5bf9KNN\u57fa\u9676\u74f7\u529b\u5b66\u6027\u80fd\u7684\u5fae\u89c2\u8c03\u63a7\u673a\u5236\u3002X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff08XPS\uff09\u548c\u7535\u5b50\u987a\u78c1\u5171\u632f\uff08EPR\uff09\u6d4b\u8bd5\u7ed3\u679c\u660e\u786e\u8868\u660e\uff0c\u968f\u7740CuO\u63ba\u6742\u91cf\u589e\u52a0\uff0c\u9676\u74f7\u4e2d\u6c27\u7a7a\u4f4d\u6d53\u5ea6\u663e\u8457\u4e0a\u5347\uff0c\u5e76\u57280.3 mol% CuO\u63ba\u6742\u6837\u54c1\u4e2d\u8fbe\u5230\u5cf0\u503c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"434\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2025\/08\/ce6e2814f207c93.png\" alt=\"\" class=\"wp-image-267733\"\/><\/figure>\n\n\n\n<p><strong>\u56fe1 \u5b8f\u89c2\u7ef4\u6c0f\u786c\u5ea6\u6d4b\u8bd5\u65b9\u6cd5\u548c\u7eb3\u7c73\u538b\u75d5\u6cd5\u7684\u5bf9\u6bd4\u4ee5\u53ca\u6c27\u7a7a\u4f4d\u6d53\u5ea6\u7684\u8868\u5f81<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u76f8\u8f83\u4e8e\u4f20\u7edf\u7684\u5b8f\u89c2\u7ef4\u6c0f\u786c\u5ea6\u6216\u5f2f\u66f2\u5f3a\u5ea6\u6d4b\u8bd5\uff0c\u7eb3\u7c73\u538b\u75d5\u6280\u672f\uff08Nanoindentation\uff09\u5177\u6709\u7eb3\u7c73\u7ea7\u7a7a\u95f4\u5206\u8fa8\u7387\u548c\u9ad8\u5ea6\u7cbe\u51c6\u7684\u8f7d\u8377\u2013\u4f4d\u79fb\u63a7\u5236\u80fd\u529b\uff0c\u80fd\u591f\u6709\u6548\u89c4\u907f\u7531\u4e8e\u6676\u754c\u3001\u6c14\u5b54\u7b49\u7ed3\u6784\u7f3a\u9677\u5e26\u6765\u7684\u5e72\u6270\uff0c\u51c6\u786e\u6d4b\u91cf\u6750\u6599\u7684\u672c\u5f81\u529b\u5b66\u6027\u80fd\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u5f15\u5165\u6c27\u7a7a\u4f4d\u540e\uff0cKNN\u57fa\u9676\u74f7\u5728\u7eb3\u7c73\u538b\u75d5\u8f7d\u5165\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u66f4\u65e9\u7684\u5f39\u5851\u8f6c\u53d8\u884c\u4e3a\uff0c\u6700\u5927\u526a\u5207\u5e94\u529b<em>\u03c4<\/em><sub>max<\/sub>\u548c\u6fc0\u6d3b\u4f53\u79ef<em>V<\/em><sup>*<\/sup>\u5747\u663e\u8457\u964d\u4f4e\u3002\u8fd9\u8868\u660e\u6c27\u7a7a\u4f4d\u663e\u8457\u964d\u4f4e\u4e86KNN\u57fa\u9676\u74f7\u4e2d\u4f4d\u9519\u6210\u6838\u4e0e\u6fc0\u6d3b\u6240\u9700\u7684\u80fd\u91cf\u52bf\u5792\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"212\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2025\/08\/7f88dbbcaa77a1d.png\" alt=\"\" class=\"wp-image-267734\"\/><\/figure>\n\n\n\n<p><strong>\u56fe2 \u4e0d\u540c\u6c27\u7a7a\u4f4d\u6d53\u5ea6\u7684KNN\u57fa\u9676\u74f7\u7684\u521d\u671f\u5851\u6027\u884c\u4e3a<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u7814\u7a76\u8fd8\u901a\u8fc7\u6052\u8f7d\u8377\u4e0b\u7684\u8815\u53d8\u884c\u4e3a\u6d4b\u8bd5\u53d1\u73b0\uff0c\u6c27\u7a7a\u4f4d\u6d53\u5ea6\u9ad8\u7684\u6837\u54c1\u7684\u8815\u53d8\u5e94\u529b\u6307\u6570<em>n<\/em>\u663e\u8457\u5347\u9ad8\uff0c\u7a33\u6001\u5e94\u53d8\u901f\u7387<img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"31\" src=\"\">\u660e\u663e\u964d\u4f4e\uff0c\u8bf4\u660e\u5176\u5bf9\u5851\u6027\u5f62\u53d8\u7684\u62b5\u6297\u529b\u66f4\u5f3a\u3002\u6c27\u7a7a\u4f4d\u6d53\u5ea6\u6700\u9ad8\u7684\u6837\u54c1\u7eb3\u7c73\u538b\u75d5\u786c\u5ea6\u4e5f\u540c\u6837\u4f18\u4e8e\u539f\u59cb\u6837\u54c1\uff0c\u663e\u793a\u51fa\u4f18\u5f02\u7684\u5f3a\u5316\u6548\u679c\u3002\u503c\u5f97\u5f3a\u8c03\u7684\u662f\uff0c\u5728\u6c27\u7a7a\u4f4d\u5e26\u6765\u5fae\u89c2\u529b\u5b66\u5f3a\u5316\u7684\u540c\u65f6\uff0c\u6750\u6599\u7684\u5b8f\u89c2\u529b\u5b66\u6027\u80fd\u4e5f\u5f97\u5230\u4e86\u540c\u6b65\u63d0\u5347\uff1a\u6c27\u7a7a\u4f4d\u6d53\u5ea6\u6700\u9ad8\u7684\u6837\u54c1\u7684\u5f2f\u66f2\u5f3a\u5ea6\u63d0\u5347\u81f3226.3 MPa\uff0c\u65ad\u88c2\u97e7\u6027\u63d0\u5347\u81f32.12 MPa\u00b7m\u00b9<sup>\/<\/sup>\u00b2\uff0c\u8fdc\u9ad8\u4e8e\u539f\u59cb\u6837\u54c1\u3002\u8fd9\u4e00\u201c\u5fae\u89c2\u2013\u5b8f\u89c2\u201d\u5c3a\u5ea6\u534f\u540c\u589e\u5f3a\u7684\u6210\u679c\u5145\u5206\u9a8c\u8bc1\u4e86\u6c27\u7a7a\u4f4d\u8bf1\u5bfc\u7684\u5f3a\u5316\u673a\u5236\u5728\u4e0d\u540c\u5c3a\u5ea6\u4e0a\u7684\u4e00\u81f4\u6027\u4e0e\u6709\u6548\u6027\u3002\u540c\u65f6\uff0c\u6c27\u7a7a\u4f4d\u5f15\u5165\u540e\u53cd\u800c\u964d\u4f4e\u4e86\u4ecb\u7535\u635f\u8017\uff0c\u63d0\u9ad8\u4e86\u673a\u68b0\u54c1\u8d28\u56e0\u6570<em>Q<\/em><sub>m<\/sub>\u3002\u5728\u5f3a\u5316\u529b\u5b66\u6027\u80fd\u7684\u540c\u65f6\uff0c\u9676\u74f7\u4f9d\u7136\u4fdd\u6301\u4e86\u4f18\u5f02\u7684\u538b\u7535\u6027\u80fd\uff0c\u4f53\u73b0\u51fa<strong>\u529b<\/strong><strong>&#8211;<\/strong><strong>\u7535\u534f\u540c\u4f18\u5316<\/strong>\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"377\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2025\/08\/4e9a0ba2491dfde.png\" alt=\"\" class=\"wp-image-267735\"\/><\/figure>\n\n\n\n<p><strong>\u56fe3 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