{"id":262579,"date":"2024-09-17T06:49:35","date_gmt":"2024-09-16T22:49:35","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=262579"},"modified":"2024-09-16T22:02:24","modified_gmt":"2024-09-16T14:02:24","slug":"%e6%a1%82%e6%9e%97%e7%90%86%e5%b7%a5%e5%be%90%e5%86%9b%e5%8f%a4acta-materialia-ga-mo%e5%85%b1%e6%8e%ba%e6%9d%82%e7%a8%b3%e5%ae%9a%e7%9a%84%e5%9b%9b%e6%96%b9lanbo4%e6%9d%90%e6%96%99%e7%9a%84%e9%ab%98","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=262579","title":{"rendered":"\u6842\u6797\u7406\u5de5\u5f90\u519b\u53e4Acta Materialia: Ga\/Mo\u5171\u63ba\u6742\u7a33\u5b9a\u7684\u56db\u65b9LaNbO4\u6750\u6599\u7684\u9ad8\u6d53\u5ea6\u6c27\u7a7a\u4f4d\u53ca\u7535\u5bfc\u7387\u63d0\u5347"},"content":{"rendered":"<p>\u7b2c\u4e00\u4f5c\u8005\uff1a\u6bb5\u5c0f\u65ed\uff08\u6842\u6797\u7406\u5de5\u5927\u5b66\uff09<\/p>\n<p>\u901a\u8baf\u4f5c\u8005\uff1a\u4f55\u4f26\u534e\uff08\u4e2d\u56fd\u6563\u88c2\u4e2d\u5b50\u6e90\uff0c\u4e1c\u839e\uff09\uff0c\u5510\u660e\u5b66\uff08\u5317\u4eac\u79d1\u6280\u5927\u5b66\uff09\uff0c\u5f90\u519b\u53e4\uff08\u6842\u6797\u7406\u5de5\u5927\u5b66\uff09<\/p>\n<p>\u8bba\u6587DOI\uff1a<a href=\"https:\/\/doi.org\/10.1016\/j.actamat.2024.120345\">https:\/\/doi.org\/10.1016\/j.actamat.2024.120345<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262582\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/1-12.png\" alt=\"\" width=\"426\" height=\"311\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/1-12.png 426w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/1-12-300x219.png 300w\" sizes=\"(max-width: 426px) 100vw, 426px\" \/><\/p>\n<p><strong>\u5168\u6587\u901f\u89c8<\/strong>\uff1a\u672c\u6587\u62a5\u9053\u4e86\u901a\u8fc7\u5728Nb\u4f4d\u4e0a\u7b49\u6469\u5c14Ga\u548cMo\u5171\u63ba\u6742\uff0c\u5728LaNbO<sub>4<\/sub>\u4e2d\u5b9e\u73b0\u4e86\u7531\u6c27\u7a7a\u4f4d\u4f20\u5bfc\u7684\u9ad8\u6c27\u79bb\u5b50\u7535\u5bfc\u7387\uff0c\u4f8b\u5982\u5728900 \u00baC\u4e0b\u4e3a3\u00d710<sup>\u2212<\/sup><sup>3<\/sup> S cm<sup>-1<\/sup>\u3002\u8fd9\u79cd\u5171\u63ba\u6742\u53ef\u4ee5\u6709\u6548\u5730\u5c06\u9ad8\u6e29\u56db\u65b9\u76f8LaNbO<sub>4<\/sub>\u7a33\u5b9a\u81f3\u5ba4\u6e29\u3002\u901a\u8fc7\u8ba1\u7b97\u6a21\u62df\uff0c\u6df1\u5165\u7814\u7a76\u4e86\u6c27\u7a7a\u4f4d\u7f3a\u9677\u7684\u5c40\u57df\u7ed3\u6784\u548c\u5bfc\u7535\u673a\u5236\u3002\u7ed3\u679c\u8868\u660e\uff0c\u6c27\u7a7a\u4f4d\u662f\u901a\u8fc7\u5c06\u4e24\u4e2a\u76f8\u90bb\u7684\u5b64\u7acbNbO<sub>4<\/sub>\u56db\u9762\u4f53\u8f6c\u53d8\u4e3a\u4e00\u4e2a\u5171\u9876\u89d2\u7684Nb<sub>2<\/sub>O<sub>7<\/sub>\u5355\u5143\u6765\u5bb9\u7eb3\u7684\uff0c\u6c27\u79bb\u5b50\u7684\u8fc1\u79fb\u662f\u901a\u8fc7Nb<sub>2<\/sub>O<sub>7<\/sub>\u5355\u5143\u7684\u65ad\u88c2\u548c\u91cd\u6574\u4ee5\u53ca\u5176\u4ed6\u76f8\u90bbNbO<sub>4<\/sub>\u56db\u9762\u4f53\u7684\u534f\u540c\u65cb\u8f6c\u548c\u53d8\u5f62\u6765\u5b8c\u6210\u7684\u3002\u8fd9\u4e9b\u7814\u7a76\u7ed3\u679c\u4f7fLaNbO<sub>4<\/sub>\u57fa\u6750\u6599\u6709\u671b\u6210\u4e3a\u65b0\u578b\u6c27\u7a7a\u4f4d\u4f20\u5bfc\u7684\u6c27\u79bb\u5b50\u5bfc\u4f53\uff0c\u5e76\u4e3aSOFC\u7684\u53d1\u5c55\u63d0\u4f9b\u4e86\u65b0\u7684\u89c6\u89c9\u548c\u79d1\u5b66\u673a\u5236\u3002<\/p>\n<p><strong>\u80cc\u666f\u4ecb\u7ecd\uff1a<\/strong>\u56fa\u4f53\u6c27\u5316\u7269\u71c3\u6599\u7535\u6c60(SOFC)\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6548\u7684\u80fd\u6e90\u8f6c\u6362\u88c5\u7f6e\uff0c\u56e0\u5177\u6709\u9ad8\u6548\u7387\u3001\u73af\u5883\u53cb\u597d\u548c\u71c3\u6599\u7075\u6d3b\u7b49\u4f18\u70b9\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\u3002\u6839\u636e\u7535\u89e3\u8d28\u7684\u7c7b\u578b\uff0c\u53ef\u4ee5\u5c06\u5176\u5927\u81f4\u5206\u4e3a\u6c27\u79bb\u5b50\u4f20\u5bfc\u578b\uff08O-SOFC\uff09\u548c\u8d28\u5b50\u4f20\u5bfc\u578b\uff08P-SOFC\uff09\u3002\u76ee\u524d\u5546\u4e1a\u4e0a\u6700\u5e38\u7528\u7684\u7535\u89e3\u8d28\u662f\u6c27\u5316\u9487\u7a33\u5b9a\u7684\u8424\u77f3\u6c27\u5316\u9506\uff08YSZ\uff09\u6750\u6599\uff0c\u7136\u800c\uff0c\u5176\u4ec5\u5728700 \u00baC\u4ee5\u4e0a\u7684\u9ad8\u6e29\u6761\u4ef6\u4e0b\u624d\u80fd\u8868\u73b0\u51fa\u9ad8\u7684\u6c27\u79bb\u5b50\u4f20\u5bfc\u6027\uff0c\u8fd9\u7ed9SOFC\u7684\u5176\u5b83\u90e8\u4ef6\u6750\u6599\u7684\u9009\u62e9\u5e26\u6765\u4e86\u6311\u6218\uff0c\u4f7f\u5f97\u5236\u5907\u5de5\u827a\u53d8\u5f97\u590d\u6742\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u5c06 O-SOFC\u7684\u5de5\u4f5c\u6e29\u5ea6\u964d\u4f4e\u5230\u4f4e\u6e29\u548c\u4e2d\u6e29\uff08300-700 \u00baC\uff09\uff0c\u4eba\u4eec\u5728\u8bb8\u591a\u65b0\u7684\u7ed3\u6784\u65cf\u4e2d\u53d1\u73b0\u4e86\u79bb\u5b50\u5bfc\u4f53\u3002LaNbO<sub>4<\/sub>\u57fa\u6750\u6599\u7684\u8d28\u5b50\u5bfc\u7535\u6027\u80fd\u6700\u65e9\u7531Truls\u00a0Norby\u6559\u6388\u4e8e2006\u5e74\u62a5\u9053\u53d1\u8868\u5728Nature\u00a0Materials\u671f\u520a(Nature\u00a0Materials,\u00a02006,5,193-196)\u3002\u76f8\u8f83\u4e8e\u542b\u78b1\u571f\u91d1\u5c5e\u7684Ba(Ce\/Zr)O<sub>3<\/sub>\u57fa\u6750\u6599\uff0cLaNbO<sub>4<\/sub>\u57fa\u6750\u6599\u5728CO<sub>2<\/sub>\u53caH<sub>2<\/sub>O\u73af\u5883\u4e2d\u5177\u6709\u660e\u663e\u66f4\u597d\u7684\u5316\u5b66\u7a33\u5b9a\u6027\u3002\u7136\u800c,\u8be5\u6750\u6599\u7684\u8d28\u5b50\u7535\u5bfc\u7387\u76f8\u5bf9\u8f83\u4f4e\uff0c900\u2103\u4e0b\u7ea6\u4e3a10<sup>-3<\/sup>\u00a0S\/cm\u3002\u540c\u65f6,\u6bcd\u4f53LaNbO<sub>4<\/sub>\u6750\u6599\u5728500\u2103 \u9644\u8fd1\u5b58\u5728\u7269\u76f8\u8f6c\u53d8, \u4f4e\u6e29\u4e0b\u4e3a\u5355\u659c\u7269\u76f8\uff0c\u9ad8\u6e29\u4e0b\u4e3a\u56db\u65b9\u7269\u76f8\uff0c\u4e14\u5355\u659c\u7269\u76f8\u7684\u7535\u5bfc\u7387\u660e\u663e\u4f4e\u4e8e\u56db\u65b9\u76f8\u3002\u6b64\u5916\uff0c\u7269\u76f8\u8f6c\u53d8\u5bb9\u6613\u5bfc\u81f4\u4ee5\u5176\u4f5c\u4e3a\u7535\u89e3\u8d28\u65f6\u4e0e\u7535\u6781\u6750\u6599\u4e4b\u95f4\u70ed\u81a8\u80c0\u7cfb\u6570\u5931\u914d\u3002\u4e3a\u4e86\u63d0\u9ad8LaNbO<sub>4<\/sub>\u6750\u6599\u7684\u8d28\u5b50\u7535\u5bfc\u7387\uff0c\u53ef\u5bf9\u5176\u8fdb\u884c\u53d7\u4e3b\u63ba\u6742\u4ece\u800c\u63d0\u9ad8\u6c27\u7a7a\u4f4d\u7684\u6d53\u5ea6\u4ee5\u63d0\u9ad8\u8d28\u5b50\u7535\u5bfc\u7387\uff0c\u7136\u800c\u5f53\u524d\u5df2\u89c1\u62a5\u9053\u7684\u5bf9\u8be5\u6750\u6599\u7684\u53d7\u4e3b\u63ba\u6742\u7684\u56fa\u6eb6\u5ea6\u90fd\u975e\u5e38\u4f4e\uff0c\uff1c3%\uff0c\u56e0\u6b64\u8d28\u5b50\u7535\u5bfc\u7387\u63d0\u9ad8\u6709\u9650\u3002\u800c\u5bf9\u4e8e\u7269\u76f8\u8f6c\u53d8\u7684\u6291\u5236\uff0c\u7b49\u4ef7\u6216\u9ad8\u4ef7\u63ba\u6742\uff08\u5982La\u4f4d\u63baTb\u6216Pr\uff0cNb\u4f4d\u63baAs\u3001Sb\u3001V\u3001Ta\uff0c\u6216W\u3001Mo\uff09\u88ab\u62a5\u9053\u80fd\u591f\u6709\u6548\u7684\u5c06\u9ad8\u6e29\u56db\u65b9\u7269\u76f8\u7a33\u5b9a\u81f3\u5ba4\u6e29\u3002\u56e0\u6b64\uff0c\u63d0\u5347\u6c27\u7a7a\u4f4d\u6d53\u5ea6\u4ee5\u63d0\u9ad8\u5176\u8d28\u5b50\u7535\u5bfc\u7387\u7684\u540c\u65f6\u6291\u5236\u76f8\u53d8\u6765\u63d0\u5347\u5176\u7a33\u5b9a\u6027\u662fLaNbO<sub>4<\/sub>\u6750\u6599\u5f53\u524d\u9762\u4e34\u7684\u91cd\u8981\u6311\u6218\u3002<\/p>\n<p><strong>\u7814\u7a76\u5185\u5bb9\uff1a<\/strong>\u8be5\u7814\u7a76\u9996\u6b21\u8bbe\u8ba1\u4e86Ga\u548cMo\u7b49\u6469\u5c14\u5171\u63ba\u6742\u7684LaNb<sub>1-2x<\/sub>Ga<sub>x<\/sub>Mo<sub>x<\/sub>O<sub>4-0.5x<\/sub>\u6750\u6599\uff0c\u76ee\u7684\u662f\u901a\u8fc7\u8865\u507f\u673a\u5236\u5f15\u5165\u6c27\u7a7a\u4f4d\u3002\u7ed3\u679c\u8868\u660e\uff0c\u5728Nb\u4f4d\u63ba\u6742Ga\u548cMo\u5177\u6709\u8f83\u9ad8\u7684\u56fa\u6eb6\u5ea6\uff08<em>x<\/em><sub>max<\/sub>= 0.2\uff09\uff0c\u5e76\u4e14\u5f53<em>x<\/em> = 0.2\u65f6\uff0cLaNbO<sub>4<\/sub>\u7684\u56db\u65b9\u76f8\u53ef\u4ee5\u5f88\u597d\u5730\u7a33\u5b9a\u5230\u5ba4\u6e29\u3002\u66f4\u6709\u8da3\u7684\u662f\uff0c\u5c3d\u7ba1Ga\u548cMo\u7684\u7b49\u6469\u5c14\u6bd4\u5171\u63ba\u6742\u4ea7\u751f\u4e86\u8fc4\u4eca\u4e3a\u6b62\u62a5\u9053\u7684\u6700\u9ad8\u6c27\u7a7a\u4f4d\u6d53\u5ea6\u7684LaNbO<sub>4<\/sub>\u57fa\u6750\u6599\uff0c\u4f46\u8fd9\u4e9b\u6750\u6599\u5e76\u672a\u8868\u73b0\u51fa\u660e\u663e\u7684\u8d28\u5b50\u5bfc\u7535\u884c\u4e3a\uff0c\u5728400-700 \u00baC\u7684\u4e2d\u6e29\u533a\u57df\u5185\u4e3a\u6df7\u5408\u7684\u6c27\u7a7a\u4f4d\u2212\u7535\u5b50\u5bfc\u7535\u3002\u901a\u8fc7\u8ba1\u7b97\u6a21\u62df\uff0c\u6df1\u5165\u7814\u7a76\u4e86\u6c27\u7a7a\u4f4d\u7f3a\u9677\u7684\u5c40\u57df\u7ed3\u6784\u548c\u5bfc\u7535\u673a\u5236\u3002<\/p>\n<p><strong>\u672c\u6587\u4eae\u70b9\uff1a<\/strong><\/p>\n<p>(1) \u968f\u7740Ga\u548cMo\u542b\u91cf\u7684\u589e\u52a0\uff0c\u76f8\u8f6c\u53d8\u6e29\u5ea6\u7ebf\u6027\u964d\u4f4e\uff0c\u5f53<em>x<\/em> = 0.2\u65f6\uff0cLaNbO<sub>4<\/sub>\u57fa\u6750\u6599\u7684\u56db\u65b9\u76f8\u53ef\u4ee5\u7a33\u5b9a\u81f3\u5ba4\u6e29\u3002<\/p>\n<p>(2) LaNb<sub>0.6<\/sub>Ga<sub>0.2<\/sub>Mo<sub>0.2<\/sub>O<sub>3.9<\/sub>\u7684\u603b\u7535\u5bfc\u7387\u5728900 \u00b0C\u4e0b\u5728\u5e72\u71e5\u548c\u6e7fN<sub>2<\/sub>\u4e2d\u6bd4\u7eafLaNbO<sub>4<\/sub>\u9ad8\u7ea61.5\u4e2a\u6570\u91cf\u7ea7\uff0c\u5728\u5e72\u71e5N<sub>2<\/sub>\u4e2d\u8fbe\u52302.75 \u00d7 10<sup>-3<\/sup> S cm<sup>-1<\/sup>\uff0c\u5e76\u4e14\uff0c\u5728400-700 \u00b0C\u7684\u4e2d\u6e29\u533a\uff0c\u6c27\u79bb\u5b50\u5bfc\u7535\u5360\u4e3b\u5bfc\u5730\u4f4d\uff0c\u5728N<sub>2<\/sub>\u6c14\u6c1b\u4e0b\u6c27\u79bb\u5b50\u8fc1\u79fb\u6570\u4e3a~0.73-0.53\uff0c\u5728O<sub>2<\/sub>\u6c14\u6c1b\u4e0b\u6c27\u79bb\u5b50\u8fc1\u79fb\u6570\u4e3a~0.868-0.642\u3002<\/p>\n<p>(3) \u901a\u8fc7\u8ba1\u7b97\u6a21\u62df\u63ed\u793a\u4e86\u6750\u6599\u4e2d\u6c27\u7a7a\u4f4d\u7684\u5c40\u57df\u7ed3\u6784\u548c\u8fc1\u79fb\u673a\u5236\u3002\u6c27\u7a7a\u4f4d\u662f\u901a\u8fc7\u5c06\u4e24\u4e2a\u76f8\u90bb\u7684NbO<sub>4<\/sub>\u56db\u9762\u4f53\u8f6c\u53d8\u4e3aNb<sub>2<\/sub>O<sub>7<\/sub>\u4e8c\u805a\u4f53\u6765\u5bb9\u7eb3\u7684\uff0c\u5e76\u901a\u8fc7Nb<sub>2<\/sub>O<sub>7<\/sub>\u4e8c\u805a\u4f53\u7684\u4e0d\u65ad\u65ad\u88c2\u548c\u91cd\u6574\u6765\u4f20\u8f93\u7684\u3002<\/p>\n<p><strong>\u56fe\u6587\u89e3\u6790\uff1a<\/strong><\/p>\n<p>XRD\u884d\u5c04\u56fe\u8c31\uff08\u56fe1a\uff09\u8868\u660e\uff0c\u5f530 \u2264 <em>x<\/em> \u2264 0.2\u65f6\uff0c\u6837\u54c1\u7531\u5355\u659c\u76f8\uff080 \u2264 <em>x<\/em> \u2264 0.15\uff09\u9010\u6e10\u8f6c\u53d8\u4e3a\u56db\u65b9\u76f8\uff08<em>x<\/em> = 0.2\uff09\u3002\u968f\u7740Ga\u548cMo\u63ba\u6742\u91cf\u7684\u589e\u52a0\uff0c\uff081(\u2014)21\uff09\u548c\uff08121\uff09\u5cf0\u9010\u6e10\u5408\u5e76\u4e3a\uff08112\uff09\u884d\u5c04\u5cf0\uff0c\u5e76\u4f34\u968f\u7740\u5355\u659c\u76f8\u7684XRD\u56fe\u8c31\u4e2d\uff08130\uff09\u5cf0\u7684\u6d88\u5931\uff0c\u5f53<em> x<\/em> = 0.2\u65f6\u5b8c\u5168\u8f6c\u53d8\u4e3a\u56db\u65b9\u76f8\uff08\u56fe1b\uff09\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262583\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/2-10.png\" alt=\"\" width=\"957\" height=\"374\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/2-10.png 957w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/2-10-300x117.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/2-10-768x300.png 768w\" sizes=\"(max-width: 957px) 100vw, 957px\" \/><\/p>\n<p>\u56fe1. (a)LaNb<sub>1-2<em>x<\/em><\/sub>Ga<em><sub>x<\/sub><\/em>Mo<em><sub>x<\/sub><\/em>O<sub>4 -0.5<em>x<\/em><\/sub>\uff080 \u2264 <em>x<\/em> \u2264 0.3\uff09\u6837\u54c1\u7684XRD\u56fe\u8c31;\uff08b\uff09LaNb<sub>1-2<em>x<\/em><\/sub>Ga<em><sub>x<\/sub><\/em>Mo<em><sub>x<\/sub><\/em>O<sub>4-0.5<em>x<\/em><\/sub>\uff080 \u2264 <em>x<\/em> \u2264 0.2\uff09\u6837\u54c1\u768426\u00b0-30\u00b0\uff082\u03b8\uff09\u533a\u57df\u7684\u5c40\u90e8\u6269\u5927\u56fe\u3002<\/p>\n<p>\u6750\u6599\u7684\u70ed\u81a8\u80c0\u66f2\u7ebf\uff08\u56fe2\uff09\u53ef\u4ee5\u770b\u51fa\uff0c\u5f53<em>x<\/em> \u2264 0.15\u65f6\uff0c\u53ef\u4ee5\u5728\u5176\u56fe\u4e2d\u89c2\u5bdf\u5230\u62d0\u70b9\uff08\u56fe2a\uff09\uff0c\u8fd9\u4e9b\u62d0\u70b9\u53ef\u4ee5\u6307\u8ba4\u4e3a\u76f8\u53d8\u6e29\u5ea6\uff0c\u4f4e\u4e8e\u548c\u9ad8\u4e8e\u8be5\u6e29\u5ea6\u65f6\uff0c\u6750\u6599\u8868\u73b0\u51fa\u5bf9\u5e94\u4e8e\u4e0d\u540c\u70ed\u81a8\u80c0\u7cfb\u6570\uff08TEC\uff09\u7684\u4e0d\u540c\u659c\u7387\u3002\u76f8\u53d8\u6e29\u5ea6\u4ece500 \u00baC\uff08<em>x<\/em> = 0\uff09\u964d\u4f4e\u81f3150 \u00baC\uff08<em>x<\/em> = 0.15\uff09\uff0c\u5982\u56fe2b\u6240\u793a\u3002\u800cLaNb<sub>0.6<\/sub>Ga<sub>0.2<\/sub>Mo<sub>0.2<\/sub>O<sub>3.9<\/sub>\u6750\u6599\u7684\u659c\u7387\u5728\u6240\u6d4b\u91cf\u7684\u6e29\u5ea6\u533a\u57df\u4e2d\u51e0\u4e4e\u4fdd\u6301\u6052\u5b9a\uff0c\u518d\u6b21\u8bc1\u660e\u4e86\u6837\u54c1<em>x<\/em> = 0.2\u5728\u5ba4\u6e29\u4e0b\u5177\u6709\u56db\u65b9\u7ed3\u6784\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262584\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/3-10.png\" alt=\"\" width=\"798\" height=\"356\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/3-10.png 798w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/3-10-300x134.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/3-10-768x343.png 768w\" sizes=\"(max-width: 798px) 100vw, 798px\" \/><\/p>\n<p>\u56fe2. (a)LaNb<sub>1-2<em>x<\/em><\/sub>Ga<em><sub>x<\/sub><\/em>Mo<em><sub>x<\/sub><\/em>O<sub>4-0.5<em>x<\/em><\/sub>\uff080 \u2264 <em>x<\/em> \u2264 0.2\uff09\u6837\u54c1\u7684\u70ed\u81a8\u80c0\u884c\u4e3a;\uff08b\uff09LaNb<sub>1-2<em>x<\/em><\/sub>Ga<em><sub>x<\/sub><\/em>Mo<em><sub>x<\/sub><\/em>O<sub>4-0.5<em>x<\/em><\/sub>\uff080 \u2264 <em>x<\/em> \u2264 0.15\uff09\u6837\u54c1\u7684\u76f8\u53d8\u6e29\u5ea6\u4e0eGa\u548cMo\u63ba\u6742\u91cf\u7684\u5173\u7cfb\u66f2\u7ebf\u3002<\/p>\n<p><em>x<\/em> = 0\u30010.1\u548c0.2\u6837\u54c1\u7684\u4e2d\u5b50\u7c89\u672b\u884d\u5c04\uff08NPD\uff09\u6570\u636e\u7684Rietveld\u7cbe\u4fee\u8868\u660e\uff08\u56fe3\uff09\uff0c\u6bcd\u4f53LaNbO<sub>4<\/sub>\u6837\u54c1\u51e0\u4e4e\u6ca1\u6709\u6c27\u7f3a\u9677\uff0c\u800c\u5f53<em>x<\/em> = 0.1\u548c0.2\u65f6\uff0c\u6837\u54c1\u5728\u6c27\u4f4d\u70b9\u4e0a\u8868\u73b0\u51fa\u660e\u663e\u975e\u6ee1\u5360\u636e\uff0c\u7cbe\u4fee\u5f97\u5230\u7684<em>x<\/em> = 0.1\u30010.2\u6837\u54c1\u6210\u5206\u4e3aLaNb<sub>0.7914<\/sub>(1)Ga<sub>0.0972<\/sub>(1)O<sub>3.944<\/sub>(1)\u548cLaNb<sub>0.5964<\/sub>(1)Ga<sub>0.1933<\/sub>(1)Mo<sub>0.2104<\/sub>(1)O<sub>3.876<\/sub>(2)\uff0c\u4e0e\u8bbe\u8ba1\u7684\u76ee\u6807\u7ec4\u6210\u63a5\u8fd1\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262585\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/4-10.png\" alt=\"\" width=\"1039\" height=\"867\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/4-10.png 1039w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/4-10-300x250.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/4-10-768x641.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/4-10-1024x854.png 1024w\" sizes=\"(max-width: 1039px) 100vw, 1039px\" \/><\/p>\n<p>\u56fe3.\uff08a\uff09<em>x<\/em> = 0\u3001\uff08b\uff09<em>x<\/em> = 0.1\u548c\uff08c\uff09<em>x<\/em> = 0.2\u6837\u54c1\u7684\u4e2d\u5b50\u7c89\u672b\u884d\u5c04\u6570\u636e\u7684Rietveld\u56fe\u3002<\/p>\n<p>\u5c40\u57df\u7ed3\u6784\u56fe\uff08\u56fe4\uff09\u8868\u660e\uff0c\u5728\u5f15\u5165\u6c27\u7a7a\u4f4d\u4e4b\u524d\uff0c\u4e00\u4e2aNbO<sub>4<\/sub>\u56db\u9762\u4f53\uff08\u4f8b\u5982\u56fe4a\u4e2d\u7684Nb1O<sub>4<\/sub>\uff09\u4e2d\u7684Nb\u539f\u5b50\u4e0e\u76f8\u90bbNbO<sub>4<\/sub>\u56db\u9762\u4f53\uff08\u4f8b\u5982Nb3O<sub>4<\/sub>\uff09\u4e2d\u7684\u6c27\u539f\u5b50\uff08\u4f8b\u5982O5\u539f\u5b50\uff09\u4e4b\u95f4\u7684\u6700\u8fd1\u8ddd\u79bb\u7ea6\u4e3a2.94 \u00c5\u3002\u5f15\u5165\u6c27\u7a7a\u4f4d\u4e4b\u540e\uff0c\u4f8b\u5982\u4e0eLa1\u3001La2\u548cNb1\u539f\u5b50\u914d\u4f4d\u7684O1\uff0c\u6700\u7ec8\u5f1b\u8c6b\u540e\u7684\u5c40\u57df\u7ed3\u6784\uff08\u56fe4b\uff09\u8868\u660e\uff0cO5\u539f\u5b50\u5c06\u88abNb1\u539f\u5b50\u5f3a\u70c8\u9759\u7535\u5438\u5f15\uff0c\u5e76\u5c06Nb1-O5\u8ddd\u79bb\u4ece\u6bcd\u4f53\u7ed3\u6784\u4e2d\u76842.941 \u00c5\u663e\u8457\u7f29\u77ed\u81f31.952 \u00c5\uff0c\u800cNb3-O5\u8ddd\u79bb\u4ece\u539f\u6765\u76841.85 \u00c5\u5ef6\u957f\u52301.95 \u00c5\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262586\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/5-8.png\" alt=\"\" width=\"711\" height=\"711\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/5-8.png 711w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/5-8-150x150.png 150w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/5-8-300x300.png 300w\" sizes=\"(max-width: 711px) 100vw, 711px\" \/><\/p>\n<p>\u56fe4. \u6bcd\u4f53\uff08a\uff09\u548c\u542b\u6c27\u7a7a\u4f4d\u7684LaNbO<sub>4<\/sub>\u6750\u6599\uff08b\uff09\u7684\u5c40\u57df\u7ed3\u6784\u6bd4\u8f83\u3002Ga\u548cMo\u5171\u63ba\u6742LaNbO<sub>4<\/sub>\u6750\u6599\u4e2d\uff08c\uff09GaO<sub>4<\/sub>\u548c\uff08d\uff09MoO<sub>4<\/sub>\u56db\u9762\u4f53\u7684\u5c40\u57df\u7ed3\u6784\u3002<\/p>\n<p>\u56fe5a\u548c\u56fe5b\u5206\u522b\u663e\u793a\u4e86LaNb<sub>1-2<em>x<\/em><\/sub>Ga<em><sub>x<\/sub><\/em>Mo<em><sub>x<\/sub><\/em>O<sub>4-0.5<em>x<\/em><\/sub>\uff080 \u2264 <em>x<\/em> \u2264 0.2\uff09\u5728\u5e72\u71e5\u548c\u6e7f\u6da6N<sub>2<\/sub>\u73af\u5883\u4e0b\u603b\u7535\u5bfc\u7387\u7684Arrhenius\u66f2\u7ebf\u3002\u53ef\u4ee5\u770b\u51fa\uff0c\u5728\u6574\u4e2a\u7814\u7a76\u7684\u6e29\u5ea6\u8303\u56f4\u5185\uff0c\u901a\u8fc7Ga\u548cMo\u90e8\u5206\u53d6\u4ee3Nb\uff0c\u7535\u5bfc\u7387\u663e\u8457\u63d0\u9ad8\uff0c\u6bd4\u6bcd\u4f53\u6750\u6599\u9ad81.5\u4e2a\u6570\u91cf\u7ea7\u4ee5\u4e0a\u3002\u5728\u6bcd\u4f53\u6750\u6599\u7684\u7535\u5bfc\u7387\u56fe\u4e2d\uff0c\u89c2\u5bdf\u5230\u5728520 \u00b0C\u9644\u8fd1\u659c\u7387\u51fa\u73b0\u660e\u663e\u7684\u53d8\u5316\uff0c\u53ef\u4ee5\u5f52\u56e0\u4e8e\u5355\u659c\u76f8\u5230\u56db\u65b9\u76f8\u7684\u76f8\u53d8\u3002\u56fe5c\u548c\u56fe5d\u5206\u522b\u4e3a\u6837\u54c1\u5728\u5e72\u71e5N<sub>2<\/sub>\u73af\u5883\u4e0b500 \u00b0C\u548c800 \u00b0C\u65f6\u7684\u590d\u963b\u6297\u56fe\uff0c\u53ef\u4ee5\u89c2\u5bdf\u5230\u5728500 \u00b0C\u4e0b\uff0c\u8be5\u6837\u54c1\u5177\u6709\u7535\u5bb9\u503c\u5927\u4e8e10<sup>-7<\/sup> F\/cm\u7684\u7535\u6781\u54cd\u5e94\uff0c\u800c\u4e14\u7535\u6781\u54cd\u5e94\u5411\u4e0a\u503e\u659c\u7684\u8d8b\u52bf\u660e\u663e\uff0c\u5f3a\u70c8\u8868\u660e\u6750\u6599\u4e2d\u4e3b\u8981\u4e3a\u79bb\u5b50\u4f20\u5bfc\uff0c\u5e76\u4e14\u53ef\u80fd\u5f52\u56e0\u4e8e\u6c27\u7a7a\u4f4d\u7f3a\u9677\u7684\u8fc1\u79fb\uff0c800 \u00b0C\u7684\u590d\u963b\u6297\u56fe\u4e2d\u7684\u7535\u6781\u54cd\u5e94\u5c16\u5cf0\u5c3e\u90e8\u584c\u9677, \u8fd9\u662f\u7531\u4e8e\u5728\u4f4e\u6c27\u5206\u538b\u7684N<sub>2<\/sub>\u6c14\u6c1b\u4e0bMo<sup>6+<\/sup>\u8fd8\u539f\u6210Mo<sup>4+<\/sup>\u800c\u589e\u52a0\u4e86\u6837\u54c1\u4e2d\u7535\u5b50\u4f20\u5bfc\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262588\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/6-7.png\" alt=\"\" width=\"781\" height=\"781\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/6-7.png 781w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/6-7-150x150.png 150w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/6-7-300x300.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/6-7-768x768.png 768w\" sizes=\"(max-width: 781px) 100vw, 781px\" \/><\/p>\n<p>\u56fe5. LaNb<sub>1-2<em>x<\/em><\/sub>Ga<em><sub>x<\/sub><\/em>Mo<em><sub>x<\/sub><\/em>O<sub>4-0.5<em>x<\/em><\/sub>\uff080 \u2264 <em>x<\/em> \u2264 0.2\uff09\u5e72\u71e5\u6c2e\u6c14\uff08a\uff09\u548c\u6e7f\u6da6\u6c2e\u6c14\uff08b\uff09\u7684\u7535\u5bfc\u7387\u56fe;\uff08c\uff09500 \u00baC\u548c\uff08d\uff09800 \u00baC\u65f6\u7684LaNb<sub>0.6<\/sub>Ga<sub>0.2<\/sub>Mo<sub>0.2<\/sub>O<sub>3.9<\/sub>\u7684\u590d\u963b\u6297\u56fe\u3002<\/p>\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u7814\u7a76\u5176\u5bfc\u7535\u884c\u4e3a\uff0c\u5bf9\u6837\u54c1\u8fdb\u884c\u4e0d\u540c\u6c27\u5206\u538b\u4e0b\u7684\u7535\u5bfc\u7387\u6d4b\u8bd5\u3002\u4ece\u56fe6\u4e2d\u53ef\u4ee5\u6e05\u695a\u5730\u89c2\u5bdf\u5230\uff0c\u5728\u5404\u4e2a\u6e29\u5ea6\u4e0b\uff0c\u7535\u5bfc\u7387\u5728\u4e2d\u95f4\u6c27\u5206\u538b\u533a\u57df\u5185\u76f8\u5bf9\u7a33\u5b9a\uff0c\u4f8b\u5982600 \u00baC\u3001\u6c27\u5206\u538b\u4e3a4.24\u00d710<sup>\u221221<\/sup>-1.0\u00d710<sup>\u22124<\/sup> atm\u7684\u533a\u95f4\uff1b\u800c\u5728\u4f4e\u6c27\u5206\u538b\u4e0b\uff0cLaNb<sub>0.6<\/sub>Ga<sub>0.2<\/sub>Mo<sub>0.2<\/sub>O<sub>3.9<\/sub>\u7684\u603b\u7535\u5bfc\u7387\u968f\u7740\u6c27\u5206\u538b\u7684\u964d\u4f4e\u800c\u6025\u5267\u589e\u52a0\uff0c\u53ef\u5f52\u56e0\u4e8eMo\u7684\u4e25\u91cd\u8fd8\u539f\uff1b\u5728\u9ad8\u6c27\u5206\u538b\u4e0b\uff0c\u7535\u5bfc\u7387\u968fpO<sub>2<\/sub>\u7684\u589e\u52a0\u800c\u964d\u4f4e\uff0c\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u4f4e\u4ef7Mo\u79bb\u5b50\uff08\u5982Mo<sup>4+<\/sup>\uff09\u88ab\u6c27\u5316\u6210Mo<sup>6+<\/sup>\uff0c\u4ece\u800c\u964d\u4f4e\u4e86n\u578b\u7535\u5b50\u5bfc\u7535\u6027\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262589\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/7-4.png\" alt=\"\" width=\"685\" height=\"565\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/7-4.png 685w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/7-4-300x247.png 300w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><\/p>\n<p>\u56fe6. LaNb<sub>0.6<\/sub>Ga<sub>0.2<\/sub>Mo<sub>0.2<\/sub>O<sub>3.9<\/sub>\u5728\u4e0d\u540c\u6c27\u5206\u538b\u548c\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u7535\u5bfc\u7387<\/p>\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u8bc4\u4f30\u7535\u5b50\u4f20\u5bfc\u5bf9\u603b\u7535\u5bfc\u7387\u7684\u8d21\u732e\uff0c\u91c7\u7528\u53cc\u63a2\u9488Hebb-Wagner\u6781\u5316\u6cd5\u5728\u7eafN<sub>2<\/sub>\u6c14\u6c1b\u4e0b\u5bf9\u6750\u6599\u4e2d\u7684\u7535\u5b50\u5bfc\u7535\u5360\u6bd4\u8fdb\u884c\u51c6\u786e\u6d4b\u91cf\u3002\u7ed3\u679c\u8868\u660e\uff0c\u968f\u7740\u6e29\u5ea6\u4ece300 \u00b0C\u5347\u9ad8\u5230600 \u00b0C\uff0c\u7535\u5b50\u8fc1\u79fb\u6570\uff08t<sub>e<\/sub>\uff09\u4ece0.656\u964d\u4f4e\u52300.241\uff0c\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u70ed\u6fc0\u6d3b\u589e\u52a0\u4e86\u6c27\u79bb\u5b50\u4f20\u5bfc\u5360\u6bd4\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262590\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/8-2.png\" alt=\"\" width=\"630\" height=\"445\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/8-2.png 630w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/8-2-300x212.png 300w\" sizes=\"(max-width: 630px) 100vw, 630px\" \/><\/p>\n<p>\u56fe7. \u53cc\u63a2\u9488Hebb-Wagner\u6781\u5316\u6280\u672f\u88c5\u7f6e\u793a\u610f\u56fe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262591\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/9-1.png\" alt=\"\" width=\"445\" height=\"142\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/9-1.png 445w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/9-1-300x96.png 300w\" sizes=\"(max-width: 445px) 100vw, 445px\" \/><\/p>\n<p>\u88681. LaNb<sub>0.6<\/sub>Ga<sub>0.2<\/sub>Mo<sub>0.2<\/sub>O<sub>3.9<\/sub>\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u7535\u5b50\u7535\u5bfc\u7387\u3001\u603b\u7535\u5bfc\u7387\u53ca\u76f8\u5e94\u7684\u7535\u5b50\u8fc1\u79fb\u6570<\/p>\n<p>\u6b64\u5916\uff0c\u4f7f\u7528\u6539\u8fdb\u7684\u56db\u63a2\u9488Hebb-Wagner\u6d4b\u8bd5\u6cd5\u5bf9\u6c27\u79bb\u5b50\u4f20\u5bfc\u8fdb\u884c\u4e86\u76f4\u63a5\u6d4b\u91cf\u3002\u7ed3\u679c\u8868\u660e\uff0c\u5728O<sub>2<\/sub>\u6c14\u6c1b\u4e0b\u6c27\u79bb\u5b50\u8f93\u8fd0\u6570\u4e3a~0.868-0.642\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262592\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/10.png\" alt=\"\" width=\"479\" height=\"522\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/10.png 479w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/10-275x300.png 275w\" sizes=\"(max-width: 479px) 100vw, 479px\" \/><\/p>\n<p>\u56fe8. \u56db\u63a2\u9488Hebb-Wagner\u6cd5\u88c5\u7f6e\u793a\u610f\u56fe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262593\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/11.png\" alt=\"\" width=\"476\" height=\"154\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/11.png 476w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/11-300x97.png 300w\" sizes=\"(max-width: 476px) 100vw, 476px\" \/><\/p>\n<p>\u88682. LaNb<sub>0.6<\/sub>Ga<sub>0.2<\/sub>Mo<sub>0.2<\/sub>O<sub>3.9<\/sub>\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u6c27\u79bb\u5b50\u7535\u5bfc\u7387\u548c\u76f8\u5e94\u7684\u6c27\u79bb\u5b50\u8fc1\u79fb\u6570<\/p>\n<p>\u4e3a\u4e86\u7814\u7a76LaNbO<sub>4<\/sub>\u57fa\u6750\u6599\u4e2d\u53ef\u80fd\u7684\u6c27\u79bb\u5b50\u8fc1\u79fb\u673a\u5236\uff0c\u9996\u5148\u8fdb\u884c\u4e86\u5df2\u5e7f\u6cdb\u7528\u4e8e\u7814\u7a76\u79bb\u5b50\u4f20\u8f93\u8def\u5f84\u7684\u57fa\u4e8e\u952e\u4ef7\u7684\u4f4d\u70b9\u80fd\u91cf\u56fe\uff08BVELS\uff09\u8ba1\u7b97\u3002\u57fa\u4e8e\u6c27\u79bb\u5b50\u8fc1\u79fb\u8def\u5f84\u7684\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\uff0c\u6c27\u79bb\u5b50\u4e3b\u8981\u5728NbO<sub>4<\/sub>\u56db\u9762\u4f53\u4e4b\u95f4\u8fc1\u79fb\uff0c\u5e76\u4e14\u8fc1\u79fb\u8def\u5f84\u7ecf\u8fc7\u56db\u9762\u4f53\u4e2d\u7684\u6c27\u4f4d\u70b9\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262594\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/12.png\" alt=\"\" width=\"850\" height=\"644\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/12.png 850w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/12-300x227.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/12-768x582.png 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><\/p>\n<p>\u56fe9. 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loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-262595\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/13.png\" alt=\"\" width=\"961\" height=\"1109\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/13.png 961w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/13-260x300.png 260w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/13-768x886.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/09\/13-887x1024.png 887w\" sizes=\"(max-width: 961px) 100vw, 961px\" \/><\/p>\n<p>\u56fe10. 1200 \u2103\u4e0bMD\u6a21\u62df\u7684\uff08a\uff09\u6bcd\u4f53\u548c\uff08b\uff09\u5177\u6709\u6c27\u7a7a\u4f4d\u7684Ga\u548cMo\u5171\u63ba\u6742\u6750\u6599\u4e2d\u7684La\u3001Nb\u548cO\u539f\u5b50\u7684MSD\u503c\u3002(c)\u57281200 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