\u56fe1\u5c42\u72b6\u94a0\u6c27\u5316\u7269\uff08NaMeO2<\/sub>\uff09\u5206\u7c7b\uff0c\u4e0d\u540c\u5c42\u72b6\u7ed3\u6784\u94a0\u79bb\u5b50\u8131\u51fa\u548c\u8fc1\u79fb\u8bf1\u5bfc\u7535\u5316\u5b66\u76f8\u53d8<\/strong><\/p>\n \u5982\u56fe1\u6240\u793a\uff0cP2\u548cP3\u4e24\u79cd\u7c7b\u578b\u94a0\u79bb\u5b50\u6269\u6563\u901a\u9053\u7684\u5468\u56f4\u73af\u5883\u4e0e\u7535\u52a8\u529b\u5b66\u5747\u6709\u660e\u663e\u4e0d\u540c\u3002\u6ca1\u6709\u5355\u72ec\u7814\u7a76\u94a0\u79bb\u5b50\u5728P3\u7535\u6781\u4e2d\u4f20\u8f93\u7684\u539f\u56e0\u4e3b\u8981\u6709\uff1a1\u3001P3\u76f8\u65e0\u6cd5\u76f4\u63a5\u5408\u6210\uff1b2\u3001\u76f8\u53d8\u548c\u76f8\u5173\u7535\u5316\u5b66\u6027\u80fd\u53d6\u51b3\u4e8e\u94a0\u79bb\u5b50\u542b\u91cf<\/strong>\u3002\u56e0\u6b64\uff0c\u5bf9\u5177\u6709\u76f8\u4f3c\u7ec4\u5206\u7684P2\u548cP3<\/strong>\uff0c\u4ee5\u4e0b\u4e24\u4e2a\u57fa\u672c\u95ee\u9898\u9700\u8981\u5148\u4e86\u89e3\uff1a1\u3001\u5bf9\u4e8e\u9ad8\u6027\u80fd\u7535\u6781\u6750\u6599\u800c\u8a00\uff0cP2\u548cP3\u54ea\u4e2a\u662f\u6700\u4f73\u9009\u62e9\uff1b2\u3001\u600e\u6837\u7406\u89e3\u7ed3\u6784-\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/strong><\/p>\n \u65e5\u672c\u4e1c\u5317\u5927\u5b66Dr. Pan Liu<\/strong>\u7814\u7a76\u4e86\u4e24\u79cd\u6210\u5206\u76f8\u540c\u3001\u7ed3\u6784\u7a33\u5b9a\u7684P2-Na0.62<\/sub>Cr0.63<\/sub>Ti0.37<\/sub>O2<\/sub><\/strong>\u548cP3- Na0.63<\/sub>Cr0.63<\/sub>Ti0.37<\/sub>O2<\/sub><\/strong>\u7269\u8d28\uff0c\u7cfb\u7edf\u63a2\u7a76\u4e86\u6676\u4f53\u7ed3\u6784\u4e0e\u7535\u5316\u5b66\u6027\u80fd\u8054\u7cfb\u3002\u7535\u5316\u5b66\u6d4b\u8bd5\u8bc1\u660e\u51faP2\u76f8\u7684\u5e73\u53f0\u7535\u538b\u4f4e\u4e8eP3\u76f8\uff0c\u4f46\u53ef\u9006\u5bb9\u91cf\u9ad8\u4e8eP3\u3002P2\u76f8\u572810 C\u500d\u7387\u4e0b\u4ecd\u7136\u4fdd\u6301\u9ad8\u6bd4\u5bb9\u91cf\uff0c\u5728\u500d\u7387\u4e3a5C\u6761\u4ef6\u4e0b\uff0c\u5faa\u73af1000\u5468\u540e\uff0c\u5bb9\u91cf\u4fdd\u7559\u7387\u4e3a77.5%\u3002\u4f18\u5f02\u7684\u500d\u7387\u5bb9\u91cf\u3001\u5353\u8d8a\u7684\u5faa\u73af\u6027\u80fd\u8bf4\u660e\u4e86\u9633\u6781\u6750\u6599\u6700\u4f73\u9009\u62e9\u4e3aP2\u76f8<\/strong>\u3002P2-Na0.62<\/sub>Cr0.63<\/sub>Ti0.37<\/sub>O2<\/sub>\u7684\u653e\u7535\u5bb9\u91cf\u5927\u3001\u5b89\u5168\u7535\u52bf\u9ad8\uff0c\u500d\u7387\u6027\u80fd\u7a81\u51fa\u3001\u5faa\u73af\u6027\u80fd\u597d\uff0c\u662f\u8bbe\u8ba1\u9ad8\u901f\u7387\u3001\u957f\u5bff\u547d\u94a0\u79bb\u5b50\u7535\u6c60\u9633\u6781\u7684\u5019\u9009\u6750\u6599\u3002\u57fa\u4e8e\u7403\u9762\u50cf\u5dee\u6821\u6b63\u7535\u5b50\u663e\u5fae\u955c\u89c2\u6d4b\uff0c\u6676\u4f53\u7ed3\u6784\u548c\u7535\u8377\u8865\u507f\u673a\u7406\u5728P2\u548cP3\u4e2d\u9996\u6b21\u88ab\u8bc1\u5b9e\u3002\u4f9d\u636e\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\uff0c\u94a0\u79bb\u5b50\u5728P2\u76f8\u4e2d\u6269\u6563\u6bd4\u5728P3\u76f8\u6269\u6563\u5bb9\u6613\uff0c\u56e0\u590d\u5408\u7a7a\u7a74\u539f\u56e0\uff0c\u94a0\u79bb\u5b50\u5728P2\u4e2d\u6269\u6563\u52bf\u5792\u4f4e\u4e8eP3\u3002\u8fd9\u4e5f\u8bc1\u5b9e\u94a0\u79bb\u5b50\u7684\u6269\u6563\u52a8\u529b\u5b66\u4f9d\u8d56\u4e8e\u7ed3\u6784\u3002<\/strong>\u53e6\u5916\uff0c\u8fd9\u4e2a\u7279\u6027\u53ef\u4ee5\u8fd0\u7528\u5230\u5176\u4ed6P\u578b\u5c42\u72b6\u6c27\u5316\u7269\u4e2d\u3002\u8fd9\u4e9b\u8ba1\u7b97\u56de\u7b54\u4e86\u57fa\u672c\u95ee\u98982\u3002\u4ee5\u4e0b\u662f\u6587\u732e\u56fe\u6587\u89e3\u8bfb\uff1a<\/p>\n \u56fe2 P-\u578bNTCO\uff08Na0.62<\/sub>Cr0.63<\/sub>Ti0.37<\/sub>O2<\/sub>\uff09\u6750\u6599\u7ed3\u6784\uff0c\uff08a\uff09P2-NTCO\u7684\u5b9e\u9a8c\uff08\u9ed1\uff09\u4e0e\u8ba1\u7b97\uff08\u7ea2\uff09XRD\uff0cRietveld \u66f2\u7ebf\uff0c\uff08b\uff09P2-NTCO\u6676\u4f53\u7ed3\u6784\u4e0e\u4ecea\u8f74\u65b9\u5411\u89c2\u6d4b\u4e24\u79cd\u4e0d\u540c\u94a0\u79bb\u5b50\u4f4d\u7f6e\uff08\u7eff\uff0c\u9ec4\uff09\uff0c\uff08c\uff09P2\u578b\u7ed3\u6784\uff0c\u4ecec\u8f74\u89c2\u6d4bNaI<\/sup>\uff08edge-sharing\uff09\u4e0eNa\u2161<\/sup>\uff08face-shanring\uff09\u76f8\u5bf9\u4f4d\u7f6e\uff0c\uff08d\uff09P3\u578b\u7684\u5b9e\u9a8c\uff08\u9ed1\uff09\u4e0e\u8ba1\u7b97\uff08\u7ea2\uff09XRD\uff0cRietveld \u66f2\u7ebf\uff0c\uff08e\uff09P3\u578b\u6676\u4f53\u7ed3\u6784\u4e0e\u4ecea\u8f74\u65b9\u5411\u89c2\u6d4b\u4e24\u79cd\u4e0d\u540c\u94a0\u79bb\u5b50\u4f4d\u7f6e\uff08\u7eff\uff0c\u9ec4\uff09\uff0c\uff08f\uff09P3\u578b\u7ed3\u6784\uff0c\u4ecec\u8f74\u89c2\u6d4b\u5171\u8fb9Na\uff08edge-sharing\uff09\u4e0e\u5171\u9762Na\uff08face-shanring\uff09\u76f8\u5bf9\u4f4d\u7f6e.<\/strong><\/p>\n \u56fe2\uff08a\uff09\u5c55\u793aP2-NTCO\u7684Rietveld\u66f2\u7ebf\uff0c\u5bf9\u5e94\u7a7a\u95f4\u7fa4\u4e3aP63<\/sub>\/mmc\uff0c\u6676\u683c\u53c2\u6570a=b=2.9410(1) \u00c5\uff0cc=11.2639(3) \u00c5\uff0cV=84.375(4) \u00c53<\/sup>\uff0c\u6536\u655b\u56e0\u5b50RWP<\/sub>\u56e0\u5b50\uff089.55%\uff09\uff0c\u03c72<\/sup>\uff082.210\uff09\u3002<\/p>\n \u56fe2\uff08b\u3001c\uff09\u4e3aP2-NTCO\u6676\u4f53\u7ed3\u6784\uff0c\u6c27\u5806\u79ef\u65b9\u5f0f\u4e3aABBA\uff0c\u5728\uff08b\uff09\u4e2d\u6bcf\u4e2a\u539f\u80de\u542b\u6709\u4e24\u4e2aMeO6<\/sub>\u516b\u9762\u4f53\uff0c\u5e76\u63d0\u4f9b\u4e24\u4e2a\u4e0d\u540c\u7684\u94a0\u79bb\u5b50\u4f4d\u70b9\u3002\u4ece\uff08c\uff09\u4e2d\u5f97\u51fa\uff0c\u4e24\u4e2a\u76f8\u90bbMeO6<\/sub>\u516b\u9762\u4f53\u5171\u9762\uff0c\u516d\u4e2a\u76f8\u90bb\u7684MeO6<\/sub>\u516b\u9762\u4f53\u5171\u8fb9\u3002<\/p>\n \u56fe2\uff08d\uff09\u6307\u51fa\uff0cP3\u578b\u7ed3\u6784\u7a7a\u95f4\u7fa4\u4e3aR-3m\u3002\u4f7f\u7528Rietveld \u62df\u5408XRD\u6570\u636e\uff0c\u4ea7\u751f\u5408\u7406\u7684\u4f4e\u6536\u655b\u56e0\u5b50RWP<\/sub>\u56e0\u5b50\uff088.75%\uff09\uff0c\u03c72<\/sup>\uff081.623\uff09\uff0cP3\u76f8\u6676\u683c\u53c2\u6570a=b=2.9466(2) \u00c5\uff0cc=16.8758(11) \u00c5\uff0cV=127.652(19) \u00c53<\/sup>\uff0cXRD\u5b9e\u9a8c\u6570\u636e\u4e0e\u8ba1\u7b97\u7ed3\u679c\u543b\u5408\u5ea6\u9ad8\u3002<\/p>\n \u56fe2\uff08e\u3001f\uff09\u663e\u793a\u51faP3-NTCO\u6676\u4f53\u7ed3\u6784\u6c27\u5806\u79ef\u5f62\u5f0f\u4e3aABBCCA\uff0c\u4ece\u56fe\uff08e\uff09\u4e2d\u6bcf\u4e2a\u539f\u80de\u542b\u67093\u4e2a\u7247\u72b6\u68f1\u5f62MeO2<\/sub>\u4e0e\u4e00\u4e2aMeO6<\/sub>\u516b\u9762\u4f53\u5171\u9762\uff0c3\u4e2aMeO6<\/sub>\u516b\u9762\u4f53\u5171\u8fb9\uff0c\u8fd9\u6837\u5c31\u63d0\u4f9b\u4e00\u4e2a\u94a0\u79bb\u5b50\u4f4d\u70b9\uff08\u56fef\u6240\u793a\uff09\u3002<\/p>\n \u56fe3 P\u578bNTCO\uff08Na0.62<\/sub>Cr0.63<\/sub>Ti0.37<\/sub>O2<\/sub>\uff09\u6750\u6599STEM\u56fe\u50cf\uff0c\uff08a\uff09P2-NTCO\u6cbf[010]\u6676\u5411\uff0c\u9009\u62e9\u533a\u57df\u7535\u5b50\u884d\u5c04\uff08SAED\uff09\u56fe\uff0c\uff08b\uff09P2-NTCO\u6cbf[010]\u6676\u5411\uff0cSAED\u6a21\u62df\u56fe\uff0c\uff08c\uff09P2-NTCO\u9ad8\u89d2\u5ea6\u73af\u5f62\u6697\u573a\uff08HAADF\uff09-STEM\u56fe\uff0c\uff08d\uff09P2-NTCO\u73af\u5f62\u660e\u573a\uff08ABF\uff09-STEM\u56fe\uff0c\uff08e\uff09P3-NTCO\u6cbf[010]\u6676\u5411\uff0c\u9009\u62e9\u533a\u57df\u7535\u5b50\u884d\u5c04\uff08SAED\uff09\u56fe\uff0c\uff08f\uff09P3-NTCO\u6cbf[010]\u6676\u5411\uff0cSAED\u6a21\u62df\u56fe\uff0c\uff08g\uff09P3-NTCO\u6750\u6599HAADF-STEM\u56fe\uff0c\uff08h\uff09P3-NTCO\u7684ABF-STEM\u56fe\uff0c\u56fe\uff08i,j\uff09\u662f\u4ece\u56fe\uff08c,d\uff09\u63d0\u53d6\u653e\u5927\u7684ABF-STEM\u56fe\uff0c\u56fe\uff08k,l\uff09\u662f\u4ece\u56fe\uff08g,h\uff09\u63d0\u53d6\u653e\u5927\u7684ABF-STEM\u56fe.<\/strong><\/p>\n \u56fe3\u662f\u539f\u5b50\u5c3a\u5ea6\u4e0a\u7684\u56fe\u50cf\uff0c\u56fe3\uff08a,b\uff09\u662fP2\u76f8\u5b9e\u9a8c\u4e0e\u6a21\u62df\u7684\u7535\u5b50\u884d\u5c04\u82b1\u6837\uff0c\u6cbf[010]<\/strong>\u6676\u5411\uff0c\u4eae\u70b9\u6620\u5c04\u5bf9\u5e94\u7740P2\u7ed3\u6784\u70b9\u9635\u7279\u5f81\u884d\u5c04\u82b1\u6837\uff0c\u5728\uff08b\uff09\u56fe\uff0c\u6a21\u62df\u7684\u5806\u79ef<\/strong>\u5e8f\u5217\u5339\u914d\u5ea6\u4e0e\u56fe\uff08a\uff09\u6cbfb\u8f74\u7684\u6676\u5411\u91cd\u5408\u6027\u597d\u3002<\/p>\n \u56fe3\uff08c,d\uff09\u662fP2-NTCO\u6750\u6599\u7684\u5c40\u90e8\u7ed3\u6784\u5206\u6790\uff0c\u4eceHAADF-STEM\u56fe\u50cf\u4e2d\u51fa\u73b0\u7684\u4eae\u70b9<\/strong>\u4e0eABF-STEM\u6697\u70b9<\/strong>\u5177\u6709\u9c9c\u660e\u5bf9\u6bd4\u6027\uff0c\u63ed\u793a\u51fa\u8fc7\u6e21\u91d1\u5c5e\uff08Ti,Cr\uff09\u539f\u5b50\u5217\u4f4d\u7f6e\u3002\u5728\u56fe\uff08c\uff09\u4e2d\uff0c\u5bf9\u5e94\u7684\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u5316\u4e0e\u9009\u62e9\u533a\u57df\u7535\u5b50\u884d\u5c04\u82b1\u6837\u4e00\u81f4\u3002\u56fe\uff08d\uff09\u4e2d\uff0c\u76f8\u5bf9\u8f83\u5f31\u7684\u6697\u70b9\u4f4d\u4e8e\u5939\u5c42\u4e4b\u95f4\uff0c\u8fd9\u4e9b\u6697\u70b9\u662f\u5bf9\u5e94\u7684\u94a0\u539f\u5b50\u548c\u6c27\u539f\u5b50\u3002<\/p>\n \u56fe3\uff08e,f\uff09\u662fP3\u76f8\u5b9e\u9a8c\u4e0e\u6a21\u62df\u7684\u7535\u5b50\u884d\u5c04\u82b1\u6837\uff0c\u5728\uff08e\uff09\u4e2d\uff0c\u6cbf\u7740[010]\u6676\u5411\uff0c\u4eae\u70b9\u6620\u5c04\u6e90\u4e8eP3\u7ed3\u6784\u70b9\u9635\u7684\u7279\u5f81\u53cd\u5c04\u3002\u5bf9\u6bd4\uff08f\uff09\uff0c\u6591\u70b9\u4e0e\u6a21\u62df\u91cd\u5408\u5ea6\u9ad8\u3002<\/p>\n \u56fe3\uff08g,h\uff09\u4e3aHAADF-STEM\u548cABF-STEM\u9009\u62e9\u56fe\u50cf\uff0c\uff08g\uff09\u63d2\u56fe\u4e3a\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\u3002<\/p>\n \u56fe3\uff08j\uff09\u4e3a\u5c42\u72b6P2\u76f8\uff0c\u5c55\u793a\u51fa\u539f\u5b50\u7684\u8be6\u5c3d\u6392\u5217\u548c\u5806\u79ef\u5e8f\u5217ABBA\uff0c\u4e3a\u65b9\u4fbf\u53ef\u89c6\u5316\uff0c\u5c06P2\u76f8\u539f\u5b50\u6a21\u578b\u63d2\u5165\u5806\u79ef\u5e8f\u5217\u4e2d\uff0c\u4eceABF-STEM\u89c2\u6d4b\u5230MeO2<\/sub>\u4e0e\u7ed3\u6784\u6a21\u578b\u9ad8\u5ea6\u543b\u5408<\/strong>\u3002\u78b1\u91d1\u5c5e\u539f\u5b50\u7f6e\u4e8eMeO2<\/sub>\u5c42\u4e2d\uff0c\u6bcf\u4e24\u4e2aMeO2<\/sub>\u5c42\uff0c\u5448\u73b0\u51fa\u955c\u9762\u5bf9\u79f0\u3002<\/p>\n \u56fe3\uff08l\uff09\u4e3a\u5c42\u72b6P3\u76f8\uff0c\u5176\u539f\u5b50\u6392\u5217\u987a\u5e8f\u4e3aABBCCA\uff0c\u4e3a\u65b9\u4fbf\u6bd4\u8f83\uff0c\u5c06\u539f\u5b50\u6a21\u578b\u63d2\u5165\u5230ABF-STEM\u56fe\u50cf\u4e2d\uff0c\u4e5f\u5f97\u51fa\u4e86\u4e0e\u56fe\uff08j\uff09\u76f8\u4f3c\u7684\u4fe1\u606f\u3002<\/p>\n \u56fe4 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