{"id":16207,"date":"2016-05-30T15:00:32","date_gmt":"2016-05-30T07:00:32","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=16207"},"modified":"2016-05-30T13:57:34","modified_gmt":"2016-05-30T05:57:34","slug":"%e5%ad%a6%e6%9c%af%e5%b9%b2%e8%b4%a7%e4%be%9d%e7%84%b6%e6%98%af%e6%89%8b%e6%8a%8a%e6%89%8b%e6%95%99%e5%ad%a6%ef%bc%8c%e5%a6%82%e4%bd%95%e6%a0%87%e5%ae%9a%e7%94%b5%e5%ad%90%e8%a1%8d%e5%b0%84%e5%9b%be","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=16207","title":{"rendered":"\u5b66\u672f\u5e72\u8d27|\u4f9d\u7136\u662f\u624b\u628a\u624b\u6559\u5b66\uff0c\u5982\u4f55\u6807\u5b9a\u7535\u5b50\u884d\u5c04\u56fe\u8c31\uff1f"},"content":{"rendered":"

\u7edd\u5927\u90e8\u5206\u7684\u6750\u6599\u4eba\u4f1a\u5728\u4e00\u4e9b\u6587\u732e\u4e2d\u770b\u5230\u4e00\u5f20\u5f20\u6807\u8bb0\u597d\u7684\u7535\u5b50\u884d\u5c04\u56fe\u8c31\uff0c\u5982\u4e0b\u56fe1\u3002\u5728\u53d1\u8868\u8bba\u6587\u65f6\u6d4b\u5f97\u7684\u7535\u5b50\u884d\u5c04\u8c31\uff0c\u7531\u4e8e\u6807\u5b9a\u77e5\u8bc6\u7684\u7f3a\u4e4f\uff0c\u770b\u5230\u4e00\u6392\u6392\u70b9\u9635\uff0c\u65e0\u6cd5\u8fdb\u884c\u76f8\u5173\u6807\u5b9a\u3002\u6240\u4ee5\u4f5c\u4e3a\u4e00\u540d\u6750\u6599\u7814\u7a76\u751f\uff0c\u638c\u63e1\u7535\u5b50\u884d\u5c04\u82b1\u6837\u7684\u6807\u5b9a<\/strong><\/span>\u77e5\u8bc6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u90a3\u4e48\u8fd9\u6837\u7684\u56fe\u8c31\u662f\u5982\u4f55\u6807\u5b9a\u7684\u5462\uff1f\u539f\u7406\u53c8\u662f\u4ec0\u4e48\u5462\uff1f\u5728\u6b64\uff0c\u4e14\u542c\u5c0f\u7f16\u6765\u4ecb\u7ecd\u76f8\u5173\u7406\u8bba\u548c\u6807\u5b9a\u7684\u4e00\u79cd\u7b80\u5355\u65b9\u6cd5<\/span><\/strong>\u3002<\/p>\n

\"24\"<\/a><\/p>\n

\u56fe1 Au\u7eb3\u7c73\u7247\u53ca\u7535\u5b50\u884d\u5c04\u8c31<\/p>\n

1\u3001TEM\u6210\u50cf\u539f\u7406\uff1a<\/span><\/strong><\/p>\n

\"25\"<\/a><\/p>\n

2\u3001\u7535\u5b50\u884d\u5c04\u51e0\u4f55\u7684\u57fa\u672c\u516c\u5f0f\uff1a<\/strong><\/span><\/p>\n

\"26\"<\/a><\/p>\n

3\u3001\u591a\u6676\u7535\u5b50\u884d\u5c04\u8c31\u6807\u5b9a\uff1a<\/span><\/strong><\/p>\n

\"27\"<\/a><\/div>\n
\n

\u591a\u6676\u7535\u5b50\u884d\u5c04\u8c31\u7531\u4e00\u7cfb\u5217\u540c\u5fc3\u5706\u73af\u7ec4\u6210\u3002\u6bcf\u4e2a\u73af\u5bf9\u5e94\u4e00\u7ec4\u6676\u9762\u6839\u636e d = L\u03bb\/R\uff0c\u53ef\u6c42\u5f97\u5404\u884d\u5c04\u73af\u5bf9\u5e94\u7684\u6676\u9762\u95f4\u8dddd\u4e0eJCPDF\u5361\uff08\u591a\u6676\u7c89\u672b\u884d\u5c04\u5361\uff09\u4e2d\u7684d\u503c\u5bf9\u7167\u6bd4\u8f83\u4fbf\u53ef\u6807\u5b9a\u6bcf\u4e2a\u884d\u5c04\u73af\u7684\u6307\u6570\uff08hkl\uff09<\/strong><\/span>\u3002<\/p>\n

4\u3001\u5355\u6676\u7535\u5b50\u884d\u5c04\u8c31\u6807\u5b9a<\/strong><\/span><\/p>\n

4.1 \u4e3b\u8981\u6709\u56db\u79cd<\/span><\/strong><\/p>\n

\uff081\uff09\u6807\u51c6\u56fe\u8c31\u6cd5 \uff082\uff09\u8ba1\u7b97\u673a\u8f85\u52a9\u6807\u5b9a\u6cd5\u00a0 \uff083\uff09\u7279\u5f81\u5e73\u884c\u56db\u8fb9\u5f62\u6cd5\u00a0 \uff084\uff09d\u503c\u6bd4\u8f83\u6cd5<\/span><\/strong><\/p>\n

4.2 \u5355\u6676\u7535\u5b50\u884d\u5c04\u8c31\u6807\u5b9a\u7684d\u503c\u6bd4\u8f83\u6cd5<\/strong><\/span><\/p>\n

\"28\"<\/a><\/p>\n

1\u3001\u9009\u62e9\u884d\u5c04\u6591A\u3001B\uff0c\u4f7fr1<\/sub>\u548cr2<\/sub>\u4e3a\u6700\u77ed\u548c\u6b21\u77ed\u957f\u5ea6\uff0c\u6d4b\u91cfr1<\/sub>\u3001r2<\/sub>\u548c\u5939\u89d2\u503c<\/p>\n

2\u3001 \u6839\u636erd = L\u03bb\uff0c\u6c42A\u3001B\u884d\u5c04\u6591\u5bf9\u5e94\u7684\u9762\u95f4\u8dddd1<\/sub>\u548cd2<\/sub>\uff0c\u4e0e\u7269\u6837JCPDF\u6570\u636e\u6bd4\u8f83\uff0c\u627e\u51fa\u4e0ed1<\/sub>\u3001d2<\/sub>\u76f8\u543b\u5408\u7684\u9762\u6307\u6570{hkl}1<\/sub>\u548c{hkl}2<\/sub><\/p>\n

3\u3001\u5728{hkl}1<\/sub>\u4e2d\uff0c\u4efb\u9009(h1<\/sub>k1<\/sub>l1<\/sub>)\u4e3aA\u70b9\u6307\u6570\uff0c\u4ece{hkl}2<\/sub>\u4e2d\uff0c\u8bd5\u63a2\u8ba1\u7b97\u786e\u5b9aB\u70b9\u6307\u6570(h2<\/sub>k2<\/sub>l2<\/sub>)\uff0c\u4f7f(h1<\/sub>k1<\/sub>l1<\/sub>)\u548c(h2<\/sub>k2<\/sub>l2<\/sub>)\u7684\u5939\u89d2\u8ba1\u7b97\u503c\u4e0e\u5b9e\u6d4b\u503c\u76f8\u7b26.<\/p>\n

4\u3001\u6309\u77e2\u91cf\u53e0\u52a0\u539f\u7406\uff0c\u6807\u5b9a\u5176\u5b83\u884d\u5c04\u6591\u6307\u6570\uff0c\u5e76\u6c42\u51fa\u6676\u5e26\u8f74\u6307\u6570[uvw].<\/span><\/strong><\/p>\n

\u4f8b\uff1a\u03b1-Fe\u7535\u5b50\u884d\u5c04\u8c31\u6807\u5b9a<\/span><\/strong><\/p>\n

\"49\"<\/a><\/p>\n

5\u3001\u672a\u77e5\u7ed3\u6784\u7684\u884d\u5c04\u5206\u6790<\/strong><\/span><\/p>\n

\"30\"<\/a><\/p>\n

6\u3001\u884d\u5c04\u56fe\u8c31\u6d88\u5149\u6027\u8ba8\u8bba<\/strong><\/span><\/p>\n

6.1 \u7ed3\u6784\u56e0\u5b50<\/span><\/strong><\/p>\n

Bragg\u5b9a\u5f8b\u53ea\u662f\u4ece\u51e0\u4f55\u7684\u89d2\u5ea6\u8ba8\u8bba\u4e86\u6676\u4f53\u5bf9\u7535\u5b50\u7684\u6563\u5c04\uff0c\u800c\u6ca1\u6709\u8003\u8651\u53cd\u5c04\u9762\u4e0a\u7684\u539f\u5b50\u4f4d\u7f6e\u548c\u539f\u5b50\u5bc6\u5ea6\u3002\u5982\u679c\u8003\u8651\u8fd9\u4e24\u4e2a\u56e0\u7d20\uff0c\u6ee1\u8db3Bragg\u6761\u4ef6\u5e76\u975e\u4e00\u5b9a\u4ea7\u751f\u884d\u5c04<\/span><\/strong>\u3002\u4f8b\u5982\u9762\u5fc3\u7acb\u65b9\uff08FCC\uff09\u6676\u4f53\uff08100\uff09\u9762\u4e00\u7ea7\u884d\u5c04\u5c31\u4e0d\u5b58\u5728\u3002\u8fd9\u79cd\u60c5\u51b5\u79f0\u4e3a\u7cfb\u7edf\u6d88\u5149\u3002<\/p>\n

\u5b9a\u4e49\uff1a\u7ed3\u6784\u56e0\u5b50F\u662f\u5355\u80de\u5185\u5404\u539f\u5b50\u5bf9\u5165\u5c04\u6ce2\u6563\u5c04\u7684\u5408\u6210\u632f\u5e45\u3002\u5b83\u6807\u5fd7\u5b8c\u6574\u5355\u80de\u5bf9\u884d\u5c04\u5f3a\u5ea6\u7684\u8d21\u732e\u3002<\/p>\n

\"31\"<\/a><\/p>\n

\u8bbe\u6676\u80de\u4e2d\u6709n\u4e2a\u539f\u5b50\uff1a<\/p>\n

\u5bf9\u7535\u5b50\u6563\u5c04\u7684\u632f\u5e45\u5206\u522b\u4e3a\uff1aF1<\/sub>\uff0cF2<\/sub>\uff0cF3<\/sub>\u2026\u2026Fn<\/sub>.<\/p>\n

\u5404\u6563\u5c04\u6ce2\u76f8\u5bf9\u5165\u5c04\u6ce2\u7684\u4f4d\u76f8\u4e3a\uff1a\u03c61\uff0c<\/sub>\u03c62\uff0c<\/sub>\u03c63<\/sub>\u2026\u2026\u03c6n<\/sub>.<\/p>\n

\u5219\u5408\u6210\u632f\u5e45\u4e3a\uff1a<\/p>\n

\"48\"<\/a><\/p>\n

\u627e\u51fa\u5404\u539f\u5b50\u7684\u6563\u5c04\u6ce2\u7684\u4f4d\u76f8\u03c6j<\/sub>\uff0c\u8bbe\uff1ar<\/strong>(xyz)\u8868\u793a\u5355\u80de\u5185\u7b2cn\u4e2a\u539f\u5b50\u7684\u4f4d\u77e2<\/p>\n

\"33\"<\/a><\/p>\n

\"34\"<\/a><\/p>\n

6.2 \u4e0d\u540c\u7c7b\u578b\u6676\u4f53\u70b9\u9635\u7684\u7ed3\u6784\u56e0\u5b50<\/strong><\/span><\/p>\n

6.2.1\u00a0 FCC\u70b9\u9635<\/p>\n

\u5355\u80de\u4e2d\u67094\u4e2a\u76f8\u540c\u539f\u5b50\uff0c\u5750\u6807\u5206\u522b\u4e3a\uff08000\uff09\uff0c\uff081\/2 1\/2 0\uff09\uff0c\uff081\/2 0 1\/2\uff09\uff0c\uff080 1\/2 1\/2\uff09\uff0c\u5219\uff1aFhkl<\/sub>=f[1+exp\u03c0i(h+k)+ exp\u03c0i(h+l)+ exp\u03c0i(l+k)]\uff0c\u5f53h,k,l\u4e3a\u5168\u5947\u6216\u5168\u5076\u65f6\uff0c(h+k)\uff0c(h+l)\uff0c(l+k)\u5747\u4e3a\u5076\u6570\uff0c\u6b64\u65f6\uff1a<\/p>\n

\"46\"<\/a><\/div>\n
\u5f53h,k,l\u4e3a\u4e24\u5947\u6216\u4e24\u5076\u65f6\uff0c(h+k)\uff0c(h+l)\uff0c(l+k)\u5fc5\u6709\u4e24\u76f8\u4e3a\u5947\u6570\uff0c\u4e00\u9879\u4e3a\u5076\u6570\uff0c\u6b64\u65f6\uff1a<\/div>\n
\"47\"<\/a><\/div>\n
\u53ef\u89c1\uff0c\u53ea\u6709\u5f53h,k,l\u4e3a\u5168\u5947\u6216\u5168\u5076\u65f6\uff0c\u624d\u80fd\u4ea7\u751f\u884d\u5c04\uff0c\u5426\u5219\uff0c\u53cd\u5c04\u76f8\u4e92\u62b5\u6d88\uff0c\u5f3a\u5ea6\u4e3a0\uff0c\u8fd9\u79cd\u60c5\u51b5\u79f0\u4e3a\u7cfb\u7edf\u6d88\u5149\u3002<\/div>\n
\n

\u6545\uff0c\u884d\u5c04\u5b58\u5728\u7684\u6761\u4ef6\uff0c\u4e0d\u4ec5\u53cd\u6620\u4e8eBragg\u53cd\u5c04\uff0c\u8fd8\u5fc5\u987b\u53d6\u51b3\u4e8e\u5355\u80de\u4e2d\u4e2a\u539f\u5b50\u7684\u4f4d\u7f6e\u548c\u5bc6\u5ea6\uff0c\u4e5f\u5c31\u662f\u8bf4Bragg\u6761\u4ef6\u4ec5\u4ec5\u662f\u884d\u5c04\u5b58\u5728\u7684\u5fc5\u8981\u6761\u4ef6\uff0c\u800c\u975e\u91cd\u8981\u6761\u4ef6\u3002<\/p>\n

\u4f8b\uff1aFCC\u6676\u4f53\u4e2d\uff08100\uff09\uff0c\uff08110\uff09\uff0c\uff08210\uff09\uff0c\uff08211\uff09\u2026\u2026\u7b49\u884d\u5c04\u5747\u4e0d\u53ef\u89c1\u3002<\/p>\n

6.2.2\u00a0BCC \u70b9\u9635<\/strong><\/span><\/p>\n

\u5355\u80de\u4e2d\u6709\u4e24\u4e2a\u76f8\u540c\u539f\u5b50\uff0c\u5750\u6807\u4e3a\uff08000\uff09\uff0c\uff081\/2 1\/2 1\/2\uff09\uff0cFhkl<\/sub>=f[1+exp\u03c0i(h+k+l)]<\/p>\n<\/div>\n

\"45\"<\/a><\/p>\n

\u5982\uff1a\uff08110\uff09\uff0c\uff08200\uff09\uff0c\uff08220\uff09\u2026\u2026\u7b49\u884d\u5c04\u5b58\u5728\uff0c\uff08100\uff09\uff0c\uff08210\uff09\uff0c\uff08300\uff09\u2026\u2026\u7b49\u884d\u5c04\u4e0d\u5b58\u5728<\/p>\n

6.2.3\u00a0 \u516d\u89d2\u5bc6\u5806\u70b9\u9635\uff08HCP\uff09<\/strong><\/span><\/p>\n

\u5355\u80de\u4e2d\u4e24\u4e2a\u76f8\u540c\u539f\u5b50\uff0c\u5750\u6807\u4e3a\uff08000\uff09\uff0c\uff081\/3 \u00a02\/3 \u00a01\/2\uff09\uff0c\u8ba8\u8bba\u53ef\u77e5\uff1a<\/p>\n<\/div>\n

\"44\"<\/a><\/p>\n

\u53ef\u89c1\uff0c\u516d\u89d2\u5bc6\u5806\u70b9\u9635\u4e0d\u5b58\u5728\uff08001\uff09\uff0c\uff08003\uff09\uff0c\uff081-2 1\uff09\uff0c\uff08111\uff09\u2026\u2026\u7b49\u884d\u5c04\uff0c\u5176\u5b83\u60c5\u51b5\u65f6\uff0cFhkl<\/sub>\u00a0\u22600\u4ea7\u751f\u884d\u5c04\u3002<\/p>\n

6.2.4 \u91d1\u521a\u77f3\u578b\u70b9\u9635<\/strong><\/span><\/p>\n

\u5355\u80de\u4e2d\u67098\u4e2a\u539f\u5b50\uff0c\u5750\u6807\u4e3a\uff1a\uff08000\uff09\uff0c(1\/4 1\/4 1\/4),(1\/4 3\/4 3\/4),(1\/2 1\/2 0),(1\/4 3\/4 3\/4)\u2026\u2026<\/p>\n

\"41\"<\/a><\/p>\n

\u5176\u4e2d\uff0cFf<\/sub>\u8868\u793a\u9762\u5fc3\u7acb\u65b9\uff08FCC\uff09\u70b9\u9635\u7684\u7ed3\u6784\u56e0\u5b50\uff0c\u7cfb\u7edf\u6d88\u5149\u60c5\u51b5\u5982\u4e0b\uff1a<\/p>\n

\"42\"<\/a><\/p>\n

\u5982\uff1a\uff08200\uff09\uff0c\uff08600\uff09\u7b49\u4e0d\u5b58\u5728\u3002<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5b66\u672f\u7ec4\u53f6\u5c9a\u5c71\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002\u672c\u6587\u7d20\u6750\u7531\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u5f20\u5eb6\u5143\u6559\u6388\u63d0\u4f9b\u3002<\/p>\n

\u6b22\u8fce\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5e72\u8d27\u7ec4\uff0c\u4e00\u8d77\u8fdb\u884c\u6750\u6599\u9876\u520a\u5b66\u672f\u52a8\u6001\u7684\u8ddf\u8e2a\u548c\u62a5\u9053\u4ee5\u53caSCI\u76f8\u5173\u77e5\u8bc6\u79d1\u666e\u7b49\u3002\u5982\u4f60\u4e5f\u6709\u5b66\u672f\u5e72\u8d27\uff0c\u90a3\u4e48\u8bf7\u4f60\u201c\u624d\u6c14\u5916\u9732\u201d\uff0c\u4e00\u8d77\u4f20\u64ad\u6750\u6599\u77e5\u8bc6\uff0c\u4f18\u79c0\u7a3f\u4ef6\u4e00\u7ecf\u5f55\u7528\uff0c\u6211\u4eec\u4f1a\u5949\u4e0a\u7a3f\u916c\uff0c\u79c1\u4fe1\u7ba1\u7406\u5458\u201c\u6de1\u5e74\u534e\uff08QQ:601416321\uff09\u201d\u62a5\u540d\u54e6\uff01<\/p>\n

\u6b22\u8fce\u5404\u5927\u8bfe\u9898\u7ec4\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<\/a>\u3002<\/p>\n

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