{"id":120535,"date":"2018-01-12T14:00:37","date_gmt":"2018-01-12T06:00:37","guid":{"rendered":"\/\/m.iemloyee.com\/?p=120535"},"modified":"2018-01-11T12:09:45","modified_gmt":"2018-01-11T04:09:45","slug":"acta-mater-%ef%bc%9a%e8%80%81%e9%93%81%ef%bc%8c%e9%93%81%e9%85%b8%e9%95%93%e8%96%84%e8%86%9c%e7%9a%84%e5%a4%9a%e9%93%81%e6%80%a7%e8%83%bd%e6%b2%a1%e6%af%9b%e7%97%85%ef%bc%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=120535","title":{"rendered":"Acta Mater.\uff1a\u201c\u8001\u94c1\uff0c\u94c1\u9178\u9553\u8584\u819c\u7684\u591a\u94c1\u6027\u80fd\u6ca1\u6bdb\u75c5\uff01\u201d"},"content":{"rendered":"

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

\u591a\u94c1\u6750\u6599\u662f\u4e00\u79cd\u65b0\u578b\u591a\u529f\u80fd\u6750\u6599\uff0c\u5176\u5728\u9ad8\u5bc6\u5ea6\u6570\u636e\u5b58\u50a8\u3001\u4f20\u611f\u5668\u548c\u81ea\u65cb\u7535\u5b50\u5668\u4ef6\u7b49\u9886\u57df\u90fd\u6709\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u3002\u591a\u94c1\u6027\u6750\u6599\u4e0d\u4ec5\u517c\u5177\u94c1\u7535\u6027\u548c\u78c1\u6027\uff0c\u5e76\u4e14\u94c1\u7535\u6027\u4e0e\u78c1\u6027\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u78c1\u7535\u8026\u5408\u6548\u5e94\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u94c1\u7535\u6027\u548c\u78c1\u6027\u4e4b\u95f4\u7684\u76f8\u4e92\u8c03\u63a7\u3002\u5c3d\u7ba1\u591a\u94c1\u6750\u6599\u7684\u78c1\u7535\u6548\u5e94\u7814\u7a76\u5df2\u5f00\u5c5550\u4f59\u5e74\uff0c\u4f46\u5ba4\u6e29\u5355\u76f8\u591a\u94c1\u6750\u6599\u4ecd\u5c48\u6307\u53ef\u6570\u3002\u5728\u4f17\u591a\u7684\u591a\u94c1\u6750\u6599\u4e2d\uff0cGaFeO3<\/sub>(GFO)\u5177\u6709\u5bbd\u6e29\u57df\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\u548c\u53ef\u8c03\u63a7\u7684\u5c45\u91cc\u6e29\u5ea6\uff08Tc<\/sub>\uff09\uff0c\u5b9e\u9645\u5e94\u7528\u6f5c\u529b\u5927\uff0c\u5f15\u8d77\u4e86\u5404\u56fd\u5b66\u8005\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u534e\u76db\u987f\u5927\u5b66\u674e\u6c5f\u5b87\u6559\u6388<\/strong>\u3001\u56fd\u7acb\u4ea4\u901a\u5927\u5b66\u6731\u82f1\u8c6a\u526f\u6559\u6388<\/strong>\u548c\u6e58\u6f6d\u5927\u5b66\u8c22\u6dd1\u7ea2\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u5728Acta Materialia<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a\u201cTuning Fe concentration in epitaxial gallium ferrite thin films for room temperature multiferroic properties<\/strong>\u201d \u7684\u6587\u7ae0\uff0c\u9a8c\u8bc1\u4e86\u5355\u76f8GFO\u8584\u819c\u5728\u5ba4\u6e29\u4e0b\u5177\u6709\u94c1\u7535\u6027\u548c\u78c1\u6027\u3002\u8be5\u7814\u7a76\u91c7\u7528\u53cc\u9776\u6750\u7684\u8109\u51b2\u6fc0\u5149\u6c89\u79ef\uff08PLD\uff09\u5de5\u827a\uff0c\u6210\u529f\u5236\u5907\u4e86\u5177\u6709\u4e0d\u540cFe\u542b\u91cf\u7684\u5355\u76f8GFO\u8584\u819c\u3002\u7814\u7a76\u53d1\u73b0\u5f53\u8fc7\u91cf\u7684Fe\u5206\u5e03\u5728GFO\u6676\u80de\u5185\u5408\u9002\u7684\u9633\u79bb\u5b50\u4f4d\u70b9\u65f6\uff0c\u8584\u819c\u7684Tc<\/sub>\u9ad8\u4e8e\u5ba4\u6e29\u3002\u5728\u5ba4\u6e29\u4e0b\uff0c\u901a\u8fc7\u5149\u5b66\u4e8c\u6b21\u8c10\u6ce2\u6781\u56fe\uff08SHG\uff09\u3001\u7535\u6ede\u56de\u7ebf\u3001\u70ed\u91ca\u7535\u66f2\u7ebf\u548c\u538b\u7535\u529b\u663e\u5fae\u955c\uff08PFM\uff09\u8bc1\u5b9e\u4e86GFO\u8584\u819c\u7684\u94c1\u7535\u6027\uff0c\u5e76\u4e14\u901a\u8fc7\u65bd\u52a0\u9762\u5185\u78c1\u573a\u89c2\u6d4b\u4e86\u5916\u78c1\u573a\u8c03\u63a7\u7684\u538b\u7535\u54cd\u5e94\u53d8\u5316\uff0c\u8bc1\u660e\u4e86GFO\u8584\u819c\u7684\u5ba4\u6e29\u78c1\u7535\u8026\u5408\u73b0\u8c61\u3002GFO\u8584\u819c\u7684\u78c1\u7535\u8026\u5408\u73b0\u8c61\u53ef\u4ee5\u89e3\u91ca\u4e3a\uff1aGFO\u7684\u78c1\u6027\u6765\u6e90\u4e8eFe1-O-Fe2\u94fe\u7684\u8d85\u4ea4\u6362\u76f8\u4e92\u4f5c\u7528\uff0c\u800c\u8fc7\u91cf\u7684Fe\u539f\u5b50\u53ef\u4ee5\u5728GFO\u6676\u683c\u5185\u5f62\u6210\u989d\u5916\u7684Fe1-O-Fe*\u952e\uff0c\u5f53\u9762\u5185\uff08\u6cbfc\u8f74\uff09\u78c1\u573a\u4ece0 Oe\u589e\u52a0\u52302000 Oe\u65f6\uff0cFe2\u548cFe*\u6676\u4f4d\u5904\u7684\u78c1\u77e9\u589e\u5927\u800cFe1\u6676\u4f4d\u5904\u7684\u78c1\u77e9\u51cf\u5c0f\uff0c\u5e76\u4e14\u8fd9\u4e9b\u78c1\u77e9\u7684\u53d8\u5316\u5bfc\u81f4Fe2\u548cFe*\u6676\u4f4d\u5904\u7684\u626d\u66f2\u516b\u9762\u4f53\u6cbf\u9762\u5916\uff08\u6cbfb\u8f74\uff09\u7684\u53d8\u5f62\u589e\u5927\uff0c\u4ece\u800c\u589e\u5f3a\u4e86GFO\u8584\u819c\u7684\u538b\u7535\u54cd\u5e94\u3002\u8fd9\u4e00\u7cfb\u5217\u7814\u7a76\u8bc1\u5b9e\u4e86\u5ba4\u6e29\u4e0b\u5177\u6709\u8fc7\u9971\u548cFe\u542b\u91cf\u7684GFO\u8584\u819c\u4e3a\u5177\u6709\u78c1\u7535\u8026\u5408\u7684\u5ba4\u6e29\u5355\u76f8\u591a\u94c1\u6750\u6599\uff0c\u4e3a\u5176\u5728\u5fae\u7535\u5b50\u548c\u81ea\u65cb\u7535\u5b50\u5668\u4ef6\u4e2d\u7684\u5e94\u7528\u6253\u4e0b\u4e86\u57fa\u7840\u3002<\/p>\n

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

\u56fe1. GFO\u7684\u7ed3\u6784\u3001\u5c40\u90e8\u78c1\u6784\u578b\u548c\u952e\u957f<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09GFO\u7684\u7ed3\u6784\uff0c\u5305\u542b\u4e86Ga1\uff0cGa2\uff0cFe1\u548cFe2\u56db\u4e2a\u5b50\u6676\u683c\uff1b<\/p>\n

\uff08b\uff09\u4e0a\u56fe\uff1aGFO\u4e2dFe1\u548cFe2\u6676\u4f4d\u5904\u6cbfc\u8f74\u7684\u5c40\u90e8\u78c1\u6784\u578b\uff0c\u7bad\u5934\u6307\u793a\u4e86Fe 1\u548cFe 2\u6676\u4f4d\u5904\u7684\u78c1\u77e9\u65b9\u5411\uff1b\u4e0b\u56fe\uff1a\u5728Fe1\u548cFe2\u516b\u9762\u4f53\u4e2d\u7684Fe-O\u952e\u957f\uff0c\u7bad\u5934\u663e\u793aFe\u539f\u5b50\u504f\u79bb\u4e2d\u5fc3\u7684\u4f4d\u79fb\u548c\u65b9\u5411\uff1b<\/p>\n

\uff08c\uff09\u4e0a\u56fe\uff1a\u5177\u6709\u8fc7\u91cfFe\u79bb\u5b50\u7684GFO\u4e2dFe1\uff0cFe2\u548cFe*\u6676\u4f4d\u5904\u6cbfc\u8f74\u7684\u5c40\u90e8\u78c1\u6784\u578b\uff1b\u4e0b\u56fe\uff1aGa2\u548cFe*\u516b\u9762\u4f53\u4e2d\u7684Ga\/Fe-O\u952e\u957f\u3002<\/p>\n

\u56fe2. GFO\u8584\u819c\u7684XRD\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09GFO(0,50,100\u548c200)\u8584\u819c\u7684\u9762\u5916\u00a0XRD\u56fe\uff1b<\/p>\n

\uff08b\uff09GFO(0)\u548c\uff08c\uff09GFO(50)\u8584\u819c\u6cbfGFO (311)\u9762\uff0cYSZ (111)\u9762\u548cITO (111)\u9762\u7684-\u626b\u63cf\u56fe\u3002<\/p>\n

\u6ce8<\/strong>\uff1a\u201cGFO(X)\u201d\u8868\u793a\u8584\u819c\u6c89\u79ef\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2a\u9776\u6750\u5207\u6362\u5faa\u73af\u8fc7\u7a0b\u5185\uff0c\u6fc0\u5149\u8f70\u51fbGFO\u9776\u6750100\u6b21\u65f6\uff0c\u6fc0\u5149\u8f70\u51fbFe2<\/sub>O3<\/sub>\u9776\u6750\u6b21\u6570\u4e3aX(= 0\uff0c20\uff0c50\uff0c100\uff0c200)\u7684\u60c5\u51b5\u4e0b\u6240\u5236\u5907\u7684\u8584\u819c\u3002<\/p>\n

\u56fe3. GFO\u7684EDS\u5143\u7d20\u5206\u5e03\u56fe\u548cSTEM<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a-d\uff09GFO(200)\u8584\u819c\u8868\u9762\u4e0aFe\u548cGa\u5143\u7d20\u5728\uff08a\uff0cb\uff09\u548c\uff08c\uff0cd\uff091\u533a\u57df\u7684EDS\u5143\u7d20\u5206\u5e03\u56fe\uff1b<\/p>\n

\uff08e\uff09GFO(50)\u8584\u819c\u7684\u4f4e\u500d\u7387STEM\u56fe\u50cf\uff1b<\/p>\n

\uff08f\uff0cg\uff09\u5305\u542bITO\/YSZ\u548cGFO\/ITO\u754c\u9762\u7684\u9ad8\u500d\u7387Z-\u886c\u5ea6STEM\u56fe\u50cf\u3002<\/p>\n

\u56fe4. GFO\u8584\u819c\u5ba4\u6e29\u78c1\u6027\u80fd\u7684\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09GFO(X)\u548cFe2<\/sub>O3<\/sub>\u8584\u819c\u7684\u78c1\u5316\u5f3a\u5ea6\u4e0e\u6e29\u5ea6\u5173\u7cfb\u56fe\uff1b<\/p>\n

\uff08b\uff09GFO(X)\u8584\u819c\u7684Tc<\/sub>\u4ee5\u53ca80 K\u6e29\u5ea6\u6761\u4ef6\u4e0b\u78c1\u5316\u5f3a\u5ea6\u4e0e\u6e29\u5ea6\u5173\u7cfb\u56fe\uff1b<\/p>\n

\uff08c\uff09GFO(100,200)\u8584\u819c\u5728\u5ba4\u6e29\u4e0b\u7684\u78c1\u6ede\u56de\u7ebf\uff0c\u63d2\u56fe\u4e3aGFO(0,200)\u8584\u819c\u572880K\u6e29\u5ea6\u6761\u4ef6\u4e0b\u7684\u78c1\u6ede\u56de\u7ebf\uff1b<\/p>\n

\uff08d-e\uff09GFO(X)\u548cFe2<\/sub>O3<\/sub>\u8584\u819c\u7684(d)XAS\u548c(e)XMCD\u5149\u8c31\u56fe\u3002<\/p>\n

\u56fe5. GFO\u8584\u819c\u5ba4\u6e29\u94c1\u7535\u548c\u538b\u7535\u6027\u80fd\u7684\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u968f\u504f\u632f\u89d2\u53d8\u5316\u7684GFO(100)SHG\u6781\u56fe\uff1b<\/p>\n

\uff08b\uff09GFO(100)\u7684\u7535\u6ede\u56de\u7ebf\uff1b<\/p>\n

\uff08c\uff09\u4e0d\u540c\u6781\u5316\u72b6\u6001\u4e0bGFO(100)\u8584\u819c\u7684\u70ed\u91ca\u7535\u7535\u6d41\u4e0e\u6e29\u5ea6\u53d8\u5316\u5173\u7cfb\u56fe\uff1b<\/p>\n

\uff08d\uff09GFO(200)\u7684\u8776\u5f62\u66f2\u7ebf\u548c\u5355\u70b9PFM\u76f8\u4f4d-\u7535\u538b\u56fe\uff1b<\/p>\n

\uff08e\uff0cf\uff09GFO(200)\u5728PFM\u5199\u7574\u540e\u8bfb\u53d6\u7684\u632f\u5e45\u548c\u76f8\u4f4d\u5206\u5e03\u56fe\uff1b<\/p>\n

\uff08g\uff09GFO(200)\u4e0a15\u4e2a\u70b9\u4e00\u9636\u548c\u4e8c\u9636\u8c10\u632f\u538b\u7535\u54cd\u5e94\u5e73\u5747\u503c\u4e0eAC\u7535\u538b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

\u56fe6. GFO\u8584\u819c\u78c1\u7535\u8026\u5408\u6027\u80fd\u7684\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a-c\uff09GFO(50)\u8584\u819c\u57280 Oe\u548c2000 Oe\u4e0b\u7684(a)\u4e00\u9636\u8c10\u632f\u538b\u7535\u54cd\u5e94\u3001(b)\u4e8c\u9636\u8c10\u632f\u538b\u7535\u54cd\u5e94\u548c(c)\u538b\u7535\u54cd\u5e94\u56de\u7ebf\u56fe\uff1b<\/p>\n

\uff08d\uff090 Oe\u548c\uff08e\uff092000 Oe\u4e0b\u7684GFO\uff0850\uff09\u7684PFM\u632f\u5e45\u5206\u5e03\u56fe\uff1b<\/p>\n

\uff08f\uff09\u76f8\u5e94\u7684\u76f4\u65b9\u56fe\u5206\u5e03\u3002<\/p>\n

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

\u8be5\u7814\u7a76\u4f7f\u7528\u53cc\u9776\u6750\u7684\u8109\u51b2\u6fc0\u5149\u6c89\u79ef(PLD)\u5de5\u827a\u6210\u529f\u5236\u5907\u4e86\u5177\u6709\u4e0d\u540cFe\u542b\u91cf\u7684GFO(X)\u8584\u819c\uff0c\u5e76\u4e14\u83b7\u5f97\u7684GFO(X)\u8584\u819c\u4e3a\u9ad8\u8d28\u91cf\u7684\u5355\u76f8\u5916\u5ef6\u8584\u819c\u3002\u7ed3\u5408\u8d85\u5bfc\u91cf\u5b50\u5e72\u6d89\u8bbe\u5907(SQUID)\u3001XAS\u548cX\u5c04\u7ebf\u78c1\u6027\u5706\u4e8c\u8272\u6027(XMCD)\u7b49\u6280\u672f\uff0c\u63ed\u793a\u4e86GFO(X)\u8584\u819c\u7684\u5ba4\u6e29\u4e9a\u94c1\u78c1\u6027\uff0cGFO(X)\u8584\u819c\u7684Tc\u6e29\u5ea6\u63d0\u5347\u5230\u5ba4\u6e29\u4ee5\u4e0a\u662f\u7531\u4e8e\u8fc7\u91cf\u7684Fe\u5206\u5e03\u5728GFO\u6676\u80de\u5185\u5408\u9002\u7684\u9633\u79bb\u5b50\u6676\u4f4d\u3002\u901a\u8fc7SHG\u3001\u7535\u6ede\u56de\u7ebf\u3001\u70ed\u91ca\u7535\u66f2\u7ebf\u548cPFM\u7b49\u6280\u672f\u9a8c\u8bc1\u4e86GFO(X)\u8584\u819c\u7684\u5ba4\u6e29\u94c1\u7535\u6027\u548c\u538b\u7535\u6027\uff0c\u8bc1\u5b9e\u4e86GFO(X)\u8584\u819c\u7684\u5ba4\u6e29\u591a\u94c1\u6027\uff0c\u5e76\u4e14\u901a\u8fc7\u5916\u90e8\u78c1\u573a\u8c03\u63a7\u538b\u7535\u54cd\u5e94\u8bc1\u660e\u4e86\u6750\u6599\u7684\u5ba4\u6e29\u78c1\u7535\u8026\u5408\u6548\u5e94\u3002\u56e0\u6b64\uff0c\u8fd9\u4e00\u7cfb\u5217\u7684\u7814\u7a76\u8bc1\u5b9e\u4e86\u5355\u76f8GFO(X)\u8584\u819c\u4e3a\u5ba4\u6e29\u4e0b\u5177\u6709\u78c1\u7535\u8026\u5408\u6548\u5e94\u7684\u5355\u76f8\u591a\u94c1\u6750\u6599\u3002<\/p>\n

\u3010\u6587\u732e\u4fe1\u606f\u3011<\/strong><\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Tuning Fe concentration in epitaxial gallium ferrite thin films for room temperature multiferroic properties<\/a>\uff08Acta Materialia, 2018, doi.org\/10.1016\/j.actamat.2017.12.041\uff09<\/p>\n

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