{"id":97698,"date":"2017-08-25T10:00:14","date_gmt":"2017-08-25T02:00:14","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=97698"},"modified":"2017-08-25T10:50:19","modified_gmt":"2017-08-25T02:50:19","slug":"%e5%8c%97%e8%88%aaj-am-ceram-soc-%ef%bc%9a%e5%8f%8d%e9%92%99%e9%92%9b%e7%9f%bf%e7%bb%93%e6%9e%84mn3ga1-xgexn%e7%9a%84%e5%8f%af%e8%b0%83%e8%b4%9f%e7%83%ad%e8%86%a8%e8%83%80%e6%80%a7%e5%92%8c","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=97698","title":{"rendered":"\u5317\u822aJ. Am. Ceram. Soc.\uff1a\u53cd\u9499\u949b\u77ff\u7ed3\u6784Mn3Ga1-xGexN\u7684\u53ef\u8c03\u8d1f\u70ed\u81a8\u80c0\u6027\u548c\u7ed3\u6784\u6f14\u5316"},"content":{"rendered":"

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

\u8d1f\u70ed\u81a8\u80c0(NTE)\u6750\u6599\u5728\u52a0\u70ed\u6761\u4ef6\u4e0b\u4f1a\u53d1\u751f\u6536\u7f29\uff0c\u901a\u8fc7\u5143\u7d20\u53d6\u4ee3\u6216\u4e0e\u6b63\u70ed\u81a8\u80c0\u6750\u6599\u590d\u5408\u53ef\u4ee5\u8c03\u8282NTE\u6750\u6599\u7684\u70ed\u81a8\u80c0\u7cfb\u6570\uff0c\u5236\u5907\u5f97\u5230\u96f6\u70ed\u81a8\u80c0(ZTE)\u6750\u6599\u3002\u9700\u8981\u6307\u51fa\u7684\u662f\uff1aZTE\u590d\u5408\u6750\u6599\u5728\u6e29\u5ea6\u53d8\u5316\u65f6\u4f1a\u4ea7\u751f\u70ed\u5e94\u53d8\uff0c\u800c\u5355\u76f8\u7684ZTE\u6750\u6599\u5219\u53ef\u4ee5\u5728\u7ecf\u5386\u9aa4\u70ed\u6216\u9aa4\u51b7\u65f6\u4e0d\u4ea7\u751f\u70ed\u51b2\u51fb\uff0c\u56e0\u800c\u5355\u76f8ZTE\u6750\u6599\u5177\u5907\u66f4\u5927\u7684\u6f5c\u5728\u5b9e\u7528\u4ef7\u503c\u3002\u53cd\u9499\u949b\u77ff\u7ed3\u6784\u7684Mn3<\/sub>GaN\u867d\u7136\u5177\u5907\u4f18\u5f02\u7684NTE\u7279\u6027\uff0c\u4f46\u76f8\u5bf9\u8f83\u7a84\u7684\u5de5\u4f5c\u6e29\u5ea6\u533a\u95f4\u5f88\u5927\u7a0b\u5ea6\u4e0a\u9650\u5236\u4e86\u5176\u5b9e\u9645\u5e94\u7528\u3002\u7814\u7a76\u53d1\u73b0\uff1a\u5728Mn3<\/sub>AN\u7684A\u4f4d\u70b9\u5904\u8fdb\u884c\u90e8\u5206\u63ba\u6742\u53ef\u4ee5\u8c03\u8282\u5176NTE\u6027\u80fd\uff0c\u62d3\u5bbdNTE\u6750\u6599\u7684\u5de5\u4f5c\u6e29\u5ea6\u533a\u95f4\u3002\u9517(Ge)\u63ba\u6742\u7684NTE\u6750\u6599Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N\u662f\u8fd1\u5e74\u6765\u7684\u7814\u7a76\u70ed\u70b9\uff0c\u4f46\u5176NTE\u5de5\u4f5c\u6e29\u5ea6\u533a\u95f4\u76f8\u5bf9\u8f83\u7a84\u4e14\u4e0eNTE\u76f8\u5173\u7684\u7ed3\u6784\u7ec6\u8282\u8fd8\u6709\u5f85\u8fdb\u4e00\u6b65\u7814\u7a76\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5317\u4eac\u822a\u7a7a\u822a\u5929\u5927\u5b66\u7684\u738b\u806a\u548c\u5b59\u83b9<\/strong>(<\/strong>\u5171\u540c\u901a\u8baf\u4f5c\u8005<\/strong>)<\/strong>\u7b49<\/strong>\u5728J. Am. Ceram. Soc.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a<\/strong>\u201cTunable negative thermal expansion and structural evolution in anti-perovskite Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N (0<\/strong>\u2264<\/strong>x<\/strong>\u2264<\/strong>1.0)\u201d<\/strong>\u7684\u7814\u7a76\u8bba\u6587\uff0c\u62a5\u9053\u4e86Ge\u63ba\u6742\u53cd\u9499\u949b\u77ff\u7ed3\u6784Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N\u7684\u53ef\u8c03\u8d1f\u70ed\u81a8\u80c0\u7279\u6027\u53ca\u5176\u7ed3\u6784\u6f14\u5316\u7684\u6700\u65b0\u7814\u7a76\u6210\u679c\u3002\u7814\u7a76\u56e2\u961f\u501f\u52a9\u53ef\u53d8\u6e29\u5ea6XRD\u63ed\u793a\u4e86NTE\u7279\u6027\u7684\u8d77\u6e90\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff1aGe\u63ba\u6742\u662f\u5f15\u8d77Mn3<\/sub>GaN\u6676\u4f53\u7ed3\u6784\u53d8\u5316\u7684\u4e3b\u8981\u539f\u56e0\uff1b\u968f\u7740Ge\u63ba\u6742\u91cf\u7684\u9010\u6e10\u589e\u5927\uff0c\u4ea7\u7269\u7684\u6676\u4f53\u7ed3\u6784\u7531\u7acb\u65b9\u76f8\u8f6c\u53d8\u4e3a\u56db\u65b9\u76f8\uff1b\u5728\u8f83\u5bbd\u7684\u63ba\u6742\u533a\u95f4(x=0.2, 0.5, 0.6), Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N\u4e2d\u5b58\u5728\u56db\u65b9\u76f8\u548c\u7acb\u65b9\u76f8\u4e24\u76f8\u5171\u5b58\u7684\u73b0\u8c61\u3002\u5728\u8f83\u4f4e\u7684\u5de5\u4f5c\u6e29\u533a\u95f4\uff0c\u5f53x=0.2\u65f6\u7ed3\u6784\u4e2d\u7acb\u65b9\u0399\u76f8\u548c\u7acb\u65b9\u2161\u76f8\u5171\u5b58\uff0c\u5f53x=0.5, 0.6\u65f6\u7ed3\u6784\u4e2d\u7acb\u65b9\u0399\u76f8\u548c\u56db\u65b9\u76f8\u5171\u5b58\u3002\u53ef\u8c03\u7684NTE\u7279\u6027\u5728\u7cbe\u5bc6\u5668\u4ef6\u9886\u57df\u5177\u5907\u53ef\u89c2\u7684\u5b9e\u9645\u5e94\u7528\u4ef7\u503c\u3002<\/p>\n

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

\u56fe<\/strong>1. Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N (0<\/strong>\u2264<\/strong>x<\/strong>\u2264<\/strong>1.0)<\/strong>\u7684<\/strong>XRD<\/strong>\u8868\u5f81\u548c\u6676\u4f53\u7ed3\u6784\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(A) \u5ba4\u6e29\u4e0bMn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N (0\u2264x\u22640)\u7684XRD\u7279\u5f81\u884d\u5c04\u56fe\u8c31\uff1b<\/p>\n

(B) \u7acb\u65b9\u6676\u4f53\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(C) \u56db\u65b9\u6676\u4f53\u7ed3\u6784\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe<\/strong>2. Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N (0<\/strong>\u2264<\/strong>x<\/strong>\u2264<\/strong>1.0)<\/strong>\u7684\u7ebf\u6027\u70ed\u81a8\u80c0\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3. <\/strong>\u5728<\/strong>250-600 K<\/strong>\u6e29\u5ea6\u8303\u56f4\u5185<\/strong>Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N (0<\/strong>\u2264<\/strong>x<\/strong>\u2264<\/strong>1.0)<\/strong>\u70ed\u6d41<\/strong>–<\/strong>\u6e29\u5ea6\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4. <\/strong>\u4e0d\u540c\u63ba\u6742\u91cf<\/strong>Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N (0<\/strong>\u2264<\/strong>x<\/strong>\u2264<\/strong>1.0)<\/strong>\u6676\u683c\u5e38\u6570<\/strong>–<\/strong>\u6e29\u5ea6\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

(A)-(E) \u4e0d\u540c\u63ba\u6742\u91cfMn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N (0\u2264x\u22641.0)\u6676\u683c\u5e38\u6570-\u6e29\u5ea6\u66f2\u7ebf;<\/p>\n

(F) \u4e0d\u540c\u63ba\u6742\u91cfMn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N(x = 0.2,0.5,0.6,0.8,1.0)\u4f53\u79ef-\u6e29\u5ea6\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>5. Mn3<\/sub>Ga0.4<\/sub>Ge0.6<\/sub>N<\/strong>\u7684\u78c1\u6027\u7279\u6027\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

(A) \u52a0\u573a\u51b7\u5374\uff08H=500 Oe\uff09\u4e0b\u7684\u78c1\u5316\u5f3a\u5ea6\u548c\u6e29\u5ea6\u7684\u5173\u7cfb\u66f2\u7ebf\uff1b(\u63d2\u56fe\u4e3a10 K\u548c220 K\u6e29\u5ea6\u4e0b\u6837\u54c1\u78c1\u573a\u548c\u78c1\u5316\u5f3a\u5ea6\u7684\u5173\u7cfb\u66f2\u7ebf)\uff1b<\/p>\n

(B) \u53cd\u5411\u78c1\u5316\u3001\u70ed\u6d41\u66f2\u7ebf\u3001\u7ebf\u6027\u70ed\u81a8\u80c0\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u66f2\u7ebf\u3002<\/p>\n

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

\u672c\u6587\u4f7f\u7528Ge\u4f5c\u4e3aMn3<\/sub>GaN\u7684\u63ba\u6742\u5242\uff0c\u5236\u5907\u5f97\u5230\u4e86\u8d1f\u70ed\u81a8\u80c0\u6027\u80fd\u53ef\u8c03\u7684\u53cd\u9499\u949b\u77ff\u7ed3\u6784\u7684Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N\uff0c\u5e76\u501f\u52a9\u6e29\u5ea6\u53ef\u53d8XRD\u7814\u7a76\u4e86\u8d1f\u70ed\u81a8\u80c0\u6027\u80fd\u7684\u8d77\u6e90\u3002\u7814\u7a76\u53d1\u73b0\uff1a Ge\u63ba\u6742\u662f\u5f15\u8d77Mn3<\/sub>GaN\u6676\u4f53\u7ed3\u6784\u53d8\u5316\u7684\u4e3b\u8981\u539f\u56e0\uff1b\u968f\u7740Ge\u63ba\u6742\u91cf\u7684\u9010\u6e10\u589e\u5927\uff0c\u4ea7\u7269\u7684\u6676\u4f53\u7ed3\u6784\u9010\u6e10\u7531\u7acb\u65b9\u76f8\u8f6c\u53d8\u4e3a\u56db\u65b9\u76f8\uff1b\u4f4e\u6e29\u6761\u4ef6\u4e0b\uff0c\u5728\u76f8\u5bf9\u8f83\u5bbd\u7684\u63ba\u6742\u91cf\u533a\u95f4Mn3<\/sub>Ga1-x<\/sub>Gex<\/sub>N\u6676\u4f53\u4e2d\u7acb\u65b9\u76f8\u548c\u56db\u65b9\u76f8\u4e24\u76f8\u5171\u5b58\u3002\u53ef\u8c03\u7684NTE\u7279\u6027\u5728\u7cbe\u5bc6\u5668\u4ef6\u9886\u57df\u5177\u5907\u76f8\u5f53\u7684\u5b9e\u9645\u5e94\u7528\u4ef7\u503c\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Tunable negative thermal expansion and structural evolution in antiperovskite Mn3Ga1\u2212xGexN (0 \u2264 x \u2264 1.0) <\/a>\u00a0(J. Am. Ceram. Soc., 2017, DOI:\u00a010.1111\/jace.15099)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5f20\u6770\u7f16\u8bd1\uff0c\u4e01\u83f2\u83f2\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/u><\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u8d1f\u70ed\u81a8\u80c0(NTE)\u6750\u6599\u5728\u52a0\u70ed\u6761\u4ef6\u4e0b\u4f1a\u53d1\u751f\u6536\u7f29\uff0c\u901a\u8fc7\u5143\u7d20\u53d6\u4ee3\u6216\u4e0e\u6b63\u70ed\u81a8\u80c0\u6750\u6599\u590d\u5408\u53ef\u4ee5\u8c03\u8282NTE\u6750\u6599\u7684\u70ed\u81a8\u80c0\u7cfb\u6570\uff0c\u5236\u5907\u5f97\u5230\u96f6\u70ed\u81a8\u80c0(ZTE)\u6750\u6599\u3002\u9700\u8981\u6307\u51fa…<\/p>\n","protected":false},"author":230,"featured_media":97699,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[31],"class_list":["post-97698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-dianzi"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/97698"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/230"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=97698"}],"version-history":[{"count":3,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/97698\/revisions"}],"predecessor-version":[{"id":97791,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/97698\/revisions\/97791"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/media\/97699"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=97698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=97698"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=97698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}