{"id":140392,"date":"2018-05-30T14:00:51","date_gmt":"2018-05-30T06:00:51","guid":{"rendered":"\/\/m.iemloyee.com\/?p=140392"},"modified":"2018-05-27T21:27:57","modified_gmt":"2018-05-27T13:27:57","slug":"phy-rev-lett-%ef%bc%9a%e9%9d%9e%e6%99%b6%e6%80%81ge-sb-te%e7%9b%b8%e5%8f%98%e6%9d%90%e6%96%99%e7%9a%84%e5%b1%80%e5%9f%9f%e5%8e%9f%e5%ad%90%e7%bb%93%e6%9e%84%e5%bd%a2%e5%8f%98","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=140392","title":{"rendered":"Phy. Rev. Lett.\uff1a\u975e\u6676\u6001Ge-Sb-Te\u76f8\u53d8\u6750\u6599\u7684\u5c40\u57df\u539f\u5b50\u7ed3\u6784\u5f62\u53d8"},"content":{"rendered":"

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

\u76f8\u53d8\u8bb0\u5f55\u6750\u6599\u73b0\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5546\u4e1a\u5149\u76d8\u4e2d\uff0c\u901a\u8fc7\u5341\u51e0\u7eb3\u79d2\u8d85\u5feb\u6676\u4f53-\u975e\u6676\u7ed3\u6784\u76f8\u53d8\u9a71\u52a8\u7684\uff0c\u800c\u975e\u6676\u76f8\u548c\u6676\u76f8\u7684\u6298\u5c04\u7387\u5b58\u5728\u5dee\u5f02\uff0c\u4ee5\u5b9e\u73b0\u8bb0\u5f55\u548c\u64e6\u9664\u529f\u80fd\u3002\u6b64\u524d\uff0c\u5927\u91cf\u7684\u5b9e\u9a8c\u548c\u6a21\u62df\u7814\u7a76\u81f4\u529b\u4e8e\u9610\u660e\u548c\u5149\u5b66\u886c\u6bd4\u76f8\u5173\u7684\u6676\u4f53-\u975e\u6676\u76f8\u4e4b\u95f4\u7684\u5feb\u901f\u7ed3\u6784\u76f8\u53d8\uff0c\u4f46\u5176\u4e2d\u673a\u5236\u4ecd\u4e0d\u6e05\u695a\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u65e5\u672c\u4e1c\u5317\u5927\u5b66<\/strong>\u7684A. Hirata<\/strong>\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Physical Review Letters<\/strong>\u4e0a\u53d1\u8868\u6700\u65b0\u7814\u7a76\u6210\u679c\u201cDistortion of Local Atomic Structures in Amorphous Ge-Sb-Te Phase Change Materials<\/strong>\u201d\u3002\u8be5\u5de5\u4f5c\u62a5\u9053\u4e86\u501f\u52a9\u57c3\u675f\u7535\u5b50\u884d\u5c04\u5206\u6790\u7ed3\u5408\u201c\u5c40\u57df\u201d\u53cd\u8499\u7279\u5361\u6d1b\u6a21\u62df\uff0c\u76f4\u63a5\u89c2\u5bdf\u4e86\u975e\u6676Ge2<\/sub>Sb2<\/sub>Te5<\/sub>\u7684\u5c40\u57df\u539f\u5b50\u7ed3\u6784\u3002\u7ed3\u679c\u8bc1\u5b9e\u7c7b\u5ca9\u76d0\u578b\u6676\u4f53\u62d3\u6251\u5c40\u57df\u7ed3\u6784\u7684\u5b58\u5728\uff0c\u548c\u6676\u4f53\u5bf9\u79f0\u6027\u6bd4\u8f83\u53d1\u751f\u4e86\u6781\u5927\u7684\u626d\u66f2\u53d8\u5f62\u3002\u8fd9\u4e00\u53d8\u5f62\u5bfc\u81f4\u7406\u60f3\u516b\u9762\u4f53\u539f\u5b50\u73af\u5883\u7684\u7834\u7f3a\uff0c\u56e0\u800c\u5f62\u6210\u5c40\u57df\u65e0\u5e8f\u7ed3\u6784\uff0c\u57fa\u672c\u6ee1\u8db3\u6574\u4f53\u7684\u975e\u6676\u7ed3\u6784\u56e0\u6570\u3002\u7c7b\u6676\u76f8\u7684\u53d8\u5f62\u516b\u9762\u4f53\u7ed3\u6784\u53ef\u80fd\u662fGe-Sb-Te\u975e\u6676\u7ed3\u6784\u5f62\u6210\u7684\u4e3b\u8981\u7ed3\u6784\u5355\u5143\u3002<\/p>\n

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

\u56fe1\uff1a\u975e\u6676Ge2<\/sub>Sb2<\/sub>Te5<\/sub>\u8584\u819c\u7684\u57c3\u675f\u7535\u5b50\u884d\u5c04\uff08ABED\uff09\u56fe\u50cf\u3002<\/strong><\/p>\n

\"\"<\/p>\n

(a) Ge2<\/sub>Sb2<\/sub>Te5<\/sub>\u7684\u5ca9\u76d0\u578b\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(b)-(d)\u56db\u91cd\u5ca9\u76d0[001]\u578b\u3001\u4e8c\u91cd\u5ca9\u76d0[011]\u578b\u548c\u516d\u91cd\u5ca9\u76d0[111]\u578b\u975e\u6676Ge2<\/sub>Sb2<\/sub>Te5<\/sub>\u7684\u5178\u578b\u57c3\u675f\u7535\u5b50\u884d\u5c04\uff08ABED\uff09\u56fe\u50cf\uff1b<\/p>\n

(e)\u6cbf\u5706\u5468\u65b9\u5411\u7684\u56db\u91cd\u548c\u516d\u91cd\u82b1\u6837\u7684\u5f3a\u5ea6\u5206\u5e03\uff1b<\/p>\n

(f)\u4e00\u822c\u7535\u5b50\u884d\u5c04\u5f97\u5230\u7684\u603b\u5f3a\u5ea6\u548c\u4ec5\u542b\u5ca9\u76d0\u578bABED\u82b1\u6837\u7684\u7d2f\u8ba1\u5f3a\u5ea6\u3002<\/p>\n

\u56fe2\uff1aABED\u5b9e\u9a8c\u7684\u5c40\u57df\u53cd\u8499\u7279\u5361\u6d1b\uff08RMC\uff09\u6a21\u62df\u3002<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u5c40\u57dfRMC\u6a21\u62df\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(b)\u5bf9\u539f\u59cb\u5ca9\u76d0\u578b\u7ed3\u6784\u4e2d\u56db\u91cd\u5bf9\u79f0\u6027\u8fdb\u884c\u6a21\u62df\u5f97\u5230\u7684ABED\u56fe\u50cf\uff1b<\/p>\n

(c)\u6700\u7ec8\u6a21\u578b\u7684\u6a21\u62dfABED\u56fe\u50cf\uff1b<\/p>\n

(d)\u7528\u4e8e\u6a21\u62df\u7684\u5b9e\u9a8cABED\u56fe\u50cf\uff1b<\/p>\n

(e)\u6700\u7ec8\u6a21\u578b\u7684\u53d8\u5f62\u516b\u9762\u4f53\u6784\u578b\uff1b<\/p>\n

(f)\u6839\u636e\u6700\u7ec8\u6a21\u578b\u5f97\u5230\u7684\u63a5\u8fd1\u516d\u91cd\u5bf9\u79f0\u6027\u7684\u6a21\u62dfABED\u56fe\u50cf\uff1b<\/p>\n

(g)\u6839\u636e\u521d\u59cb\u5ca9\u76d0\u578b\u6a21\u578b\u548c\u6700\u7ec8\u6a21\u578b\u8ba1\u7b97\u5f97\u5230\u7684\u7ed3\u6784\u56e0\u5b50S(Q)\u56fe\u3002<\/p>\n

\u56fe3\uff1a\u7c7b\u5ca9\u76d0\u578b\u7ed3\u6784\u7684ab initio\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u578b\u3002<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u7528ab initio\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u6784\u5efa\u7684\u975e\u6676Ge-Sb-Te\u6a21\u578b\u793a\u610f\u56fe\uff1b<\/p>\n

(b)\u7531<0 6 0 0>\u516b\u9762\u4f53\u7684\u4e2d\u5fc3\u539f\u5b50\u5230\u516d\u4e2a\u9876\u70b9\u539f\u5b50\u7684\u952e\u957f\u5206\u5e03\uff1b<\/p>\n

(c-e)\u6cbf[001]-\u3001[011]-\u3001[111]-\u65b9\u5411\u7684\u5ca9\u76d0\u578b\u5c40\u57df\u7ed3\u6784\u56fe\u50cf\u3002<\/p>\n

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

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\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Distortion of Local Atomic Structures in Amorphous Ge-Sb-Te Phase Change Materials<\/a>\uff08Phy. Rev. Lett.\uff0c2018\uff0cDOI\uff1a10.1103\/PhysRevLett.120.205502\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u8ba1\u7b97\u6750\u6599\u7ec4Isobel\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

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\u6b22\u8fce\u5927\u5bb6\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\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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