{"id":24728,"date":"2016-07-06T17:00:02","date_gmt":"2016-07-06T09:00:02","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=24728"},"modified":"2016-07-06T23:13:34","modified_gmt":"2016-07-06T15:13:34","slug":"nature-communication%ef%bc%9a%e6%97%a5%e6%9c%ac%e4%b8%9c%e4%ba%ac%e5%a4%a7%e5%ad%a6%e7%a7%91%e5%ad%a6%e5%ae%b6%e9%a6%96%e6%ac%a1%e5%9c%a8mn%e6%8e%ba%e6%9d%82gaas%e6%9d%90%e6%96%99%e4%b8%ad%e5%8f%91","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=24728","title":{"rendered":"Nature Communications\uff1a\u65e5\u672c\u4e1c\u4eac\u5927\u5b66\u79d1\u5b66\u5bb6\u9996\u6b21\u5728Mn\u63ba\u6742GaAs\u6750\u6599\u4e2d\u53d1\u73b0\uff1a\u4f34\u968f\u94c1\u78c1\u76f8\u53d8\u8fc7\u7a0b\u4e2d\uff0c\u80fd\u5e26\u6709\u5e8f\u7684\u5feb\u901f\u6062\u590d"},"content":{"rendered":"

\u5f15\u8bed\uff1a<\/strong><\/p>\n

\u534a\u5bfc\u4f53\u4e2d\u80fd\u5e26\u7684\u6709\u5e8f\u662f\u51b3\u5b9a\u8f7d\u6d41\u5b50\u6ce2\u51fd\u6570\u7684\u79fb\u52a8\u6027\u548c\u8fde\u7eed\u6027\u7684\u91cd\u8981\u5f71\u54cd\u56e0\u7d20\uff0c\u56e0\u6b64\u4e5f\u662f\u51b3\u5b9a\u5668\u4ef6\u6027\u80fd\u7684\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\u3002\u7136\u800c\u5728\u91cd\u63ba\u6742\u7684\u534a\u5bfc\u4f53\u5f53\u4e2d\uff0c\u6742\u8d28\u76f8\u7684\u5b58\u5728\u4f1a\u4e0d\u53ef\u907f\u514d\u5f97\u5f71\u54cd\u80fd\u5e26\u6709\u5e8f\u6027\uff0c\u8fdb\u800c\u964d\u4f4e\u534a\u5bfc\u4f53\u7684\u6027\u80fd\u3002\u76ee\u524d\u51e0\u4e4e\u6240\u6709\u7684\u7814\u7a76\u8868\u660e\u968f\u7740\u63ba\u6742\u6d53\u5ea6\u7684\u63d0\u9ad8\uff0c\u4f1a\u4f7f\u5f97\u6750\u6599\u4e2d\u80fd\u5e26\u6709\u5e8f\u6027\u53d7\u5230\u5e72\u6270\uff0c\u964d\u4f4e\u8f7d\u6d41\u5b50\u6ce2\u51fd\u6570\u7684\u79fb\u52a8\u6027\u6216\u8fde\u7eed\u6027\u3002<\/p>\n

\u6210\u679c\u7b80\u4ecb\uff1a<\/strong><\/p>\n

\u8fd1\u671f\uff0c\u6765\u81ea\u65e5\u672c\u4e1c\u4eac\u5927\u5b66\u7684Iriya Muneta\uff08\u901a\u8baf\u4f5c\u8005\uff09\u3001Shinobu Ohya\uff08\u901a\u8baf\u4f5c\u8005\uff09\u548cMasaaki Tanaka\uff08\u901a\u8baf\u4f5c\u8005\uff09\u9996\u6b21\u62a5\u9053\u4e86\u5728Mn\u63ba\u6742GaAs\u4f53\u7cfb\u4e2d\uff08\uff08Ga\uff0cMn\uff09As\uff09\u7684\u53cd\u5e38\u73b0\u8c61\u3002\u7814\u7a76\u53d1\u73b0\u5f53Mn\u63ba\u6742\u91cf\u7a0d\u5fae\u8d85\u8fc70.7%\uff0cMn\u63ba\u6742GaAs\u6750\u6599\u4f1a\u51fa\u73b0\u80fd\u5e26\u6709\u5e8f\u7684\u5feb\u901f\u6062\u590d\uff0c\u8fd9\u4e2a\u73b0\u8c61\u5728\u4e00\u822c\u7684\u63ba\u6742\u534a\u5bfc\u4f53\u6750\u6599\u4f53\u7cfb\u4e2d\u5f88\u96be\u88ab\u9884\u6d4b\u5230\u3002\u540c\u65f6\u8be5\u73b0\u8c61\u7684\u53d1\u751f\u4f1a\u4f34\u968f\u7740\u94c1\u78c1\u6027\u76f8\u53d8\u7684\u8f6c\u53d8\uff0c\u800c\u94c1\u78c1\u6027\u76f8\u53d8\u7684\u51fa\u73b0\u88ab\u8ba4\u4e3a\u662f\u5728\u8c03\u63a7\u6709\u5e8f\u80fd\u5e26\u7ed3\u6784\u8fc7\u7a0b\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n

\u8be5\u9879\u7814\u7a76\u7ed3\u679c\u7684\u53d1\u73b0\u4e3a\u534a\u5bfc\u4f53\u57fa\u8d85\u9ad8\u901f\u91cf\u5b50\u81ea\u65cb\u6548\u5e94\u5668\u4ef6\u7684\u5b9e\u73b0\u63d0\u4f9b\u4e86\u53ef\u80fd\u3002<\/p>\n

\u56fe\u6587\u5bfc\u8bfb\uff1a<\/strong><\/p>\n

\u56fe<\/strong>1. Mn<\/strong>\u63ba\u6742<\/strong>GaAs<\/strong>\u6750\u6599\u5728\u4f34\u968f\u94c1\u78c1\u6027\u76f8\u53d8\u8fc7\u7a0b\u4e2d\u4ef7\u5e26\u80fd\u5e26\u6709\u5e8f\u6027\u6062\u590d\u7684\u5177\u4f53\u56fe\u89e3\u3002<\/strong><\/p>\n

\u56fe1. (a,c,e)\u4e2d\u7684\u84dd\u8272\u6ce2\u5f62\u4ee3\u8868\u4ef7\u5e26\u7a7a\u7a74\u5e03\u6d1b\u8d6b\u51fd\u6570\u7684\u5e73\u9762\u6ce2\u5305\u7edc\u51fd\u6570\u7684\u56fe\u5f62\uff0c\u5927\u7684\u7ea2\u8272\u81ea\u65cb\u56fe\u5f62\u4ee3\u8868\u5b9a\u57dfMn\u7684d\u8f68\u9053\u81ea\u65cb\u3002\u5c0f\u7684\u84dd\u8272\u81ea\u65cb\u56fe\u5f62\u4ee3\u8868\u5b9a\u57dfp-\u7a7a\u7a74\uff0c\u5b83\u548cMn\u7684d\u8f68\u9053\u4e4b\u95f4\u53d1\u751f\u53cd\u94c1\u78c1\u6027\u4ea4\u6362\u4f5c\u7528\uff1b(a)\u56fe\u4ee3\u8868\u987a\u78c1\u6027\u72b6\u6001\uff0c(c)\u56fe\u4ee3\u8868\u521a\u53d1\u751f\u94c1\u78c1\u6027\u8f6c\u53d8\u8fc7\u7a0b\u524d\u7684\u987a\u94c1\u78c1\u6027\u72b6\u6001\uff0c(e) \u56fe\u4ee3\u8868\u94c1\u78c1\u6027\u72b6\u6001\uff1b(b,d,f)\u56fe\u5206\u522b\u662f\u5f53GaMnAs\u5904\u4e8e\u987a\u78c1\u6027(b)\u3001\u521a\u53d1\u751f\u94c1\u78c1\u6027\u8f6c\u53d8\u8fc7\u7a0b\u524d\u7684\u987a\u94c1\u78c1\u6027\u72b6\u6001 (d)\u4ee5\u53ca\u94c1\u78c1\u6027\u72b6\u6001(f)\u65f6\u7684\u4ef7\u5e26\u8272\u6563\u66f2\u7ebf\uff08\u84dd\u8272\u66f2\u7ebf\uff09\u548c\u65e0\u8272\u6563\u6c34\u5e73\u80fd\u5e26\uff0c\u8fd9\u91cc\u7684\u7ea2\u8272\u865a\u7ebf\u4ee3\u8868\u8d39\u7c73\u80fd\u7ea7\uff1b(a,c)\u56fe\u6240\u793a\u5728\u987a\u78c1\u6027\u72b6\u6001\u4e2d\uff0c\u4ef7\u5e26\u7a7a\u7a74\u6ce2\u51fd\u6570\u4f1a\u88ab\u6742\u8d28\u539f\u5b50\u6240\u5e72\u6270\uff0c\u56e0\u6b64\u5728(b,d)\u4e2d\uff0c\u4ef7\u5e26\u6709\u5e8f\u6027\u4e5f\u4f1a\u53d7\u5230\u5e72\u6270\uff1b(e)\u56fe\u6240\u793a\u5728\u94c1\u78c1\u6027\u72b6\u6001\uff0c\u4ef7\u5e26\u7a7a\u7a74\u6ce2\u51fd\u6570\u5bf9\u4e8e\u5355\u4e2aMn\u539f\u5b50\u7684\u53d8\u5316\u4e0d\u654f\u611f\uff1b(e)\u56fe\u6240\u793a\u4ef7\u5e26\u7a7a\u7a74\u6ce2\u51fd\u6570\u80fd\u8fde\u7eed\u8fdb\u5165\u6676\u4f53\u4e2d\uff0c\u5e76\u80fd\u5efa\u7acb\u8d77\u6709\u5e8f\u7684\u4ef7\u5e26\u7ed3\u6784\u3002<\/p>\n

\"\u30d7\u30ea\u30f3\u30c8\"<\/p>\n

\u8868<\/strong>1. <\/strong>\u8868\u4e2d\u6240\u793a\u662f\u8be5\u7814\u7a76\u4e2d\u6837\u54c1\u7684\u4e00\u7cfb\u5217\u5177\u4f53\u53c2\u6570\u3002<\/strong><\/p>\n

x<\/em>\u4ee3\u8868Mn\u63ba\u6742\u6d53\u5ea6\uff0cy<\/em>\u4ee3\u8868\u9876\u90e8\u7535\u6781\u4e2dMn\u7684\u63ba\u6742\u6d53\u5ea6\uff0cd<\/em>\u4ee3\u8868\u91cf\u5b50\u9631\u7684\u539a\u5ea6\uff0cTs<\/sub>\u4ee3\u8868\u751f\u957f\u6e29\u5ea6\uff0cTc<\/sub>\u4ee3\u8868\u5c45\u91cc\u6e29\u5ea6\u3002<\/p>\n

\"1-6\"<\/p>\n

\u56fe<\/strong>2. <\/strong>\u5668\u4ef6\u7ed3\u6784\u7684\u56fe\u89e3\u548c\u5171\u632f\u96a7\u9053\u5149\u8c31\u539f\u7406\u3002<\/strong><\/p>\n

\u8be5\u7814\u7a76\u6240\u4f7f\u7528\u7684\u5668\u4ef6\u7531\u4ee5\u4e0b\u7ec4\u6210\uff1a( Ga1 yMnyAs (20 or 50 nm)\/AlAs (6 nm)\/Ga1 xMnxAs QW or GaAs:Be QW (d nm)\/AlAs (6 nm)\/GaAs:Be (100 nm) on a p \u00fe GaAs (001) substrate for samples A\u2013M and P\u2013Y (a) and GaMnAs QW (d nm)\/AlAs (5 nm)\/GaAs:Be (100 nm) on a p \u00fe GaAs (001) substrate for samples O1\u2013O3 )\uff1b(c,e)\u4ee3\u8868GaMnAs\u91cf\u5b50\u9631\u4e2d\u53cc\u52bf\u5792\u5747\u5300\u7ed3\u6784\u4e2d\u4ef7\u5e26\u793a\u610f\u56fe\uff1b(d,f)\u4ee3\u8868\u7406\u60f3\u60c5\u51b5\u4e0b\u504f\u538b\u548c\u8c10\u632f\u6c34\u5e73(resonant levels\u4f5c\u4e3ad\u7684\u51fd\u6570)\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\uff0c\u56fe\u793a\u7684\u51fd\u6570\u66f2\u7ebf\u8d8b\u4e8e\u4e00\u4e2a\u56fa\u5b9a\u503c\uff0c\u5176\u5bf9\u5e94\u4e8e\u4ef7\u5e26\u9876\u7aef\u80fd\u91cf\u503c\uff0c\u5982\u679c\u8be5\u56fa\u5b9a\u503c\u5728\u8d1f\u504f\u538b\u533a\u57df\uff0c\u5219GaMnAs\u6750\u6599\u4e2d\u7684\u8d39\u7c73\u80fd\u7ea7\u5904\u4e8e\u7981\u5e26\u4e2d\u3002<\/p>\n

\"\u30d7\u30ea\u30f3\u30c8\"<\/p>\n

\u56fe<\/strong>3. Mn<\/strong>\u63ba\u6742\u91cf<\/strong>x<\/strong>\u548c\u80fd\u5e26\u6709\u5e8f\u4e4b\u95f4\u76f8\u4e92\u5173\u7cfb\u7684\u7ed3\u679c\u9884\u6d4b<\/strong><\/p>\n

(a-f)\u56fe\u4e2d\u989c\u8272\u6807\u6ce8\u7684\u793a\u610f\u56fe\u662f\u4ee3\u8868\u4e0d\u540cMn\u63ba\u6742\u6d53\u5ea6( x<\/em> = 0.03, 0.3, 0.55, 0.9, 1.6, 2.3%)\u4e0b\u7684d2<\/sup>I\/d2<\/sup>V<\/em>\u4e0e\u91cf\u5b50\u70b9\u539a\u5ea6(d)\u548c\u6240\u52a0\u504f\u538b\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\u3002\u5f53\u63ba\u6742\u6d53\u5ea6\u4ece0.03%\u63d0\u9ad8\u52300.55%\u65f6\uff0c\u51fd\u6570\u632f\u5e45\u51cf\u5f31\uff0c\u4f46\u662f\u5f53\u6d53\u5ea6\u8d85\u8fc70.9\uff05\uff0c\u94c1\u78c1\u76f8\u53d8\u53d1\u751f\u540e\uff0c\u51fd\u6570\u632f\u5e45\u53c8\u6062\u590d\u3002(g)\u56fe\u4e3a\u4e0d\u540cMn\u63ba\u6742\u6d53\u5ea6\u4e0b\u7684\u6837\u54c1d2<\/sup>I\/d2<\/sup>V<\/em>\u4e0e\u504f\u538bV\u4e4b\u95f4\u7684\u7279\u5f81\u5173\u7cfb\u66f2\u7ebf\uff08\u6b64\u65f6d\u4e3a11nm\uff09\uff0c\u56fe\u4e2d\u7684\u9ed1\u7070\u8272\u7bad\u5934\u5206\u522b\u8868\u793a\u7b2c\u4e09\u4e2a\u6ce2\u8c37\u548c\u6ce2\u5cf0\u3002(i)\u56fe\u4e2dd<\/em>\uff0a<\/sup><\/em>\u8868\u793a\u4e3a\u5728\u7b2c\u4e00\u4e2aheavy hole\u7684\u6ce2\u8c37\u548c\u7b2c\u4e00\u4e2alight hole\u7684\u6ce2\u5cf0\u4e4b\u95f4\u7684d<\/em>\u503c\u3002\u6b63\u65b9\u5f62\u8868\u793a\u987a\u78c1\u6027\u7684\u6570\u636e\uff0c\u5706\u5f62\u7684\u8868\u793a\u94c1\u78c1\u6027\u7684\u6570\u636e\u3002<\/p>\n

\"\u30d7\u30ea\u30f3\u30c8\"
\n\u56fe<\/strong>4. <\/strong>\u5177\u6709\u4e0d\u540c<\/strong>Mn<\/strong>\u63ba\u6742\u6d53\u5ea6\u548c\u5c45\u91cc\u6e29\u5ea6<\/strong>(Tc<\/sub>)<\/strong>\u7684\u6837\u54c1\u4e2d\u6e29\u5ea6\u548c\u5171\u632f\u96a7\u9053\u6548\u5e94\u4e4b\u95f4\u7684\u5173\u7cfb\u6bd4\u8f83\u3002<\/strong><\/p>\n

(a-c)\u56fe\u4e2d\u989c\u8272\u6807\u793a\u56fe\u4ee3\u8868\u7740\u6837\u54c1O3(Mn\u63ba\u6742\u6d53\u5ea6\u4e3a6%\uff0c\u5c45\u91cc\u6e29\u5ea6\u4e3a132K\uff0cTmax<\/sub>\u4e3a60k)\uff0cO2\uff08Mn\u63ba\u6742\u6d53\u5ea6\u4e3a3.6%\uff0cTc<\/sub>\u4e3a86k\uff0cTmax<\/sub>\u4e3a50k\uff09\u548cY\uff08Mn\u63ba\u6742\u6d53\u5ea6\u4e3a1.3%\uff0cTc<\/sub>\u4e3a35k\uff0cTmax<\/sub>\u4e3a20k\uff09\u7684d2<\/sup>I\/d2<\/sup>V<\/em>\u91cf\u5b50\u70b9\u539a\u5ea6d<\/em>\u4ee5\u53ca\u65bd\u52a0\u7684\u504f\u538bV<\/em>\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\u3002(d)\u56fe\u8868\u793aTc<\/sub>\u4e0eTmax<\/sub>\u4e4b\u95f4\u7684\u8054\u7cfb\uff0c\u56fe\u4e2d\u7684\u5b57\u6bcd\u4ee3\u8868\u672c\u5b9e\u9a8c\u4e2d\u7684\u4e0d\u540c\u6837\u54c1\u3002<\/p>\n

\"\u30d7\u30ea\u30f3\u30c8\"<\/p>\n

\u8bba\u6587\u94fe\u63a5\uff1aSudden restoration of the band ordering associated with the ferromagnetic phase transition in a semiconductor<\/a><\/p>\n

PDF\u53c2\u8003\u539f\u6587\uff1asupplemental materials<\/a><\/p>\n

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