{"id":246451,"date":"2023-01-29T06:00:39","date_gmt":"2023-01-28T22:00:39","guid":{"rendered":"\/\/m.iemloyee.com\/?p=246451"},"modified":"2023-01-27T22:18:02","modified_gmt":"2023-01-27T14:18:02","slug":"%e5%8c%97%e9%82%ae%e5%90%b4%e7%9c%9f%e5%b9%b3-%e5%8d%97%e5%bc%80%e5%bc%a0%e6%9d%a8-%e9%a6%99%e6%b8%af%e7%90%86%e5%b7%a5%e9%83%9d%e5%bb%ba%e5%8d%8enature-communications%ef%bc%9a%e5%9f%ba%e4%ba%8e","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=246451","title":{"rendered":"\u5317\u90ae\u5434\u771f\u5e73\/\u5357\u5f00\u5f20\u6768\/\u9999\u6e2f\u7406\u5de5\u90dd\u5efa\u534eNature Communications\uff1a\u57fa\u4e8e\u6676\u683c\u4e0e\u80fd\u5e26\u5de5\u7a0b\u7684\u6c27\u5316\u9553\u57fa\u5355\u6781\u52bf\u5792\u65e5\u76f2\u96ea\u5d29\u63a2\u6d4b\u5668"},"content":{"rendered":"
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1.\u3010\u5bfc\u8bfb\u3011<\/p>\n
\u6c27\u5316\u9553\uff08Ga2<\/sub>O3<\/sub>\uff09\u662f\u8fd1\u5e74\u6765\u5907\u53d7\u5173\u6ce8\u7684\u8d85\u5bbd\u7981\u5e26\u534a\u5bfc\u4f53\u6750\u6599\uff0c\u5176\u7981\u5e26\u5bbd\u5ea6\uff08~ 4.9 eV\uff09\u4e0e\u65e5\u76f2\u6ce2\u6bb5\u5339\u914d\uff0c\u662f\u516c\u8ba4\u7684\u5236\u5907\u65e5\u76f2\u63a2\u6d4b\u5668\u6700\u6709\u7ade\u4e89\u529b\u7684\u6750\u6599\uff0c\u5728\u81ed\u6c27\u7a7a\u6d1e\u68c0\u6d4b\u3001\u7d2b\u5916\u901a\u8baf\u7b49\u9886\u57df\u5177\u6709\u5341\u5206\u91cd\u8981\u7684\u6f5c\u5728\u5e94\u7528\u3002\u4e2d\u79d1\u9662&\u79d1\u777f\u552f\u5b89\u300a2021\u7814\u7a76\u524d\u6cbf\u70ed\u5ea6\u6307\u6570\u300b\u4e5f\u5c06\u201c\u57fa\u4e8eGa2<\/sub>O3<\/sub>\u7684\u65e5\u76f2\u7d2b\u5916\u5149\u7535\u63a2\u6d4b\u5668\u201d\u5217\u4e3a\u7269\u7406\u5b66\u5341\u5927\u524d\u6cbf\u7814\u7a76\u70ed\u70b9\u4e4b\u4e00\u3002\u4f46\u8fc4\u4eca\u62a5\u5bfc\u7684Ga2<\/sub>O3<\/sub>\u57fa\u65e5\u76f2\u63a2\u6d4b\u5668\u6027\u80fd\u4ecd\u843d\u540e\u4e8e\u76ee\u524d\u5546\u7528\u7684\u5149\u7535\u500d\u589e\u7ba1\uff0c\u5982\u4f55\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5668\u4ef6\u6027\u80fd\u6210\u4e3a\u65e5\u76f2\u63a2\u6d4b\u9886\u57df\u91cd\u8981\u95ee\u9898\u3002\u7531\u4e8ep\u578b\u6c27\u5316\u9553\u5b9e\u73b0\u8f83\u4e3a\u56f0\u96be\uff0c\u52a0\u4e0a\u6676\u683c\u548c\u80fd\u5e26\u5339\u914d\u7684\u5236\u7ea6\uff0c\u4f20\u7edfp-n\u578b\u6c27\u5316\u9553\u96ea\u5d29\u63a2\u6d4b\u5668\u4ef6\u5c1a\u672a\u6709\u62a5\u9053\uff0c\u76ee\u524d\u7814\u7a76\u4e3b\u8981\u96c6\u4e2d\u5728\u57fa\u4e8en-n\u578b\u5f02\u8d28\u7ed3\u7684\u96ea\u5d29\u63a2\u6d4b\u5668\u4e0a\u3002\u8981\u8fdb\u4e00\u6b65\u63d0\u5347\u5668\u4ef6\u96ea\u5d29\u589e\u76ca\uff0c\u9700\u6784\u5efa\u5177\u6709\u8f83\u5927\u52bf\u5792\u9ad8\u5ea6\u7684Ga2<\/sub>O3<\/sub>\u5f02\u8d28\u7ed3\u6765\u5b9e\u73b0\u3002\u540c\u65f6\uff0c\u6784\u6210\u5f02\u8d28\u7ed3\u7684\u6750\u6599\u9700\u8981\u5177\u5907\u826f\u597d\u7684\u6676\u683c\u5339\u914d\uff0c\u5426\u5219\u754c\u9762\u5904\u4ea7\u751f\u7684\u7f3a\u9677\u4f1a\u5bf9\u5668\u4ef6\u7684\u6027\u80fd\u9020\u6210\u6781\u5927\u7684\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u6df1\u5165\u5f00\u53d1\u9ad8\u6027\u80fd\u7684Ga2<\/sub>O3<\/sub>\u65e5\u76f2\u63a2\u6d4b\u5668\u9700\u8981\u5bf9\u4e0a\u8ff0\u95ee\u9898\u8fdb\u884c\u7efc\u5408\u8003\u91cf\u3002<\/p>\n 2.\u3010\u6210\u679c\u63a0\u5f71\u3011<\/p>\n \u8fd1\u65e5\uff0c\u5317\u4eac\u90ae\u7535\u5927\u5b66\u7406\u5b66\u9662\u5434\u771f\u5e73\u6559\u6388\u7814\u7a76\u7ec4\u8054\u5408\u5357\u5f00\u5927\u5b66\u5f20\u6768\u6559\u6388\u7814\u7a76\u7ec4\u3001\u9999\u6e2f\u7406\u5de5\u5927\u5b66\u90dd\u5efa\u534e\u6559\u6388\u7814\u7a76\u7ec4\u521b\u65b0\u6027\u5730\u5f15\u5165\u6676\u683c\u548c\u80fd\u5e26\u5de5\u7a0b\u8c03\u63a7\uff0c\u7ecf\u8fc7\u4e0d\u65ad\u63a2\u7d22\uff0c\u6210\u529f\u7814\u53d1\u4e86\u7531\u03b2-Ga2<\/sub>O3<\/sub>\/MgO\/Nb:SrTiO3<\/sub>\u5f02\u8d28\u7ed3\u7ec4\u6210\u7684n-Barrier-n\u5355\u6781\u52bf\u5792\u578b\u96ea\u5d29\u5149\u7535\u63a2\u6d4b\u5668\uff0c\u8be5\u5668\u4ef6\u83b7\u5f97\u4e86\u9ad8\u8fbe5.9 \u00d7 105<\/sup>\u7684\u96ea\u5d29\u589e\u76ca\uff0c\u4ee5\u53ca2.33 \u00d7 1016<\/sup> Jones\u7684\u6bd4\u63a2\u6d4b\u7387\uff0c\u5176\u51fa\u8272\u7684\u6027\u80fd\u7a81\u7834\u73b0\u6709\u65e5\u76f2\u7d2b\u5916\u63a2\u6d4b\u5668\u7684\u63a2\u6d4b\u6781\u9650\uff0c\u8fbe\u5230\u76ee\u524d\u5546\u4e1a\u5e94\u7528\u7684\u5149\u7535\u500d\u589e\u7ba1\u6c34\u5e73\uff0c\u4e3a\u53d1\u5c55\u9ad8\u6027\u80fd\u65e5\u76f2\u96ea\u5d29\u63a2\u6d4b\u5668\u63d0\u4f9b\u4e86\u65b0\u7684\u8bbe\u8ba1\u601d\u8def\u3002\u5355\u6781\u52bf\u5792\u578b\u6c27\u5316\u9553\uff08Ga2<\/sub>O3<\/sub>\uff09\u57fa\u96ea\u5d29\u65e5\u76f2\u63a2\u6d4b\u5668\uff0c\u76f8\u5173\u6210\u679c\u201cEnhanced Gain and Detectivity of Unipolar Barrier Solar Blind Avalanche Photodetector via Lattice and Band Engineering\u201d\u8fd1\u65e5\u53d1\u8868\u4e8e\u56fd\u9645\u5b66\u672f\u671f\u520aNature Communications<\/em>\u3002<\/p>\n 3.\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/p>\n \u901a\u8fc7\u63d2\u5165\u5408\u9002\u7684\u5bbd\u5e26\u9699\u6750\u6599\uff08MgO\uff09\u5bf9\u52bf\u5792\u9ad8\u5ea6\u8fdb\u884c\u4e86\u8c03\u6574\uff0c\u6210\u529f\u7814\u53d1\u4e86\u7531\u03b2-Ga2<\/sub>O3<\/sub>\/MgO\/Nb:SrTiO3<\/sub>\u5f02\u8d28\u7ed3\u7ec4\u6210\u7684n-Barrier-n\u5355\u6781\u52bf\u5792\u578b\u96ea\u5d29\u5149\u7535\u63a2\u6d4b\u5668\uff0c\u5176\u8f83\u5927\u7684\u5bfc\u5e26\u504f\u79fb\u91cf\u63d0\u9ad8\u4e86\u53cd\u5411\u51fb\u7a7f\u7535\u538b\u5e76\u663e\u8457\u6291\u5236\u4e86\u6697\u7535\u6d41\uff0c\u6781\u5c0f\u7684\u4ef7\u5e26\u504f\u79fb\u5219\u4fc3\u8fdb\u4e86\u5f02\u8d28\u7ed3\u7684\u5c11\u6570\u8f7d\u6d41\u5b50\u7684\u6d41\u52a8\u3002<\/p>\n 4.\u3010\u8bba\u6587\u63a0\u5f71\u3011<\/p>\n \u56fe1. n-B-n\u5355\u6781\u52bf\u5792\u5f02\u8d28\u7ed3\u6784\u7684\u751f\u957f\u53ca\u7ed3\u6784\u8868\u5f81\u3002<\/p>\n (a) Ga2<\/sub>O3<\/sub>\u3001MgO\u548cNb:STO\u5f02\u8d28\u7ed3\u6784\u751f\u957f\u793a\u610f\u56fe\u3002(b)RHEED\u56fe\u3002(c)\u622a\u9762SEM\u56fe\u3002(d) XRD \u03b8-2\u03b8\u626b\u63cf\u3002(e) XRD \u03a6-scan\u3002(f)\u6a2a\u622a\u9762\u5f02\u8d28\u7ed3\u6784\u7684\u539f\u5b50\u6392\u5e03\u56fe\u3002(g)\u754c\u9762\u6c27\u539f\u5b50\u6392\u5e03\u56fe\u3002\u00a92023 The Author(s)<\/p>\n \u56fe2. n-B-n\u5355\u6781\u52bf\u5792\u5f02\u8d28\u7ed3\u6784\u7684XPS\u8868\u5f81\u548c\u80fd\u5e26\u56fe\u3002<\/p>\n (a)\u754c\u9762\u4ef7\u5e26\u8c31(VBM)\u548c\u6838\u80fd\u7ea7\u3002\u5e73\u8861\u6761\u4ef6(b)\u548c\u96ea\u5d29\u6761\u4ef6(c)\u4e0bGa2<\/sub>O3<\/sub>\/MgO\/Nb:STO\u5f02\u8d28\u7ed3\u6784\u7684\u80fd\u5e26\u56fe\u3002(d) n-B-n\u5355\u6781\u52bf\u5792APD\u96ea\u5d29\u8fc7\u7a0b\u56fe\u89e3\u3002\u00a92023 The Author(s)<\/p>\n \u56fe3. n-B-n\u5355\u6781\u52bf\u5792\u5f02\u8d28\u7ed3\u6784\u4e0en-n\u578b\u5f02\u8d28\u7ed3\u6784\u96ea\u5d29\u63a2\u6d4b\u5668\u7684\u6027\u80fd\u6bd4\u8f83\u3002<\/p>\n (a) Ga2<\/sub>O3<\/sub>\/MgO\/Nb:STO n-B-n\u5355\u6781\u52bf\u5792APD\u548cGa2<\/sub>O3<\/sub>\/Nb:STO n-n\u578bAPD\u7684\u5668\u4ef6\u793a\u610f\u56fe\u3002(b) I-V\u7279\u6027\u66f2\u7ebf\u3002(c)\u5728\u9ed1\u6697\u548c\u7d2b\u5916\u7ebf\u7167\u5c04\u4e0b\u7684\u53cd\u5411I-V\u66f2\u7ebf;\u53f3\u8f74\u8868\u793a\u589e\u76ca\u3002(d)\u6bd4\u63a2\u6d4b\u7387\u548cLDR\u5bf9\u6bd4\u56fe\u3002\u00a92023 The Author(s)<\/p>\n \u56fe4. n-B-n\u5355\u6781\u52bf\u5792APD\u7684\u5149\u54cd\u5e94\u7279\u6027\u3002<\/p>\n (a) n-B-n\u5355\u6781\u52bf\u5792APD\u5728\u9ed1\u6697\u548c\u4e0d\u540c\u5f3a\u5ea6254 nm\u5149\u7167\u6761\u4ef6\u4e0b\u53cd\u5411\u504f\u538bI-V\u7279\u6027\u3002\u54cd\u5e94\u5ea6(b)\u548c\u6bd4\u63a2\u6d4b\u7387(c)\u968f\u7740\u5149\u5f3a\u548c\u53cd\u5411\u504f\u538b\u53d8\u5316\u7684\u56fe\u50cf\u3002(d)\u53cd\u5411\u504f\u538b\u4e0b\u7684\u5149\u8c31\u54cd\u5e94\u3002(e)\u77ac\u6001\u54cd\u5e94\u66f2\u7ebf;\u63d2\u56fe\u4e3a\u653e\u5927\u7684\u4e0a\u5347\u6cbf\u3002(f) n-B-n\u5355\u6781\u52bf\u5792APD\u5728104<\/sup>\u6b21\u5149\u5f00\u5173\u5faa\u73af\u4e2d\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002\u00a92023 The Author(s)<\/p>\n \u56fe5. Ga2<\/sub>O3<\/sub>\/MgO\/Nb:STO n-B-n\u5355\u6781\u52bf\u5792\u578b\u96ea\u5d29\u63a2\u6d4b\u5668\u4e0e\u8fc4\u4eca\u62a5\u9053\u7684\u96ea\u5d29\u5149\u7535\u63a2\u6d4b\u5668\u548c\u5149\u7535\u500d\u589e\u7ba1\u7684\u6027\u80fd\u6bd4\u8f83\u3002a)\u54cd\u5e94\u5ea6\uff0c\u6bd4\u63a2\u6d4b\u6027\u53ca\u589e\u76ca\u5bf9\u6bd4\u3002(b)\u5c3a\u5bf8\u3001\u7ed3\u6784\u548c\u96c6\u6210\u517c\u5bb9\u6027\u65b9\u9762\u6bd4\u8f83\u3002\u00a92023 The Author(s)<\/p>\n 5.\u3010\u603b\u7ed3\u5c55\u671b\u3011<\/p>\n \u8be5\u7814\u7a76\u521b\u9020\u6027\u5730\u63d0\u51fa\u4e86\u4e00\u79cd\u901a\u8fc7\u6676\u683c\u548c\u80fd\u5e26\u5de5\u7a0b\u8c03\u63a7\u5e76\u8bbe\u8ba1n-B-n\u5355\u6781\u52bf\u5792\u578bGa2<\/sub>O3<\/sub>\u96ea\u5d29\u63a2\u6d4b\u5668\u7684\u65b9\u6cd5\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u6210\u529f\u5730\u4f7f\u5668\u4ef6\u6027\u80fd\u5f97\u5230\u4e86\u663e\u8457\u63d0\u5347\uff0c\u540c\u65f6\u8be5\u7814\u7a76\u4e2d\u6d89\u53ca\u5230\u7684\u5668\u4ef6\u6027\u80fd\u5c55\u793a\u51faGa2<\/sub>O3<\/sub>\u5728\u4e0b\u4e00\u4ee3\u529f\u7387\u5668\u4ef6\u548c\u5149\u7535\u5668\u4ef6\u4e2d\u7684\u8d85\u5927\u6f5c\u529b\u3002\u8fd9\u79cd\u5f00\u521b\u6027\u7684\u8bbe\u8ba1\u4e5f\u4e3a\u672a\u6765\u66f4\u9ad8\u6027\u80fd\u7684Ga2<\/sub>O3<\/sub>\u7535\u5b50\u5668\u4ef6\u7814\u7a76\u63d0\u4f9b\u4e86\u5d2d\u65b0\u7684\u601d\u8def\u3002<\/p>\n <\/p>\n<\/p>\n
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