{"id":90300,"date":"2017-07-09T06:30:27","date_gmt":"2017-07-08T22:30:27","guid":{"rendered":"\/\/m.iemloyee.com\/?p=90300"},"modified":"2017-07-08T10:45:20","modified_gmt":"2017-07-08T02:45:20","slug":"science%ef%bc%9abisic-%e9%ab%98%e6%b8%a9%e9%87%8f%e5%ad%90%e8%87%aa%e6%97%8b%e9%9c%8d%e5%b0%94%e6%9d%90%e6%96%99%e7%9a%84%e6%9c%89%e6%9c%9b%e5%80%99%e9%80%89%e8%80%85","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=90300","title":{"rendered":"Science\uff1aBi\/SiC\u2014\u9ad8\u6e29\u91cf\u5b50\u81ea\u65cb\u970d\u5c14\u6750\u6599\u7684\u6709\u671b\u5019\u9009\u8005"},"content":{"rendered":"

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

\u91cf\u5b50\u81ea\u65cb\u970d\u5c14\u6750\u6599\u662f\u62d3\u6251\u7edd\u7f18\u4f53\u6750\u6599\u4e2d\u6700\u5177\u4ee3\u8868\u7684\u4e8c\u7ef4\u6750\u6599\uff0c\u5176\u5b58\u5728\u8fb9\u7f18\u7535\u5bfc\u901a\u9053\uff0c\u53ef\u9632\u6b62\u67d0\u4e9b\u7c7b\u578b\u7684\u6563\u5c04\uff0c\u662f\u65e0\u635f\u81ea\u65cb\u7535\u6d41\u9769\u547d\u6027\u5668\u4ef6\u7684\u5e0c\u671b\u3002\u4f46\u7531\u4e8e\u5176\u80fd\u9699\u5c0f\uff0c\u6240\u4ee5\u9700\u8981\u5728\u4f4e\u6e29\u4e0b\u5e94\u7528\uff08\u4f4e\u4e8e\u6db2\u6001\u6c26\u6c14\uff09\u624d\u80fd\u907f\u514d\u8f7d\u6d41\u5b50\u7684\u70ed\u6fc0\u53d1\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u589e\u5927\u6750\u6599\u7684\u80fd\u9699\u503c\uff0c\u5c06\u70ed\u64cd\u4f5c\u6781\u9650\u63d0\u5347\u5230\u5ba4\u6e29\u4ee5\u4e0a\u662f\u5668\u4ef6\u6027\u80fd\u6539\u5584\u7684\u91cd\u70b9\u4e4b\u4e00\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5fb7\u56fd\u7ef4\u5c14\u8328\u5821\u5927\u5b66<\/strong>J. Sch\u00e4fer<\/strong>\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Science<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cBismuthene on a SiC substrate: A candidate for a high-temperature quantum spin Hall material<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5916\u5ef6\u751f\u957f\u6280\u672f\u5728SiC(0001)\u4e0a\u6c89\u79ef\u4e86\u5355\u5c42\u8702\u7a9d\u72b6\u7ed3\u6784\u7684Bi\uff0c\u5236\u5907\u5f97\u5230\u4e86 Bi\/SiC\u6750\u6599\u3002\u4f7f\u7528\u626b\u63cf\u96a7\u9053\u5149\u8c31\uff0c\u68c0\u6d4b\u5230\u8be5\u6750\u6599\u5177\u6709\u7ea6~0.8 eV\u7684\u95f4\u9699\u548c\u4e0e\u7406\u8bba\u4e00\u81f4\u7684\u5bfc\u7535\u8fb9\u7f18\u6001\u3002\u9884\u671f\u901a\u8fc7\u4f18\u5316\u5916\u5ef6\u751f\u957f\uff0c\u53ef\u5728\u5ba4\u6e29\u4e0b\u5e94\u7528\u3002<\/p>\n

\u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00<\/strong> Bi\/SiC(0001)<\/strong>\u7ed3\u6784\u6a21\u578b<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>Bi\/SiC(0001)\u539f\u5b50\u5806\u653e\u987a\u5e8f\u56fe\u793a\uff1b<\/p>\n

(b)<\/strong> Bi\u5b8c\u5168\u8986\u76d6SiC\u57fa\u7247\u7684\u62d3\u6251STM\u9876\u793a\u56fe\uff1b<\/p>\n

(c) <\/strong>\u57fa\u7247\u53f0\u9762\u9ad8\u5ea6\u8f6e\u5ed3\uff0c\u6cbf(B)\u7ea2\u8272\u7ebf\uff0c\u53f0\u9762\u9ad8\u5ea6\u5bf9\u5e94SiC\u53f0\u9762\uff1b<\/p>\n

(d)<\/strong> Bi\u7684\u8702\u7a9d\u7ed3\u6784\uff1b<\/p>\n

(e)<\/strong> Bi\u7684\u8702\u7a9d\u7ed3\u6784\u5f62\u6210\u9636\u6bb5STM\u56fe\u50cf: \u5de6\u8fb9: \u5360\u636e\u6001; \u53f3\u8fb9: \u7a7a\u6001\u3002<\/p>\n

\u56fe\u4e8c<\/strong> \u7406\u8bba\u80fd\u5e26\u7ed3\u6784\u4e0e<\/strong>ARPES<\/strong>\u6d4b\u91cf<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>\u5229\u7528HSE\u4ea4\u6362\u6cdb\u51fd\u8fdb\u884c\u81ea\u65cb – \u8f68\u9053\u8026\u5408\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u80fd\u5e26\u7ed3\u6784\u8ba1\u7b97\uff0c\u865a\u7ebf\u4e3a\u4ef7\u5e26\uff1b<\/p>\n

(b) <\/strong>ARPES\u5e03\u91cc\u6e0a\u533a\u80fd\u5e26\u5206\u5e03\uff0cK\u70b9\u4e3a\u4ef7\u5e26\u6700\u5927\u503c\u548c\u4ef7\u5e26\u5206\u88c2\u4e0e\u7406\u8bba\u9884\u6d4b\u76f8\u543b\u5408\u70b9\uff0c\u5206\u5149\u8ba1\u8d39\u7c73\u80fd\u7ea7\u8bbe\u4e3a0\uff1b<\/p>\n

(c) <\/strong>\u95ed\u5408ARPES\uff0c\u5728\u5bbd\u52a8\u91cf\u8303\u56f4\u5185\uff0c\u5177\u6709\u5927\u8bf1\u5bfc\u81ea\u65cb-\u8f68\u9053\u8026\u5408\u5206\u88c2\u7684K\u70b9\u4e3a\u4ef7\u5e26\u6700\u5927\u503c\uff1b<\/p>\n

(d) <\/strong>\u4e0d\u540c\u7ed3\u5408\u80fd\u7684ARPES\u6052\u5b9a\u80fd\u91cf\u8868\u9762\uff0c\u4f4e\u7ed3\u5408\u80fd\u5207\u9762\u5bc6\u5ea6\u6700\u9ad8\uff0c\u5bf9\u5e94\u4ef7\u5e26\u6700\u5927\u503c\uff0c\u56fe\u8c31\u4e0e\u516d\u65b9\u6676\u683cK\u4e0eK\u2019\u70b9\u516d\u91cd\u7b80\u5e76\u7ed3\u6784\u4e00\u81f4\u3002<\/p>\n

\u56fe\u4e09<\/strong> Bi <\/strong>\u03c3<\/strong>\u80fd\u5e26\u4f4e\u80fd\u6709\u6548\u6a21\u578b\u7535\u5b50\u7ed3\u6784\u8ba1\u7b97<\/strong><\/p>\n

\"\"<\/p>\n

(a)<\/strong> s\u3001p\u8f68\u9053\u5bf9Bi\u7535\u5b50\u7ed3\u6784\u7684\u4f5c\u7528(\u65e0\u81ea\u65cb-\u8f68\u9053\u8026\u5408)\uff1b\u5728\u5404\u56fe\u4e2d\uff0c\u56fe\u793a\u5927\u5c0f\u6b63\u6bd4\u4e8e\u8f68\u9053\u7684\u76f8\u5bf9\u91cd\u91cf\uff1b\u4ee5EF<\/sub>\u4e3a\u51c6\uff0cBi\/SiC PX<\/sub>-\u548cPY<\/sub>-\u8f68\u9053\u8868\u660e\u8f68\u9053\u5206\u89e3\uff1b<\/p>\n

(b)<\/strong> \u4f4e\u80fd\u6709\u6548\u6a21\u578b\u7684\u7535\u5b50\u7ed3\u6784(\u65e0\u81ea\u65cb-\u8f68\u9053\u8026\u5408)\uff1b<\/p>\n

(c) <\/strong>K\u70b9\u5904\uff0c\u5f3a\u539f\u5b50\u81ea\u65cb-\u8f68\u9053\u8026\u5408\u5939\u6742\u4ea7\u751f\u5de8\u5927\u80fd\u9699\uff1b<\/p>\n

(d)<\/strong> Rashba\u6548\u5e94\u589e\u5927\u4ef7\u5e26\u6781\u503c\uff0c\u8bf1\u5bfc\u53cd\u5411\u81ea\u65cb\u7279\u6027\u5206\u88c2\u3002<\/p>\n

\u56fe\u56db<\/strong> \u57fa\u7247\u53f0\u9762\u8fb9\u7f18\u6001\u96a7\u9053\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>\u8ddd\u8fb9\u7f18\u4e0d\u540c\u8ddd\u79bb\u5904\u7684\u5fae\u5206\u7535\u5bfcdI\/dV\uff1b\u63d2\u56fe\uff1a\u57fa\u7247\u4e0a\u5761\u53f0\u9762\u4ea7\u751f\u8fb9\u754c\u5904\u4e3aSTM\u6d4b\u91cf\u4f4d\u7f6e\uff1b\u989c\u8272\u7f16\u7801\u70b9\u4e0e\u5149\u8c31\u989c\u8272\u76f8\u5173\uff1b<\/p>\n

(b) <\/strong>\u901a\u8fc7\u76f8\u540c\u53f0\u9762\u7684\u7a7a\u95f4\u5206\u89e3 dI\/dV\u6570\u636e\uff0c\u95f4\u9699\u6001dI\/dV\u6570\u636e\u5728\u819c\u8fb9\u7f18\u5904\u8fbe\u5230\u5cf0\u503c\uff0c\u7070\u8272\u865a\u7ebf\u4e3adI\/dV\u6700\u5927\u503c\uff1b<\/p>\n

(c) <\/strong>\u53f0\u9762z(x)\u7ebf\u5256\u9762\u56fe\u4e0eBi dI\/dV\u6570\u636e\u3002<\/p>\n

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

\u672c\u6587\u7814\u7a76\u8868\u660e\u4e86\u57fa\u7247\u5bf9\u4e8e\u63a7\u52362D\u91cf\u5b50\u81ea\u65cb\u970d\u5c14\u7edd\u7f18\u4f53\u76f8\u5173\u8f68\u9053\u5177\u6709\u51b3\u5b9a\u6027\u4f5c\u7528\u3002\u5728Bi\/SiC\u6750\u6599\u4f53\u7cfb\u4e2d\uff0cBi\u5355\u5c42\u8f68\u9053\u4e0e\u57fa\u7247\u5171\u4ef7\u952e\u5408\u4ea7\u751f\u4e86\u8f83\u5927\u7684\u62d3\u6251\u80fd\u9699\uff0c\u4f7f\u590d\u5408\u4f53\u7cfb\u7a33\u5b9a\u5316\uff0c\u53ef\u5728\u5e38\u6e29\u4e0b\u5e94\u7528\u3002\u8be5\u9879\u7814\u7a76\u6210\u679c\u5f00\u521b\u4e86\u589e\u5927\u91cf\u5b50\u81ea\u65cb\u970d\u5c14\u6750\u6599\u80fd\u9699\u7684\u65b0\u65b9\u6cd5\uff0c\u5373\u901a\u8fc7\u4f7f\u7528V\u65cf\u5143\u7d20\u4f5c\u4e3a\u57fa\u7247\uff0c\u5f62\u6210\u5355\u5c42-\u57fa\u7247\u590d\u5408\u6750\u6599\uff0c\u5927\u5e45\u5ea6\u63d0\u9ad8\u4e86\u91cf\u5b50\u81ea\u65cb\u970d\u5c14\u6750\u6599\u7684\u62d3\u6251\u80fd\u9699\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Bismuthene on a SiC substrate: A candidate for a high-temperature quantum spin Hall material<\/a>(Science, 29 June, 2017, DOI: 10.1126\/science.aai8142 )<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u9648\u70b3\u65ed\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/u><\/a>\u3002<\/p>\n

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

\u3010\u5f15\u8a00\u3011 \u91cf\u5b50\u81ea\u65cb\u970d\u5c14\u6750\u6599\u662f\u62d3\u6251\u7edd\u7f18\u4f53\u6750\u6599\u4e2d\u6700\u5177\u4ee3\u8868\u7684\u4e8c\u7ef4\u6750\u6599\uff0c\u5176\u5b58\u5728\u8fb9\u7f18\u7535\u5bfc\u901a\u9053\uff0c\u53ef\u9632\u6b62\u67d0\u4e9b\u7c7b\u578b\u7684\u6563\u5c04\uff0c\u662f\u65e0\u635f\u81ea\u65cb\u7535\u6d41\u9769\u547d\u6027\u5668\u4ef6\u7684\u5e0c\u671b\u3002\u4f46\u7531\u4e8e\u5176\u80fd\u9699\u5c0f\uff0c\u6240\u4ee5\u9700…<\/p>\n","protected":false},"author":230,"featured_media":90303,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[1963],"class_list":["post-90300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","category-keji","tag-1963"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/90300"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/230"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=90300"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/90300\/revisions"}],"predecessor-version":[{"id":90524,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/90300\/revisions\/90524"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/90303"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=90300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=90300"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=90300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}