{"id":169143,"date":"2019-03-15T06:22:10","date_gmt":"2019-03-14T22:22:10","guid":{"rendered":"\/\/m.iemloyee.com\/?p=169143"},"modified":"2019-03-14T19:36:41","modified_gmt":"2019-03-14T11:36:41","slug":"%e3%80%90%e6%9c%aa%e5%9b%9e%e5%a4%8d%e3%80%91%e5%9b%bd%e5%ae%b6%e7%ba%b3%e7%b1%b3%e7%a7%91%e5%ad%a6%e4%b8%ad%e5%bf%83%e8%b0%a2%e9%bb%8e%e6%98%8enano-lett-%ef%bc%9a1t-tas2%e4%b8%ad%e5%a4%9a%e6%80%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=169143","title":{"rendered":"\u56fd\u5bb6\u7eb3\u7c73\u79d1\u5b66\u4e2d\u5fc3\u8c22\u9ece\u660eNano Lett.\uff1a1T-TaS2\u4e2d\u591a\u6001\u7535\u8377\u6ce2\u5bc6\u5ea6\u76f8\u53d8\u7684\u62c9\u66fc\u5149\u8c31\u548c\u52a8\u6001\u7535\u5b66\u7814\u7a76"},"content":{"rendered":"

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

\u4e8c\u7ef4\u5206\u5c421T-TaS2<\/sub>\u542b\u6709\u4e30\u5bcc\u7684\u7535\u8377\u5bc6\u5ea6\u6ce2\uff08CDW\uff09\u72b6\u6001\uff0c\u56e0\u6b64\u5177\u6709\u4e0d\u540c\u7684\u7535\u5b50\u7ed3\u6784\u548c\u7269\u7406\u6027\u8d28\u548c\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5982\u76f8\u53d8\u5b58\u50a8\u5668\uff0c\u7535\u5b50\u632f\u8361\u5668\u548c\u5149\u7535\u63a2\u6d4b\u5668\u3002\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\uff0c\u4e8c\u7ef4\u5206\u5c421T-TaS2<\/sub>\u6709\u5404\u79cdCDW\u57fa\u6001\uff0c\u5e94\u7528\u5149\u5b66\u548c\u7535\u523a\u6fc0\u4e5f\u89c2\u5bdf\u52301T-TaS2<\/sub>\u7684\u591a\u4e2a\u4e2d\u95f4\u76f8\u3002\u672c\u6587\u91c7\u7528\u62c9\u66fc\u5149\u8c31\u548c\u52a8\u6001\u7535\u5b66\u6d4b\u91cf\uff0c\u7814\u7a761T-TaS2<\/sub>\u4e2d\u7535\u573a\u9a71\u52a8\u7684\u591a\u6001CDW\u76f8\u53d8\u3002\u5728\u5e73\u9762\u5185\u7535\u573a\u4e0b\uff0c\u91c7\u7528\u539f\u4f4d\u62c9\u66fc\u5149\u8c31\u53d1\u73b0\u4e86\u7535\u573a\u4e0b\u8bf1\u5bfcNCCDW\u5230ICCDW\u76f8\u8f6c\u53d8\u7684\u76f4\u63a5\u5149\u8c31\u8bc1\u636e\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e2d\u56fd\u56fd\u5bb6\u7eb3\u7c73\u79d1\u5b66\u4e2d\u5fc3<\/strong>\u7684\u8c22\u9ece\u660e\uff08\u901a\u8baf\uff09<\/strong>\u4f5c\u8005\u7b49\u4eba\uff0c\u901a\u8fc7\u62c9\u66fc\u5149\u8c31\u548c1T-TaS2<\/sub>\u4e2d\u7684\u7535\u538b\u632f\u8361\uff0c\u7814\u7a76\u4e86\u7535\u573a\u9a71\u52a8\u7684\u591a\u6001CDW\u76f8\u53d8\uff1b\u5206\u6790\u4e86\u58f0\u5b66\u548c\u5149\u5b66\u58f0\u5b50\u6a21\u5f0f\u4e0b\uff0c1T-TaS2<\/sub>\u7684\u7535\u5bfc\u7387\u4e0e\u62c9\u66fc\u5149\u8c31\u5f3a\u5ea6\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u3002\u7814\u7a76\u8868\u660e\u591a\u6001\u8f6c\u6362\u6e90\u4e8e\u4ece\u8fd1\u516c\u5ea6\u7ed3\u6784NCCDW\u76f8\u5230\u5931\u8861\u7684\u4e2d\u95f4\u72b6\u6001\uff0c\u518d\u5230\u975e\u516c\u5ea6\u7ed3\u6784ICCDW\u76f8\u8f6c\u53d8\u3002\u968f\u7740\u7535\u573a\u7684\u589e\u52a0\uff0c\u4e0d\u540cCDW\u72b6\u6001\u7684\u505c\u7559\u65f6\u95f4\u4e5f\u53d1\u751f\u4e86\u53d8\u5316\u3002\u5728\u8f83\u4f4e\u6e29\u5ea6\u4e0b\uff0c\u7531\u4e8e\u4e2d\u95f4\u76f8\u4e4b\u95f4\u7684\u8f83\u9ad8\u80fd\u91cf\u52bf\u5792\u548c\u8f83\u4f4e\u6e29\u5ea6\u4e0b\u8f83\u4f4e\u7684\u70ed\u6fc0\u53d1\u80fd\u91cf\uff0c\u591a\u6001\u632f\u8361\u6d88\u5931\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<\/strong>Raman Spectroscopic and Dynamic Electrical Investigation of Multi-State Charge-Wave-Density Phase Transitions in 1T-TaS2<\/sub><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nano Letter<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe<\/strong> 1 1T-TaS2<\/sub><\/strong>\u7684\u975e\u516c\u5ea6\u7ed3\u6784\uff08<\/strong>ICCDW<\/strong>\uff09\u4e0e\u8fd1\u516c\u5ea6\u7ed3\u6784\uff08<\/strong>NCCDW<\/strong>\uff09\u7684\u8f6c\u53d8<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff091T-TaS2<\/sub>\u7684\u6676\u4f53\u7ed3\u6784\uff1b<\/p>\n

\uff08b\uff09\u4eceNCCDW\u76f8\u5230ICCDW\u76f8\u7684\u76f8\u53d8\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08c\uff09\u5728\u5ba4\u6e29\u4e0b\uff0c1T-TaS2<\/sub>\u7684100\u5708\u7684IV\u5faa\u73af\u56fe\uff08 \u63d2\u56fe\uff1a\u88c5\u7f6e\u7684SEM\u56fe\uff09\uff1b<\/p>\n

\uff08d\uff09\u4e0d\u540c\u6e29\u5ea6\u4e0b\uff0c1T-TaS2<\/sub>\u7684\u76f8\u53d8\u56fe\uff1b<\/p>\n

\uff08e\uff09\u5c11\u91cfTaS2<\/sub>\u7684NCCDW\u5230ICCDW\u76f8\u7684\u8f6c\u53d8\u6e29\u5ea6\u4e0e\u7535\u963b\u4f9d\u8d56\u6027\u56fe\u3002<\/p>\n

\u56fe<\/strong> 2 1T-TaS2<\/sub><\/strong>\u7684\u70ed\u9a71\u52a8\u548c\u7535\u9a71\u52a8\u76f8\u53d8\u7684\u62c9\u66fc\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u53d8\u6e29\u62c9\u66fc\u5149\u8c31\u7684\u5b9e\u9a8c\u88c5\u7f6e\uff1b<\/p>\n

\uff08b\uff09\u5728290-380 K\u4e0b\uff0c\u52a0\u70ed\u8fc7\u7a0b\u4e2d\u5f69\u8272\u4e8c\u7ef4\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\uff08c\uff09\u5728\u9009\u5b9a\u6e29\u5ea6\u4e0b\u7684\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\uff08d\uff09\u6e29\u5ea6\u4e0e\u62c9\u66fc\u5f3a\u5ea6\u7684\u5173\u7cfb\u56fe\uff1b<\/p>\n

\uff08e\uff09\u7535\u9a71\u52a8\u76f8\u53d8\u7684\u62c9\u66fc\u6d4b\u91cf\u88c5\u7f6e\uff1b<\/p>\n

\uff08f\uff09\u5f69\u8272\u4e8c\u7ef4\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\uff08g\uff09\u4e0d\u540c\u7535\u538b\u4e0b\u7684\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\u00a0\uff08h\uff09\u65bd\u52a0\u7535\u538b\u4e0e\u62c9\u66fc\u5f3a\u5ea6\u7684\u5173\u7cfb\u56fe\u3002<\/p>\n

\u56fe<\/strong> 3\u00a0<\/strong>\u4e0d\u540c\u6e29\u5ea6\u548c\u7535\u538b\u4e0b\uff0c<\/strong>1T-TaS2<\/sub><\/strong>\u7684\u62c9\u66fc\u5149\u8c31\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u5728290-380 K\u4e0b\uff0c1T-TaS2<\/sub>\u7684\u5f69\u8272\u4e8c\u7ef4\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\uff08b\uff09\u5728300 K\uff0c355 K\u548c380 K\u4e0b\u7684\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\uff08c\uff09\u57280-2.4 V\u4e0b\uff0c1T-TaS2<\/sub>\u7684\u5f69\u8272\u4e8c\u7ef4\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\uff08d\uff09\u57281.0\uff0c1.7\u548c2.4 V\u7535\u538b\u7684\u62c9\u66fc\u5149\u8c31\u56fe\u3002<\/p>\n

\u56fe<\/strong> 4 <\/strong>1T-TaS2<\/sub><\/strong>\u7684\u7535\u5b50\u632f\u8361\u5668\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u632f\u8361\u5668\u7684\u7535\u8def\u56fe\uff1b<\/p>\n

\uff08b\uff091T-TaS2<\/sub>\u5668\u4ef6\u7684\u8f93\u51fa\u7535\u538b\u6ce2\u5f62\u56fe\uff1b<\/p>\n

\uff08c\uff09\u57281.95-2.19 V\u8f93\u5165\u7535\u538b\u65f6\u7684\u7535\u538b\u632f\u8361\u56fe\uff1b<\/p>\n

\uff08d\uff091T-TaS2<\/sub>\u632f\u8361\u5668\u7684\u76f8\u5e94IV\u66f2\u7ebf\uff1b<\/p>\n

\uff08e\uff09\u4e0d\u540c\u8f93\u5165\u7535\u538b\u4e0b\uff0cIC\u3001IM1\u548cIM2\u72b6\u6001\u7684\u80fd\u91cf\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08f\uff09\u4e0d\u540c\u8f93\u5165\u7535\u538b\u4e0b\uff0cIC\u3001IM1\u548cIM2\u72b6\u6001\u7684\u505c\u7559\u65f6\u95f4\u7684\u7edf\u8ba1\u66f2\u7ebf\uff1b<\/p>\n

\uff08g\uff09\u5728\u4e0d\u540c\u8f93\u5165\u7535\u538b\u4e0b\uff0cTIC-IM1\u3001TIM1-IM2\u548cTIM2-IC\u7684\u8f6c\u6362\u65f6\u95f4\u7edf\u8ba1\u56fe\u3002<\/p>\n

\u56fe<\/strong> 5 <\/strong>1T-TaS2<\/sub><\/strong>\u7684\u591a\u6001\u7535\u5b50\u632f\u8361\u5668\u4ef6\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u4e94\u4e2a\u88c5\u7f6e\u7684IV\u66f2\u7ebf\u56fe\uff1b<\/p>\n

\uff08b\uff09\u4e94\u4e2a\u5668\u4ef6\u7684\u632f\u8361\u6ce2\u5f62\u56fe\uff1b<\/p>\n

\uff08c\uff09\u653e\u5927\u632f\u8361\u6ce2\u5f62\u56fe\u3002<\/p>\n

\u56fe<\/strong> 6 <\/strong>1T-TaS2<\/sub><\/strong>\u4e0e\u6e29\u5ea6\u76f8\u5173\u7684\u7535\u5b50\u632f\u8361<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09220-295 K\u6e29\u5ea6\u8303\u56f4\u5185\uff0c1T-TaS2<\/sub>\u7684IV\u66f2\u7ebf\uff1b<\/p>\n

\uff08b\uff09\u4e0d\u540c\u6e29\u5ea6\u4e0b\uff0c\u540c\u4e00\u88c5\u7f6e\u7684\u7535\u538b\u632f\u8361\u56fe\uff1b<\/p>\n

\uff08c\uff09\u5ba4\u6e29\u548c\u4f4e\u6e29\u4e0b\uff0c1T-TaS2<\/sub>\u632f\u8361\u5668\u7684\u80fd\u91cf\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe<\/strong> 7 <\/strong>\u76f8\u53d8\u671f\u95f4\u7684\u5c40\u90e8\u6e29\u5ea6\u7684\u65af\u6258\u514b\u65af\u548c\u53cd\u65af\u6258\u514b\u65af\u62c9\u66fc\u5149\u8c31\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u5728315-390 K\u8303\u56f4\u5185\uff0c1T-TaS2<\/sub>\u7684\u4e8c\u7ef4\u5f69\u8272\u65af\u6258\u514b\u65af\u548c\u53cd\u65af\u6258\u514b\u65af\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\uff08b\uff09\u4e0d\u540c\u6e29\u5ea6\u4e0b\uff0c\u65af\u6258\u514b\u65af\u548c\u53cd\u65af\u6258\u514b\u65af\u5f3a\u5ea6\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u56fe\uff1b<\/p>\n

\uff08c\uff09\u4e0d\u540c\u7535\u538b\u4e0b\uff0c\u65af\u6258\u514b\u65af\u548c\u53cd\u65af\u6258\u514b\u65af\u62c9\u66fc\u5149\u8c31\u56fe\uff1b<\/p>\n

\uff08d\uff09\u4e0d\u540c\u7535\u538b\u4e0b\uff0c\u65af\u6258\u514b\u65af\u548c\u53cd\u65af\u6258\u514b\u65af\u5f3a\u5ea6\u6bd4\u4e0e\u8ba1\u7b97\u6e29\u5ea6\u7684\u5173\u7cfb\u3002<\/p>\n

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

\u672c\u6587\u5206\u6790\u4e861T-TaS2<\/sub>\u7684\u7535\u9a71\u52a8\u591a\u6001CDW\u8dc3\u8fc1\u7684\u673a\u5236\u3002 \u901a\u8fc7\u9762\u5185\u7535\u573a\u5206\u6790\u53d1\u73b0\uff1a\u53ef\u4ee5\u7531IV\u66f2\u7ebf\u4e2d\u7684\u591a\u4e2a\u6b65\u9aa4\u53cd\u6620\u4e2d\u95f4\u72b6\u6001\uff0c\u7814\u7a76NC\u5230IC\u76f8\u53d8\u8fc7\u7a0b\u3002\u540c\u65f6\uff0c\u6e29\u5ea6\u548c\u7535\u538b\u4e0e\u62c9\u66fc\u5149\u8c31\u4e4b\u95f4\u7684\u76f8\u5173\u6027\uff0c\u8bc1\u660e\u4e86\u7535\u573a\u5bfc\u81f4\u7684\u4e0d\u5e73\u8861\u7684\u4e2d\u95f4\u72b6\u6001\uff0c\u80fd\u591f\u5bfc\u81f4NC\u5230IC\u7684\u76f8\u53d8\u3002\u53e6\u5916\uff0c \u4e2d\u95f4\u72b6\u6001\u76841T-TaS2<\/sub>\u632f\u8361\u5668\u5177\u6709\u591a\u6001\u6ce2\u5f62\u7684\u7535\u538b\u632f\u8361\uff0c \u7535\u538b\u632f\u8361\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u7814\u7a76\u4e0d\u540c\u6e29\u5ea6\u4e0bNC\uff0cIC\u548c\u4e2d\u95f4\u72b6\u6001\u52a8\u6001\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Raman Spectroscopic and Dynamic Electrical Investigation of Multi-State Charge-Wave-Density Phase Transitions in 1T-TaS2<\/sub><\/strong><\/a>\uff08Nano Letters, 2019, DOI: 10.1021\/acs.nanolett.8b04855\uff09\u3002<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5f20\u91d1\u6d0b\u7f16\u8bd1\u6574\u7406\u3002<\/p>\n

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