{"id":108854,"date":"2017-10-29T14:00:24","date_gmt":"2017-10-29T06:00:24","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=108854"},"modified":"2017-10-28T16:47:14","modified_gmt":"2017-10-28T08:47:14","slug":"nano-letters%ef%bc%9a%e4%ba%8c%e8%81%9a%e7%89%a9%e7%ba%b3%e7%b1%b3%e7%b2%92%e5%ad%90%e7%bb%93%e5%90%88%e7%94%b5%e5%ad%90%e7%9a%84%e8%87%aa%e6%97%8b%e5%92%8c%e8%b4%9f%e8%bd%ac%e7%9f%a9","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=108854","title":{"rendered":"Nano Letters\uff1a\u4e8c\u805a\u7269\u7eb3\u7c73\u7c92\u5b50\u7ed3\u5408\u7535\u5b50\u7684\u81ea\u65cb\u548c\u8d1f\u8f6c\u77e9"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u73b0\u5982\u4eca\uff0c\u4eba\u7c7b\u53ef\u4ee5\u8fd0\u7528\u6fc0\u5149\u675f\u8fdb\u884c\u5149\u5b66\u6355\u83b7\u7814\u7a76\uff0c\u5e76\u5230\u8fbe\u5fae\u7c73\u5c3a\u5ea6\u7ea7\u522b\u3002\u8fd9\u5f00\u542f\u4e86\u5149\u5b66\u7269\u7406\uff0c\u5206\u5b50\u751f\u7269\u5b66\uff0c\u5fae\u751f\u7269\u5b66\uff0c\u6750\u6599\u79d1\u5b66\u548c\u5e73\u7248\u5370\u5237\u672f\u7684\u65b0\u7bc7\u7ae0\u3002\u5149\u954a\u540c\u6837\u80fd\u591f\u5b9e\u73b0\u5728\u5fae\u7c73\u7ea7\u548c\u7eb3\u7c73\u7ea7\u9897\u7c92\u95f4\u52a8\u529b\u5b66\u4e0a\u7684\u7cbe\u5bc6\u6d4b\u91cf\u4ece\u800c\u5728\u7edf\u8ba1\u4e0a\u89e3\u51b3\u95ee\u9898\u3002\u7136\u800c\uff0c\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5355\u7c92\u5b50\u7684\u52a8\u529b\u5b66\u7814\u7a76\u8fd8\u672a\u6709\u5de8\u5927\u8fdb\u5c55\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011\u00a0\u00a0<\/strong><\/p>\n<p>\u829d\u52a0\u54e5\u5927\u5b66Norbert F. Scherer\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba\u8fdb\u884c\u4e86\u4e8c\u805a\u7269\u7eb3\u7c73\u7c92\u5b50\u7ed3\u5408\u7535\u5b50\u7684\u81ea\u65cb\u548c\u8d1f\u8f6c\u77e9\u5728\u5706\u504f\u805aGaussian\u5149\u7ebf\u4e2d\u6355\u83b7\u5927\u91cfAg\u7eb3\u7c73\u7c92\u5b50\u4e2d\u5fc3\u7684\u76f8\u5173\u5b9e\u9a8c\u548c\u6a21\u62df\u7814\u7a76\u3002\u572814mW\u5bf9\u4e8e\u5165\u5c04\u529f\u7387\u5e73\u5747\u503c\u7ea6\u4e3a4 kHz\uff0c\u5f97\u51faEBDs(electrodynamically bound dimers)\u7684\u89d2\u901f\u5ea6\u4e0e\u5165\u5c04\u5149\u80fd\u6210\u7ebf\u6027\u589e\u957f\u5173\u7cfb\u3002\u540c\u65f6\u4f7f\u7528\u8026\u5408\u5076\u6781\/\u6709\u6548\u6781\u5316\u6a21\u578b\uff0c\u5f97\u5230\u4e86\u6563\u5c04\u573a\u7684\u8fdf\u6ede\u548c\u7535\u5b50\u52a8\u80fd\u76f8\u4e92\u4f5c\u7528\u53ef\u4ee5\u4ea7\u751f\u201c\u8d1f\u8f6c\u77e9\u201d\uff0c\u4ece\u800c\u5f15\u8d77EBD\u5bf9\u4e8e\u5706\u5f62\u504f\u632f\u5728\u4e0d\u540c\u76f8\u5bf9\u65b9\u5411\u7684\u81ea\u65cb\uff0c\u8fdb\u800c\u63d0\u51fa\u5e76\u9884\u6d4b\u4e86\u8d1f\u8f6c\u77e9\u5b58\u5728\u7684\u5206\u6790\u6a21\u578b\u3002\u672c\u6587\u6e05\u6670\u7684\u63cf\u8ff0\u4e86\u6839\u636e\u8fd0\u7528\u8d1f\u8f6c\u77e9\u7684electrodynamics-Langevin\u52a8\u529b\u5b66\u6a21\u62df\u4ea7\u751f\u7684\u8fd9\u4e2a\u6709\u8da3\u7684\u53cd\u624b\u81ea\u65cb\u73b0\u8c61\u3002\u901a\u8fc7\u6539\u53d8\u7c92\u5b50\u5206\u79bb\u4ece\u800c\u6539\u53d8\u8fdf\u6ede\u6548\u5e94\u7684\u4ea7\u751f\uff0c\u5bf9EBD\u5b9e\u9a8c\u6570\u636e\u8fdb\u884c\u5206\u6790\u8bc1\u660e\u4e86\u8d1f\u8f6c\u77e9\u7684\u5b58\u5728\u3002\u8be5\u6210\u679c\u4ee5\u201c<strong>Rotation and Negative Torque in Electrodynamically Bound Nanoparticle Dimers<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728<strong>Nano Letters<\/strong>\u4e0a\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe\u4e00\u3001\u5728\u5706\u5f62\u6781\u5316\u9ad8\u65af\u5149\u675f\u4e2dEBD\u7684\u5f62\u6210\u4e0e\u65cb\u8f6c<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-108855\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72471-5.jpg\" alt=\"\" width=\"503\" height=\"366\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72471-5.jpg 503w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72471-5-300x218.jpg 300w\" sizes=\"(max-width: 503px) 100vw, 503px\" \/><\/p>\n<p>(a) \u4eceED-LD\u6a21\u62df\u4e2d\u83b7\u5f97\u7684\u4e24\u4e2a150 nm\u76f4\u5f84\u7684Ag\u7eb3\u7c73\u7c92\u5b50\u8f68\u8ff9\uff0c\u7531\u53f3\u65cb\u805a\u7126\u7684CP\u5149\u675f\u7167\u4eae\u3002\u63cf\u8ff0\u8fd1\u573a\u7684EBD\u7684\u5f62\u6210\u548c\u4f34\u968f\u7684\u65cb\u8f6c\uff08\u5b9e\u65f6\u547d\u4ee4\u81ea\u4e0a\u800c\u4e0b\uff09\u6a21\u62df\u4e2d\u83b7\u5f97\u7684\u8f68\u8ff9\u3002\u80cc\u666f\u68af\u5ea6\u5bf9\u4e8b\u4ef6\u6355\u83b7\u5149\u675f\uff08\u767d\u8272\u662f\u6700\u9ad8\u5f3a\u5ea6\uff09\u663e\u793a\u4e86\u5176\u5f3a\u5ea6\u5206\u5e03\u3002<\/p>\n<p>(b) \u4e00\u7cfb\u5217\u5b9e\u9a8c\u6697\u573a\u56fe\u50cf\uff08\u5b9e\u65f6\u547d\u4ee4\u81ea\u4e0a\u800c\u4e0b\uff09\u7531\u4e24\u4e2a\u7ec4\u6210\u7684\u5149\u5b66\u4e8c\u805a\u4f53\u7ec4\u6210\u3002\u76f4\u5f84150 nm\u7684Ag\u7eb3\u7c73\u7c92\u5b50\uff0c\u987a\u65f6\u9488\u65b9\u5411\u65cb\u8f6c\uff08\u5de6\u5217\uff09\u548c\u9006\u65f6\u9488\u65b9\u5411\uff08\u53f3\u5217\uff09\u5206\u522b\u662f\u53f3\u65cb\u548c\u5de6\u65cb\u5149\u3002\u7bad\u5934\u6307\u5b9aEBD\u7684\u65cb\u8f6c\u65b9\u5411\u3002<\/p>\n<p>(c,d)\u5b9e\u9a8c\u53ca\u6a21\u62df\u4e86\u53f3\u65cb\uff08\u84dd\u8272\uff09\u548c\u5de6\u65cb\uff08\u7ea2\u8272\uff09CP\u5149\u5b9e\u65f6\u7167\u5c04\u65f6EBD\u8f74\u7684\u65cb\u8f6c\u8f68\u8ff9\u3002<\/p>\n<p><strong>\u56fe\u4e8c\u3001\u5165\u5c04\u5149\u7ebf\u80fd\u91cf\u4e0eEBD\u548c\u89d2\u52a8\u91cf\u03c9\u7684\u5173\u7cfb<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-108856\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72472-3.jpg\" alt=\"\" width=\"498\" height=\"224\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72472-3.jpg 498w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72472-3-300x135.jpg 300w\" sizes=\"(max-width: 498px) 100vw, 498px\" \/><\/p>\n<p>(a) \u5728\u5b9e\u9a8c\u4e2d\u6355\u6349\u5149\u675f\u7126\u70b9\u7684\u5f3a\u5ea6\u5206\u5e03(\u5de6)\u548c\u6a21\u62df(\u53f3)\u4ee5\u53ca\u5b9e\u9a8c\u548c\u6a21\u62df\u5149\u675f\u7684\u6807\u51c6\u5316\u5f3a\u5ea6\u3002<\/p>\n<p>(b) \u901a\u8fc7\u5b9e\u9a8c\u6d4b\u91cf\u7684\u5165\u5c04\u5149\u675f\u529f\u7387\u7684\u5149\u5b66\u529f\u7387\u7684\u51fd\u6570\uff08\u84dd\u8272\u65b9\u5757\uff0c\u5de6y\u8f74\uff09\u548c\u901a\u8fc7\u6570\u503c\u6a21\u62df\uff08\u7ea2\u8272\u5706\u5708\uff0c\u53f3\u8f74\uff09\u7684\u89d2\u901f\u5ea6\u3002<\/p>\n<p>\u5728\u5b9e\u9a8c\u4e2d\u4e0e\u8868\u9762\u7684\u6c34\u52a8\u529b\u6469\u64e6\u5728\u5b9e\u9a8c\u4e2d\u8fdb\u884c\u800c\u4e0d\u662f\u6a21\u62df\u8fdb\u884c\uff0c\u4ece\u800c\u9020\u6210\u7684\u5dee\u5f02\u53ef\u80fd\u662f\u7531\u4e8e\u9897\u7c92\u5927\u5c0f\u548c\u5f62\u72b6\u7684\u4e0d\u540c\u3002<\/p>\n<p><strong>\u56fe\u4e09\u3001\u5229\u7528\u5076\u6781\u8fd1\u4f3c\u6cd5\u5bf9EBD\u7684\u8f6c\u77e9\u8fdb\u884c\u5206\u6790<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-108857\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72473-3.jpg\" alt=\"\" width=\"506\" height=\"387\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72473-3.jpg 506w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72473-3-300x229.jpg 300w\" sizes=\"(max-width: 506px) 100vw, 506px\" \/><\/p>\n<p>(a) EBD\u793a\u610f\u56fe\u548c\u5750\u6807\u3002<\/p>\n<p>(b) \u5728EBD\u4e0a\u7684\u529b\u77e9\u662f\u4e24\u4e2a150 nm\u76f4\u5f84\u7684Ag\u7eb3\u7c73\u9897\u7c92\u4e2d\u5fc3\u7684\u957f\u5ea6\u3002<\/p>\n<p>(c) \u5728EBD\u4e0a\u7684\u529b\u77e9\u662f\u7c92\u5b50\u95f4\u5206\u79bb\u7684\u51fd\u6570\uff0c\u662f\u4e0d\u540c\u7684\u7c92\u5b50\u534a\u5f84\uff08\u4ece25\u7eb3\u7c73\u523085\u7eb3\u7c73\uff09\u3002<\/p>\n<p>(d) \u4e00\u4e2a\u7531Ag\u7eb3\u7c73\u7c92\u5b50\u7ec4\u6210\u7684EBD\u7684\u626d\u77e9\uff0c\u5bf945\u7eb3\u7c73\u7684\u5730-\u8868\u9762\u5206\u79bb\u4f5c\u4e3a\u5165\u5c04\u6e90\u6ce2\u957f\u7684\u51fd\u6570\u6709\u4e00\u4e2a\u5e73\u9762\u6ce2\u6e90\u3002<\/p>\n<p><strong>\u56fe\u56db\u3001\u5728150\u7eb3\u7c73\u5927\u5c0f\u7684\u7eb3\u7c73\u9897\u7c92\u4e0a\u7684\u8d1f\u8f6c\u77e9<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-108858\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72474-1.jpg\" alt=\"\" width=\"500\" height=\"256\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72474-1.jpg 500w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/10\/\u56fe\u72474-1-300x154.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>(a) EBD\u7684\u53d6\u5411\u4f5c\u4e3a\u7c92\u5b50\u4e4b\u95f4\u4ece\u5bf9\u4e0d\u540c\u6700\u5c0f\u5206\u79bb\u7684\u6a21\u62df\u7ed3\u679c\u4e2d\u8ba1\u7b97\u51fa\u6765\u65f6\u95f4\u7684\u51fd\u6570\uff0c\u5165\u5c04\u5149\u675f\u662f\u53f3\u65cb\u7684CP\u805a\u7126\u9ad8\u65af\u3002<\/p>\n<p>(b) \u4eceEDLD\u4e2d\u83b7\u5f97\u7684\u8f68\u8ff9\u8ba1\u7b97\u89d2\u901f\u5ea6\uff08\u6b63\u65b9\u5f62\uff0c\u5de6y\u8f74\uff09\uff0c\u5bf9EBD\u7684\u4e0d\u540c\u6700\u5c0f\u5206\u8272\u7684\u6a21\u62df\u3002<\/p>\n<p>(c) \u5e73\u5747\u529b\u7684\u52bf(pmf)\uff08\u6982\u7387\u7684\u8d1f\u81ea\u7136\u5bf9\u6570\u5bc6\u5ea6\uff09\uff0c\u4f5c\u4e3a\u9762\u677f(f)\u5b9e\u9a8c\u6570\u636e\u7684\u7c92\u5b50\u95f4\u5206\u79bb\u7684\u51fd\u6570\u3002<\/p>\n<p>(d) \u4e00\u4e2a\u663e\u793aEBD\u65b9\u5411\u7684\u5b9e\u9a8c\u8f68\u8ff9;\u7c92\u5b50\u4ece\u8fd1\u573a\u533a\u57df\u52305 ms\u7684\u5149\u5b66\u7ed3\u5408\u5206\u79bb\u3002<\/p>\n<p>(e) \u5bf9\u4e8e\u5728\u9762\u677f(d)\u4e2d\uff0c\u901a\u8fc7\u5b9e\u9a8c\u6d4b\u91cf\u77ac\u65f6!\u663e\u793a\u7684\u8f68\u8ff9\u3002<\/p>\n<p>(f) \u5b9e\u9a8c\u786e\u5b9a\u4e86\u5206\u79bb\u663e\u793a\u5728EBD\u4e0a\u7684\u4e00\u4e2a\u8d1f\u8f6c\u77e9\u7279\u5f81\u5e73\u5747\u89d2\u901f\u5ea6\uff08\u5927\u7ea6400 nm\uff09\u4f5c\u4e3a\u7c92\u5b50\u7684\u51fd\u6570\uff0c\u5176\u7ed3\u679c\u4e0e\u6a21\u62df\u7ed3\u679c\u4e00\u81f4\u3002<\/p>\n<p><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p>\u672c\u6587\u53d9\u8ff0\u4e86\u65b0\u9896\u7684\u7eb3\u7c73\u9897\u7c92\u65cb\u8f6c\u52a8\u529b\u5b66\u5229\u7528\u5706\u504f\u8f6c\u5149\u5b66\u7269\u8d28\u7814\u7a76\uff0c\u5f00\u8f9f\u4e86\u4e00\u6761\u63a7\u5236\u4e1c\u65b9\u7684\u52a8\u529b\u5b66\u901a\u8fc7\u8026\u5408\u5230\u7c92\u5b50\u95f4\u7684\u5206\u79bb\u7684\u65b0\u9053\u8def\u3002<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<strong><a href=\"http:\/\/pubs.acs.org\/doi\/10.1021\/acs.nanolett.7b02196%20%20\" target=\"_blank\" rel=\"noopener\">Rotation and Negative Torque in Electrodynamically Bound Nanoparticle Dimers<\/a><\/strong>\uff08Nano Letters\uff0c2017\uff0cDOI:10.1021\/acs.nanolett.7b02196\uff09<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u4ed8\u94b0\u7f16\u8f91\uff0c\u4e01\u83f2\u83f2\u5ba1\u6838\uff0c<a href=\"http:\/\/www.cailiaoniu.com\/25127.html\" target=\"_blank\" rel=\"noopener\">\u70b9\u6211\u52a0\u5165 \u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002\u00a0<\/p>\n<p>\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<a href=\"http:\/\/www.ceshigu.com\/\" target=\"_blank\" rel=\"noopener\">\u6d4b\u8bd5\u8c37<\/a>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 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