{"id":165551,"date":"2019-02-20T06:30:20","date_gmt":"2019-02-19T22:30:20","guid":{"rendered":"\/\/m.iemloyee.com\/?p=165551"},"modified":"2019-04-26T14:38:32","modified_gmt":"2019-04-26T06:38:32","slug":"%e9%a3%9e%e7%a7%92x%e5%b0%84%e7%ba%bf%e5%9c%a8%e9%87%8f%e5%ad%90%e6%9d%90%e6%96%99%e5%8a%a8%e5%8a%9b%e5%ad%a6%e4%b8%ad%e7%9a%84%e6%8e%a2%e6%b5%8b%e8%bf%90%e7%94%a8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=165551","title":{"rendered":"\u98de\u79d2X\u5c04\u7ebf\u5728\u91cf\u5b50\u6750\u6599\u52a8\u529b\u5b66\u4e2d\u7684\u63a2\u6d4b\u8fd0\u7528"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8bed\u3011<\/strong><\/p>\n<p><strong>\u5e72\u8d27\u4e13\u680f\uff1a\u5b9a\u671f\u68b3\u7406\u603b\u7ed3\u4e13\u4e1a\u6027\u7684\u5e72\u8d27\u77e5\u8bc6\u3002<\/strong><\/p>\n<p><strong>\u6750\u6599\u4eba\u73b0\u5728\u8bbe\u7acb\u5404\u79cd\u6587\u7ae0\u4e13\u680f\uff0c\u6240\u6d89\u53ca\u9886\u57df\u6b63\u5728\u6162\u6162\u5b8c\u5584\uff0c\u7531\u6b64\u4e5f\u9700\u8981\u66f4\u591a\u7684\u4e13\u680f\u4f5c\u8005\uff0c\u671f\u5f85\u4f60\u4eec\u7684\u52a0\u5165\uff0c\u6709\u610f\u5411\u7684\u5c0f\u4f19\u4f34\u76f4\u63a5\u5fae\u4fe1\u8054\u7cfbcailiaorenVIP\u3002\u4e0d\u8981\u518d\u72b9\u8c6b\uff0c\u4e0b\u4e00\u4e2a\u4e13\u680f\u521b\u59cb\u4eba\u5c31\u662f\u4f60\u3002\u8bf7\u8bb0\u4f4f\uff1a\u7eb5\u7136\u4f60\u79bb\u6211\u5343\u91cc\u4e07\u91cc\uff0c\u6211\u90fd\u5728\u6750\u6599\u4eba\u7b49\u4f60\uff01<\/strong><\/p>\n<p>\u6cf5\u6d66\u63a2\u6d4bX\u5c04\u7ebf\uff08Pump\u2013probe X- ray\uff09\u6280\u672f\u662f\u4e00\u9879\u7814\u7a76\u6750\u6599\u52a8\u529b\u5b66\u7684\u65b0\u578b\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u76f4\u63a5\u6355\u83b7\u77ac\u6001\u5149\u8bf1\u5bfc\u7684\u5fae\u89c2\u81ea\u7531\u5ea6\u53d8\u5316\u3002\u5728\u5178\u578b\u7684X\u5c04\u7ebf\u65f6\u95f4\u5206\u8fa8\u5b9e\u9a8c\u4e2d\uff0c\u6750\u6599\u6837\u54c1\u88ab\u5f3a\u6fc0\u5149\u8109\u51b2\u6fc0\u53d1\uff0c\u79f0\u4e3a\u6cf5\u8109\u51b2\uff0c\u5f15\u8d77\u6750\u6599\u7684\u52a8\u6001\u53d8\u5316\u3002\u65f6\u95f4\u5ef6\u8fdf\u7684X\u5c04\u7ebf\u8109\u51b2\u901a\u8fc7\u4e0e\u6750\u6599\u7684\u76f8\u4e92\u4f5c\u7528\u63a2\u6d4b\u5176\u52a8\u6001\u53d8\u5316\uff0c\u968f\u540e\u901a\u8fc7\u68c0\u6d4b\u5668\u6536\u96c6\u6563\u5c04\uff08\u6216\u900f\u5c04\uff09\u7684\u5149\u675f\u3002\u6839\u636e\u5bf9\u786c\u548c\u8f6fX\u5c04\u7ebf\u4e2d\u5149\u5b50\u80fd\u91cf\u7684\u7b5b\u9009\uff0c\u53ef\u4ee5\u4f7f\u7528\u8bf8\u5982X\u5c04\u7ebf\u884d\u5c04\uff0cX\u5c04\u7ebf\u5438\u6536\u5149\u8c31\u548c\u5171\u632fX\u5c04\u7ebf\u884d\u5c04\u7b49\u6280\u672f\u83b7\u5f97\u6709\u5173\u6750\u6599\u7684\u539f\u5b50\u6216\u7535\u5b50\u7ed3\u6784\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u5149\u8109\u51b2\u53ef\u4ee5\u5f15\u8d77\u56fa\u4f53\u7279\u6027\u7684\u52a8\u6001\u53d8\u5316\u3002\u5728\u91cf\u5b50\u6750\u6599\u4e2d\uff0c\u5df2\u7ecf\u53d1\u73b0\u4e86\u8bb8\u591a\u76f8\u5173\u7684\u65b0\u73b0\u8c61: \u7535\u5b50\u76f8\u4e4b\u95f4\u7684\u8d85\u5feb\u8f6c\u53d8\uff0c\u94c1\u7535\u9636\u6b21\u7684\u8f6c\u6362\u548c\u975e\u5e73\u8861\u6d8c\u73b0\u884c\u4e3a(non-equilibrium emergent behaviors)\uff0c\u5149\u81f4\u8d85\u5bfc\u73b0\u8c61\u7b49\u7b49\u3002\u7814\u7a76\u8fd9\u4e9b\u73b0\u8c61\u9700\u8981\u5728\u8d85\u5feb\u65f6\u95f4\u5206\u8fa8\u7387\u4e0b\u5bf9\u591a\u4e2a\u5fae\u89c2\u81ea\u7531\u5ea6\u8fdb\u884c\u8be6\u7ec6\u6d4b\u91cf\u3002\u98de\u79d2X\u5c04\u7ebf\u6280\u672f\u4e3a\u5176\u63d0\u4f9b\u4e86\u53ef\u80fd\u3002\u5b83\u53ef\u4ee5\u63a2\u6d4b\u6750\u6599\u7684\u77ac\u6001\u7ed3\u6784\uff0c\u7535\u5b50\u548c\u78c1\u81ea\u7531\u5ea6\u7684\u52a8\u6001\u3002 \u8fd9\u7bc7\u6587\u7ae0\u603b\u7ed3\u4e86\u4e00\u7cfb\u5217\u4ee3\u8868\u6027\u7684\u5b9e\u9a8c\u7814\u7a76\u3002\u00a0<\/p>\n<p><strong>\u4e00\uff0e\u94c1\u8d28\u6750\u6599<\/strong><\/p>\n<p>\u8d85\u5feb\u94c1\u7535\u8f6c\u6362<\/p>\n<p>\u7531\u4e8e\u76f8\u53cd\u76f8\u4f4d\u7535\u6781\u5316\u6240\u5f15\u53d1\u7684\u7ed3\u6784\u626d\u66f2\u72b6\u6001\u548c\u53cc\u7a33\u5b9a\u72b6\u6001\uff0c\u4f7f\u5f97\u94c1\u7535\u6750\u6599\u5177\u6709\u5f88\u5927\u7684\u79d1\u5b66\u7814\u7a76\u4ef7\u503c\u548c\u6280\u672f\u610f\u4e49\u3002\u5229\u7528\u8fd9\u4e9b\u7279\u6027\uff0c\u6570\u5b57\u4fe1\u606f\u53ef\u4ee5\u5b58\u50a8\u5728\u94c1\u7535\u4f53\u4e2d\uff0c\u8fdb\u800c\u4f7f\u5176\u7528\u4e8e\u975e\u6613\u5931\u6027\u4fe1\u606f\u5b58\u50a8\u88c5\u7f6e\u7684\u7814\u53d1\u3002\u901a\u5e38\uff0c\u901a\u8fc7\u65bd\u52a0\u8109\u51b2\u7535\u573a\u53ef\u4ee5\u5b9e\u73b0\u94c1\u7535\u6781\u5316\u7684\u8f6c\u6362\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u94c1\u7535\u8f6c\u6362\u662f\u7531\u975e\u76f8\u5e72\u52a8\u529b\u5b66\u548c\u7574\u754c\u7684\u4f20\u64ad\u9a71\u52a8\u7684\u3002\u8fd9\u4f7f\u5f97\u8f6c\u6362\u8017\u65f6\u8fbe\u5230\u6570\u767e\u76ae\u79d2\u3002\u4e3a\u4e86\u7f29\u77ed\u8f6c\u6362\u65f6\u95f4\uff0c\u79d1\u5b66\u5bb6\u5c1d\u8bd5\u8fc7\u901a\u8fc7\u5229\u7528\u8109\u51b2\u62c9\u66fc\u6563\u5c04\u6216\u76f4\u63a5\u6fc0\u53d1\u9a71\u52a8\u94c1\u7535\u8f6f\u6a21\uff0c\u4ee5\u5b9e\u73b0\u8d85\u9ad8\u901f\u8f6c\u6362\u3002<\/p>\n<p>\u79d1\u5b66\u5bb6S. Gr\u00a8ubel\u7b49\u4eba\u5229\u7528\u5355\u5468\u671f\u592a\u8d6b\u5179\u8109\u51b2\u76f4\u63a5\u6fc0\u53d1\u6750\u6599\u5f15\u8d77\u6676\u683c\u632f\u52a8 \u5e76\u5229\u7528\u8d85\u5febX\u5c04\u7ebf\u5bf9Sn2P2S6\u5728\u5176\u94c1\u7535\u76f8\u4e2d\u8f6f\u6a21\u53d7\u76f4\u63a5\u6fc0\u53d1\u800c\u5f15\u8d77\u7684\u7ed3\u6784\u54cd\u5e94\u8fdb\u884c\u4e86\u5b9a\u91cf\u6d4b\u91cf\u3002\u5728\u5cf0\u503c\u7535\u573a\u4e3a120kV cm-1\u7684\u592a\u8d6b\u8109\u51b2\u6fc0\u53d1\u4e4b\u540e\uff0c\u79d1\u5b66\u5bb6\u901a\u8fc7\u76f8\u5e94\u7684Bragg peaks \u5f3a\u5ea6\u6765\u6d4b\u91cf\u539f\u5b50\u6cbf\u8f6f\u6a21\u5750\u6807\u7684\u76f8\u5e72\u632f\u8361\u3002\u8fd9\u4e9b\u8fd0\u52a8\u7684\u5e45\u5ea6\u5bf9\u5e94\u4e8e\u94c1\u7535\u6781\u5316\u4e2d8\uff05\u7684\u53d8\u5316\u3002\u636e\u63a8\u65ad\uff0c\u5982\u679c\u8981\u5c06\u592a\u8d6b\u7535\u573a\u589e\u52a0\u52301 MV cm-1\uff0c\u94c1\u7535\u6781\u6027\u8f6c\u5f88\u53ef\u80fd\u53ef\u4ee5\u5b9e\u73b0\u3002[1] \u56fe 1 \u4e3a\u5b9e\u9a8c\u793a\u610f\u56fe<\/p>\n<p>\u56fe1\uff1a\u5b9e\u9a8c\u793a\u610f\u56fe\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-165552 size-full aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72471-18.png\" alt=\"\" width=\"566\" height=\"322\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72471-18.png 566w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72471-18-300x171.png 300w\" sizes=\"(max-width: 566px) 100vw, 566px\" \/><\/p>\n<p>\u76f8\u5173\u7814\u7a76\uff1a<\/p>\n<p>Gr\u00fcbel, S. et\u00a0al. Ultrafast x- ray diffraction of a ferroelectric soft mode driven by broadband terahertz pulses. Preprint at arXiv, 1602.05435 (2016).\u00a0<\/p>\n<p><strong>\u4e8c\uff0e\u6750\u6599\u78c1\u6027\u6027\u80fd\u7814\u7a76<\/strong><\/p>\n<p>\u65f6\u95f4\u5206\u8fa8X\u5c04\u7ebf\u6563\u5c04\u6280\u672f\u4e5f\u88ab\u7528\u4e8e\u53cd\u94c1\u78c1\u6709\u5e8f\u6027\u7684\u6750\u6599\u7684\u52a8\u529b\u5b66\u7814\u7a76\u3002\u5728\u8fc7\u53bb\u768410\u5e74\u4e2d\uff0c\u5171\u632fX\u5c04\u7ebf\u6563\u5c04\u9010\u6b65\u53d1\u5c55\u5e76\u5b8c\u5584\u4e3a\u4e00\u79cd\u5f3a\u5927\u7684\u6280\u672f\u3002\u5b83\u53ef\u4ee5\u5c31\u5143\u7d20\u78c1\u7279\u5f02\u6027\u5728\u7eb3\u7c73\u7ea7\u7cbe\u5ea6\u4e0a\u8fdb\u884c\u5b9a\u91cf\u548c\u5b9a\u6027\u7684\u52a8\u529b\u5b66\u5206\u6790\u3002\u8d85\u5febX\u5c04\u7ebf\u5149\u6e90\u88ab\u5e7f\u6cdb\u7684\u4f7f\u7528\u4e8e\u98de\u79d2\u7ea7\u78c1\u6027\u9886\u57df\u3002\u9664\u6b64\u6b64\u5916\uff0c\u8fd9\u4e9b\u5b9e\u9a8c\u63a8\u52a8\u4e86\u4e00\u6574\u5957\u65b0\u6280\u672f\u7684\u5f00\u53d1\u548c\u8fd0\u7528\u3002<\/p>\n<p>\u6700\u8fd1\uff0cL. Rettig\u7b49\u4eba\u5229\u7528\u65f6\u95f4\u5206\u8fa8\u5171\u632fX\u5c04\u7ebf\u6563\u5c04\u8fdb\u884c\u4e86\u53cd\u94c1\u78c1Ho\u6750\u6599\u7684\u78c1\u5316\u52a8\u529b\u5b66\u7814\u7a76\u3002\u5728\u6bcf\u4e2a\u00a0 \u00a0 Ho\u539f\u5b50\u4e0a\uff0c\u603b\u78c1\u77e9\u4e3b\u8981\u627f\u8f7d\u4e8e\u5c40\u90e84f\u8f68\u9053\u7535\u5b50\uff0c\u90e8\u5206\u627f\u8f7d\u4e8e\u5f62\u6210\u4ef7\u5e26\u76845d\u8f68\u9053\u7535\u5b50\u3002\u5f53\u8fd1\u7ea2\u5916\u98de\u79d2\u8109\u51b2\u9009\u62e9\u6027\u5730\u6fc0\u53d15d\u7535\u5b50\u65f6\uff0c\u4f7f\u7528\u4e0d\u540c\u539f\u5b50\u8dc3\u8fc1\u7684\u65f6\u95f4\u5206\u8fa8\u5171\u632f\u78c1\u6563\u5c04\u6765\u5206\u522b\u6784\u5efa\u548c\u5206\u6790\u7535\u5b50\u5728\u5c40\u90e84f\u548c5d\u81ea\u65cb\u7684\u52a8\u529b\u5b66\u3002\u5b9e\u9a8c\u663e\u793a\uff0c4f-5d\u4ea4\u6362\u8026\u5408\u4f5c\u7528\u975e\u5e38\u5f3a\uff0c\u4ee5\u81f3\u4e8e\u8fd9\u4e9b\u4e0d\u540c\u7535\u5b50\u4e0a\u7684\u81ea\u65cb\u5728\u76f8\u540c\u7684\u65f6\u95f4\u88ab\u6dec\u706d\u3002[2] \u56fe2\u4f4d\u80fd\u7ea7\u793a\u610f\u56fe\u548c\u5b9e\u9a8c\u793a\u610f\u56fe<\/p>\n<p>\u56fe2\u00a0\u80fd\u7ea7\u793a\u610f\u56fe\u4e0e\u5b9e\u9a8c\u8fc7\u7a0b\u793a\u610f\u56fe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-165553 size-full aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72472-18.png\" alt=\"\" width=\"556\" height=\"677\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72472-18.png 556w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72472-18-246x300.png 246w\" sizes=\"(max-width: 556px) 100vw, 556px\" \/><\/p>\n<p>\u76f8\u5173\u7814\u7a76\uff1a<\/p>\n<p>Rettig, L. et\u00a0al. Itinerant and localized magnetization dynamics in antiferromagnetic Ho. Phys. Rev. Lett. 116, 257202 (2016).<\/p>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u78c1\u6563\u5c04\u4e0eX\u5c04\u7ebf\u5168\u606f\u672f\u5b9e\u73b0\u4e86\u78c1\u5316\u52a8\u529b\u5b66\u7684\u6210\u50cf\u3002 2012\u5e74\uff0c\u8fd0\u7528\u98de\u79d2\u8f6fX\u5c04\u7ebf\u8109\u51b2\u5f97\u5230\u7684\u9ad8\u8d28\u91cf\u78c1\u5168\u606f\u56fe\u9996\u6b21\u9762\u4e16\u3002[3] \u6700\u8fd1\uff0c\u79d1\u5b66\u5bb6C. von Korff Schmising\u4f7f\u7528\u8be5\u6280\u672f\u5bf9Co \/ Pd\u5316\u5408\u7269\u7574\u754c\u5904\u7684\u8d85\u5feb\u53bb\u78c1\u52a8\u529b\u5b66(ultrafast demagnetization dynamics)\u8fdb\u884c\u76f4\u63a5\u6210\u50cf\u3002\uff08\u56fe3\uff09 [4] \u6b64\u5916\uff0c\u79d1\u5b66\u5bb6Seaberg, M. H.\u5229\u7528 X\u5c04\u7ebf\u5149\u5b50\u5149\u8c31(X-ray phono correlation spectroscopy)\u4e0e\u76f8\u5e72\u5171\u632f\u78c1X\u5c04\u7ebf\u6563\u5c04\u6280\u672f\u7684\u7ed3\u5408\uff08\u56fe4\uff09\u8fdb\u884c\u4e86\u7eb3\u7c73\u7ea7\u65f6\u95f4\u7ef4\u5ea6\u4e0a\u7684\u78c1\u6027Skyrmions\u7684\u81ea\u53d1\u6027\u6ce2\u52a8\u7814\u7a76\u3002[5] \u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0cX\u5c04\u7ebf\u5149\u5b50\u5149\u8c31\u53ef\u6210\u529f\u5730\u7528\u4e8e\u03bceV\u7ea7\u80fd\u91cf\u8303\u56f4\u5185\u7684\u6fc0\u53d1\u5b9e\u9a8c\u7814\u7a76\uff0c\u8fdb\u800c\u5f25\u8865\u4e86\u975e\u5f39\u6027X\u5c04\u7ebf\u6563\u5c04 (inelastic X-ray scattering) \u548c\u4e2d\u5b50\u6563\u5c04 (neutron scattering) \u4ec5\u53ef\u7528\u4e8emeV\u7ea7\u80fd\u91cf\u8303\u56f4\u5185\u7684\u6fc0\u53d1\u5b9e\u9a8c\u7684\u5c40\u9650\u6027\u3002<\/p>\n<p>\u56fe3\u4e0d\u540c\u6cf5\u6d66\u6fc0\u53d1\u65f6\u95f4\u957f\u5ea6\u4e0b\u7684\u78c1\u6027\u53d8\u5316X\u5c04\u7ebf\u78c1\u6027\u5706\u5f62\u4e8c\u8272\u6027\u6210\u50cf(x-ray magnetic circular dichroism imaging)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-165554 size-full aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72473-19.png\" alt=\"\" width=\"482\" height=\"154\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72473-19.png 482w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72473-19-300x96.png 300w\" sizes=\"(max-width: 482px) 100vw, 482px\" \/><\/p>\n<p>\u56fe4 \u5b9e\u9a8c\u88c5\u7f6e\u793a\u610f\u56fe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-165555 size-full aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72474-18.png\" alt=\"\" width=\"601\" height=\"267\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72474-18.png 601w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72474-18-300x133.png 300w\" sizes=\"(max-width: 601px) 100vw, 601px\" \/><\/p>\n<p>\u76f8\u5173\u7814\u7a76\uff1a<\/p>\n<p>Wang, T. et\u00a0al. Femtosecond single- shot imaging of nanoscale ferromagnetic order in Co\/Pd multilayers using resonant x- ray holography. Phys. Rev. Lett. 108, 267403 (2012).\u00a0<\/p>\n<p>von Korff Schmising, C. et\u00a0al. Imaging ultrafast demagnetization dynamics after a spatially localized optical excitation. Phys. Rev. Lett. 112, 217203 (2014).\u00a0<\/p>\n<p>Seaberg, M. H. et\u00a0al. Nanosecond X- ray photon correlation spectroscopy on magnetic skyrmions. Phys. Rev. Lett. 119, 067403 (2017).\u00a0<\/p>\n<p><strong>\u4e09\uff0e \u5149\u8bf1\u5bfc\u94dc\u9178\u76d0\u8d85\u5bfc\u6027\u7814\u7a76<\/strong><\/p>\n<p>YBa<sub>2<\/sub>Cu<sub>3<\/sub>O<sub>6 + x<\/sub>\u578b\u7a7a\u7a74\u63ba\u6742\u94dc\u9178\u76d0\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u9ad8\u6e29\u8d85\u5bfc\u4f53\u3002\u5176\u901a\u5e38\u4e3aPerovskite\u6676\u4f53\u7ed3\u6784\u3002\u8be5\u6676\u4f53\u7531CuO<sub>2<\/sub>\u53cc\u5c42\u4e0eBa\uff0cCu\u548cO\u7ec4\u6210\u7684\u5c42\u9762\u6cbfc\u8f74\u4ea4\u66ff\u5806\u53e0\u7ec4\u6210\uff08\u56fe5\uff09\u3002\u901a\u8fc7\u51cf\u5c0f\u9876\u7aefO\u548c\u5e73\u9762Cu\u539f\u5b50\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u53ef\u4ee5\u6781\u5927\u5730\u589e\u5f3a\u6750\u6599\u7684\u8d85\u5bfc\u6027\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u65bd\u52a0\u51e0\u5343\u5df4 (kilo bars) \u7684\u538b\u5f3a\u6765\u5b9e\u73b0\u3002\u6750\u6599\u7684\u8d85\u5bfc\u7279\u6027\u548c\u539f\u7406\u542f\u53d1\u4e86\u79d1\u5b66\u5bb6\u5bf9\u4e8e\u5149\u63a7\u8d85\u5bfc\u6750\u6599\u7684\u7814\u7a76\u3002\u901a\u8fc7\u5728\u4e0a\u8ff0\u539f\u5b50\u95f4\u8ddd\u4e2d\u65bd\u4ee5\u4e2d\u7ea2\u5916\u8109\u51b2(mid-infrared pulses) \u6fc0\u53d1\u8f83\u5927\u632f\u5e45\u7684\u632f\u52a8\uff0c\u53ef\u4ee5\u5728\u4e34\u754c\u6e29\u5ea6\u4ee5\u4e0a\u5b9e\u73b0\u7ea6\u51e0\u76ae\u79d2\u7684\u8d85\u5bfc\u73b0\u8c61\u3002[6]<\/p>\n<p>\u56fe5\u00a0YBa<sub>2<\/sub>Cu<sub>3<\/sub>O<sub>6 + x<\/sub>\u578b\u7a7a\u7a74\u63ba\u6742\u94dc\u9178\u76d0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-165556 size-full aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72475-18.png\" alt=\"\" width=\"235\" height=\"367\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72475-18.png 235w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72475-18-192x300.png 192w\" sizes=\"(max-width: 235px) 100vw, 235px\" \/><\/p>\n<p>\u76f8\u5173\u7814\u7a76\uff1a<\/p>\n<p>Kaiser, S. et\u00a0al. Optically induced coherent transport far above Tc in underdoped YBa2Cu3O6+\u03b4. Phys. Rev. B 89, 184516 (2014).\u00a0<\/p>\n<p>YBa<sub>2<\/sub>Cu<sub>3<\/sub>O<sub>6.5<\/sub>\u5728100K\u65f6\u5149\u8bf1\u5bfc\u8d85\u5bfc\u73b0\u8c61\u7684\u4e00\u4e2a\u5173\u952e\u90e8\u5206\u662f\u9876\u7aefO\u5230\u5e73\u9762Cu\u8ddd\u79bb\u7684\u77ac\u65f6\u51cf\u5c11\u3002\u4e0e\u9759\u538b\u5f15\u8d77\u7684\u6548\u5e94\u76f8\u6bd4\uff0c\u8fd9\u79cd\u77ac\u65f6\u8fd0\u52a8\u53ef\u4ee5\u4fc3\u8fdb\u5149\u8bf1\u5bfc\u6cbf\u7740\u6676\u4f53c\u8f74\u53d1\u751f\u9ad8\u6e29\u8d85\u5bfc\u3002\u901a\u8fc7density functional theory\uff08DFT\uff09\u8ba1\u7b97\uff0c\u79d1\u5b66\u5bb6\u63a8\u6d4b\u7535\u5b50\u4eceCuO <sub>2<\/sub>\u5e73\u9762\u5230Cu-O\u94fe\u8f6c\u79fb\u3002\u65e5\u540e\u7684\u98de\u79d2\u5171\u632f\u8f6fX\u5c04\u7ebf\u5438\u6536\u5b9e\u9a8c\u8bc1\u5b9e\u4e86\u8fd9\u79cd\u63a8\u6d4b\u3002[7]<\/p>\n<p>\u76f8\u5173\u7814\u7a76\uff1a<\/p>\n<p>F\u00f6rst, M. et\u00a0al. Nonlinear phononics as an ultrafast route to lattice control. Nat. Phys. 7, 854\u2013856 (2011).\u00a0<\/p>\n<p><strong>\u56db\uff0e\u00a0\u590d\u5408\u6c27\u5316\u7269\u00a0(Complex Oxides)\u00a0\u4e2d\u7684\u52a8\u529b\u5b66<\/strong><\/p>\n<p>\u8bb8\u591ad\u5c42\u90e8\u5206\u586b\u5145\u7684\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u4f1a\u8868\u73b0\u51fa\u6709\u8da3\u7684\u96c6\u5408\u73b0\u8c61\u3002\u8fd9\u4e9b\u73b0\u8c61\u53ef\u5f52\u56e0\u4e8e\u5f3a\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\u3002\u5728\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e9b\u6211\u4eec\u6240\u719f\u6089\u7684\u80fd\u5e26\u7406\u8bba\u548c\u7ecf\u5178\u78c1\u5b66\u6982\u5ff5\u6240\u65e0\u6cd5\u89e3\u91ca\u7684\u65b0\u7684\u76f8\u4f1a\u51fa\u73b0\u3002\u8fd9\u4e9b\u76f8\u53ef\u4ee5\u901a\u8fc7\u5916\u90e8\u523a\u6fc0\uff08\u5982\u9759\u78c1\u573a\uff0c\u7535\u573a\u6216\u9759\u6c34\u538b\u529b\uff09\u8f7b\u6613\u5730\u8f6c\u6362\u3002\u6709\u7684\u65f6\u5019\uff0c\u5149\u5b66\u6fc0\u53d1\u4e5f\u4f1a\u5f71\u54cd\u90e8\u5206\u7a33\u5b9a\u76f8\u7684\u5e73\u8861\u72b6\u6001\u5e76\u8fdb\u800c\u5feb\u901f\u5730\u6539\u53d8\u5176\u7535\u5b66\u6027\u8d28\u3002\u7ed3\u5408\u65f6\u95f4\u5206\u8fa8\u786cX\u5c04\u7ebf\u6563\u5c04(time-resolved hard X-ray scattering)\u6216\u592a\u8d6b\u5179\u5149\u8c31\u6280\u672f\uff0c\u76f4\u63a5\u5c55\u73b0\u4e86\u7535\u5b50\u6392\u5e8f\u5982\u4f55\u53d7\u5230\u5f71\u54cd\u4ee5\u53ca\u76f8\u53d8\u53d1\u751f\u7684\u4e0d\u540c\u9636\u6bb5\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u5149\u8f90\u5c04\u78c1\u94c1\u77ff\uff08Fe<sub>3<\/sub>O<sub>4<\/sub>\uff09\u7684\u5b9e\u9a8c\u4e2d\uff0c\u65f6\u95f4\u5206\u8fa8\u7684Fe L<sub>3<\/sub>-edge\u00a0RSXS\u7528\u4e8e\u8ffd\u8e2a\u6fc0\u53d1\u540e\u7535\u5b50\u9636\u7684\u6f14\u53d8\u3002\u5728\u5e73\u8861\u72b6\u6001\u65f6\uff0c\u78c1\u94c1\u77ff\u7684\u4f4e\u6e29\u7535\u8377\u6709\u5e8f\u76f8\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u4e0d\u540c\u5316\u5408\u4ef7\u7684Fe\u4f4d\u70b9\u7684\u6676\u683c\u7578\u53d8\u7f51\u7edc\uff1a\u4e24\u4e2aFe<sup>3 +<\/sup>\u4f4d\u70b9\u548c\u4e00\u4e2aFe<sup>2 +<\/sup>\u4f4d\u70b9\u3002\u5728\u65f6\u95f4\u5206\u8fa8\u6d4b\u91cf\u8fc7\u7a0b\u4e2d\u89c2\u5bdf\u5230\u7684\u52a8\u6001\u53d8\u5316\u53ef\u4ee5\u7406\u89e3\u4e3a\u4ea7\u751f\u79fb\u52a8\u7535\u8377\u540eFe\u00a0trimerons\u53d1\u751f\u7684\u5206\u88c2\u73b0\u8c61\u3002[8]<\/p>\n<p>\u56fe6\u00a0\u901a\u8fc7RSXS\u6280\u672f\u83b7\u5f97\u7684\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u7535\u8377\u53ca\u8f68\u9053\u6392\u5e8f\u72b6\u51b5<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-165557 size-full aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72476-20.png\" alt=\"\" width=\"447\" height=\"399\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72476-20.png 447w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72476-20-300x268.png 300w\" sizes=\"(max-width: 447px) 100vw, 447px\" \/><\/p>\n<p>\u76f8\u5173\u7814\u7a76\uff1a<\/p>\n<p>Zimmermann, M.v. et\u00a0al. Interplay between charge, orbital, and magnetic order in Pr1\u2212xCaxMnO3. Phys. Rev. Lett. 83, 4872\u20134875 (1999).\u00a0<\/p>\n<p><strong>\u4e94\uff0e\u5f02\u8d28\u7ed3\u6784\u7684\u91d1\u5c5e\u590d\u5408\u6c27\u5316\u7269<\/strong><\/p>\n<p>\u5728\u8fc7\u53bb\u51e0\u5e74\u4e2d\uff0c\u7531\u4e8e\u5728\u5e73\u8861\u72b6\u6001\u4e0b\u7684\u7279\u6b8a\u78c1\u6027\u548c\u7535\u5b66\u6027\u80fd\uff0c\u5982\u8d85\u5bfc\u6027\uff0c\u7279\u6b8a\u7684\u94c1\u7535\u6027\u548c\u78c1\u6027\uff0c\u6240\u4ee5\uff0c\u5f02\u8d28\u7ed3\u6784\u7684\u590d\u5408\u6c27\u5316\u7269\u5f15\u8d77\u4e86\u4eba\u4eec\u7684\u6781\u5927\u5174\u8da3\u3002\u4f8b\u5982\u529f\u80fd\u6027\u8584\u819c\u6750\u6599\u7684\u5b9e\u9a8c\u4e2d\uff0c\u5f53\u57fa\u5e95\u6750\u6599\u58f0\u5b50\u5171\u632f\u73b0\u8c61\u53d1\u751f\u65f6\uff0c\u4e2d\u7ea2\u5916\u5149\u573a\u5c06\u5f15\u8d77\u6750\u6599\u4ea4\u754c\u9762\u626d\u66f2\u5e76\u6781\u77ed\u7684\u65f6\u95f4\u5185\u6539\u53d8\u8584\u819c\u6750\u6599\u7684\u7535\u5b66\u7279\u6027\u3002\u4f8b\u5982\u5173\u4e8eLaAlO 3 \/ NdNiO 3\u5f02\u8d28\u7ed3\u6784\u7684\u5b9e\u9a8c\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff1aLaAlO 3\u4f5c\u4e3a\u57fa\u5e95\u6750\u6599\uff0c\u5927\u632f\u5e45\u7684Al-O\u62c9\u4f38\u5f15\u8d77NdNiO 3\u8584\u819c\u4e2d\u7684\u8d85\u5feb\u7edd\u7f18\u4f53 &#8211; \u91d1\u5c5e\u8f6c\u5316\u3002[9]<\/p>\n<p>\u56fe7\u00a0\u9759\u6001\uff08\u84dd\uff09\u548c\u77ac\u6001\uff08\u7ea2\uff09\u4e0bNdNiO 3\u8584\u819c\u6750\u6599\u7684\u5bfc\u7535\u6027<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-165558 size-full aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72477-17.png\" alt=\"\" width=\"296\" height=\"375\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72477-17.png 296w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/01\/\u56fe\u72477-17-237x300.png 237w\" sizes=\"(max-width: 296px) 100vw, 296px\" \/><\/p>\n<p>\u76f8\u5173\u7814\u7a76\uff1a<\/p>\n<p>Caviglia, A. D. et\u00a0al. Ultrafast strain engineering in complex oxide heterostructures. Phys. Rev. Lett. 108, 136801 (2012).\u00a0<\/p>\n<p><strong>\u516d\uff0e \u672a\u6765\u5c55\u671b<\/strong><\/p>\n<p>\u4e0a\u9762\u8ba8\u8bba\u7684\u6240\u6709\u5b9e\u9a8c\u90fd\u8bc1\u660e\u4e86\u77edX\u5c04\u7ebf\u8109\u51b2\u7684\u51fa\u73b0\u5982\u4f55\u80fd\u591f\u66f4\u6df1\u5165\u5730\u7406\u89e3\u590d\u6742\u56fa\u4f53\u4e2d\u7684\u975e\u5e73\u8861\u73b0\u8c61\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0cFEL\u7684\u8fd0\u884c\u662f\u901a\u8fc7self-amplified spontaneous emission\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u5f0a\u7aef\u662f\u4ea7\u751f\u7684\u8109\u51b2\u5e26\u5bbd\u8fc7\u5927\u548c\u6ce2\u52a8\u8f83\u5f3a\u3002\u5c3d\u7ba1\u8fd9\u4e9b\u6ce2\u52a8\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7single diagnostics\u6539\u5584\uff0c\u4f46X\u5c04\u7ebf\u8109\u51b2\u7684\u5e26\u5bbd\u8fc7\u5927\u95ee\u9898\u4e25\u91cd\u964d\u4f4e\u4e86\u5b9e\u9a8c\u7ed3\u679c\u7684\u80fd\u91cf\u5206\u8fa8\u7387\u3002\u8fd9\u4e2a\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5355\u8272\u5668\u6765\u6539\u8fdb\uff0c\u4f46\u9700\u8981\u5927\u5927\u727a\u7272X\u5c04\u7ebf\u5f3a\u5ea6<\/p>\n<p>\u4e3a\u4e86\u514b\u670d\u80fd\u91cf\u5206\u8fa8\u7387\u548c\u5149\u6e90\u7a33\u5b9a\u6027\u7684\u9650\u5236\uff0c\u65b0\u4e00\u4ee3FEL\u5149\u6e90\u7684\u8bbe\u8ba1\u65b9\u6848\u662f\u91c7\u7528seeded FEL\u3002\u4e0e\u73b0\u884c\u65b9\u6848\u76f8\u6bd4\uff0cseeded\u00a0FEL\u53ef\u4ee5\u4ea7\u751f\u5177\u6709\u66f4\u7a84\u5e26\u5bbd\u7684\u8109\u51b2\u5e76\u663e\u7740\u6539\u5584\u80fd\u91cf\u548c\u5f3a\u5ea6\u7a33\u5b9a\u6027\u3002\u65b0\u578bFEL\u5149\u6e90\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u597d\u5904\u662f\u8109\u51b2\u91cd\u590d\u7387\u7684\u589e\u52a0\uff0c\u4ece\u800c\u66f4\u5feb\u5730\u6536\u96c6\u6570\u636e\u3002[10]<\/p>\n<p>\u901a\u8fc7\u6539\u8fdb\u65b0\u7684\u5149\u6e90\uff0c\u6211\u4eec\u80fd\u591f\u83b7\u5f97\u4e9a\u98de\u79d2\u7ea7\u548c\u4efb\u610f\u5f62\u72b6\u7684\u8109\u51b2\u3002\u968f\u7740X\u5c04\u7ebf\u8109\u51b2\u548c\u5149\u5b66\u6fc0\u53d1\u573a\u4e4b\u95f4\uff08\u5982mid-infrared pulses\uff09\u8d8a\u6765\u8d8a\u7cbe\u786e\u7684\u540c\u6b65\uff0c\u8fd9\u4e00\u6280\u672f\u5c06\u5f00\u542f\u6750\u6599\u57fa\u7840\u7269\u7406\u5b66\u6027\u80fd\u7814\u7a76\u7684\u65b0\u7bc7\u7ae0\u3002<\/p>\n<p>\u53c2\u8003\u6587\u732e<\/p>\n<p>[1] Gr\u00fcbel, S. et\u00a0al. Ultrafast x- ray diffraction of a ferroelectric soft mode driven by broadband terahertz pulses. Preprint at arXiv, 1602.05435 (2016).<\/p>\n<p>[2] Rettig, L. et\u00a0al. Itinerant and localized magnetization dynamics in antiferromagnetic Ho. Phys. Rev. Lett. 116, 257202 (2016).<\/p>\n<p>[3] Wang, T. et\u00a0al. Femtosecond single- shot imaging of nanoscale ferromagnetic order in Co\/Pd multilayers using resonant x- ray holography. Phys. Rev. Lett. 108, 267403 (2012).[4] von Korff Schmising, C. et\u00a0al. Imaging ultrafast demagnetization dynamics after a spatially localized optical excitation. Phys. Rev. Lett. 112, 217203 (2014).[5] Seaberg, M. H. et\u00a0al. Nanosecond X- ray photon correlation spectroscopy on magnetic skyrmions. Phys. Rev. Lett. 119, 067403 (2017).[6] Kaiser, S. et\u00a0al. Optically induced coherent transport far above Tc in underdoped YBa2Cu3O6+\u03b4. Phys. Rev. B 89, 184516 (2014).<\/p>\n<p>[7] F\u00f6rst, M. et\u00a0al. Nonlinear phononics as an ultrafast route to lattice control. Nat. Phys. 7, 854\u2013856 (2011).<\/p>\n<p>[8] Zimmermann, M.v. et\u00a0al. Interplay between charge, orbital, and magnetic order in Pr1\u2212xCaxMnO3. Phys. Rev. Lett. 83, 4872\u20134875 (1999).<\/p>\n<p>[9] Caviglia, A. D. et\u00a0al. Ultrafast strain engineering in complex oxide heterostructures. Phys. Rev. Lett. 108, 136801 (2012).<\/p>\n<p>[10] Allaria, E. et\u00a0al. Highly coherent and stable pulses from the FERMI seeded free- electron laser in the extreme ultraviolet. Nat. Photonics 6, 699\u2013704 (2012).<\/p>\n<p>\u672c\u6587\u7531<strong><b>\u6750\u6599\u4eba\u79d1\u6280\u987e\u95ee\u5143\u540c\u5b66<\/b><\/strong><strong><b>\u4f9b\u7a3f<\/b><\/strong>\uff0c\u7f16\u8f91\u90e8\u7f16\u8f91\u3002<\/p>\n<p>\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1: tougao@cailiaoren.com.<\/p>\n<p>\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaorenVIP.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8bed\u3011 \u5e72\u8d27\u4e13\u680f\uff1a\u5b9a\u671f\u68b3\u7406\u603b\u7ed3\u4e13\u4e1a\u6027\u7684\u5e72\u8d27\u77e5\u8bc6\u3002 \u6750\u6599\u4eba\u73b0\u5728\u8bbe\u7acb\u5404\u79cd\u6587\u7ae0\u4e13\u680f\uff0c\u6240\u6d89\u53ca\u9886\u57df\u6b63\u5728\u6162\u6162\u5b8c\u5584\uff0c\u7531\u6b64\u4e5f\u9700\u8981\u66f4\u591a\u7684\u4e13\u680f\u4f5c\u8005\uff0c\u671f\u5f85\u4f60\u4eec\u7684\u52a0\u5165\uff0c\u6709\u610f\u5411\u7684\u5c0f\u4f19\u4f34&#8230;<\/p>\n","protected":false},"author":10213,"featured_media":174207,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-165551","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ganhuo"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/165551"}],"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\/10213"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=165551"}],"version-history":[{"count":7,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/165551\/revisions"}],"predecessor-version":[{"id":167638,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/165551\/revisions\/167638"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/174207"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=165551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=165551"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=165551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}