{"id":115646,"date":"2017-12-07T06:30:43","date_gmt":"2017-12-06T22:30:43","guid":{"rendered":"\/\/m.iemloyee.com\/?p=115646"},"modified":"2017-12-05T17:37:17","modified_gmt":"2017-12-05T09:37:17","slug":"phys-rev-lett-%ef%bc%9a%e9%9d%9e%e5%b9%b3%e8%a1%a1%e7%8a%b6%e6%80%81%e4%b8%8bsnp%e6%9e%81%e6%80%a7%e9%9d%9e%e6%9e%81%e6%80%a7%e7%9b%b8%e7%95%8c%e7%9a%84%e8%b6%85%e5%af%bc%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=115646","title":{"rendered":"Phys. Rev. Lett.\uff1a\u975e\u5e73\u8861\u72b6\u6001\u4e0bSnP\u6781\u6027\/\u975e\u6781\u6027\u76f8\u754c\u7684\u8d85\u5bfc\u6027"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u94c1\u7535\u6750\u6599\u901a\u5e38\u662f\u7edd\u7f18\u7684\uff0c\u4f46\u4ecd\u6709\u4e00\u4e9b\u6781\u6027\u91d1\u5c5e\u6750\u6599\u65e2\u6709\u91d1\u5c5e\u6027\u8d28\u53c8\u6709\u7c7b\u94c1\u7535\u5931\u771f\u6027\u30021965\u5e74\uff0cAnderson\u548cBlount\u7b49\u4eba\u9884\u6d4b\u5728\u91d1\u5c5e\u4e2d\u5b58\u5728\u5411\u94c1\u7535\u6001\u8f6c\u53d8\u7684\u8fde\u7eed\u7ed3\u6784\u76f8\u53d8\u3002\u57fa\u4e8e\u6b64\u63a8\u6d4b\uff0c\u5df2\u7ecf\u63a2\u7d22\u548c\u53d1\u5c55\u4e86\u663e\u793a\uff0c\u5982LiOsO3<\/sub>\u7b49\u5c55\u73b0\u51fa\u6781\u6027\u7ed3\u6784\u8f6c\u53d8\u7684\u6750\u6599\u5df2\u7ecf\u5f97\u5230\u4e86\u9ad8\u5ea6\u7684\u91cd\u89c6\u548c\u6df1\u5165\u7684\u7814\u7a76\u3002 \u5c3d\u7ba1\u5982\u6b64\uff0c\u5177\u6709\u6781\u6027\u5bf9\u79f0\u6027\u7684\u91d1\u5c5e\u4ecd\u7136\u5f88\u5c11\u3002 \u5b9e\u9a8c\u8bc1\u5b9e\u5728\u6781\u6027\u91d1\u5c5e\u4e2d\u5b58\u5728\u4e00\u4e9b\u6709\u8da3\u7684\u7269\u7406\u6027\u8d28\u3002\u5728\u8fd9\u4e9b\u6750\u6599\u4e2d\u8fd8\u89c2\u5bdf\u5230\u5f88\u5927\u78c1\u7535\u963b\u3001\u70ed\u529f\u7387\u7684\u4e34\u754c\u589e\u5f3a\u4ee5\u53ca\u5728\u538b\u529b\u4e0b\u4e0e\u6781\u6027\u76f8\u5171\u5b58\u7684\u8d85\u5bfc\u7535\u6027\u3002\u7136\u800c\uff0c\u6781\u6027\u91d1\u5c5e\u591a\u6837\u7684\u7269\u7406\u6027\u8d28\u4ee5\u53ca\u5bf9\u8fd9\u4e9b\u6027\u8d28\u7684\u8c03\u63a7\u4ecd\u6709\u5f85\u63a2\u7d22\u3002<\/p>\n \u3010\u6210\u679c\u4ecb\u7ecd\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u65e5\u672c<\/strong>CEMS<\/strong>\u7814\u7a76\u6240\u7684<\/strong>M. Kamitani<\/strong>\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728\u73af\u5883\u538b\u529b\u7ea6\u4e3a250K\u4e0b\uff0c\u4f7fSnP\u4ece\u7b80\u5355\u7684NaCl\u7ed3\u6784\u8f6c\u5316\u4e3a\u6781\u6027\u56db\u65b9\u6676\u4f53\u7ed3\u6784\uff08\u6b64\u8f6c\u6362\u4e3a\u7c7b\u94c1\u7535\u7ed3\u6784\u8f6c\u6362\uff1a\u5373\u4ece\u975e\u5e73\u8861\u4ef7\u6001Sn3+<\/sup>\u8f6c\u5316\u4e3a\u5176\u4ed6\u4ef7\u6001\uff09\u3002\u7814\u7a76\u8868\u660e\u8fd9\u79cd\u8f6c\u6362\uff0c\u4e0d\u4ec5\u4f7f\u5176\u6676\u4f53\u7ed3\u6784\u8f6c\u53d8\uff0c\u8fd8\u4f7f\u5f97\u5176\u78c1\u6027\u3001\u7535\u5b50\u7279\u6027\u90fd\u53d1\u751f\u4e86\u8f6c\u53d8\u3002\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u9a8c\u8bc1\u4e86\u5b9e\u9a8c\u89c2\u6d4b\u6240\u5f97\u7684\u56db\u65b9\u6676\u4f53\u7ed3\u6784\u53d8\u5f62\u52a0\u5f3a\u4e86Sn\u5230P\u7684\u7535\u8377\u8f6c\u79fb\u80fd\u529b\uff0c\u4ece\u800c\u4f7f\u5f97\u6781\u6027\u56db\u65b9\u76f8\u5728\u80fd\u91cf\u4e0a\u4e0e\u975e\u6781\u6027\u7acb\u65b9\u76f8\u76f8\u6bd4\u66f4\u52a0\u7a33\u5b9a\u3002\u5b9e\u9a8c\u8bc1\u660e\uff0c\u6d41\u4f53\u9759\u538b\u65bd\u52a0\u7684\u538b\u529b\u53ef\u4ee5\u4f7fSnP\u4e2d\u7684\u7ed3\u6784\u76f8\u8fc5\u901f\u8f6c\u6362\uff0c\u4ece\u800c\u5bfc\u81f4\u5728\u76f8\u7ade\u4e89\u751f\u957f\u60c5\u51b5\u4e0b\u6709\u5927\u5757\u8d85\u5bfc\u76f8\u7684\u5b58\u5728\u3002\u8fd9\u4e9b\u7ed3\u679c\u9610\u660e\u5bf9\u91d1\u5c5e\u4e2d\u7c7b\u94c1\u7535\u76f8\u7684\u4e0d\u7a33\u5b9a\u63a7\u5236\u53ef\u4ee5\u6210\u4e3a\u521b\u9020\u65b0\u8d85\u5bfc\u6750\u6599\u7684\u53e6\u4e00\u6761\u5149\u660e\u5927\u9053\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cSuperconductivity at the Polar-Nonpolar Phase Boundary of SnP with an Unusual Valence State<\/strong>\u201d\u53d1\u5e03\u5728Phys. Rev. Lett.<\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe<\/strong>1.<\/strong>\uff08<\/strong>a<\/strong>\uff09\u662f<\/strong>SnP<\/strong>\u7acb\u65b9\u4f53\u76f8\u7684\u6676\u4f53\u7ed3\u6784\uff1b\uff08<\/strong>b<\/strong>\uff09\u662f<\/strong>SnP<\/strong>\u56db\u65b9\u4f53\u76f8\u7684\u6676\u4f53\u7ed3\u6784\uff1b\uff08<\/strong>c<\/strong>\uff09-\uff08<\/strong>d<\/strong>\uff09\u4e3a\u80fd\u5e26\u7ed3\u6784\uff1b\uff08<\/strong>e<\/strong>\uff09-\uff08<\/strong>f<\/strong>\uff09\u4e3a\u6001\u5bc6\u5ea6\uff1b\uff08<\/strong>g<\/strong>\uff09\u3001\uff08<\/strong>h<\/strong>\uff09\u4e3a<\/strong>Femi<\/strong>\u9762\uff0c\u5176\u4e2d\u5de6\u56fe\u90fd\u4e3a\u7acb\u65b9\u76f8\u6027\u8d28\uff0c\u53f3\u56fe\u90fd\u4e3a\u56db\u65b9\u76f8\u6027\u8d28\u3002<\/strong><\/p>\n \u56fe<\/strong>2. (a)300<\/strong>\u5230<\/strong>5 K<\/strong>\u7684<\/strong> SnP <\/strong>\u7c89\u672b<\/strong> x-ray <\/strong>\u6563\u5c04<\/strong> \u56fe\u50cf<\/strong>(<\/strong>\u6837\u54c1<\/strong> B;<\/strong>\u5177\u4f53\u5b9e\u9a8c\u7ec6\u8282\u53c2\u7167<\/strong> Supplemental Material) \uff1b<\/strong><\/p>\n \u00a0(b) <\/strong>\u6837\u54c1<\/strong>B<\/strong>\u4e2d\uff0c\u7acb\u65b9\u4f53\u76f8\uff08\u7ea2\u8272\u5708\u5185\uff09\u8868\u793a\u4e0d\u540c\u8d28\u91cf\u5206\u6570\u7684\u6e29\u5ea6\u53d8\u5316\u548c\u56db\u89d2\u5f62\u76f8<\/strong>(<\/strong>\u84dd\u8272\u5708\u5185<\/strong>)<\/strong>\u8868\u793a\u6709\u6781\u6027\u7684\u76f8<\/strong>\u00a0\uff1b<\/b><\/p>\n (c)\u00a0 <\/strong>\u6837\u54c1<\/strong>A<\/strong>\u5728<\/strong> 1 T<\/strong>\u5f3a\u5ea6\u78c1\u573a\u4e0b\u7684\u94c1\u78c1\u6027\u968f\u6e29\u5ea6\u6539\u53d8\u7684\u53d8\u5316<\/strong>\uff1b<\/strong><\/p>\n (d)\u00a0 <\/strong>\u6837\u54c1<\/strong>A<\/strong>\u7684\u7535\u963b\u7387\u968f\u6e29\u5ea6\u53d8\u5316\u800c\u53d1\u751f\u7684\u53d8\u5316\uff08\u9ed1\u8272\u7bad\u5934\u8868\u793a\u6e29\u5ea6\u626b\u63cf\u7684\u65b9\u5411\uff09\u3002<\/strong><\/p>\n \u56fe3. (a) 300K\u9759\u6c34\u529b\u6761\u4ef6\u4e0b\uff0c\u8bd5\u6837A\u7684\u7535\u963b\u7387\u968f\u6e29\u5ea6\u53d8\u5316\u66f2\u7ebf\uff1b<\/strong><\/p>\n \uff08\u4e3a\u4e86\u66f4\u6e05\u6670\u7684\u8868\u793a\uff0c\u56fe\u4e2d\u6570\u636e\u4ee5\u5782\u76f4\u8ddd\u79bb-0.2\u95f4\u9694\u6765\u8868\u793a\u4e00\u4e2a\u5927\u6c14\u538b\u7684\u53d8\u5316\uff09<\/strong><\/p>\n \u00a0(b) <\/strong>\u9759\u6c34\u529b\u4e0b\uff0c\u6837\u54c1A\u7535\u963b\u7387\u968f\u6e29\u5ea6\u53d8\u5316\u66f2\u7ebf\u7684\u4f4e\u6e29\u533a\u57df\u56fe\uff1b<\/strong><\/p>\n \uff08c\uff09\u9759\u6c34\u538b\u4e0b\uff0cfield \u6837\u54c1 B\u57281 mT \u4e0b\u4e00\u5b9a\u533a\u57df\u8303\u56f4\u5185\u51b7\u52a0\u5de5\u94c1\u78c1\u6027\u968f\u6e29\u5ea6\u53d8\u5316\u66f2\u7ebf\u3002<\/strong><\/p>\n \u56fe4. (a) 1.8 K\u4e0b\uff0c\u968f\u7740\u94c1\u78c1\u6027\u589e\u5927\u538b\u529b\u7684\u53d8\u5316\u8d8b\u52bf (Meissner \u6807\u5fd7) \uff1b<\/strong><\/p>\n (b)<\/strong>\u4e00\u5b9a\u538b\u529b\u548c\u6e29\u5ea6\u4e0bSnP\u5e73\u9762\u5185\u7535\u5b50\u548c\u6676\u683c\u76f8\u7684\u76f4\u5f84\u3002\u7ea2\u8272\u548c\u84dd\u8272\u7684\u5708\u5206\u522b\u8868\u793a\u89c2\u5bdf\u6240\u5f97\u70ed\u5904\u7406\u548c\u51b7\u5904\u7406\u8fc7\u7a0b\u4e2d\u7acb\u65b9\u76f8\uff08\u975e\u6781\u6027\uff09\u5411\u56db\u89d2\u76f8\uff08\u6781\u6027\uff09\u7684\u8f6c\u5316\u6e29\u5ea6Ts<\/sub>\u3002 \u53ea\u6709\u5728\u7a33\u538b\u4e0b\u7684Ts<\/sub>\u662f\u7531\u94c1\u78c1\u6027\u8861\u91cf\u7684\u3002<\/strong><\/p>\n \u5f00\u653e\u7684\u5706\u5708\u4ee3\u8868\u5355\u7ea4\u7ef4\uff08\u975e\u5757\u72b6\uff09\u7ec4\u5206\u7684\u8d85\u5bfc\u8f6c\u5316\u6e29\u5ea6\u3002\u672c\u8eab\u662f\u5757\u72b6\u7684\u8d85\u5bfc\u4f53\uff0c\u6bd4\u5982Tc \uff08\u7528\u77e9\u5f62\u5708\u8868\u793a\uff09\uff0c\u6240\u5f97\u7535\u963b\u7387\u6570\u636e\u4e0eMeissner \u6807\u5fd7\u6027\u7684\u8d85\u5bfc\u6027\u5206\u6570\u6574\u7406\u6570\u636e\u76f8\u533a\u5206\u3002<\/strong><\/p>\n Tc<\/strong>\u7531\u7535\u963b\u7387\u503c\u5f00\u59cb\u7edf\u8ba1\uff08\u4e3a\u4e86\u4f7f\u56fe\u50cf\u66f4\u6e05\u695a\uff0c\u6211\u4eec\u5c06\u6570\u636e\u653e\u592720\u500d\uff09\u3002<\/strong><\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u4f5c\u8005\u8ba8\u8bba\u4e86SnP\u5728\u975e\u5e73\u8861\u72b6\u6001\u4e0b\u7531\u7acb\u65b9\u4f53\u76f8\u5411\u94c1\u7535\u56db\u89d2\u7ed3\u6784\u8f6c\u5316\u7684\u5355\u76f8\u5171\u683c\u7ed3\u6784\u3002\u540c\u65f6\u4e5f\u8ba8\u8bba\u4e86\u5728\u7ed3\u6784\u8f6c\u53d8\u4e2d\u65bd\u52a0\u538b\u529b\u5176\u8d85\u5bfc\u6027\u7684\u4ea7\u751f\u673a\u7406\u3002\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u89e3\u91ca\uff0c\u7531\u4e8eSn \u5411P\u8f6c\u6362\u662f\u7535\u6d41\u662f\u589e\u52a0\u7684\uff0c\u6240\u4ee5\u6781\u6027\u56db\u89d2\u76f8\u662f\u7a33\u5b9a\u6001\u3002\u56db\u89d2\u6781\u6027\u76f8\u5728\u7a33\u538b\u4e0b\u662f\u7a33\u5b9a\u6001\u3002\u4f46\u662f\uff0c\u901a\u8fc7\u4ece0.5 GPa\u9010\u6e10\u52a0\u538b\uff0c\u7acb\u65b9\u76f8\u7acb\u5373\u8868\u73b0\u7a33\u5b9a\u5e76\u5728\u76f8\u751f\u957f\u7684\u94c1\u7535\u6027\u5e73\u9762\u4e0a\u5728\u91cd\u8981\u6676\u754c\u4e0a\u51fa\u73b0\u5757\u72b6\u8d85\u5bfc\u6027\u3002Matthias \u63a8\u6d4b\uff0c\u94c1\u7535\u6027\u548c\u8d85\u5bfc\u6027\u76f8\u4e92\u4f9d\u5b58\uff0c\u76f8\u4e92\u7ade\u4e89\u751f\u957f\uff0c\u800c\u4e14\u540e\u8005\u652f\u6301\u7406\u8bba\u8ba1\u7b97\u3002\u8fd9\u7bc7\u6587\u7ae0\u6240\u5f97\u7ed3\u8bba\u5f88\u597d\u5730\u543b\u5408\u4e86\u8fd9\u4e00\u731c\u60f3\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Superconductivity at the Polar-Nonpolar Phase Boundary of SnP with an Unusual Valence State<\/a>\uff08Physical Review Letters. 2017, DOI:10.1103\/PhysRevLett.119.207001\uff09<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u4ed8\u94b0\u7f16\u8f91\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002\u00a0<\/p>\n<\/p>\n
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