{"id":233952,"date":"2022-03-12T06:30:28","date_gmt":"2022-03-11T22:30:28","guid":{"rendered":"\/\/m.iemloyee.com\/?p=233952"},"modified":"2022-03-11T17:56:01","modified_gmt":"2022-03-11T09:56:01","slug":"crystengcomm%e2%94%82ceggag%e9%97%aa%e7%83%81%e6%99%b6%e4%bd%93%e7%9a%84%e7%a7%bb%e8%a1%8c%e5%8a%a9%e5%89%82%e6%b3%95%e7%a8%b3%e5%ae%9a%e7%94%9f%e9%95%bf%e5%92%8c%e8%a1%b0%e5%87%8f%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=233952","title":{"rendered":"CrystEngComm\u2502Ce:GGAG\u95ea\u70c1\u6676\u4f53\u7684\u79fb\u884c\u52a9\u5242\u6cd5\u7a33\u5b9a\u751f\u957f\u548c\u8870\u51cf\u6027\u80fd\u4f18\u5316"},"content":{"rendered":"

\u4e00\u3001\u3010\u00a0\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u95ea\u70c1\u4f53\uff08scintillator\uff09<\/span><\/strong>\u6750\u6599\u662f\u4e00\u79cd\u6709\u6548\u5438\u6536\u9ad8\u80fd\u5c04\u7ebf\uff08\u5982X\u5c04\u7ebf\u3001\u03b3\u5c04\u7ebf\u7b49<\/span>\uff09\u3001\u9ad8\u80fd\u7c92\u5b50\uff08\u5982a\uff0c\u03b2\u7c92\u5b50\u7b49<\/span>\uff09\u5e76\u53d1\u5c04\u7d2b\u5916\u6216\u53ef\u89c1\u5149\u7684\u529f\u80fd\u6750\u6599\u3002\u5c06\u95ea\u70c1\u4f53\u4e0e\u5149\u7535\u500d\u589e\u7ba1\u8026\u5408\u7ec4\u6210\u7684\u95ea\u70c1\u63a2\u6d4b\u5668\u88ab\u4f5c\u4e3a\u6838\u5fc3\u5668\u4ef6\u5e94\u7528\u4e8e\u9ad8\u80fd\u5c04\u7ebf\u63a2\u6d4b\u6210\u50cf\u88c5\u7f6e\u4e2d\uff0c\u5728\u6838\u533b\u5b66\u6210\u50cf\uff0c\u9ad8\u80fd\u7269\u7406\uff0c\u5de5\u4e1a\u65e0\u635f\u68c0\u6d4b\uff0c\u6cb9\u4e95\u52d8\u63a2\uff0c\u5b89\u68c0\u9632\u6050\u7b49\u751f\u4ea7\u751f\u6d3b\u9886\u57df\u53d1\u6325\u7740\u65e5\u76ca\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n

\"\"<\/p>\n

\u56fe1\u00a0<\/strong>\u00a0\u95ea\u70c1\u4f53\u7684\u80fd\u91cf\u8f6c\u6362\u793a\u610f\u56fe\u00a0\u00a0<\/span><\/p>\n

(Ce, Gd)3<\/sub>(Ga, Al)5<\/sub>O12<\/sub>\uff08\u7b80\u4f5c Ce:GGAG\uff09<\/span><\/strong>\u662f\u76ee\u524d\u53d1\u73b0\u7684\u7406\u8bba\u5149\u4ea7\u989d\uff0873,\u00a0500 pho\/MeV\uff09\u6700\u9ad8\u7684\u6c27\u5316\u7269\u95ea\u70c1\u6676\u4f53\uff0c\u88ab\u8ba4\u4e3a\u662f\u6700\u6709\u524d\u9014\u65b0\u4e00\u4ee3X-CT\u63a2\u6d4b\u7528\u5019\u9009\u6750\u6599\u4e4b\u4e00\uff0c\u4e14\u968f\u7740Ga\/Al\u6bd4\u7684\u53d8\u5316\uff0c\u80fd\u5e26\u5bbd\u5ea6\u53d1\u751f\u76f8\u5e94\u7684\u53d8\u5316\uff0c\u4e3a\u7ec4\u4efd\u548c\u6027\u80fd\u8c03\u63a7\u63d0\u4f9b\u4e86\u8f83\u5927\u7684\u7814\u7a76\u7a7a\u95f4\uff1b\u7136\u800c\uff0cCe:GGAG\u7684\u7194\u70b9\u7ea6\u4e3a 1800 \u2103\uff0c\u7ec4\u5206\u4e2d Ga2<\/sub>O3<\/sub>\u00a0\u7684\u7194\u70b9\uff081700o<\/sup>C\uff09\u4f4e\u4e8e\u6790\u6676\u6e29\u5ea6, \u5728\u9ad8\u6e29\u65f6\u6613\u53d1\u751f\u5206\u89e3\uff08Ga2<\/sub>O3<\/sub>\u00a0=\u00a0Ga2<\/sub>O +\u00a0O2<\/sub>\uff09\uff1b\u4e14\u968f\u7740Ga\/Al\u6bd4\u7684\u964d\u4f4e\uff0cGd3<\/sub>(Al, Ga)5<\/sub>O12<\/sub>\u7194\u4f53\u975e\u4e00\u81f4\u7194\u878d\u503e\u5411\u589e\u52a0\uff0c\u81f3Gd3<\/sub>Al5<\/sub>O12<\/sub>\u65f6\u5b8c\u5168\u975e\u4e00\u81f4\u7194\u878d\uff0c\u4ece\u800c\u5bfc\u81f4\u6676\u4f53\u751f\u957f\u56f0\u96be\u3002<\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/b><\/strong><\/p>\n

\u4e2d\u56fd\u79d1\u5b66\u9662\u4e0a\u6d77\u7845\u9178\u76d0\u7814\u7a76\u6240\u77f3\u4e91\u526f\u7814\u7a76\u5458\u548c\u534e\u4e2d\u5e08\u8303\u5927\u5b66\u9ec4\u65b0\u5802\u6559\u6388<\/b><\/strong>\u8fd1\u671f\u5728\u6676\u4f53\u5b66\u4e00\u533a\u671f\u520aCrystEngComm<\/em>\u62a5\u9053\u4e86\u91c7\u7528\u79fb\u884c\u52a9\u5242\u6d6e\u533a\u6cd5\uff08traveling solvent floating zone method\uff0c\u7b80\u4f5cTSFZ<\/strong><\/span>\uff09\u751f\u957f\u4f4eGa\u542b\u91cf\uff08Ga\/Al\u6bd4=2\/3\uff09\u7684Ce:GGAG\u95ea\u70c1\u6676\u4f53\u7684\u7814\u7a76\u5de5\u4f5c,\u00a0\u901a\u8fc7\u5728\u6676\u4f53\u751f\u957f\u8fc7\u7a0b\u4e2d\u5f15\u5165\u6c27\u6c14\u6c1b\uff0c\u538b\u529b\u548c\u4f4e\u7194\u70b9\u52a9\u7194\u5242\u7684\u65b9\u6cd5\uff0c\u6709\u6548\u514b\u670d\u4e86Ce:GGAG\u975e\u4e00\u81f4\u7194\u878d\u503e\u5411\u548cGa2<\/sub>O3<\/sub>\u7684\u5206\u89e3\u6325\u53d1\u95ee\u9898\uff0c\u5b9e\u73b0\u4e86\u7194\u533a\u7684\u7a33\u5b9a\u751f\u957f\uff0c\u6676\u4f53\u7684\u95ea\u70c1\u8870\u51cf\u6027\u80fd\u8fdb\u4e00\u6b65\u4f18\u5316\u3002<\/p>\n

\u4e09\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/b><\/strong><\/p>\n

\u79fb\u884c\u52a9\u5242\u6cd5\u662f\u6307\u5728\u6d6e\u533a\u6cd5\u751f\u957f\u6676\u4f53\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5f15\u5165\u4e00\u4e2a\u4f4e\u7194\u70b9\u7684\u7ec4\u4efd\u505a\u52a9\u7194\u5242\uff1b\u5982\u56fe2<\/strong>\u6240\u793a\uff0c\u7194\u5242\u5757\u5728\u6676\u4f53\u7194\u878d\u751f\u957f\u8fc7\u7a0b\u4e2d\u6210\u7194\u533a\uff0c\u5e76\u968f\u751f\u957f\u6676\u4f53\u7684\u7194\u533a\u79fb\u52a8\uff1b\u5728\u751f\u957f\u8fc7\u7a0b\u4e2d\uff0c\u76f8\u5f53\u6bd4\u4f8b\u7684\u6676\u4f53\u4ece\u7194\u5242\u4e2d\u6c89\u79ef\u51fa\u6765\u5e76\u4fdd\u6301\u8fd9\u4e00\u91cf\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2\u00a0<\/strong>\u79fb\u884c\u52a9\u5242\u6cd5\u6676\u4f53\u751f\u957f\u7684\u793a\u610f\u56fe\u00a0\u00a9 RSC<\/span><\/p>\n

\u672c\u6587\u9996\u6b21\u5c06\u79fb\u884c\u52a9\u5242\u6cd5\u5f15\u5165\u5230Ce:GGAG\u7684\u6676\u4f53\u751f\u957f\uff0c\u4ee5\u89e3\u51b3\u6d6e\u533a\u751f\u957f\u8fc7\u7a0b\u7684\u7194\u533a\u4e0d\u7a33\u548c\u4f4eGa\u542b\u91cf\u4e0b\u7684\u975e\u4e00\u81f4\u7194\u878d\u503e\u5411\u95ee\u9898\uff1b\u5206\u522b\u7814\u7a76\u4e86Gd2<\/sub>O3<\/sub>:Al2<\/sub>O3<\/sub>\u00a0= 25 : 75, 27 : 73, 29 : 71\u4f5c\u4e3a\u52a9\u7194\u5242\u7ec4\u4efd\u7684\u6676\u4f53\u751f\u957f\u60c5\u51b5\u3002\u5982\u56fe3<\/strong>\u6240\u793a\uff0c\u91c7\u7528\u79fb\u884c\u52a9\u5242\u6cd5\u540e\uff0c\u6676\u4f53\u751f\u957f\u7194\u533a\u4e0a\u4e0b\u5bf9\u6d41\u5bf9\u79f0\uff0c\u53ef\u6301\u7eed\u7a33\u5b9a\u751f\u957f\u3002\u6700\u7ec8\u83b7\u5f97\u7684\u76f4\u5f84\u5747\u4e00\u7684\u957f\u68d2\u72b6Ce:GGAG\u6676\u4f53\uff0c\u5982\u56fe4<\/strong>\u6240\u793a\u3002<\/p>\n

\"\"<\/p>\n

\u56fe3\u00a0<\/strong>\u00a0\u5149\u6d6e\u533a\u6cd5Ce:GGAG\u6676\u4f53\u751f\u957f\u4e2d\u7684\u7194\u533a\u4e0d\u7a33\u73b0\u8c61\u7167\u7247(a-c); \u79fb\u884c\u52a9\u5242\u6cd5\u7194\u533a\u7a33\u5b9a\u7167\u7247(d)\u00a0\u00a9 RSC<\/span><\/p>\n

\"\"<\/p>\n

\u56fe4\u00a0<\/strong>\u00a0\u4e0d\u540c\u52a9\u7194\u5242\u7ec4\u4efd\u751f\u957f\u51fa\u7684Ce:GGAG\u6676\u4f53\u7167\u7247\u00a0\u00a9 RSC<\/span><\/p>\n

\u5982\u56fe5<\/strong>\u6240\u793a\uff0c\u91c7\u7528gamma\u5c04\u7ebf\u6e90(137<\/sup>Cs\uff0c662 keV)\u6fc0\u53d1\u4e0b\u7684\u8109\u51b2\u9ad8\u5ea6\u8c31\u8868\u5f81\u5176\u95ea\u70c1\u5149\u4ea7\u989d\uff0c\u5176\u4e2d\uff0c\u7ec4\u4efd\u4e3aGd2<\/sub>O3<\/sub>:Al2<\/sub>O3<\/sub>\u00a0= 25 : 75\u7684\u52a9\u7194\u5242\u76f8\u8f83\u4e8e\u5176\u4ed6\u52a9\u7194\u5242\u7ec4\u4efd\uff0c\u66f4\u4e3a\u6709\u6548\u7684\u63a7\u5236\u4e86\u7194\u4f53\u4f53\u79ef\uff0c\u63d0\u9ad8\u4e86\u6676\u4f53\u751f\u957f\u8fc7\u7a0b\u4e2d\u7684\u7194\u533a\u7a33\u5b9a\u6027\uff0c\u660e\u663e\u7f13\u89e3\u4e86\u88c2\u7eb9\u7684\u840c\u751f\u548c\u6269\u5c55\uff0c\u751f\u957f\u51fa\u7684Ce:GGAG\u6676\u4f53\u8868\u73b0\u51fa\u6700\u5f3a\u7684\u8f90\u5c04\u53d1\u5149\u5f3a\u5ea6\u548c\u6700\u9ad8\u7684\u5149\u4ea7\u989d(34, 132 pho\/MeV)\u3002\u6b64\u5916\uff0cGd2<\/sub>O3<\/sub>:Al2<\/sub>O3<\/sub>\u00a0= 29 : 71\u7684\u52a9\u7194\u5242\u751f\u957f\u7684Ce:GGAG\u6676\u4f53\u5177\u6709\u66f4\u5feb\u7684\u8870\u51cf\u65f6\u95f4(64 ns)\u548c\u66f4\u9ad8\u7684\u5feb\u7ec4\u5206\u6bd4(85%)\u3002<\/p>\n

\"\"<\/p>\n

\u56fe5:<\/strong> \u4e0d\u540c\u52a9\u7194\u5242\u7ec4\u4efd\u751f\u957f\u51fa\u7684Ce:GGAG\u6676\u4f53\u7684\u8109\u51b2\u9ad8\u5ea6\u8c31\u4e0e\u6807\u51c6\u6837\u54c1(\u5149\u4ea7\u989d58,\u00a0000 pho\/MeV)\u5bf9\u6bd4\u793a\u610f\u56fe\uff0cgamma\u6e90(137<\/sup>Cs\uff0c662 keV)\uff0c\u6d4b\u8bd5\u95e8\u5bbd0.75ms \u00a0\u00a9 RSC<\/span><\/p>\n

\u56db\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/b><\/strong><\/p>\n

\u672c\u6587\u5de5\u4f5c\u8868\u660e\uff0c\u79fb\u884c\u52a9\u5242\u6cd5\u662f\u4e00\u79cd\u53ef\u4ee5\u7a33\u5b9a\u751f\u957fCe:GGAG\u6676\u4f53\u7684\u65b9\u6cd5\u3002\u5728\u672a\u6765\u7684\u5de5\u4f5c\u4e2d\uff0c\u901a\u8fc7\u7cfb\u7edf\u7b5b\u9009\u52a9\u7194\u5242\u6210\u5206\uff0c\u6709\u671b\u8fdb\u4e00\u6b65\u7a33\u5b9a\u7194\u533a\uff0c\u5b9e\u73b0\u65e0\u88c2\u7eb9\u3001\u9ad8\u5149\u5b66\u8d28\u91cf\u548c\u95ea\u70c1\u6027\u80fd\u4f18\u5316\u3002\u672c\u5de5\u4f5c\u5c06\u4e3a\u95ea\u70c1\u6676\u4f53\u7684\u9ad8\u5149\u6548\u7ec4\u4efd\u8bbe\u8ba1\u3001\u6676\u4f53\u751f\u957f\u6280\u672f\u3001\u6027\u80fd\u4f18\u5316\u7b49\u65b9\u9762\u63d0\u4f9b\u91cd\u8981\u7684\u53c2\u8003\u4f9d\u636e\u3002<\/p>\n

\u672c\u7814\u7a76\u5de5\u4f5c\u5f97\u5230\u4e86\u4e2d\u56fd\u79d1\u5b66\u9662\u79d1\u7814\u4eea\u5668\u8bbe\u5907\u7814\u5236\u9879\u76ee\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u6218\u7565\u6027\u5148\u5bfc\u79d1\u6280\u4e13\u9879\u548c\u4e0a\u6d77\u5e02\u79d1\u5b66\u6280\u672f\u59d4\u5458\u4f1a\u57fa\u91d1\u9879\u76ee\u7b49\u7684\u8d44\u52a9\u3002<\/p>\n

\u3010\u4e3b\u8981\u4f5c\u8005\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\u6b66\u5f64\uff081997-\uff09\uff0c\u5973\uff0c\u7855\u58eb\u7814\u7a76\u751f\uff0c2019\u5e74\u8fdb\u5165\u534e\u4e2d\u5e08\u8303\u5927\u5b66\u7269\u7406\u79d1\u5b66\u4e0e\u6280\u672f\u5b66\u9662\u653b\u8bfb\u7855\u58eb\u5b66\u4f4d\u30022020\u5e74\u8fdb\u5165\u4e2d\u56fd\u79d1\u5b66\u9662\u4e0a\u6d77\u7845\u9178\u76d0\u7814\u7a76\u6240\u8054\u5408\u57f9\u517b\uff0c\u4e3b\u8981\u4ece\u4e8b\u5149\u5b66\u6d6e\u533a\u6cd5\u751f\u957f\u95ea\u70c1\u6676\u4f53\u53ca\u5176\u6027\u80fd\u7814\u7a76\u3002E-mail\uff1awutong1@mails.ccnu.edu.cn<\/p>\n

\"\"<\/p>\n

\u77f3\u4e91\uff081978-\uff09\uff0c\u5973\uff0c2006\u5e74\u6bd5\u4e1a\u4e8e\u4e2d\u56fd\u79d1\u5b66\u9662\u56fa\u4f53\u7269\u7406\u7814\u7a76\u6240\uff0c\u83b7\u5f97\u535a\u58eb\u5b66\u4f4d\uff1b\u73b0\u4efb\u4e2d\u56fd\u79d1\u5b66\u9662\u4e0a\u6d77\u7845\u9178\u76d0\u7814\u7a76\u6240\u9ad8\u6027\u80fd\u9676\u74f7\u548c\u8d85\u5fae\u7ed3\u6784\u56fd\u5bb6\u91cd\u70b9\u5b9e\u9a8c\u5ba4\u526f\u7814\u7a76\u5458\uff0c\u7855\u58eb\u751f\u5bfc\u5e08\uff1b\u4e3b\u8981\u7814\u7a76\u65b9\u5411\u4e3a\uff1a\u65b0\u578b\u5149\u7535\u529f\u80fd\u6750\u6599\u7684\u5173\u952e\u5236\u5907\u6280\u672f\u53ca\u7ed3\u6784\u7269\u6027\u8c03\u63a7\u3002\u5728\u9ad8\u80fd\u5c04\u7ebf\u63a2\u6d4b\u6210\u50cf\uff08X-CT\uff0cPET\u7b49\uff09\u7528\u95ea\u70c1\u6676\u4f53\u4e0e\u9676\u74f7\uff0cLED \/\u6fc0\u5149\u7167\u660e\u7528\u8367\u5149\u9676\u74f7\u4e0e\u73bb\u7483\u7b49\u9886\u57df\u5df2\u53d6\u5f97\u4e00\u7cfb\u5217\u8fdb\u5c55\u3002E-mail\uff1ashiyun@mail.sic.ac.cn<\/p>\n

\"\"<\/p>\n

\u9ec4\u65b0\u5802\uff081957-\uff09\uff0c\u7537\uff0c1999\u5e74\u6bd5\u4e1a\u4e8e\u534e\u4e2d\u79d1\u6280\u5927\u5b66\uff0c\u83b7\u535a\u58eb\u5b66\u4f4d\uff1b\u73b0\u4efb\u534e\u4e2d\u5e08\u8303\u5927\u5b66\u7269\u7406\u79d1\u5b66\u4e0e\u6280\u672f\u5b66\u9662\u6559\u6388\uff0c\u535a\u58eb\u751f\u5bfc\u5e08\uff1b\u4e3b\u8981\u7814\u7a76\u65b9\u5411\u4e3a\uff1a\u7eb3\u7c73\u6750\u6599\u7269\u7406\u53ca\u5176\u5e94\u7528\u6027\u8d28\u7684\u7814\u7a76\u3002E-mail\uff1axthuang@mail.ccnu.edu.cn<\/p>\n

\u3010\u6587\u7ae0\u4fe1\u606f\u3011<\/b><\/strong><\/p>\n

Tong, Wu, Ling Wang, Yun Shi*, Xintang Huang*, et.al., Stable growth of (Ce,Gd)3<\/sub>Ga2<\/sub>Al3<\/sub>O12<\/sub>\u00a0crystal scintillators by the traveling solvent floating zone method, CrystEngComm<\/em><\/strong>, 2022, DOI: 10.1039\/D1CE01617B<\/p>\n

\u672c\u6587\u7531\u4f5c\u8005\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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