Ê×Ò³ > ÐÂÎÅÖÐÐÄ > ¿ÆÑнøÕ¹ |
|
|||
ÀûÀ´w66ÔÚÓ¦Á¦µ÷¿ØÈáÐÔ´ÅÖÂÉìËõ±¡Ä¤´Å¸÷ÏòÒìÐÔ·½ÃæÈ¡µÃ½øÕ¹ | ||||
×÷Õߣº£¬ÈÕÆÚ£º2012-04-05 | ||||
´ÅÖÂÉìËõ²ÄÁÏFe81Ga19ºÏ½ð¾ßÓб¥ºÍ³¡µÍ£¨~100 Oe£©£¬ÑÓÕ¹ÐԺã¬ÉìËõÁ¿ÊÊÖУ¨~350 ppm£©µÈÓŵ㣬ÔÚ´«¸ÐÆ÷£¬Çý¶¯Æ÷ÁìÓò¾ßÓй㷺µÄÓ¦ÓÃÇ°¾°¡£ÔÚ΢»úµçϵͳÒÔ¼°¶à¹¦Äܸ´ºÏ²ÄÁÏÖУ¬»ñµÃÓ¦Á¦Ãô¸ÐµÄ´ÅÖÂÉìËõ±¡Ä¤ÖÁ¹ØÖØÒª¡£ÔÚÒÔÍùµÄÏà¹ØÑо¿ÖУ¬Éú³¤ÔÚ¸ÕÐԳĵ×ÉÏ´ÅÖÂÉìËõ±¡Ä¤£¬ÓÉÓڳĵ׵ÄÊø¸¿£¬±¡Ä¤ÔÚÓ¦Á¦´«¸ÐÒÔ¼°´ÅµçñîºÏµÈ·½ÃæµÄÁéÃô¶È¼±¾ç½µµÍ¡£½üÄêÀ´£¬»ùÓÚÈáÐԳĵ׵ĴÅÐÔ±¡Ä¤ºÍ×ÔÐýµç×ÓѧÆ÷¼þÒýÆðÁËÈËÃǵĹ㷺ÐËȤ£¬ÈáÐԳĵ×ÑîÊÏÄ£Á¿Ð¡£¬Ò×Ðα䣬»ùÓÚÈáÐԳĵ׵ĴÅÖÂÉìËõ±¡Ä¤¶ÔÍâ¼ÓÓ¦Á¦»ò´Å³¡½«±äµÃ¸ü¼ÓÃô¸Ð¡£ Ä¿Ç°£¬ÖпÆÔº´ÅÐÔ²ÄÁÏÓëÆ÷¼þÖصãʵÑéÊÒÀîÈóΰÑо¿ÍŶӣ¬ÔÚÈáÐԳĵ×PET£¨¾Û¶Ô±½¶þ¼×ËáÒÒ¶þ´¼õ¥£©ÉÏÖƱ¸³öÐÔÄÜÓÅÒìµÄFe81Ga19¶à¾§±¡Ä¤£¬´ÅÐÔ²âÊÔ½á¹û±íÃ÷£¬¸ÃÌåϵÖдæÔڷdz£Ã÷ÏԵĴŵ¥Öá¸÷ÏòÒìÐÔ£¨1.81¡Á105 erg/cm3£©£¬½øÒ»²½£¬ÎÒÃÇͨ¹ýÍäÇúÓ¦±ä£¬·Ö±ðÔÚÒ×ÖáºÍÄÑÖáÊ©¼Ó²»Í¬³Ì¶ÈµÄÓ¦Á¦£¬¶ÔFe81Ga19±¡Ä¤µÄ´Å¸÷ÏòÒìÐÔ½øÐÐÁ˵÷¿Ø¡£Ñо¿½á¹û±íÃ÷£¬ÔÚÓ¦Á¦×÷ÓÃÏ£¬Fe81Ga19±¡Ä¤µÄÒ×Öá¿ÉÒÔµ÷¿Ø³ÉÄÑÖᣬ·´Ö®ÒàÈ»¡£¿¼ÂǶྦྷ±¡Ä¤ÖеÄÒ×´Å»¯ÖáµÄ½Ç·Ö²¼²¢¶ÔStoner-WohlfarthÄ£ÐͽøÐиĽø£¬ÎÒÃÇ´ÓÀíÂÛÉ϶ÔÓ¦Á¦¿Éµ÷µÄµ¥Öá´Å¸÷ÏòÒìÐÔʵÑé½á¹û½øÐÐÁ˶¨ÐԵĽâÊÍ¡£ ¸ÃÑо¿½á¹û¶ÔÓÚÈáÐԴŵç×ÓѧÆ÷¼þµÄÑз¢¾ßÓÐÖØÒªµÄÖ¸µ¼ÒâÒ壬ÂÛÎÄ·¢±íÔÚAppl. Phys. Lett. 100, 122407 (2012)£¨ÏêϸÄÚÈݲμû£ºhttp://dx.doi.org/10.1063/1.3696887£©£¬¸ÃÑо¿¹¤×÷»ñµÃ973×Ó¿ÎÌâ¡¢¹ú¼Ò×ÔÈ»¿Æѧ»ù½ð£¨11174302£©¡¢¹ú¼ÒÖصã»ù´¡Ñо¿ÏîÄ¿£¨2012CB933004£©Äþ²¨¿Æ¼¼´´ÐÂÍŶӣ¨2011B82004,2009B21005£©µÈÏîÄ¿Ö§³Ö¡£
ͼ£¨a£©. ´Å³¡ÑØÒ×Öá»òÄÑÖá·½ÏòÇÒƽÐÐĤÃ棬ͨ¹ýÊ©¼ÓºáÏòÍäÇúÓ¦±ä£¬¾ØÐαÈËæÓ¦±ä³Ì¶È±ä»¯µÄ¹Øϵͼ¡£ ͼ £¨b£©. ÓɸĽøµÄStoner-WohlfarthÄ£ÐͼÆËã³öµÄ¾ØÐαÈËæKe/MsµÄ±ä»¯¹ØϵÇúÏß¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £¨´Å²ÄÊÂÒµ²¿£© ![]() |
||||