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闈炲父钁楀悕鐨勪緥瀛愭湁锛?/span>

(1) Cu鍩鸿秴瀵煎拰Fe鍩鸿秴瀵?/span>

閾佸熀楂樻俯瓒呭瀹為獙鐩稿浘(J. Zhao et al., Nature Materials (2008))銆傞殢鐫€鎺烘潅閲?/span>x鐨勫彉鍖栵紝鍙嶉搧纾佹€佷笌楂樻俯瓒呭鎬佸瘑鍒囩浉閭伙紝杈瑰浠庢湭瀹夊畞銆?/span>x=0.06澶勫嚭鐜颁竴涓吀鍨嬬殑涓寸晫鐐癸紝鐣欎笅澶氬皯瀛︿汉楠氳€呯殑瓒宠抗銆傚湪姝ゅ锛岀郴缁熷熀鎬佸澶栭儴鍐呯娑ㄨ惤鐨勫搷搴旀槸闈炲父“鎹峰畨鐗?rdquo;鐨勩€?/span>

(2) 閿版哀鍖栫墿

搴炵鐢甸樆閿版哀鍖栫墿鐨勬幒鏉傜浉鍥?/span>(S. Murakami et al, PRL 90, 197201 (2003))銆?/span>A浣嶇瀛愬崐寰勪綔涓烘棤搴忓害鍙傞噺瀵艰嚧鐨勪复鐣岀幇璞°€傚湪杩欎笁鍥介紟绔嬩箣鍦帮紝闈炲父鏈夎叮鐨勯噺瀛愬弻涓寸晫鐐?/span>(bicritical point)鐜拌薄缁欎簡浣犳垜鎯冲叆闈為潪鐨勭┖闂淬€傝€岃繖涓€琛屼负鏄悊瑙ｅ簽纾佺數闃诲拰搴炵數鐢甸樆鐨勬渶鍩烘湰鐗╃悊鍏冪礌銆?/span>

瀵圭被浼肩殑寰堝浣撶郴锛屾垜浠彲浠ュ緢瀹规槗鍦拌繘琛岃仈鎯充笌鍏宠仈锛屼粠鑰屾帹骞胯繖涓€“姒傚康”锛屽幓鑾峰彇寰堝ぇ寰堟柊棰栫殑鐗╃悊鏁堝簲銆傛垜鐨勫鐢?font color="#0000ff">甯?/strong>鍜?font color="#0000ff">浜?/strong>涔熻繘琛岀被浼肩殑鎺ㄥ箍銆備粬浠殑鍩烘湰鍑哄彂鐐规槸濡備笅杩欏箙鏈夊悕鐨勫疄楠岀浉鍥撅細

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宸︿晶涓烘垜浠殑瀹為獙缁撴灉锛屾樉绀洪搧鐢垫瀬鍖?/span>P_r鍦ㄤ复鐣屽尯鍩熼檮杩戠殑纭瘮涓や釜鍩哄厓鏈韩鐨勬瀬鍖栧ぇ寰堝锛岃繖鏄潪涓寸晫琛屼负鎵€涓嶈兘鐞嗚В鐨勩€傚彸鍥句负鐞嗚璁＄畻缁撴灉锛屾樉绀哄嚭鍦ㄤ复鐣屽尯鍩熼檮杩戜袱绫婚搧鐢佃鍒掔殑宸ㄥぇ鍙樺寲銆備复鐣岀偣(x~0.2-0.5)澶勭殑閾佺數“鎹峰畨鐗?rdquo;琛屼负涓€鐩簡鐒躲€傛垜浠瀹氭垜浠殑鐗╃悊鍥捐薄鏈夊悎鐞嗘€э紝鍥犳寮€濮嬭嚜楦ｅ緱鎰忋€?/span>

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