????杩??ワ???绯?搴??ㄨ〃?㈢?╃???藉????瑰?楠?瀹ゆ??涓???????璇鹃?缁?涓???涓????澶у??板????????????浣?锛??╃?ㄦ??浣?娓╃???杩???娈甸?娆＄郴缁???绌朵?澶??ㄩ??瀛?涓寸???逛?????灞?????娑蹭?????????Pr₂Ir₂O₇涓????靛???纾?婵????ц川锛????颁?宸ㄥぇ?????????х???????稿?崇??绌朵?璁烘??浠モ??Giant isotropic magneto-thermal conductivity of metallic spin liquid candidate Pr₂Ir₂O₇ with quantum criticality??涓洪?锛?浜?2021骞???12?ュ?ㄧ嚎??琛ㄥ?ㄣ?????堵烽??璁???(Nature Communications)涓?????涓??????????板??????????涓哄?卞????璁????锛???绯诲??澹?????匠??涓虹?涓?浣?????

????Pr₂Ir₂O₇???涓???ㄩ??瀛?涓寸???逛???????娑蹭?????????锛?Pr??4f纾??╂?????х豢?崇?????涓?????????娑蹭?????涓????????Ir??5d?靛????瀵肩?靛?锛?骞朵??ㄦ病??纾????????典???互浜х????甯搁??灏???搴????绘????纾??х?????宸℃父??浼?瀵肩?靛???缁???浣?r2Ir2O7???烘??琚??绉??镐?浣??ㄦ???у?讹?寮?璧蜂?浜轰滑骞挎?????绌跺?磋叮??浣?浠??舵??涓や釜??瑕????????寰?瑙ｅ?筹?澶??ㄩ??瀛?涓寸???逛????靛????︿??舵????????绮?瀛?锛?浠ュ???х豢?崇??????胯浇??濂?寮?纾?婵??????﹀????

??????涓???璇鹃?缁???杩???浣?娓╃?????瀹?楠?绯荤???绌朵?杩?涓や釜???锛?????span>Pr₂Ir₂O₇婊¤冻Wiedemann-Franz瀹?寰?锛????や???????绮?瀛?琚??村???????芥?э?涓哄?堕??瀛?涓寸???圭????璁烘??杩版?藉??浜?寰?寮虹??绾︽????Pr₂Ir₂O₇???????????纾??虹??澧????ㄧ?瑰?娓╁害浠ヤ?杩???澧???锛????板法澶х??纾??????搴?锛?璇存???????涓??瀛??ㄧ?????瀛?绛?濂?寮?纾?婵?????姝ｇ??璐＄???骞朵?澹板?琚???х郴缁??х???ｅ???涓???浜?????寮??х??姣??????锛?褰??瑰??纾??烘?瑰???讹??????骞朵???涔??瑰??锛????板???????э?杩?涓?姝ヨ???浜?浣?绯讳腑涓?瀛??ㄧ?婵??????????璐＄?????翠负??瑕?????????????х??纾????璇存??Pr₂Ir₂O₇涓????哄???浼?杈??舵???╂定?界??妯???娑ㄨ?斤???绀哄?????╁??寸????瀛?娑ㄨ?藉???藉?ㄨ?浣?绯讳腑璧烽??瑕?浣??ㄣ??杩?浜?缁???涓虹‘瀹?璇ユ?板?????????姝ｅ?烘????渚?浜?甯??┿??

?撅?a锛?纾??哄钩琛?浜?[111]?瑰????span>Pr₂Ir₂O₇??0 T??5 T?剁???????缁???锛?瀹?绾挎???5 T?版????????锛???绾挎??iedemann-Franz瀹?寰?婊¤冻?剁?靛?椤归???锛?锛?b锛?纾??哄钩琛?浜?[111]?瑰???????翠?[111]?瑰???????缁?????姣?杈???

????璇ラ」?????颁??藉????剁?瀛﹀?洪??濮???绉????ㄣ????涓?娴峰?绉?濮???璧??┿??