¸ßθßѹ¼«¶ËÌõ¼þÖÆ±¸ÒªÁì×÷ΪһÖÖÌØÊâµÄÑо¿ÊֶΣ¬ÔÚÎïÀí¡¢»¯Ñ§¡¢µØÖÊѧ¼°ÖÊÁϺϳɵȷ½Ãæ¾ßÓÐÖ÷ÒªµÄְλ¡£¡£ÎïÖÊÔÚ¸ßθßѹÌõ¼þÏÂÆäÔ×Ó/·Ö×Ó¼ä¾àÀ뽫Ëõ¶Ì£¬Ï໥×÷ÓûáÏÔÖøÔöÇ¿£¬Ô×ÓÄÚ²ãµç×ӿɼÓÈë³É¼ü£¬ÔÓеĽṹ»á±»ÆÆË𣬴Ӷøµ¼Ö½ṹÏà±ä£¬¸Ä±äÎïÖʵĵç´ÅÏ໥×÷ÓÃ״̬£¬´øÀ´¸ü¶àÆæÒìµÄÎïÀíÐÔÄÜ¡£¡£Èç2015Ä꣬µÂ¹ú¿ÆÑ§¼ÒM. I. EremetsµÈÈË·¢Ã÷H2SÔÚ90 GPa£¬203Kʱ¾ßÓиß㬵¼ÌØÕ÷£»2019Ä꣬µÂ¹úÂíÆÕ»¯Ñ§ËùDrozdovÍŶӱ¨µÀÁËÔÚ170 GPaµÄÌõ¼þÏÂïçÇ⻯ºÏÎïÔÚ250 Kʱ±äΪ³¬µ¼Ì壻2020ÄêÃÀ¹ú¿ÆÑ§¼ÒRanga P. DiasµÈÈËÔÚ267 GPaÊӲ쵽һÖÖÇ⻯ÎïÖÊÁÏÔÚ288 K±¬·¢ÁËÊÒ㬵¼Õ÷Ïó£»2017ÄêIsaac SilveraµÈÔÚ495 GPaµÄÌõ¼þÏÂÊ×´ÎÊӲ쵽½ðÊôÇ⻯ºÏÎïµÈ¡£¡£¸ßθßѹºÏ³ÉÒªÁì»ñµÃÁËÓúÀ´Óú¶à¿ÆÑÐÊÂÇéÕßµÄÇ×íù¡£¡£Òì³£¸ÆîÑ¿óÖÊÁÏÊÇÒ»ÀàÐÂÐ͵Ĵš¢µç¶à¹¦Ð§ÖÊÁÏ£¬È»¶ø£¬ÓÉÓڸ߻û±ä½á¹¹£¨Ð¡ÈÝÈÌÒò×Ót£©µÄÏÞÖÆ£¬´ËÀ໯ºÏÎïһֱʮ·Öϡȱ¡£¡£½üÄêÀ´µÃÒæÓÚ¸ßθßѹÊÖÒÕµÄÓ¦Óã¬Ô½À´Ô½µÄÒì³£¸ÆîÑ¿óÖÊÁϲŵÃÒÔ½øÈëµ½ÈËÃǵÄÊÓÒ°¡£¡£
¹Å°åµÄ¸ßθßÑ¹ÖÆ±¸½ÓÄÉÊÔ´í·¨£¬ÐèÒª´ó×ÚµÄÖØ¸´ÊµÑ飬Àú³Ì·±Ëö£¬Ñз¢ÖÜÆÚ³¤£¬×ÊÔ´ÏûºÄ½Ï´ó¡£¡£ÔÚ¼«¶ËÖÆ±¸Ìõ¼þÏÂʵÏÖÌØ¶¨½á¹¹µÄÒì³£¸ÆîÑ¿óÖÊÁϵľ«×¼ºÏ³É£¬¹ØÓÚ¿ª·¢ÐÂÖÊÁÏ¡¢ÐÂÐÔÄÜÁìÓòÓÐÖ÷ÒªµÄÒâÒå¡£¡£Òì³£¸ÆîÑ¿óÖÊÁ϶àΪÑÇÎÈ̬£¬Éý½µÑ¹Àú³ÌÖÐÎïÖʻᱬ·¢¸»ºñµÄ½á¹¹×ª±ä£¬Òò¶ø×¼È·¿ØÖÆÊµÑéÌõ¼þ£¬ÖÊÁϾÓɺÏÊʵĸßθßѹºó´ã»ð½ØÁô£¬Ôٻص½³£Ñ¹×´Ì¬»á»ñµÃµÄÆÚÍûµÄÎïÏ࣬ÖÁ¹ØÖ÷Òª¡£¡£Òò´Ë£¬¾ßÓе¼ÏòÐÔµØÍ¨¹ý¸ßθßѹҪÁ쿪·¢ÐÂÖÊÁÏ¡¢»ñµÃÐÂÐÔÄܹØÓÚËõ¶ÌÖÊÁϵÄÑз¢ÖÜÆÚ£¬½µµÍʵÑ鱾Ǯ¾ßÓÐÖ÷ÒªµÄ¼ÛÖµ¡£¡£½üÄêÀ´£¬Ëæ×ÅÅÌËãÄÜÁ¦µÄ´ó·ù¶ÈÌáÉý£¬½ÓÄÉ´óÊý¾ÝÍÚ¾òºÍ¸ßͨÁ¿ÅÌËãµÄÒªÁì¼ÓËÙÐÂÖÊÁϵķ¢Ã÷³ÉΪÁË¿ÉÄÜ¡£¡£
¿ËÈÕ£¬ÎÒУ»¯Ñ§Ñ§ÔºÀîÂúÈÙ½ÌÊÚÍŶÓͨ¹ý´óÊý¾ÝÍÚ¾òºÍ¸ßͨÁ¿ÅÌË㣬ÔÚ¼«¶ËÌõ¼þÏÂʵÏÖÒì³£¸ÆîÑ¿óÎïÏྫ׼ºÏ³É·½ÃæÈ¡µÃÁËÏ£Íû¡£¡£×÷Õß½ÓÄÉ´óÊý¾ÝÇý¶¯¸ßͨÁ¿ÅÌË㣬Ԥ²âÁËÒ»ÖÖÐÂÐÍR3Ï༫ÐÔ´ÅÌåCo3TeO6£¬²¢Í¨¹ýʵÑéÔÚ5 GPa£¬1123 KϾ«×¼ºÏ³ÉÁ×ÆÃ¼«ÐÔ´ÅÌå¡£¡£Ïà¹ØÐ§¹ûÒÔ¡°Data-driven computational prediction and experimental realization of exotic perovskite-related polar magnets¡±ÎªÌâ½ÒÏþÔÚnpj Quantum Materials (2020, 5, 92)¡£¡£´óÊý¾Ý¼ìË÷¸ßͨÁ¿ÅÌËãµÄÁ÷³ÌͼÈçͼ1aËùʾ£º×÷ÕßÒÔÒì³£¸ÆîÑ¿óA3TeO6ΪÀý£¬ÅÌËãÁËAλΪMg¡¢Mn¡¢Fe¡¢Co¡¢Ni¡¢Cu¡¢ZnʱA3TeO6ËæÖÆ±¸Ñ¹Á¦×ª±äʱµÄÏà½á¹¹×ª±äÇéÐΣ¬ÔÙÒÔCo3TeO6ΪÀý£¬¾ÙÐÐʵÑéµÄÑéÖ¤¡£¡£

ͼ1. a. ´óÊý¾Ý¸ßͨÁ¿ÅÌËãÁ÷³Ìͼ£»b. AλΪ²î±ðÔªËØµÄA3TeO6ËæÑ¹Á¦×ª±äʱµÄ½á¹¹×ª±ä
Co3TeO6µÄ³£Ñ¹ÏàÊôÓڷǼ«ÐÔC2/c¿Õ¼äȺ£¬Æä·´Ìú´Åת±äζÈΪTN ~30 K¡£¡£ÀíÂÛÔ¤²âÅú×¢£¬µ±ÖƱ¸Ñ¹Á¦¸ßÓÚ5 GPaʱ£¬Co3TeO6½«×ª±äΪ¼«ÐÔR3Ïࣨ¼ÇΪHP-CTO£©£¬Æä¹ÀËãµÄÌúµç³ë·´×ªÄÜÀݺÍÒѱ¨µÀµÄͬÀàÖÊÁÏÏ൱£¬ÊÇDZÔڵĶàÌúÐÔ×ÓÁÏ¡£¡£Ëæºó£¬×÷ÕßÔÚ5 GPa£¬1123 KÖÆ±¸Ìõ¼þϾ«×¼ºÏ³É¼«ÐÔ´ÅÌåHP-CTO¡£¡£HP-CTOÔÚΪT1 ~ 24 KºÍT2 ~ 58 K±£´æÁ½¸ö´Åת¡£¡£ÔÚT2ת±äµãÒÔϵÄM-HÇúÏߣ¨5ºÍ50 K£©³ÊÏÖÖØ´óµÄ±ä´ÅÐÔÏìÓ¦¡£¡£·ÛÄ©ÖÐ×ÓÑÜÉäʵÑéЧ¹ûÅú×¢HP-CTOÔÚT2ת±äζÈÒÔÏÂ×ÅcÖáÆ«ÏòµÄÂÝÐý´ÅÐò½á¹¹£¬Èçͼ2Ëùʾ¡£¡£

ͼ2. ±äηÛÄ©ÖÐ×ÓÑÜÉä²â¶¨HP-CTOÔÚ5ºÍ45 KϵĴŽṹ
×÷Õß½øÒ»²½±íÕ÷ÁËÑùÆ·µÄµç¡¢´ÅºÍ´ÅµçñîºÏÐÔÄÜ£¬HP-CTOÔÚT2 ~ 58 K´¦£¬·ºÆð±¾Õ÷µÄ½éµç³£ÊýÒì³£·å£¨Í¼3b£©¡£¡£¼«»¯Ç¿¶ÈÔÚT2ÒÔÏÂ×îÏÈÔöÌí£¬µ«¼«»¯Æ«Ïò²¢²»Ë漫»¯µç³¡µÄ·´Ïò¶ø·´Ïò£¨Í¼3c£©£¬Åú×¢HP-CTO¾ßÓÐÈÈÊ͵çÐÔ£¬¶ø·ÇÌúµçÐÔ¡£¡£Í¬Ê±£¬HP-CTOÌåÏÖ³öȪԴÓÚ´ÅÖÂÉìËõµÄµç¼«»¯Óë´Å³¡µÄñîÏàÖúÓᣡ£×÷Õ߯¾Ö¤´ÅÐÔÄܺ͵çÐÔÄܲâÊÔЧ¹û£¬»æÖƳöHP-CTOµÄ´ÅµçÏàͼ£¨Í¼3g£©¡£¡£

ͼ3. HP-CTOµÄ´ÅµçñîºÏÐÔÄܺʹŵçÏàͼ
ÅÌË㸨Öúʶ±ðÐÂÖÊÁϵÄ×îÖÕÄ¿µÄÊÇÁ¬Ïµ¾§Ìå½á¹¹¼°Ìض¨ÐÔÄÜ£¬ÔÚÖØ´óÌõ¼þÏÂÔ¤²âÎÈ̬£¨ÑÇÎÈ̬£©»¯ºÏÎï£¬ÌØÊâÊÇÄÑÒÔͨ¹ýͨÀýʵÑé»ñµÃµÄ»¯ºÏÎʵÏֽṹºÍÐÔÄܵ¼ÏòµÄ¾«×¼ºÏ³É£¬¼ÓËÙÐÂÖÊÁϵķ¢Ã÷Àú³Ì¡£¡£´óÊý¾ÝÍÚ¾òºÍ¸ßͨÁ¿ÅÌËãÄܹ»¿ìËÙÔ¤²âÎȹ̵ľ§Ìå½á¹¹£¬ÎªÑ°ÕÒ¾ßÓÐ×î¼ÑÐÔÄܵÄÖÊÁÏÌṩ¸ßЧµÄËÑË÷¡£¡£¸ÃÊÂÇéÑéÖ¤ÁË´óÊý¾ÝÍÚ¾òºÍ¸ßͨÁ¿ÅÌËãÒªÁì¿ÉÒÔÓ¦ÓÃÓÚÖ¸µ¼ÐÂÐÍÒì³£¸ÆîÑ¿óÖÊÁϵÄÉè¼ÆÓëºÏ³É£¬ÎªÑо¿¾ßÓÐÓÅÒìµç¡¢´ÅÐÔÄܵÄÒì³£¸ÆîÑ¿óÖÊÁÏÌṩÁËÓмÛÖµµÄ²Î¿¼£¬ºóÆÚÊÂÇéÓÐÍûÍØÕ¹µ½ÆäËûϵͳ£¬²¢ÔÚ»¯Ñ§¿Õ¼äɨÃèÅÌË㣬ѵÁ·Êý¾Ý£¬¿ªÕ¹¸ß×ÔÓɶȵĻúеѧϰҪÁ죬½¨ÉèÏìÓ¦µÄÖÊÁÏ»ùÒò¿â¡£¡£
¸ÃÑо¿ÊÂÇé»ñµÃ¹ú¼Ò×ÔÈ»¿ÆÑ§»ù½ðί£¨NSFC-21875287, 21801253, 11804404£©¡¢¹ã¶«Ê¡Á¢Òì´´ÒµÍŶÓÍýÏ루2017ZT07C069£©Ö§³Ö¡£¡£
Ö÷ÒªÏàÖúÕßТ˳
¶«ÄÏ´óѧ¶Ë§½ÌÊÚ¿ÎÌâ×é¼ÓÈëÁ˸ßͨÁ¿ÅÌËãµÄÑо¿¡£¡£ÃÀ¹ú¹ú¼Ò±ê×¼ÊÖÒÕÑо¿Ëù(NIST)»ÆÇåÕòÏÈÉú£¬ÖйúÉ¢ÁÐÖÐ×ÓÔ´ºÎÂ×»ª¡¢³Â½àÏÈÉúÖ¸µ¼ÁËÖÐ×ÓÑÜÉäÊý¾ÝµÄÍøÂç¡£¡£¶íÂÞ˹˹¿Æ¶û¿ÆÎÖ¿ÆÑ§ÊÖÒÕÑо¿ÔºµÄAlexandra A. SavinaºÍ Artem M. AbakumovÍê³ÉÁ˴ŽṹµÄÆÊÎö¡£¡£µÂ¹ú¿ÆÂ¡´óѧChristoph P. GramsºÍ Joachim HembergerÍê³ÉÁ˴ŽéµçºÍ´ÅµçÐÔÄܵIJâÊÔ¡£¡£ÃÀ¹úÐÂÔóÎ÷ÖÝÁ¢´óѧMark CroftºÍÃÀ¹ú²¼Â³¿Ëº£ÎĹú¼ÒʵÑéÊÒµÄSteven EhrlichºÍSyed KhalidÍê³ÉÁËXANESµÄ²âÊÔÓëÆÊÎö¡£¡£±±¾©Àí¹¤´óѧºé¼ÒÍú½ÌÊÚºÍÍõÑ§ÔÆ¸±Ñо¿Ô±²¢Íê³ÉÁËPFM²âÊÔ¡£¡£ngµç×ÓÓÎÏ·ÖÊÁÏѧԺ»Æ·á½ÌÊÚºÍÍõ±ë²©Ê¿Íê³ÉÁËCo3TeO6ǰÇýÌåµÄÖÆ±¸ºÍÑùÆ·ÎȹÌÐÔÄܵIJâÊÔ¡£¡£
ÂÛÎÄÁ´½Ó£ºhttps://www.nature.com/articles/s41535-020-00294-2