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This composition £¨Fig.a£©showed large remnant polarization and a steep slope of the P¨CE curve near the observed coercive field, as commonly observed in ¡®¡®soft¡¯¡¯ piezoelectric materials. In the case of BF¨C0.33BT composition £¨Fig.b£©, a shallow P¨CE loop with suppressed remnant polarization is observed, which are the features observed in ¡®¡®hard¡¯¡¯ piezoelectrics. Õâ¿´²»Ã÷°×Õâ¸ö£¨Fig.a£©showed large remnant polarization and a steep slope of the P¨CE curve near the observed coercive field, as commonly observed in ¡®¡®soft¡¯¡¯ piezoelectric£¬¶øFig.b¾ÍÊÇa shallow P¨CE loop with suppressed remnant polarization³ÉӲѹµçÌ壿Çë½Ìϰ¡£¬ÎÒ¿´Fig.aµÄEc´óÓÚFig.bµÄEc°¡£¿Ó¦¸ÃFig.aÊÇӲѹµçÌ壬Fig.bÊÇÈíѹµçÌå°¡ |
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