<div dir="ltr"><div><div><div><span style="color:rgb(68,68,68)">Dear All,<br><span style="font-size:11pt;font-family:"Calibri","sans-serif"">I am working on a compound in which few atoms have Born effective charge(BEC) values </span><span style="font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:11pt;font-family:"Calibri","sans-serif"">anomalously <i>smaller</i></span>. I know that </span><span style="font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:11pt;font-family:"Calibri","sans-serif"">Anomalously
large Born dynamical charges in perovskite oxides are known to be
indicators of their tendency to turn polar through cation off-centering. I </span>wonder that is their any interpretation if the BECs are anomalously <i>smaller</i> and not larger than the ionic expectation. How should one understand that behavior</span>?<br>
<br></span></div><span style="color:rgb(68,68,68)">Many Thanks in Advance,<br></span></div><span style="color:rgb(68,68,68)">Best regards,<br></span></div><span style="color:rgb(68,68,68)"><br>Abhishek Mishra<br>TSU, JNCASR, Bangalore</span><br>
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