<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div dir="ltr">Thanks Dr Delamora for your reply <div><br></div><div>Now I inderstand that and according to this raison <span style="color:rgb(0,0,0);font-family:courier,"courier new",monospace;font-size:14px;line-height:19.6px;white-space:pre-wrap">"geometrical frustration" , is there any structural distortion in the planes (100) and (110) for the NaCl structure.</span><div><br></div><div>Best regards</div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div style="font-family:monospace"><div><font size="2"><span style="color:rgb(0,0,255)">Mr: A.Reggad</span> <br><span style="background-color:rgb(238,238,238)"><span style="color:blue">Laboratoire de Génie Physique</span></span><br></font></div><font size="2"><span style="color:rgb(0,0,255)">Université Ibn Khaldoun - Tiaret</span><br></font></div><div><font size="2"><span style="font-family:monospace"><span style="color:rgb(0,0,255)">Algerie</span></span></font><br></div><div><div><br><span style="font-family:"times new roman",serif"><span style="color:blue"></span></span><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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