
<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="RIGHT: auto">I have already tried the dituted semicondictors please i want to ask you if it is obliged to pass by the generation of supercelle to add the impurity<BR><SPAN class=hps closure_uid_eakhw5="12927" Kc="null">thank you in advance</SPAN><BR closure_uid_eakhw5="12932" Kc="null"><SPAN class=hps closure_uid_eakhw5="12928" Kc="null">cordially</SPAN> <SPAN class=hps closure_uid_eakhw5="12929" Kc="null">mouna</SPAN> <SPAN class=hps closure_uid_eakhw5="12930" Kc="null">Mesbahi<VAR id=yui-ie-cursor></VAR></SPAN></div></div></body></html>