Dear Ali,<br><br>Usually when you speak of simulating a nanowire, because of the periodic boundary conditions, you simulate an infinite one. If the nanowire is aligned along Z axis, which seems to be your case, then you have periodicity along the Z-direction. Therefore you need to have enough vacuum along the x & y direction so that the periodic images should not interact. <br>
<br>Prasenjit.<br><br><div class="gmail_quote">2009/4/20 ali kazempoor <span dir="ltr"><<a href="mailto:kazempoor2000@yahoo.com">kazempoor2000@yahoo.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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Dear all<br>
I want to study the fingerprint of reconstruction in nanowire facets. How can I find that wheater I have surface reconstruction or not? Should I make a bigger supercell in Z direction( Z is the lenght of nanowire)?<br>
thanks<br>
Ali Kazempour.Isfahan University of Technology,Iran<br>
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</blockquote></div><br><br clear="all"><br>-- <br>PRASENJIT GHOSH,<br>POST-DOC,<br>ROOM NO: 265, MAIN BUILDING,<br>CM SECTION, ICTP,<br>STRADA COSTERIA 11,<br>TRIESTE, 34104,<br>ITALY<br>PHONE: +39 040 2240 369 (O)<br> +39 3807528672 (M)<br>