<div dir="auto">To generate such a superstructure you need to work out (aided by experiment) the relevant epitaxial relationship between the two, then create the appropriate nxm 2D semicoherent interface and extend in the third direction to a periodic structure.<div dir="auto"><br></div><div dir="auto">This is a complex problem in bicrystallography. If you do not understand the terms above, enter "semi coherent interfaces" into Google and start reading!<br><br><div data-smartmail="gmail_signature" dir="auto">_____<br>Professor Laurence Marks<br>"Research is to see what everybody else has seen, and to think what nobody else has thought", Albert Szent-Gyorgi<br><a href="http://www.numis.northwestern.edu">www.numis.northwestern.edu</a></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Apr 28, 2019, 17:23 delamora <<a href="mailto:delamora@unam.mx">delamora@unam.mx</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">




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I suppose that you have TiO2 rutile, and ZnO rocksalt, so what do you mean by one layer?</div>
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Also, they have very different unit cell parameters TiO2; 4.57, 4.57, 2.93, ZnO; 3.81, so how can you put them one on top of the other?<br>
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<div>Let me rewrite the question. We want to make a heterostructure of TiO2/ZnO, just two layers for now. Your response is highly appreciated.
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<div>Kind regards</div>
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<p style="font-family:verdana,helvetica,sans-serif;font-size:16px"><b><font size="3" face="verdana, helvetica, sans-serif"><i>Lawal
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<div>On Sunday, April 28, 2019, 7:01:09 AM GMT+8, delamora <<a href="mailto:delamora@unam.mx" target="_blank" rel="noreferrer">delamora@unam.mx</a>> wrote:
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<div>Dear Developers and Users,</div>
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<div>I need your help to generate unit cell of a semiconductor structure of two layers of different materials. Any hint is highly appreciated.</div>
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<font size="3">....................................</font></div>
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<font size="3">Your question is not clear... There are many possibilities</font></div>
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<font size="3">Do you want to put two layers? What materials do you want to put? Maybe you put two semiconductors, but together they are not semiconductors</font>
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