<div dir="ltr">Dear all,<div><br></div><div>when we need to make a relaxation of heterojunction (supercell, such as a system contains 40 atoms), <b>which one in the following choices is the best way?</b></div><div><b>A:</b> full relaxation (volume shape, lattice constant and atomic positions vary)</div>
<div><b>B: </b> fix the lattice constant</div><div><br></div><div style>any other better relaxation manners is welcome</div><div>thank you very much!<br clear="all"><div><br></div>-- <br>------------------------------------------------------------------------------------------------------------<div>
Yue-Wen FANG, PhD candidate<br><div><a href="http://clpm.ecnu.edu.cn/" style="font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)" target="_blank">Key Laboratory of Polar Materials and Devices, Ministry of Education</a><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)">
<div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)"><a href="http://www.ecnu.edu.cn/english/" target="_blank">East China Normal University</a></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)">
I will persist until I succeed!</div></div><div><br></div><div><br></div></div>
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