<div dir="ltr"><div class="gmail_quote"><br><br><div dir="ltr">Dear All<div>I got Si structure from wien2k examples and after optimization it is</div><div>SILICON </div><div>F LATTICE,NONEQUIV.ATOMS: 1 </div><div>MODE OF CALC=RELA unit=ang </div><div> 10.305626 10.305626 10.305626 90.000000 90.000000 90.000000 </div><div>ATOM 1: X=0.12500000 Y=0.12500000 Z=0.12500000</div><div> MULT= 2 ISPLIT= 2</div><div> 1: X=0.87500000 Y=0.87500000 Z=0.87500000</div><div>Si NPT= 781 R0=0.00010000 RMT= 2.22 Z: 14.0 </div><div>LOCAL ROT MATRIX: 1.0000000 0.0000000 0.0000000</div><div> 0.0000000 1.0000000 0.0000000</div><div> 0.0000000 0.0000000 1.0000000</div><div> 48 NUMBER OF SYMMETRY OPERATIONS</div><div><br></div><div><span style="background-color:rgb(255,153,0)">mBJLDA gives band gap of 1.19 eV (perfect).</span></div><div><br></div><div> <font color="#ff0000">Now I apply strain (0.1 %) and structure is </font></div><div><div><br></div><div><div dir="ltr"><div><div>SILICON </div><div>F LATTICE,NONEQUIV.ATOMS: 1 </div><div>MODE OF CALC=RELA unit=ang </div><div> 10.315932 10.300477 10.300477 90.000000 90.000000 90.000000 </div><div>ATOM -1: X=0.12500000 Y=0.12500000 Z=0.12500000</div><div> MULT= 2 ISPLIT=-2</div><div> -1: X=0.87500000 Y=0.87500000 Z=0.87500000</div><div>Si NPT= 781 R0=0.00010000 RMT= 2.22 Z: 14.0 </div><div>LOCAL ROT MATRIX: 0.0000000 0.0000000 1.0000000</div><div> 1.0000000 0.0000000 0.0000000</div><div> 0.0000000 1.0000000 0.0000000</div><div> 48 NUMBER OF SYMMETRY OPERATIONS</div></div><div>This time band structure (attached herewith) is very different and Si is metal.</div><div>Kindly guide me whether I am apply strain in right way or not? Band Structure is </div><div><br></div></div></div></div></div></div><div class="gmail_signature"><div dir="ltr"><div>Kind Regards</div><div>Muhammad Sajjad </div><div>Post Doctoral Fellow</div><div>KAUST, KSA.</div></div></div>
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