Dear All<div>Recently, I want to simulate the adsorption process of single molecules on the crystal surface.</div><div>That is, the adsorption of GaN molecules on the surface of GaN<0001 >.</div><div><br /></div><div>I built a 4*4*3 supercell from a GaN cell.<br /></div><div>During the calculation, I fixed the last layer of GaN supercell(4*4*3rd).<br /></div><div>Then, a GaN molecule is added at a position 0.4nm away from the upper surface of the supercell.<br /></div><div><br /></div><div>when I uesd NOSE,The temperature will continue to decrease</div><div>ENSEMBLE NVT<br /> STEPS 3000<br /> TIMESTEP 0.5<br /> TEMPERATURE 973.15<br /> &THERMOSTAT<br /> &NOSE<br /> TIMECON 50<br /> &END NOSE<br /></div><div> &END THERMOSTAT</div><div><br /></div><div><div>when I uesd CSVR,The temperature will continue to increase</div><div>ENSEMBLE NVT<br /> STEPS 3000<br /> TIMESTEP 0.5<br /> TEMPERATURE 973.15<br /> &THERMOSTAT<br /> &CSVR<br /> TIMECON 50<br /> &END CSVR<br /></div><div> &END THERMOSTAT</div></div><div><br /></div><div>How should I control the temperature?<br /></div><div><br /></div><div>Thank you very much</div><div>yours</div><div>LI</div>
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