[Pw_forum] ZnO(1010) surface BandGap

[meysam pazoki]

Dear Giuseppe
Thanks for your reply.
In Bulk ZnO with GGA ,i have 1.2 eV Gap but in the slab it is approximately
disappeared.
What is wrong with ZnO surface?I dont know why in calculation of surface
,the gap is disappeared.
Best Regards
meysam
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