We adapt the lattice constant of the silicene layer to the in- plane lattice constant of bulk metals (Table 1). The mismatches of silicene with the lattice parameters of the metal surfaces Da are 0.99 , 14.95%. A vacuum space of at least 15 A˚ is applied in the z direction. In ...
were fully aware that there might be a vacuum of approximately 18 months during which no Election Committeewould exist. legco.gov.hk legco.gov.hk 就《行政長官選舉條例》而言,則可能會出現大約 18 個月 沒有選舉委員會的真空期,這是議員清楚知悉的。