hexagonal lattice

Optimal design based on a two-dimensional photonic crystal of hexagonal lattice with a large complete band gap;

基于六角结构二维光子晶体绝对带隙的优化设计研究

X-ray powder diffraction showed that Ni-Mg solid solution was formed with the single phase of hexagonal close-packed(hcp) structure,its average particle size obtained from Scherrer formula is 6.

采用柠檬酸盐分解法得到前驱体,在氩气气氛中低温烧结,合成了六角密排结构的Mg掺杂Ni纳米颗粒。