All kinds of PWO crystals showed the body-centered tetragonalstructure in the Raman spectra.
拉曼光谱证实晶体的结构为体心四方结构。
2
The results of SEM, XRD and XPS measurements of those films show that all films have single tetragonalstructure of scheelite - type.
XRD和XPS分析结果表明，制备的钼酸盐薄膜均为表面均匀致密的四方晶系单相薄膜。
3
Titanium nitride was synthesized by ammonia reduction and nitridation under flowing ammonia atmosphere while the content and tetragonal phase structure of zirconia was unchanged.