An ordered model with body centered cubic superstructure on A site cations was proposed. 提出了A位离子有序的体心立方(BCC)超结构模型。
An interface rescaling approach is adopted to study the ferromagnetic bilayers with body centered cubic structure considering the ferromagnetic interface coupling. The spin wave eigen mode, dispersion relation and energy band are investigated. 采用界面重参数化方法,研究了体心立方(BCC)结构的铁磁性材料,在界面为铁磁性耦合情况下,两层薄膜中自旋波的本征模、能带结构、色散关系。
On the basis of the Heisenberg exchange model, the spin-wave eigen-problem of the ferromagnetic bilayers with body centered cubic structure was solved exactly at the low temperature. 在Heisenberg模型的基础上,分别在未加磁场和计入垂直于膜面的磁场时,严格求解了体心立方(BCC)结构双层铁磁性薄膜中自旋波的低能量子本征值问题。
The extended x-ray absorption fine structure ( EXAFS ) and x-ray diffraction ( XRD ) techniques have been used to study the dependence of structural changes on annealing temperature for metastable body centered cubic ( bcc ) Fe_ 80 Cu_ 20 alloy synthesized by mechanical alloying. 利用扩展x射线吸收精细结构和x射线衍射研究了机械合金化制备的体心立方(BCC)(bcc)的亚稳态Fe80Cu20合金固溶体的结构随退火温度的变化特点。
The interfacial phase in SiCw / 6061Al composite was identified by electron diffration analysis to be a body centered cubic phase with a lattice parameter of 1.28 nm. 电子衍射分析表明,SiCw/6061Al中界面相为体心立方(BCC)结构,点阵常数为1.28nm。