Crystal structureBlack, needle shaped crystals of NbOBr2 were formed by reduction of NbOBr3 with InBr at 500 °C. It crystallizes isotypically to NbOI2 (monoclinic, space group C2, a = 13.833(4), b = 3.9079(6), c = 7.023(2) Å, β = 105.026(10)°). The structure consists of...
Crystal Structure of Nb 5 Si 3 − x P 0.5 + x ( x = 0–0.5)Dielectric constantElectrical propertiesTemperature measurementChalcogenidesDielectric materialsThe structure of the ternary compound NbSix0.5 + x6 = 0.52954(1) nm; = 0.081 for 547 reflections with Six5 + Si structure type, and ...
Crystal structure and color point tuning of β-Sr1.98-yMgySiO4-1.5xNx: 0.02Eu2+: A single-phase white light-emitting phosphor Journal of Alloys and Compounds, Volume 703, 2017, pp. 486-499 Hongping Ma,…, Youjie Hua Late Roman coarse wares from the Roman villa of Torre Llauder (Barcelo...
Here we present a first-principles density-functional theory study of the electronic structure and magnetism of H-Nb2O5, Nb25O62, Nb47O116, Nb22O54, and Nb12O29. These compounds feature blocks of niobium-oxygen octahedra as ... CP Kocer,KJ Griffith,CP Grey,... - 《Physical Review ...
structure of NbZn 2 The crystal structure of NbZn 2The crystal structure of NbZn 2TurkeyFirst page of articledoi:10.1107/S0365110X56000760Vold, C.LIUCrJohn Wiley & Sons, Ltd.Acta CrystallographicaVold, C. L.: The crystal structure of NbZn2. Acta Crystallogr. 14 (1961) 1289-1290....
Crystal structure refinement of Zr7P4 The crystal structure of Zr7P4 has been refined using single crystal methods.The structure is described on a monoclinic unit cell (space group C2/m) with a = 15.814(1) ,b = 3.6053(3) , c = 14.738(1) , β = 104.843(8)° and Z = 4.Final ...
利用传统的固相反应法在还原性气氛1200 ℃下分别制备出不同Nb掺杂量的Ti1-xNbxO2-δ陶瓷样品.样品的粉末X射线衍射(XRD)结果显示:Nb掺杂量x较低时样品为多相混合,当Nb掺杂量x>0.02时样品为单一的四方相金红石型结构.在室温到900 K的测试温区,测试了单相样品(x=0.02,0.03,0.04)的电导率、Seebeck系数和热导率...
Crystal structures of La 3Li 5M 2O 12 (M=Nb, Ta) have been determined by a single crystal X-ray diffraction technique. La 3Li 5M 2O 12 (M=Nb, Ta) has three dimensional framework structure consisting of La, Nb (Ta), O. The lithium atoms occupy two kinds of interstices in the fram...
Synthesis and crystal structure of a novel compound: [H3PMo12O40][CO(NH2)2]3·5H2O The title compound, [H3PMo12O40][CO(NH2)2]3·5H2O, was synthesized and characterized by IR, 13C NMR and X-ray diffraction. This is the first example of a u... Zhengbo,Han,and,... - 《...
The crystal structure of Bi3Nb17O47 has been determined from three-dimensional X-ray data and refined to R 0·092 for 1278 visually estimated independent reflections. The crystals are orthorhombic with a= 12·516 ± 0·005, b= 37·14 ± 0·02, c= 3·922 ± 0·002 Å, space group...