
Synthesis, physical properties and hardness of a novel YCrB4-type …
2023年12月10日 · The XRD pattern for the (Y 0.2 Dy 0.2 Ho 0.2 Tb 0.2 Lu 0.2) (Cr 0.2 Mo 0.2 W 0.2 Re 0.2 Ru 0.2)B 4 HEB is shown in Fig. 2 (b). One can see that all the diffraction peaks can be well indexed on the orthorhombic YCrB 4-type structure with the Pbam space group. Nevertheless, the residual stress cannot be determined by the XRD method since the ...
JVASP-55529_YCrB4 - NIST
The following shows the X-ray diffraction (XRD)[Source-code] pattern and the Radial distribution function (RDF) plots [Source-code]. XRD peaks should be comparable to experiments for bulk structures. Relative intensities may differ.
Redetermination of the crystal structure of yttrium chromium tetra ...
2023年11月1日 · YCrB 4 is a promising semiconductor material with good thermoelectric properties and a good power factor of 6.0 µW cm −1 K −2 at 500 K (Simonson & Poon, 2010 #; Flipo et al., 2021 #). The YCrB 4 compound is also expected to be a super-hard material (Akopov et al., 2018 #) and a narrow bandgap semiconductor (Medvedeva et al., 2002 #).
mp-20450: YCrB4 (orthorhombic, Pbam, 55) - Materials Project
YCrB4 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. Y3+ is bonded in a 4-coordinate geometry to fourteen B+1.50- atoms. There are a spread of Y–B bond distances ranging from 2.61–2.74 Å. Cr3+ is bonded in a 11-coordinate geometry to one Cr3+ and ten B+1.50- atoms. The Cr–Cr bond length is 2.32 Å.
根据单晶 X 射线衍射数据重新测定四硼化钇铬 (YCrB4) 的晶体结构 …
基于单晶x射线衍射数据精修了四硼化钇铬ycrb4的结构参数。 YCrB4 是斜方晶系,具有 Pbam 型空间群(编号 55),晶格参数为 a = 5.9425 (2)、b = 11.4831 (4)、c = 3.4643 (1) Å。
Redetermination of the crystal structure of yttrium chromium tetra ...
2023年10月26日 · The structural parameters of yttrium chromium tetra-boride YCrB 4 were refined based on single-crystal X-ray diffraction data. YCrB 4 is ortho-rhom-bic, having a space group of type Pbam (No. 55) and with lattice parameters of a …
Synthesis, physical properties and hardness of a novel YCrB4-type …
2023年12月1日 · Through discussing the thermodynamics process related to these possible chemical reactions and combining the XRD results at different temperatures, it was obtained that higher temperature and ...
Band structures for (a) YCrB4, (b) YMnB4, (c) YFeB4, and (d) YCoB4.
In this study, the physical such as structural, electronic, anisotropic elastic and lattice dynamic properties of YXB4 (X = Cr, Mn, Fe and Co) compounds have been investigated. The electronic...
Redetermination of the crystal structure of yttrium chromium tetra ...
2023年11月11日 · YCrB 4 is a promising semiconductor material with good thermoelectric properties and a good power factor of 6.0 µW cm −1 K −2 at 500 K (Simonson & Poon, 2010 ; Flipo et al., 2021 ). The YCrB 4 compound is also expected to be a super-hard material (Akopov et al., 2018 ) and a narrow bandgap semiconductor (Medvedeva et al., 2002 ).
Accelerated Synthesis of Borophane (HB) Sheets through HCl
2023年3月27日 · Figure 4 shows a collection of X-ray diffraction (XRD) patterns of the HB and YCrB 4 samples. Diffraction peaks of the YCrB 4 crystals were found at angles, as expected. One can also capture the differences in the XRD signals of YCrB 4 before and after ball milling.