2019年7月23日 · Powder X-ray diffraction (XRD) is a common characterization technique for nanoscale materials. Analysis of a sample by powder XRD provides important information that is complementary to various microscopic and spectroscopic methods, such as phase identification, sample purity, crystallite size, and, in some cases, morphology.

2019年7月23日 · P owder X-ray diffraction (XRD) is a common character- ization technique for nanoscale materials. Analysis of a sample by powder XRD provides important information that is complementary to various microscopic and spectro-scopic methods, such as phase identi cation, sample purity, fi crystallite size, and, in some cases, morphology.

ACS Nano. 2019 Jul 23;13 (7):7359-7365. doi: 10.1021/acsnano.9b05157.Tutorial on Powder X-ray Diffraction for Characterizing Nanoscale Materials

2025年3月6日 · Assessing Cobalt (II/III) Complex Purity Using XRD and Its Impact on Effectiveness of Catalytic Chain Transfer Polymerization

2024年5月7日 · 针对该应用，苏州浪声科学仪器有限公司研发出桌面式界FRINGE型XRD，采用该仪器和SH/T 1827-2019行业标准，对收集到的制定行业标准用的2种PE和3种PP试片进行了结晶度测定，试验证明：分析数据符合标准规定；性价比高、精密准确的桌面式界FRINGE型XRD能够满 …

2023年12月13日 · 使用 2D 探测器 (XRD ) 的透射模式可以直观且全部的获得聚合物材料的结构信息。 下文利用 布鲁克D8 DISCOVER 二维X射线衍射仪测试了不同状态的PP样品，全部展示了二维衍射在聚合物分析中的优势。

2025年2月20日 · Crystal structure determination from powder diffraction patterns is a complex challenge in materials science, often requiring extensive expertise and computational resources. This study introduces DiffractGPT, a generative pretrained transformer model designed to predict atomic structures directly from X-ray diffraction (XRD) patterns. By capturing the intricate relationships between ...

In this paper, propylene–ethylene copolymer (POP) is used to toughen the PP-based shielding layer. The effects of POP content (40 parts, 50 parts and 60 parts) on the electrical and mechanical...

2025年1月4日 · In this setup, conditional crystal structure prediction (CSP) aims to model the conditional distribution $p ( {\bm {L}}, {\bm {F}}\mid {\bm {A}}, {\bm {C}}_ {XRD})$ , learning the relationship between the crystal lattice, fractional coordinates, atom types, and PXRD patterns to predict the most probable crystal structure.

This is illustrated clearly in Fig. 1, which shows X-ray diffraction (XRD) data for mixtures of an impact polypropylene copolymer (Carmel Olefins S.A.; melt flow index, MFI, 25), PP, with...