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X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
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在X射线检测中,木基材料的进展和机遇.

Joydip Ghosh1, Priyanka Priyadarshini2, Zubaida T Younus3

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基于的化合物为X射线检测提供了一个更安全,更稳定的替代品,而不是化 PeroVskites. 这些材料在检测低剂量X射线方面表现有前途,推进了辐射检测技术.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 辐射检测 辐射检测 辐射检测
  • 半导体物理 半导体物理

背景情况:

  • 化 Perowskites 由于其卓越的性能和成本效益,被广泛用于电离辐射检测.
  • 合物矿的挑战包括毒性,不稳定性和黑暗电流漂移.
  • 基于石的化合物提供了一个有希望的替代品,具有较低的毒性和更好的稳定性.

研究的目的:

  • 审查最近在木基矿衍生物和矿启发材料直接X射线检测的进展.
  • 讨论使强性能成为可能的关键性质,特别是低剂量速率检测.
  • 概述性能提升和商业化挑战的策略.

主要方法:

  • 关于用于X射线检测的珠基材料的最新研究的综述.
  • 对影响X射线衰减和电荷传输的材料特性进行分析.
  • 讨论结构变化 (3D,2D,0D) 以及它们对性能的影响.

主要成果:

  • 基于石的化合物具有很高的原子数,具有很强的X射线衰减.
  • 这些材料表现出较低的毒性和更好的环境/热稳定性比以为基础的对应物.
  • 石材料可以检测到比无形显著低的X射线剂量率,并提供室温操作.

结论:

  • 基于石的矿衍生物和灵感材料是直接X射线检测的可行替代品.
  • 它们的特性使得它们适合检测低剂量的X射线,并提高稳定性和安全性.
  • 需要进一步的研究来克服商业化方面的挑战.