钡锶氟硼酸盐作为无机放射性变色材料

IF 1.6 3区物理与天体物理 Q2 NUCLEAR SCIENCE & TECHNOLOGY

Radiation Measurements Pub Date : 2025-02-01 DOI:10.1016/j.radmeas.2024.107352

Sergey V. Rashchenko , Tatyana B. Bekker , Alexey V. Davydov , Boris G. Goldenberg

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引用次数: 0

摘要

放射致色传感器，能够通过颜色或透明度的变化来表达电离辐射的可视化，在医疗、科学和工业应用中无处不在。目前已知的放射性变色材料大多属于有机化合物，而无机材料在放射性变色方面的潜力几乎尚未开发。本文报道了Ba7(BO3)3.5F3.5和Ba3Sr4(BO3)4F2无机Ba-Sr氟化硼酸盐的放射性显色强度的剂量敏感性和辐射诱导显色中心的衰变动力学。用宽带同步辐射（5-17 keV）辐照这些多晶材料的实验表明，Ba3Sr4(BO3)4F2材料具有放射性显色的剂量敏感性，可能适用于从几cGy到~ 10 Gy空气克玛的剂量测量。与Ba3Sr4(BO3)4F2相比，Ba7(BO3)3.5F3.5材料的放射性显色剂量敏感性略低，但也揭示了利用强可见光快速漂白放射性显色的可能性，这可能用于可重复使用的放射性显色传感器的开发。

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Ba-Sr fluoride borates as inorganic radiochromic materials

Radiochromic sensors, which enable express visualization of ionizing radiation by change in color or transparency, are ubiquitous in medical, scientific, and industrial applications. Most of the currently known radiochromic materials belong to organic compounds, while the potential of inorganic materials in terms of radiochromicity remains nearly unexplored. Here we report the measurements of dose sensitivity of radiochromic coloration intensity and decay kinetics of radiation-induced color centers for inorganic Ba-Sr fluoride borates with the compositions Ba₇(BO₃)_3.5F_3.5 and Ba₃Sr₄(BO₃)₄F₂. Experiments with irradiation of these polycrystalline materials using broadband synchrotron radiation (5–17 keV) revealed that the Ba₃Sr₄(BO₃)₄F₂ material has dose sensitivity of radiochromic coloration potentially suitable for measurements of doses from several cGy to ∼10 Gy air kerma. The Ba₇(BO₃)_3.5F_3.5 material demonstrated a slightly lower dose sensitivity of radiochromic coloration than Ba₃Sr₄(BO₃)₄F₂, but also revealed the possibility of quick bleaching of the radiochromic coloration using intense visible light, which may be used in the development of reusable radiochromic sensors.

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来源期刊

Radiation Measurements 工程技术-核科学技术

CiteScore

4.10

自引率

20.00%

发文量

116

审稿时长

48 days

期刊介绍： The journal seeks to publish papers that present advances in the following areas: spontaneous and stimulated luminescence (including scintillating materials, thermoluminescence, and optically stimulated luminescence); electron spin resonance of natural and synthetic materials; the physics, design and performance of radiation measurements (including computational modelling such as electronic transport simulations); the novel basic aspects of radiation measurement in medical physics. Studies of energy-transfer phenomena, track physics and microdosimetry are also of interest to the journal. Applications relevant to the journal, particularly where they present novel detection techniques, novel analytical approaches or novel materials, include: personal dosimetry (including dosimetric quantities, active/electronic and passive monitoring techniques for photon, neutron and charged-particle exposures); environmental dosimetry (including methodological advances and predictive models related to radon, but generally excluding local survey results of radon where the main aim is to establish the radiation risk to populations); cosmic and high-energy radiation measurements (including dosimetry, space radiation effects, and single event upsets); dosimetry-based archaeological and Quaternary dating; dosimetry-based approaches to thermochronometry; accident and retrospective dosimetry (including activation detectors), and dosimetry and measurements related to medical applications.