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首页> 外文期刊>The American mineralogist >Pb~+ irradiation of synthetic zircon (ZrSiO4): Infrared spectroscopic investigation—Reply
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Pb~+ irradiation of synthetic zircon (ZrSiO4): Infrared spectroscopic investigation—Reply

机译：合成锆石（ZrSiO4）的Pb〜+辐照：红外光谱研究—答复

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We appreciate the opportunity to respond to the discussion by Nasdala (2009) concerning our interpretation of infrared spectra used to investigate the change in the structure of Pb-irradiated zircon as a function of increasing flux (Zhang et al. 2008a, 2008b). Nasdala is correct in cautioning experimentalists to carefully match the analytical technique to the expected irradiation damage profile to optimally probe the irradiation effects, and in fact, this point was emphasized by Ewing et al. (2003) in a review of radiation effects in zircon. However, Nasdala’s discussion fails to fully appreciate three important points. (1) There is a difference between in situ irradiations of TEM samples that must be electron transparent, ~200 nm thick, as were completed by Weber et al. (1994), and more bulk-like irradiations that were completed in the Zhang et al. (2008a, 2008b) studies. (2) The particle-solid interactions change along the path of an implanted ion, that is the distribution and nature of the damage changes with depth as the ion loses energy, resulting in the greatest number of ballistic interactions near the end of the particle trajectory (see Fig. 1 of Ewing et al. 2003). (3) In comparing natural zircon damaged by alpha-decay events with ion-irradiated zircon, one must be aware that the recoil nucleus and the alpha particle cause different types of damage, and the use of the Pb-implantation experiment is meant to simulate only the alpha-recoil damage.
机译：我们很高兴有机会回应Nasdala（2009）关于红外光谱解释的讨论，红外光谱用于研究Pb辐照锆石的结构随通量增加的变化（Zhang等人2008a，2008b）。 Nasdala正确地警告实验人员，以使分析技术与预期的辐照损伤曲线相匹配，以最佳地探测辐照效果，事实上，这一点已由Ewing等人强调。 （2003年）在锆石中的辐射效应综述中。但是，纳斯达拉的讨论未能完全理解三个要点。 （1）如Weber等人所完成的，TEM样品的原位照射必须是电子透明的，厚度约为200 nm，这之间存在差异。 （1994年），以及在Zhang等人中完成的更多类似块状的辐射。 （2008a，2008b）研究。 （2）粒子-固体相互作用沿着注入离子的路径发生变化，即随着离子损失能量，损伤的分布和性质随深度而变化，从而导致在粒子轨迹末端附近出现最多数量的弹道相互作用。 （参见Ewing等人，2003年的图1）。 （3）在将因α衰变事件而损坏的天然锆石与经离子辐照的锆石进行比较时，必须意识到反冲核和α粒子会造成不同类型的损害，并且使用Pb注入实验旨在模拟只有阿尔法后座力损坏。

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