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首页> 外文期刊>Journal of Applied Physics >Electrical Signals in Dynamically Stressed Ionic Crystals: A Dislocation Model
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Electrical Signals in Dynamically Stressed Ionic Crystals: A Dislocation Model

机译:动态应力离子晶体中的电信号:位错模型

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摘要

A summary of new and previously published data on shock‐induced electrical signals observed in nominally pure NaCl single crystals is presented. A dislocation dynamics model is developed to account for the microscopic origin of these signals. This model, although only qualitatively applied so far, is shown to be able to explain many of the interesting features of the observed data, notably the change of signal polarity at ∼10 and ∼110 kbar and the distinct signal profiles observed when the sample is shocked along different crystallographic directions. New experimental results for NaCl single crystals doped with Ca2+, Ba2+, Mg2+, and OH- impurity ions are also presented. These results are consistent with the predictions of the proposed dislocation dynamics model.
机译:总结了在名义上纯的NaCl单晶中观察到的冲击电信号的新数据和以前发布的数据。开发了位错动力学模型以说明这些信号的微观起源。尽管到目前为止仅对该模型进行了定性分析,但该模型能够解释观察到的数据的许多有趣特征,尤其是在约10 kbar和约110 kbar时信号极性的变化以及当样品为沿不同的晶体学方向受到冲击。还提出了掺有Ca2 +,Ba2 +,Mg2 +和OH-杂质离子的NaCl单晶的新实验结果。这些结果与提出的位错动力学模型的预测一致。

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    《Journal of Applied Physics》 |1969年第10期|共9页
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  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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