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Resistivity, ESR, and Radiation Shielding Properties of the Volcanic Rock Materials

机译：火山岩材料的电阻率，ESR和辐射屏蔽特性

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Pumices have been used in cement, concrete, brick, and ceramic industries as an additive and aggregate material. It will be important to study pumice types by using a different tool as EPR which is a new technique for related material to be used for industrial aims. Electron spin resonance (ESR) spectra of the pumice types were taken by EMX-type spectrometer. Also, the current-voltage (I-V) and surface resistivity probe stand of the thin films was studied using a four-point probe measurements. The relationship between radiation shielding properties of the pumice samples and their surface resistivity, chemical, and electrokinetic properties was evaluated using simple regression analysis. Simple regression analysis indicated a strong correlation between surface resistivity and density and SiO2, Fe2O3, CaO, MgO, and TiO2content of pumice samples in this study. It is found that a correlation between determinedg-factor by EPR spectroscopy and radiation shielding is established for pumice samples.
机译：在水泥，混凝土，砖瓦和陶瓷行业中，人造胶已被用作添加剂和骨料。重要的是，使用与EPR不同的工具来研究浮石类型，这是一种用于工业目的的相关材料的新技术。浮石类型的电子自旋共振（ESR）光谱通过EMX型光谱仪获得。另外，使用四点探针测量研究了薄膜的电流-电压（I-V）和表面电阻率探针台。使用简单的回归分析评估浮石样品的辐射屏蔽性能与其表面电阻率，化学和电动特性之间的关系。简单回归分析表明，在这项研究中，浮石样品的表面电阻率和密度与SiO2，Fe2O3，CaO，MgO和TiO2含量之间存在很强的相关性。已经发现，对于浮石样品，通过EPR光谱法确定的g因子与辐射屏蔽之间建立了相关性。

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