铁氧化物($\alpha - Fe_{2}O_{3}$和$Fe_{3}O_{4}$)在太赫兹范围内性质的时域光谱研究

Netcom Pub Date : 2023-07-30 DOI:10.1109/OMN/SBFotonIOPC58971.2023.10230927

Giovanni Budroni Netto, Jonathas de Paula Siqueira, Flavio Caldas Da Cruz

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引用次数: 0

摘要

对铁氧化物-赤铁矿和磁铁矿样品进行了太赫兹时域光谱分析。我们能够得到复折射率和介电常数。对于α -赤铁矿，在0.13 THz下观察到AFM共振。虽然我们没有发现磁铁矿的任何共振，但通过降低温度可以观察到光谱的变化。这表明TDS-THz可能是检测铁材料腐蚀的有用工具。

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A Study of the Properties of Iron Oxides ($\alpha - Fe_{2}O_{3}$ and $Fe_{3}O_{4}$) Through Time Domain Spectroscopy in the Terahertz Range

Terahertz time-domain spectroscopy was per-formed on samples of the iron oxides alpha-hematite and magnetite. We were able to obtain the complex refractive index and dielectric constants. For alpha-hematite, an AFM resonance was observed at 0.13 THz. Although we did not find any resonance for magnetite, it was possible to observe spectral changes by decreasing the temperature. This suggests that TDS-THz may be a useful tool to detect corrosion on iron materials.

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Netcom

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审稿时长

18 weeks