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[Analysis Case] Discrimination between Anatase and Rutile Types of Titanium Dioxide

TEM-EELS enables elemental identification and chemical state analysis in micro-regions.

Titanium dioxide (TiO2), used in electronic materials, catalytic materials, ultraviolet absorbers, and photocatalysts, exists in two forms with the same composition but different crystal structures: anatase and rutile. We conducted measurements on a polycrystalline TiO2 sample with a thickness of 20 nm, deposited on a Si substrate (Photo 1), using an electron beam probe focused down to approximately 1 nmΦ (FWHM). The EELS spectra obtained from the sample match the standard spectra of anatase TiO2 for both Ti and O (Figures 1 and 2).

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Analysis of LSI and memory.

[Analysis Case] Differentiation between Anatase and Rutile Types of Titanium Dioxide_C0082

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