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Zeolite Fe–MFI possessing super-micropores has been synthesized by a direct hydrothermal method using potassium hexacyanoferrate(III) as the iron source. The results show that the material has a highly crystalline MFI zeolite structure, displaying a regular structure with ca. 0.7–1.5nm in pore diameter. X-ray absorption spectroscopy results indicated that the iron was present in the form of tetrahedrally...
High-valence Tb-doped bismuth titanate (Bi 3.6 Tb 0.4 Ti 3 O 12 ) (BTT) ferroelectric film was fabricated on Pt/TiO 2 /SiO 2 /Si (100) substrate by sol–gel technique. The BTT film had a polycrystalline perovskite structure with uniform and dense surface morphology. At a maximum applied electric field of 540kV/cm, a remnant polarization of 59.8μC/cm ...
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