Results 221 to 230 of about 69,846 (270)
Size effect on thermal conductivity and stability of TiO<sub>2</sub>/MWCNT-based hybrid nanofluids synthesized <i>via</i> probe ultrasonication. [PDF]
RSC AdvHeshmatian S +6 more
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Manganese (III) meso-tetrakis(4-nitrophenyl) porphyrin sensitizes TiO₂ nanoparticles into visible region via a pyridyl linker for degradation of organic dyes. [PDF]
Sci RepRezaei M +3 more
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Anatase Nanosurface Regulates MicroRNAs
Journal of Craniofacial Surgery, 2008Titanium is the criterion standard among materials used for prosthetic devices because of its good mechanical and chemical properties. When exposed to oxygen, titanium becomes an oxide that is biocompatible and able to induce osseointegration. There are 3 allotropic forms of titanium dioxide: brookite, rutile, and anatase.
PALMIERI, Annalisa +9 more
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Pure anatase and rutile + anatase nanoparticles differently affect wheat seedlings
Chemosphere, 2016TiO2-nanoparticles (TiO2-NPs) are increasingly released to the environment. The present work investigates the cytotoxicity, genotoxicity and uptake of TiO2-NPs in Triticum aestivum. Wheat seeds were exposed to 5-150 mg L(-1) of anatase (ana) or rutile + anatase (rut + ana) TiO2-NPs for 5 d.
Sónia Silva +4 more
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Nature Materials, 2006
Surface defects strongly influence the surface chemistry of metal oxides, and a detailed picture of defect structures may help to understand reactivity and overall materials performance in many applications. We report first-principles calculations of step edges, the most common intrinsic defects on surfaces (and probably the predominant ones on ...
Xue-Qing, Gong +3 more
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Surface defects strongly influence the surface chemistry of metal oxides, and a detailed picture of defect structures may help to understand reactivity and overall materials performance in many applications. We report first-principles calculations of step edges, the most common intrinsic defects on surfaces (and probably the predominant ones on ...
Xue-Qing, Gong +3 more
openaire +2 more sources
DFT modeling of anatase nanotubes
Journal of Materials Chemistry, 2011TiO2 nanotubes constructed from anatase TiO2 layers were investigated with DFT methods employing the periodic CRYSTAL code. Films of thickness from one to three TiO2 layers (1-3 ml) have been considered. The dependence of strain energies, structural and electron properties on the tube diameter was investigated in the 10-70 A range. Relative stabilities
FERRARI, Anna Maria +2 more
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Photoluminescence study on defects in pristine anatase and anatase-based composites
Physica B: Condensed Matter, 2003Under 325 nm laser light irradiation at room temperature in oxygen gas, the photoluminescence (PL) intensity of pristine anatase TiO 2 decreases considerably and then it recovers reversibly with the same laser light irradiation at room temperature in vacuum. This result gives important information on the oxygen defects at anatase particle surfaces and
Shosuke Mochizuki +2 more
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Carbothermic Reduction of Anatase and Rutile.
ChemInform, 2005AbstractFor Abstract see ChemInform Abstract in Full Text.
Setoudeh, N., Saidi, A., Welham, N.J.
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Journal of Physics and Chemistry of Solids, 2001
Room-temperature volume versus pressure data of anatase was obtained from X-ray diffraction measurements in a diamond anvil cell up to 7.8 GPa. A fit of the pressure-volume data to a Birch-Murnaghan equation of state with an assumed pressure derivative K'
V. Swamy, L.S. Dubrovinsky
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Room-temperature volume versus pressure data of anatase was obtained from X-ray diffraction measurements in a diamond anvil cell up to 7.8 GPa. A fit of the pressure-volume data to a Birch-Murnaghan equation of state with an assumed pressure derivative K'
V. Swamy, L.S. Dubrovinsky
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High quality anatase TiO2 film: Field-effect transistor based on anatase TiO2
Applied Physics Letters, 2008We proposed an oxygen modulation method for the growth of high crystalline and insulative anatase films. The cycle of deposition under low oxygen pressure and annealing under high oxygen pressure was repeated every 1nm thick growth. The sharp reflection high-energy electron diffraction pattern and step-and-terrace surface morphology confirmed high ...
Masao Katayama +4 more
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