English
Related papers

Related papers: Titanium dioxide (TiO2) Nanoparticles XRD Analyses…

200 papers

This work describes the elaboration of rutile titanium dioxide films with high refractive indices and low scattering by sol-gel process and controlled crystallization. The evolutions of the optical properties and crystalline structure of…

Metal-oxide interfaces with poor coherency have unique properties comparing to the bulk materials and offer broad applications in the fields of heterogeneous catalysis, battery, and electronics. However, current understanding of the…

Materials Science · Physics 2024-03-01 Yao Zhang , Zezhou Li , Xing Tong , Zhiheng Xie , Siwei Huang , Yue-E Zhang , Hai-Bo Ke , Wei-Hua Wang , Jihan Zhou

Cassini discovered a plethora of neutral and ionised molecules in Titan's ionosphere including, surprisingly, anions and negatively charged molecules extending up to 13,800 u/q. In this letter we forward model the Cassini electron…

Nanoparticles of very small size (below 10 nm) of TiO2 material are nowadays the functional building blocks of many developing technological applications. Nano is clearly different from bulk or extended systems as regards surface area,…

Materials Science · Physics 2016-09-07 Gianluca Fazio , Lara Ferrighi , Cristiana Di Valentin

We investigate far-infrared properties of strain engineered vanadium dioxide nanosheets through epitaxial growth on a (100)R TiO2 substrate. The nanosheets exhibit large uniaxial strain leading to highly uniform and oriented cracks along…

Strongly Correlated Electrons · Physics 2015-03-19 Elsa Abreu , Mengkun Liu , Jiwei Lu , Kevin G. West , Salinporn Kittiwatanakul , Wenjing Yin , Stuart A. Wolf , Richard D. Averitt

More than 130 pure rotational transitions of $^{46}$TiO, $^{47}$TiO, $^{48}$TiO, $^{49}$TiO, $^{50}$TiO, and $^{48}$Ti$^{18}$O are recorded using a high-resolution mm-wave supersonic jet spectrometer in combination with a laser ablation…

Chemical Physics · Physics 2021-05-20 Alexander A. Breier , Björn Waßmuth , Guido W. Fuchs , Jürgen Gauss , Thomas F. Giesen

A complex oxalate precursor, CaCu3(TiO)4(C2O4)8.9H2O, was synthesized and the precipitate that obtained was confirmed to be monophasic by the wet chemical analyses, X-ray diffraction, FTIR absorption and TG, DTA analyses. The thermal…

Materials Science · Physics 2013-01-21 P. Thomas , K. Dwarakanath , K. B. R. Varma , T. R. N. Kutty

The Niobium surface is almost always covered by a native oxide layer which greatly influences the performance of superconducting devices. Here we investigate the highly stable Niobium oxide overlayer of Nb(110), which is characterised by…

X-ray powder diffraction using a synchrotron light source reveals significant modifications to both morphology and strain state in Palladium nanocubes after oxidation. Short-range strain measured by the static component of the Debye-Waller…

Materials Science · Physics 2021-02-03 Binayak Mukherjee , Alberto Flor , Paolo Scardi

Nanoprobe X-ray diffraction (nXRD) using focused synchrotron radiation is a powerful technique to study the structural properties of individual semiconductor nanowires. However, when performing the experiment under ambient conditions, the…

Understanding the complex chemistry of functional nanomaterials is of fundamental importance. Controlled synthesis and characterization at the atomic level is essential to gain deeper insight into the unique chemical reactivity exhibited by…

We have studied high temperature thermal behavior of 1H, 1H, 2H, 2H-Perfluorooctyl-trichlorosilane (FOTS) and Octyltrichlorosilane (OTS) molecules self assembled on titanium dioxide (TiO2) nanoparticles using advanced microscopy and…

Materials Science · Physics 2014-10-02 P. Prakash , U. Satheesh , D. Devaprakasam

Metasurfaces are planar optical elements that hold promise for overcoming the limitations of refractive and conventional diffractive optics1-3. Dielectric metasurfaces demonstrated thus far4-10 are limited to transparency windows at…

Ab initio calculations within the density-functional theory formalism are performed to investigate the ground state, electric charge doping, and electronic properties of titanium and titanium dioxide monolayers adsorbed on a graphene…

Materials Science · Physics 2013-01-17 Jozef Sivek , Ortwin Leenaerts , Bart Partoens , Francois Peeters

Dependence of structural parameters on the size of nanoparticles is a topic of general interest where the effect of shape is often neglected. We report a comprehensive study on size dependent structural parameters of ZnO nanostructures (NS)…

Materials Science · Physics 2014-03-05 Manoranjan Ghosh , Debjani Karmakar , S. Basu , S. N. Jha , D. Bhattacharyya , S. C. Gadkari , S. K. Gupta

Strain has a crucial effect on the optical and electronic properties of nanostructures. We calculate the atomistic strain distribution in silicon nanocrystals up to a diameter of 3.2 nm embedded in an amorphous silicon dioxide matrix. A…

Mesoscale and Nanoscale Physics · Physics 2009-05-21 Dündar E. Yılmaz , Ceyhun Bulutay , Tahir Çağın

Nanoparticles with different surface morphologies that straddle the interface between two immiscible liquids are studied via molecular dynamics simulations. The methodology employed allows us to compute the interfacial free energy at…

Soft Condensed Matter · Physics 2016-04-27 Sepideh Razavi , Ilona Kretzschmar , Joel Koplik , Carlos E. Colosqui

We have derived and investigated analytical expressions for the spontaneous emission radiative decay rate of an optically active (chiral) molecule placed near a chiral (bi-isotropic) triaxial nanoellipsoid, which size is much smaller than…

Optics · Physics 2018-07-18 Dmitry V. Guzatov , Vasily V. Klimov

The quantum dots of semiconductor display novel and interesting phenomena that have not been in the bulk material. The color tunability is one of the most attractive characteristics in II-VI semiconductor nanoparticles such as CdS, ZnS,…

General Physics · Physics 2012-04-05 M. Alagar , T. Theivasanthi , A. Kubera Raja

Surface structure affects the growth, shape and properties of nanoparticles. In wet chemical syntheses, metal additives and surfactants are used to modify surfaces and guide nanocrystal growth. To understand this process, it is critical to…