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

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This review work focuses on the milling process of titania (TiO2) nanopowder. TiO2 is a naturally available material. It is an inorganic semi-conducting oxide of titanium metal. Titanium oxide, titanium dioxide, and titanium (IV) oxide are…

Materials Science · Physics 2017-04-05 T. Theivasanthi

Titanium surface treated with titanium oxide nanotubes was used in many studies to quantify the effect of surface topography on cell fate. However, the predicted optimal diameter of nanotubes considerably differs among studies. We propose a…

Cell Behavior · Quantitative Biology 2020-07-02 Matej Daniel , Kristina Eleršič Filipič , Eva Filová , Jaroslav Fojt

We study the adhesion of poly(3-hexylthiophene) on nanostructured titania surface in vacuo by means of model potential molecular dynamics. We generate large scale atomistic models of nanostructured titania surfaces (consisting of spherical…

Materials Science · Physics 2010-06-30 Claudio Melis , Alessandro Mattoni , Luciano Colombo

In the present review we try to give a comprehensive and most up to date view to the field, with an emphasis on the currently most investigated anodic TiO2 nanotube arrays. We will first give an overview of different synthesis approaches to…

Materials Science · Physics 2016-10-18 Kiyoung Lee , Anca Mazare , Patrik Schmuki

Phase transition from anatase to rutile for the 70nm TiO2 crystallite has been investigated by annealing at different temperatures followed by TDPAC measurement of these TiO2 crystallites adsorbed with 181Hf tracer. The width of the peaks…

Materials Science · Physics 2009-05-11 S. K. Das , D. Banerjee , S. V. Thakare , P. Y. Nabhiraj , R. Menon , R. K. Bhandari , K. Krishnan

The specific mechanisms which leads to the formation of fractal nanostructures by pulsed laser deposition remain elusive despite intense research efforts, motivated mainly by the technological interest in obtaining tailored nanostructures…

Mesoscale and Nanoscale Physics · Physics 2016-02-23 G. L. Celardo , D. Archetti , G. Ferrini , L. Gavioli , P. Pingue , E. Cavaliere

To understand the origin of the dunes on Titan, it is important to investigate the material properties of Titan's organic sand particles on Titan. The organic sand may behave distinctively compared to the quartz/basaltic sand on terrestrial…

Earth and Planetary Astrophysics · Physics 2018-01-31 Xinting Yu , Sarah M. Hörst , Chao He , Patricia McGuiggan , Nathan T. Bridges

Anatase TiO2 (a-TiO2) exhibits a strong X-ray absorption linear dichroism with the X-ray incidence angle in the pre-edge, the XANES and the EXAFS at the titanium K-edge. In the pre-edge region the behaviour of the A1-A3 and B peaks,…

To investigate excess-hydrolysis of titanium alkoxides, TiO2 powders were fabricated from titanium-tetra-isopropoxide using 6:1 and 100:1 H2O:Ti (r) ratios. Powders were dried and fired at a range of temperatures ( up to 800 C).…

Materials Science · Physics 2014-10-31 Dorian A. H. Hanaor , Ilkay Chironi , Inna Karatchevtseva , Gerry Triani , Charles C. Sorrell

Nanotubes show great promise for miniaturizing advanced technologies. Their exceptional physical properties are intimately related to their morphological and crystal structure. Circumferential faceting of multiwalled nanotubes reinforces…

Mesoscale and Nanoscale Physics · Physics 2022-06-15 Itai Leven , Roberto Guerra , Andrea Vanossi , Erio Tosatti , Oded Hod

Band alignment effects of anatase and rutile nanocrystals in TiO$_2$ powders lead to an electron hole separation, increasing the photo catalytic efficiency of these powders. While size effects and types of possible alignments have been…

This paper is devoted to present the results of creation of gold nanoparticles on titanium surface. We focused on the problem how to create gold nanoparticles on the titanium surface with defined particle size and distribution, which could…

Materials Science · Physics 2017-01-09 I. Csarnovics , P. Hajd , S. Biri , Cs. Hegedűs , S. Kokényesi , R. Rácz , A. Csik

Topological insulator surface properties are strongly correlated to structural properties, requiring high-resolution techniques capable of probing both surface and bulk structures at once. In this work, high flux of synchrotron source,…

Materials Science · Physics 2017-01-02 Sérgio L. Morelhão , Celso I. Fornari , Paulo H. O. Rappl , Eduardo Abramof

Nanoporous structures play a promising role in the development of nanomechanical, nanoelectrical and biosensing devices. In addition, nanopores can be utilized as chemical and gas sensors. TiO2 is a semiconductor material, which can have a…

Materials Science · Physics 2012-07-30 Subhasish Chatterjee , Miriam Ginzberg , Bonnie Gersten

We report on the systematic investigation of the role of surface nanoscale roughness and morphology on the charging behaviour of nanostructured titania (TiO2) surfaces in aqueous solutions. IsoElectric Points (IEPs) of surfaces have been…

Mesoscale and Nanoscale Physics · Physics 2017-06-21 F. Borghi , V. Vyas , A. Podestà , P. Milani

The wealth of properties of titanium dioxide relies on its various polymorphs and on their mixtures coupled with a sensitivity to crystallographic orientations. It is therefore pivotal to set out methods that allow surface structural…

The recent identification of strongly bound excitons in room temperature anatase TiO$_2$ single crystals and nanoparticles underscores the importance of bulk many-body effects in samples used for applications. Here, for the first time, we…

Mesoscale and Nanoscale Physics · Physics 2018-01-16 Edoardo Baldini , Tania Palmieri , Enrico Pomarico , Gerald Auböck , Majed Chergui

In the present work we investigate various optical properties (such as light absorption and reflectance) of anodic TiO2 nanotubes layers directly transferred as self-standing membranes onto quartz substrates. This allows investigation in a…

Materials Science · Physics 2016-10-18 Gihoon Cha , Patrik Schmuki , Marco Altomare

Highly crystalline UO2 nanoparticles (NPs) with sizes of 2-3 nm were produced by fast chemical deposition of uranium(IV) under reducing conditions at pH 8-11. The particles were then characterized by microscopic and spectroscopic techniques…

We investigated the growth of titanium oxide two-dimensional (2D) nanostructures on Au(111), produced by Ti evaporation and post-deposition oxidation. Scanning tunneling microscopy and spectroscopy (STM and STS) and low-energy electron…

Materials Science · Physics 2016-12-21 F. Tumino , P. Carrozzo , L. Mascaretti , C. S. Casari , M. Passoni , S. Tosoni , C. E. Bottani , A. Li Bassi