Direct Writing of Lead Zirconate Titanate Piezoelectric Structures by Electrohydrodynamic Atomisation S.A. Rocks, D. Wang, D. Sun, S.N. Jayasinghe, M.J. Edirisinghe, R.A. Dorey. Nanotechnology Centre, Cranfield University, Bedfordshire, UK, Materials Department, Queen Mary, University of London, London, UK, and Mechanical Engineering Department, University College, London, UK. s.rocks@cranfield...

In vitro cytotoxic effects of ZnO, FeO and Cu metallic nanopowders (NPs) on Vero (African green monkey kidney cell line), PK 15 (Pig kidney cell line) and Madin Darby Bovine Kidney (MDBK) cell lines were investigated at different time intervals (24 and 48 h). MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay was used to determine the cytotoxic effects of green synthesized...

Magnetic nanopowders were developed by functionalization of bimagnetic core@shell nanoparticles with cysteine (CoFe2O4@ɣ-Fe2O3@Cys), which present a core high saturation magnetization (CoFe2O4) combined shell long-term chemical stability (ɣ-Fe2O3) and sorptive L-cysteine layer. Samples two different mean sizes elaborated characterized XRD, TEM, FTIR, SER, zetametry SQUID magnetometry. The adsor...

Article history: Received: 14.3.2013. Received in revised form: 23.12.2013. Accepted: 23.12.2013. This paper presents the microstructure, hardness and elastic modulus of Sn58Bi, Sn57Bi1Ag and Ag nanopowders reinforced Sn58Bi composite solders. Microstructural observations reveal that the Ag nanopowders reinforced Sn58Bi composite solders have smaller grains of Ag3Sn and a more uniform Ag3Sn dis...

The fabrication of manganese oxide-carbon composite microspheres with open nanochannels and their electrochemical performance as anode materials for lithium ion batteries are investigated. Amorphous-like Mn3O4 nanoparticles embedded in a carbon matrix with three-dimensional channels are fabricated by one-pot spray pyrolysis. The electrochemical properties of the Mn3O4 nanopowders are also compa...

High speed directional etching of non conventional materials like Quartz, Lithium Niobate and Lead Titanate is still insufficiently developed for producing high aspect ratio microstructures. Compared to deep silicon etching, the plasma etching of these materials has suffered from limitations in achievable depth, aspect ratio, verticality and smoothness of surfaces. Deep etching with nearly vert...

We report the first instance of deposition of preferentially oriented, nanocrystalline, and nanocolumnar strontium-doped lead zirconate titanate (PSZT) ferroelectric thin films directly on thermal silicon dioxide. No intermediate seed or activation layers were used between PSZT and silicon dioxide. The deposited thin films have been characterised using a combination of diffraction and microscop...

Microstructure and electric properties of lead lanthanum titanate thin film under transverse electric fields Z. T. Song Department of Applied Physics and Materials Research Center, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China and State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Metallurgy, Chinese Academy of Sciences, 865 Changning...