Highly oriented a-axis BaTiO3 thin films were grown by pulsed laser deposition on ~001! MgO substrates. The full width at half-maximum of the ~200! BaTiO3 rocking curve was as narrow as 0.6°. A large hysteretic quadratic electro-optic effect was observed in a transverse geometry at 6328 Å. A birefringence shift up to 3310 was measured at an applied dc electric field of 1 kV/mm. It was found tha...

Abstract In this work, copper oxide (CuO) film was prepared by electrochemical deposition technique on commercial indium-tin oxide/glass substrate with two electrode configuration. The precursor solution the 0.1 molar aqueous of sulfate. films were at different times 30 to 120 second. Then, deposited annealed 450 °C achieve CuO film. influence electro-deposition voltage and structural property,...

This paper reports for the first time a planarised optical fiber composite formed using Flame Hydrolysis Deposition (FHD). As a way of format demonstration a Micro-Opto-Electro-Mechanical (MOEMS) hot wire anemometer is formed using micro-fabrication processing. The planarised device is rigidly secured to a silicon wafer using optical quality doped silica that has been deposited using flame hydr...

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A microhotplate array comprising four 100 μm × 100 μm unit cells has been designed. It has a multi-layer structure: Sithermal oxide-polySi-PECVD (plasma enhanced chemical vapour deposition) oxide-Sputtered Pt-Gas sensing film (SnO2). Electro-thermal simulation of the unit cell has been carried out using ANSYS. The simulations show that for an applied bias of 4 V a mean temperature of 706oC is o...

Carbon nanotube paper, sometimes referred to as bucky paper, is a random arrangement of carbon nanotubes meshed into a single robust structure, which can be manipulated with relative ease. Multi-walled carbon nanotubes were used to make the nanotube paper, and were subsequently modified with platinum using an electroless deposition method based on substrate enhanced electroless deposition. This...

Due to their excellent physical and mechanical properties, third-generation super-hard semiconductor materials (such as SiC, GaN) are used widely in the field of microelectronics. However, due its ultra-high hardness, machining is very difficult, which has become bottleneck development. Slicing first procedure that directly affects subsequent process. Fixed abrasive diamond wire saw (DWS) been ...