Article - 10 Mar 2004
Philips Research have displayed their new FluidFocus lens. The FluidFocus lens system is a variable focus lens that overcomes many of the shortcomings of conventional fixed focus camera lenses. How...
Article - 11 Jan 2006
This paper reports on a sol–gel method for the deposition of red, green and blue PMMA-SiO2 hybrid films on glass substrates. The colored hybrid films are composed of a homogeneous organic-inorganic...
Article - 14 Nov 2005
This work reports on a simple chemical method based on ion exchange for the synthesis of PbS nanoparticles in zeolite Na-X. The PbS nanoparticles have spherical shape and the crystalline structure of...
Article - 11 Aug 2004
Researchers at the Hebrew University of Jerusalem have developed gold-tipped nanocrystals or nanodumbells. These could be used as building blocks for nanotechnology based electrononics, transistirs...
Article - 7 Nov 2001
Glass is term used to describe various non-crystalline solids. It encompasses materials such as vitreous silica, sodium silicate, crystal, borosilicate, opal, phosphate and chalcogenide glasses as...
Article - 25 Oct 2018
This article discusses how to evaluate the optical properties of natural gemstones and diamonds.
Article - 27 Dec 2010
Ceramic materials based on perovskite-like oxides are of significant interest because of their applications in electrical and electronic devices.
Article - 31 Mar 2006
The optical properties of palladium (Pd) / yttrium (Y) double-layered thin films have been investigated to realize an optical hydrogen sensor with high sensitivity at room temperature. Compared with...
Article - 11 Jan 2002
Two main types of titanium dioxide are used industrially, rutile and anatase. Due to poor mechaincal properties they are generally used for optical properties as pigments for paints, plastics, ceramic...
Article - 26 Mar 2018
Germanene was synthesized in 2014, containing a single layer of geranium atoms. Here we look at its electronic and optical properties.