This paper reviews the current status of research in nanocrystal memory and focuses on its materials, fabrication, structures, and treatment methods to provide an in-depth perspective of state-of-the-art nanocrystal memory.
04 January 2012
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For the first time, a silicon nitride/carbon nanotubes microgear is electrically discharge machined with a remarkably high material removal rate, low surface roughness, and low tool wear.
10 October 2011
Applications of colloidal semiconductor quantum dots (QDs) have recently begun to move from the laboratory into the commercial sector. This article provides a brief description of QDs and their associated optical properties, highlighting the concept that QD size is now a parameter used to tune photophysical properties.
23 August 2011
Exploration of the Stranski-Krastanow growth of strained semiconductor heterostructures marked the major breakthrough for easy fabrication of defect-free quantum dots (QDs). For the first time, single QDs are facilitating the development of electrically operated emitters of single polarized or entangled photons on demand: an essential component for quantum communication systems.
23 August 2011
The absence of an optimal nano-sized reference material has been the biggest obstacle in evaluating the safety of carbon nanotubes as biomaterials.
23 August 2011
Carbon nanotubes and graphene are both low-dimensional sp2 carbon nanomaterials exhibiting many unique physical and chemical properties that are interesting in a wide range of areas including nanomedicine.
08 July 2011
Over the last several years, a significant share of the scientific community has focused its attention on the hydrogen storage problem. Since 1997, when carbon nanotubes appeared to be a promising storage material, many theoretical and experimental groups have investigated the hydrogen storage capacity of these carbon nanostructures.
08 July 2011
Nanotechnology has given scientists new tools for the development of advanced materials for the detection and diagnosis of disease. In particular, superparamagnetic iron oxide nanoparticles (SPIONs) have been extensively investigated as novel magnetic resonance imaging (MRI) contrast agents due to a combination of favorable superparamagnetic properties, biodegradability, and surface properties.
08 July 2011
Today polymer/carbon nanotube (CNT) composites can be found in sports equipment, cars, and electronic devices. The growth of old and new markets in this area has been stimulated by our increased understanding of relevant production and processing methods, as well as the considerable price reduction of industrial CNT grades.
08 July 2011
The preservation of waterlogged archaeological wooden finds, such as Henry VIII's flagship the Mary Rose, is complicated by the biological, chemical, and mechanical changes induced from prolonged exposure to a marine environment. Of particular concern are sulfur species that form acidic compounds that attack wood. Here we show that different sulfur compounds do not form acids at the same rate or pathway and propose a preservation strategy of applying SrCO3 nanoparticles.
08 July 2011