Metallic nanoparticles display fascinating properties that are
quite different from those of individual atoms, surfaces or bulk
rmaterials. They are a focus of interest for fundamental science
and, because of their huge potential in nanotechnology, they are
the subject of intense research effort in a range of disciplines.
Applications, or potential applications, are diverse and
interdisciplinary. They include, for example, use in biochemistry,
in catalysis and as chemical and biological sensors, as systems for
nanoelectronics and nanostructured magnetism (e.g. data storage
devices), where the drive for further miniaturization provides
tremendous technological challenges and, in medicine, there is
interest in their potential as agents for drug delivery.
The book describes the structure of metallic nanoparticles, the
experimental and theoretical techniques by which this is
determined, and the models employed to facilitate understanding.
The various methods for the production of nanoparticles are
outlined. It surveys the properties of clusters and the methods of
characterisation, such as photoionization, optical spectroscopy,
chemical reactivity and magnetic behaviour, and discusses
element-specific information that can be extracted by
synchrotron-based techniques such as EXAFS, XMCD and XMLD. The
properties of clusters can vary depending on whether they are free,
deposited on a surface or embedded in a matrix of another material;
these issues are explored. Clusters on a surface can be formed by
the diffusion and aggregation of atoms; ways of modelling these
processes are described. Finally we look at nanotechnology and
examine the science behind the potential of metallic nanoparticles
in chemical synthesis, catalysis, the magnetic separation of
biomolecules, the detection of DNA, the controlled release of
molecules and their relevance to data storage.
The book addresses a wide audience. There was a huge development of
the subject beginning in the mid-1980s where researchers began to
study the properties of free nanoparticle and models were developed
to describe the observations. The newcomer is introduced to the
established models and techniques of the field without the need to
refer to other sources to make the material accessible. It then
takes the reader through to the latest research and provides a
comprehensive list of references for those who wish to pursue
particular aspects in more detail. It will also be an invaluable
handbook for the expert in a particular aspect of nanoscale
research who wishes to acquire knowledge of other areas.
The authors are specialists in different aspects of the subject
with expertise in physics and chemistry, experimental techniques
and computational modelling, and in interdisciplinary research.
They have collaborated in research. They have also collaborated in
writing this book, with the aim from the outset of making it is a
coherent whole rather than a series of independent loosely
connected articles.
* Appeals to a wide audience
* Provides an introduction to established models and techniques in
the field
* Comprehensive list of references
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