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STEM Characterization of Metal Clusters In/On Oxides
Dispersed metal clusters in or on a support matrix are key phenomena in many technological fields. Two widely used examples of them are supported-metal clusters in heterogeneous catalysts and transition metal clusters in diluted magnetic semiconductors (DMS). The catalytic activity and selectivity of catalysts depend sensitively on structure parameters like particles size and shape. With the same analogy, the magnetic properties of DMS oxides are sensitively related to the crystal defects of the host material as a consequence of doping the metal. Therefore it is essential to understand the correlation between nanostructure and function of the materials. Z-contrast imaging is the best candidate for the related study because of a high degree of resolution it provides and the unique ability it offers to detect and differentiate the clusters and oxide matrix due to the difference their atomic numbers. Moreover the development in the STEM field fosters the conjugation of Electron Energy Loss Spectroscopy (EELS) and Z-contrast imaging and their widespread use for nearly atomic level chemical analysis at interface, second phases, and isolated defects.
Catalysis By Gold
Gold has traditionally been regarded as inactive as a catalytic metal. However, the advent of nanoparticulate gold on high surface area oxide supports has demonstrated its high catalytic activity in many chemical reactions. Gold is active as a heterogeneous catalyst in both gas and liquid phases, and complexes catalyse reactions homogeneously in solution. Many of the reactions being studied will lead to new application areas for catalysis by gold in pollution control, chemical processing, sensors and fuel cell technology. This book describes the properties of gold, the methods for preparing gold catalysts and ways to characterise and use them effectively in reactions. The reaction mechanisms and reasons for the high activities are discussed and the applications for gold catalysis considered./a
Catalysis by Ceria and Related Materials
The book follows the 2002 edition of Catalysis by Ceria and Related Materials, which was the first book entirely devoted to ceria and its catalytic properties. It covers fundamental and applied aspects of the latest advances in ceria-based materials with a special focus on structural, redox and catalytic features of nano-engineered systems. In addition, it presents recent advances of traditional large-scale applications of ceria in catalysis, such as the treatment of emissions from mobile sources (including diesel and gasoline engines).
Transmission Electron Energy Loss Spectrometry in Materials Science and the EELS Atlas
This book/CD package provides a reference on electron energy loss spectrometry (EELS) with the transmission electron microscope, an established technique for chemical and structural analysis of thin specimens in a transmission electron microscope. Describing the issues of instrumentation, data acquisition, and data analysis, the authors apply this technique to several classes of materials, namely ceramics, metals, polymers, minerals, semiconductors, and magnetic materials. The accompanying CD-ROM consists of a compendium of experimental spectra.
Catalytic Chemistry
This text aims to present catalysis in a coherent, unified and easy-to-teach manner. The subject traditionally appears as fragments in courses such as chemical reaction engineering, chemical engineering, kinetics, organometallic chemistry and physical chemistry.
Progress in Inorganic Chemistry, Volume 15
This comprehensive series of volumes on inorganic chemistry provides inorganic chemists with a forum for critical, authoritative evaluations of advances in every area of the discipline. Every volume reports recent progress with a significant, up-to-date selection of papers by internationally recognized researchers, complemented by detailed discussions and complete documentation. Each volume features a complete subject index and the series includes a cumulative index as well.
