Nanostructures in a new league

Article Abstract:

A study based on Aperiodic materials that are among the technologically most interesting nanoscale materials that do not surrender details of their structure as readily as do their crystalline counterparts is presented. Strategies such as the Liga algorithm could be extended significantly by including known structural information based on a system's physical and chemical properties or knowledge derived from theory and computational material science.

United States, Nanotechnology

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View from the edge

Article Abstract:

Secondary ion mass spectroscopy (SIMS) can be used to generate ions from a material's surface, with the most useful information generated when poyatomic or 'cluster-ion' beams are used to achieve an increased yield of high-molecular-weight fragments. Two new cluster ion sources have been developerd using a C60 (fullerene) ion source and the other using a gold-cluster liquid metal ion gun.

Ion Mass Spectroscopy, Methods, Mass spectrometry, Ion sources

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Magnetization distribution in the mixed-phase state of hole-doped manganites

Article Abstract:

Research has been conducted on mixed-phase state of hole-doped manganites. The authors describe the use of electron microscopy in investigating magnetic microstructure and development of ferromagnetic domains in this mixed-phase state, and they report that the magneic flux is closed within the ferromagnetic regions in the absence of magnetic field.

Japan, Photo-Electron Spectroscopy, Magnetic fields, Ferromagnetism, Electron spectroscopy, Properties, Electromagnetism

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