Dielectric Materials
A perfect dielectric is a material in which there are no free electrical charges, and which therefore does not conduct electricity. Real dielectrics, also known as insulators, are...
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Dielectrics
Dielectrics are non-conductors. Their electric charge will not flow when an electric field is applied, but there will be a displacement of electric charges. This displacement of charges ca...
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Sixty years after transistors were invented and nearly five decades since they were first integrated into silicon chips, the tiny on-off switches dubbed the "nerve cells" of the information age are...
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Widespread interest in surface-enhanced spectroscopy has been rekindled by the development of new fabrication methods for plasmonic materials (1,2), theoretical modeling (3,4), spectroscopic instru...
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In June 1999, LCGC N. Am. published a special supplement that focused on the sample preparation of solids.1 At that time, we covered general methods — supercritical fluid extraction (SFE), p...
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Microporous membrane filtration is the technique often applied to the aseptic processing of drug preparations. This is especially appropriate when the ingredients are heat labile. Certain filter pe...
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Dielectric Materials
Dielectrics
Chip-shrinking may be nearing its limits
