Published online by Cambridge University Press: 28 February 2011
Examples of the effects of microwave processing are presented that suggest that microwave ‘heating’ creates higher excitation levels and increased chemical and physical reactions within a material than would be expected if the only change that had been produced by the microwaves was a rise in temperature. The examples include a chemical coal-cleaning process. the destruction of coronene in alcohol, heating of high-temperature superconducting compounds. and a microwaveinduced photovoltaic effect.