The absorption of microwave energy by ceramic materials is an elusive topic. the advantages of microwave processing indicate that this is one of the most important new directions in materials science, however, the theory behind the physical mechanisms has been lagging. This study combines quantum molecular orbital theory with the theory of the coupled oscillator to indicate a possible microwave absorption mechanism. The AM1 semi-empirical quantum molecular orbital (MO) models of water, silica, and silicon carbide are presented to support the hypotheiss that coupled molecular vibrations absorb microwave energy directly. The Quantum coupled Oscillator Model appears to predict the primary microwave absorption features of these materials.
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