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Highly ordered diamond/Au nanocomposite structures were fabricated by preparing a honeycomb structured diamond film and subsequent Au deposition into holes by vacuum deposition. The cross-sectional SEM image of the composite film showed Au nanodots at the bottom of the holes. The optical absorption spectrum of the composite film showed a characteristic absorption due to the surface plasmon resonance at the wavelength of ~520 nm, indicating the possible application of honeycomb diamond in optoelectronics.
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Masuda et al. (2000) studied this question.
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