Dielectric property of thick freestanding diamond films by high power arcjet operating at gas recycling mode

Lu, Fan Xiu; Zhang, H.D; Tong, Yu; Yang, Jingjing; Li, C.M; Chen, G.C; Tang, Wenting

doi:10.1016/j.diamond.2004.02.011

Cited by 10 publications

(2 citation statements)

References 12 publications

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“…It should be remembered that the function tan ␦ is a measure of the ratio of the power dissipated in the dielectric to the power stored, implying low numbers are desirable. Lu et al 12 investigated the dielectric properties of very large grain thick freestanding diamond films ͑0.3-1.5 mm͒. Over the frequency range we have investigated here they observed an increasing value of tan ␦ from 0.05 to 0.085, while in our case the trend in the data is the opposite.…”

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confidence: 42%

Electrical properties of aggregated detonation nanodiamonds

Bevilacqua¹,

Patel²,

Chaudhary³

et al. 2008

Applied Physics Letters

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Nanometer-scale diamonds formed using a detonation process are an interesting class of diamondmaterials. Commercially supplied material is highly aggregated with???5nm diamond crystals forming particles with micron sizes. Previous models have suggested that nondiamond carbon is incorporated between the crystals, which would reduce the electrical and chemical usefulness of this form of diamond. However, using impedance spectroscopy we have shown that at temperatures below350??C the form of detonation nanodiamond being studied is a near to ideal dielectric, implying a full sp 3 form. At temperatures above this the surfaces of the diamond crystals may support some nondiamond carbo

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