Properties of diamond

Table 3. Properties of Diamond and Synthetic Gemstone Materials ...

Not all of the properties of diamond are considered here, and additional information and qualifications are available (9,14—19). 

Table 1. Mechanical Properties of Diamond and Other Hard Materials, GPa ...

R. Berman, ed.. Physical Properties of Diamond, Clarendon Press, Oxford, 1965. 

R. M. Chrenko and H. M. Strong, Physical Properties of Diamond, General Electric Research and Development Report No. 75CRD089, Oct. 1975, pp. 

Erdemir, A., The Role of Hydrogen in Tribological Properties of Diamond-Like Carbon Films," Surf. Coat. Technol., Vol. 146/147,2001, pp. 292-297. 

It is outside the scope of this Chapter to undertake a comprehensive review of structure-property relationships for the different forms of carbon. However, a limited comparison of properties is useful for illustrating the influence of chemical bonding upon the properties of diamond, graphite and Buckminsterfullerene, Qo, Table 4. Carbynes are omitted from the comparison since insufficient is known of their properties. 

Mechanical properties of diamond-like carbon (DLC)thin films... 

V. Anita, T. Butuda, T. Maeda, K. Takizawa, N.Saito, 0. Takai, Effect of N doping on properties of diamond-like carbon thin films produced by RF capacitively coupled chemical vapor deposition from different precursors., Diamond and Related Materials, vol. 13, pp. 1993-1996, 2004. 

Cubic BC2N. Hetero-diamond B C—N compounds have recently received a great interest because of their possible applications as mechanical and optical devices. The similar properties and structures of carbon and boron nitrides (graphite and hexagonal BN, diamond, and cubic BN) suggested the possible synthesis of dense compounds with all the three elements. Such new materials are expected to combine the best properties of diamond (hardness) and of c-BN (thermal stability and chemical inertness). Several low-density hexagonal phases of B,C, and N have been synthesized [534] while with respect to the high-density phases, different authors report contradictory data [535-538], but the final products are probably solid mixtures of c-BN and dispersed diamonds [539]. 

J. E. Field, Properties of Diamond, Academic Press, London, 1979. 

F. C. Frank and A. R. Lang, X-ray topography of diamond, in Physical Properties of Diamond, ed. R. Berman, Oxford, Clarendon Press, 1965, pp. 69-115... 

Mechanical Properties. Measurement of the mechanical properties of diamond is complicated, and references should be consulted for the various qualifications (7,34). Table 1 compares the theoretical and experimental bulk modulus of diamond to that for cubic BN and for SiC (29) and compares the compressive strength of diamond to that for cemented WC, and the values for the modulus of elasticity E to those for cemented WC and cubic BN. 

Brooks C. A., 1979, Indentation hardness, in J. E. Field (Ed.) 7Tie Properties of Diamond, Academic Press, London, 383-402. 

List three properties of diamond, and account for them in terms of structure and bonding. 

This application arises from another important property of diamond its ability to conduct heat about four times better than either copper or silver. 

The differences in the physical properties of diamond and graphite are because of the manner in which the carbon atoms are arranged. Their chemical properties, however, are the same. They both bum in air to form carbon dioxide. They are allotropes of carbon. 

Catledge, S., and Vohra, Y., Effect of nitrogen addition on the microstructure and mechanical properties of diamond films grown using high-methane concentrations. /. App. Phys. 86 (1), 698-700 (1999). 

Impedance Spectroscopy and Semiconductor Properties of Diamond Electrodes. 224... 

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