4Cohen M L. Calculation of bulk moduli of diamond and zinc-blende solids [ J ]. Phys Rev B, 1985, 32 (12): 7988 - 7991.
5Teter D M, Hemley R J. Low-compressibility carbon nitrides[J]. Science, 1996,271(5245) 53 - 55.
6Kroll P, Hoffmann R. Theoretical tracing of a novel route from molecular precursors through polymers to dense, hard C3N4 solids[J]. J Am Chem Soc, 1999, 121(19) :4696 - 4703.
7Malkow T. Critical observations in the research of carbon nitrides[J]. Materials Science and Engineering A, 2001,292(1) :311 - 324.
8Liu J J, Sekine T, Kobayashi T. A new carbon nitride synthesized by shock compression of organic precursors [J]. Solid State Communications, 2006, 137 (1 - 2) : 21 -25.
9Meyers M A. Dynamic behavior of materials [M]. IS. 1. 3." John Wiley Sons, 1994:238- 240.
10Wada N, Solin S A, Wong J, et al. Raman and IR absorption spectroscopic studies on alpha, beta, and a- morphous Si3 N4 [J]. Journal of Non-Crystalline Solids, 1981,43(1) :7 - 15.