？ MO S D, OUYANG L, CHING W Y, et al. Interesting properties of new spinel phase of Si3N4 and C3N4 [J]. Phys Rev Lett, 1999, 83: 5046–5049.
[2]
？ SEKINE T, HE H, KOBAYASHI T, et al. Shock-induced transformation of β-Si3N4 to a high-pressure cubic-spinel phase [J]. Appl Phys Lett, 2000, 76(25): 3706–3708.
[3]
？ JIANG J Z, STAHL K, BERGE R W, et al. Structural characterization of cubic silicon nitride [J]. Europhys Lett, 2000, 51(1): 62–67.
[4]
？ SCHWARZ M, MIEHE G, ZERR A, et al. Spinel-Si3N4: multi-anvil press synthesis and structural refinement [J]. Adv Mater, 2000, 12: 833–887.
[5]
？ JIANG J Z, KRAGH F, FROST D J, et al. Hardness and thermal stability of cubic silicon nitride [J]. J Phys: Condens Matter, 2001, 13: 515–L520.
[6]
？ SARIN V K. On the α to β phase transformation in silicon nitride [J]. Mater Sci Eng, 1988, 105(106): 151–157.
[7]
？ AKASHI T, SAWAOKAKA A B. Dynamic compaction of Si3N4 power [J]. J Mater Sci, 1987, 22(3): 1031–1037.
[8]
？ KRUGER M B, NGUYEN J H, LI Y M, et al. Euation of state of α-Si3N4 [J]. J Phys Rev B, 1997, 55(6): 3456–3460.
[9]
？ HWANG C J, TIEN T Y. Microstructural development in silicon nitride ceramics [J]. Mater Sci Forum, 1989, 47: 84–109.
[10]
？ MAMOR U M, GUNTER P. Recent progress in silicon nitride and silicon carbide ceramics [J]. MRS Bull, 1995, 20(2): 19–21.
[11]
？ GAO L, YANG H T, YUAN R Z, et al. Sintering and microstructure of silicon nitride with magnesia and cerium additives [J]. J Mater Process Technol, 2001, 115: 298.
[12]
？ ZERR A, IEHE G, SERGHIOU G, et al. Synthesis of cubic silicon nitride [J]. Nature, 1999, 400: 340–342.
[13]
？ BROOK R J. Superhard ceramics [J]. Nature, 1999, 400: 312–315.
