Phase transitions of substances under pressure, growth of crystals, HPHT processing of diamonds, hydrothermal synthesis.
Main publications:
N.A. Nikolaev, L.G. Khvostantsev, V. E. Zinovev, A.A. Starostin, “Issledovanie prevrascheniya mezhdu dvoinoi GPU i GTsK kristallicheskimi reshetkami v Nd v oblasti vysokikh davlenii i temperatur”, Zhurnal ekperimentalnoi i teoreticheskoi fiziki, 91:3(9) (1986), 1001–1006
L.M. Lytyagina, T.I. Dyuzheva, N.A. Nikolaev, N.A. Bendeliani, “Hydrothermal crystal growth of stishovite (SiO2)”, J. Cryst. Growth, 222 (2001), 627–629
