The single-crystal diamond films are grown by the microwave plasma chemical vapor deposition method,as well as the growth mechanism is studied.

Optics microscope and X-ray diffraction(XRD) were used to investigate the solvent metal covering on diamond single crystal synthesized by iron-based alloy catalyst and graphite under different synthesized technics at high temperature and high pressure(HTHP).

Scanning electron microscope(SEM) and Energy Dispersive Spectroscope(EDS) were used to investigate the effects of procedure parameters on the structures and composition of the metallic film covering on diamond single crystal from a graphite-Ni70Mn25Co5 system under high temperature and high pressure(HTHP).

The development of study on synthesizing diamond single crystal,thin film and nanocrystal with un-graphite materials is summarized.

The artificial synthesis and applications of the diamond powders,monocrystalline diamond,diamond film and polycrystalline diamond have been summarized.

Research on Growth Interface of Diamond Crystal under the High Pressure and Temperature Environment;

Industrial applications of vacuum evaporation chromalization for diamond monocrystal;

Auger electronic energy spectrum was applied in the paper to analyze the metallic film surface of growing interface of diamond monocrystal and fine Auger spectrum of adjacent carbon atom,as well as Auger spectrum structure of the surroundings and surface of diamond monocrystal.

Quantitative phase analyses on the diffusing reaction of diamond monocrystal and Ti plating film on its surface by using XPS have been made.

Applications of single crystal diamonds in high-technologies;

Mechanical lapping single crystal diamond;