GAAS SINGLE CRYSTALS MARKET: DEVELOPMENT TRENDS

Market Trends 2004: Enterprise Single Sign-On

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Rosette Microstructure in Indented (001) GaAs Single Crystals and the a /b Asymmetry

The characteristic features of the dislocation microstructure that develops around indentations performed at room temperature on (001) GaAs single crystals are analysed by High Voltage Transmission Electron Microscopy. It is shown that perfect rosette dislocations (with Burgers vector parallel to the surface) are nucleated deeply in the crystal and never merge at the sample surface. Perpendicul...

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Hopping Conductivity in Single Crystals (Cd0.6Zn0.32Mn0.08)3As2 (RESEARCH NOTE)

The growth processes of Tetragonal single crystals of solid solution (Cd0.6Zn0.32Mn0.08)3As2, space group P42/nmc, has been synthesized by Bridgman method. Conductivity and magnetoresistance of (Cd0.6Zn0.32Mn0.08)3As2 were measured in the range 1.6K to 300K and in magnetic field up to 25 T. Crossover from Mott variable-range-hopping conductivity mechanism close to helium temperatures. In this w...

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