On the microscopic structure of the EL6 defect in GaAs

作者: Th. Steinegger , B. Gründig-Wendrock , M. Jurisch , J.R. Niklas

DOI: 10.1016/S0921-4526(01)00799-2

关键词: Annealing (metallurgy)Infrared spectroscopyDefect engineeringSemiconductor materialsMaterials scienceAtomic physicsLaser scatteringPositron annihilationCondensed matter physics

摘要: Abstract Among the intrinsic defects in GaAs EL6 gains more attention due to its properties as a non-radiative recombination centre. Also, for an efficient defect engineering atomistic structure becomes important question. There are many suggestions this literature, however, nothing definite is known so far. From combination of results from PICTS experiments measure concentration, positron annihilation, infrared absorption and laser scattering tomography arguments put forward which point AsGa–VAs EL6.

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