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The density of the gap states in undoped and phosphorus and antimony doped a-Si:H has been determined from the absorption coefficient measurement. A constant photocurrent method was used to determine the value of optical absorption in t...

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Direct measurements of optical gain in semiconductors give information on the stimulated recombination process that cannot be easily obtained from an oscillating semiconductor laser. Cheap Jordan Shoes Canada The effects of various mate...

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It is intuitively clear that putting the cart before the horse is not the same as putting the horse before the cart. It is equally clear that a history of philosophy is different from a philosophy of history. Yet there is no logical rel...

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This article investigates the dynamics and the international distribution of vertical specialization (VS) - the use of imported inputs to produce goods that are afterwards exported. We propose a relative measure of VS-based trade that c...

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Magnetic colloids with nanoparticles inside have been successfully fabricated by laser ablation of a cobalt target immersed in solutions, using an Nd:YAG laser at wavelengths of 532 and 1064 nm. The liquid environment allows format...

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