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We report on optical studies of exciton localization and recombination kinetics in two single 2.2 nm thick Al_{x}Ga_{1-x}N/Al_{x+0.1}Ga_{0.9-x}N quantum well structures (x=0.55 and 0.6) grown by plasma assisted molecular beam epitaxy on a c-sapphire substrate. Strong localization potential inherent for both the quantum well and barrier regions results in merging of the quantum well and barrier emission...
The goal of this study is to determine the role of the wind in the Chukchi and Bering Sea in the controlling transport through the Bering Strait. Wind data from 1990-1991 (6 hourly, 2.5??2.5 degree resolution) is analyzed using EOF (Empirical Orthogonal Functions) method. Hourly velocity measurements taken from a mooring station are used as representative average current velocity in the Bering Strait...
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