ALD Al2O3/GaAs and Al2O3/In0.2Ga0.8As MOS and source-drain implanted MOSFET structure were fabricated and characterized by capacitance-voltage (CV) and current-voltage (I-V) measurements. It is shown that, after high-temperature anneal, the MOS leakage current density of the thinner (16nm) film is much higher than that of the thicker (30nm) film. The highquality Al2O3 (30nm)/In0.2Ga0.8As interf...

Ž . Ž New mechanisms of formation of large-scale more than 100–200 m and small-scale about 1 . cm inhomogeneities in spatial distributions of aerosols, droplets and gaseous admixtures are discussed. The large-scale inhomogeneities are formed in the vicinity of the temperature inversion layers due to excitation of the large-scale instability. This effect is caused by additional nondiffusive turb...

in this work, we have calculated the joule-thomson inversion curve of two important associating fluids, namely water and methanol, from the saft equation of state. comparisons with the available experimental data, for water and methanol indicate that this molecular based equation of state gives good prediction of the low temperature branch; but, unfortunately, due to lack of isenthalpic data fo...

conductance to heat transfer (gbH) and water vapor transfer (gbV) in foliated branches of Abies amabilis Dougl. ex J. Forbes, a subalpine forest tree that produces clumped shoot morphology on sun-formed branches. Boundary layer conductances estimated in the field from energy balance measurements increased linearly from approximately 10 mm s−1 at low wind speeds (< 0.1 m s−1) to over 150 mm s−1 ...

Pollutants are trapped and accumulate within cold-air pools, thereby affecting air 5 quality. A numerical model is used to quantify the role of cold-air-pooling processes in 6 the dispersion of air pollution in a developing cold-air pool within an alpine valley under 7 decoupled stable conditions. Results indicate that the negatively buoyant downslope flows 8 transport and mix pollutants into t...

[1] A large-eddy simulation model is used to examine the impact of the intense cross-inversion wind shear on the stratocumulus cloud structure. The wind shear enhanced entrainment mixing effectively reduces the cloud water and thickens the inversion layer. It leads to a reduction of the turbulence kinetic energy (TKE) production in the cloud layer due to the weakened cloud-top radiative cooling...

Formation of a centrally peaked profile of the ion temperature by impurity seeding has been observed in all the largest tokamaks: JET, JT-60U, TFTR. A possible explanation of this phenomenon is proposed, which takes into account the suppression of ion temperature gradient instability induced anomalous transport through increasing ion effective charge Zeff and Doppler shift of unstable modes, S⊥...

The Rayleigh lidar data collected on 119 nights from March 1998 to February 2000 were used to study the statistical characteristics of the low latitude mesospheric temperature inversion observed over Gadanki (13.5 N, 79.2 E), India. The occurrence frequency of the inversion showed semiannual variation with maxima in the equinoxes and minima in the summer and winter, which was quite different fr...

Poor adhesion between two successive bituminous layers causes adverse effects on the structural strength of the pavement and develops a numbers of premature failure. To improve the adhesion, it is a general practice to apply a tack coat over an existing or newly constructed bituminous surface before laying another bituminous layer. The main objective of this study is to explore the influence of...