interface roughness
Dynamic evolution of interface roughness during friction and wear processes
... surface roughness converges to certain level specific to a given ...However, roughness at such dynamic interface is still increasing and analysis of initial roughness influence revealed that ...
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Coherent vertical electron transport and interface roughness effects in AlGaN/GaN intersubband devices
... Fig. 3(a) shows the calculated dephasing times over a range of temperatures between states in the emitter reservoir and the ground and first excited states of the quantized well at V = 0.136 V where the simulations pre- ...
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Coherent vertical electron transport and interface roughness effects in AlGaN/GaN intersubband devices
... Fitted interface rough- ness values indicate high interface quality however sequen- tial tunneling devices were observed to have a significant parallel parasitic current, likely due to ...and ...
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Interwell relaxation times in p-Si/SiGe asymmetric quantum well structures: the role of interface roughness
... the interface quality currently achievable experimentally (with an average step height ≥ 1 ˚ A), interface roughness will dominate all other scattering processes up to about 200 ...of ...
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Simulation of the effect of sub- micron interface roughness on the stress distribution in functionally graded thermal barrier coatings (FG- TBC)
... In this research, a numerical modeling method was utilized to calculate the stresses occurring during the thermal cycling in a functionally graded thermal barrier coating (FG - TBC). The temperature – dependent material ...
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Anisotropy in the hole mobility measured along the [110] and [110] orientations in a strained Ge quantum well
... in interface roughness scattering between the two ...and interface roughness periodicity of k ¼ 7 nm were found while for the ½ 110 orientation, k reduced to 4 nm and D increased to ...
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Application of semi-physical modelling of interface surface roughness in design of pre-stressed microforming dies
... includes roughness of the interface surfaces of the die insert and the shrink ...the interface roughness cannot be disregarded and the classical design of the diameter interference must be ...
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A facile method for the density determination of ceramic thin films using X-ray reflectivity
... size, interface roughness, or film thickness of different samples on the final determined density,.. and has an average measurement error of only 1%[r] ...
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n-Si/SiGe quantum cascade structures for THz emission
... We have considered electron transport in n-Si/SiGe cascade structures, using the rate equations approach and tight-binding expansion, taking the coupling with two nearest-neighbour periods. The acoustic phonon, optical ...
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Electric field enhancement in ceramic capacitors due to interface amplitude roughness
... eliminating interface roughness in MLCCs entirely, it is advisable to minimise the roughness of the electrode layers and any intrusion of the electrode into the ...
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Dependence of the electrical and optical properties on growth interruption in AlAs/In0 53Ga0 47As/InAs resonant tunneling diodes
... of interface roughness in the quantum-well ...face roughness has often been discussed as a factor in determining current through ...surface roughness and interface scattering mechanisms ...
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Low field electron transport in a GaAs/GaAlAs superlattice
... where £ = eE trl/irh. Thus the drift velocity versus field in the growth direction has a maximum at ir£ = 1 and a negative differential velocity (N DV) is predicted when the scattering time or the electric field Ex is ...
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The role of dislocation induced scattering in electronic transport in GaxIn1 xN alloys
... with Ga concentration; therefore, its effect on the mobility becomes more pronounced in this sample. At low tem- peratures, mobility is limited by the same scattering mechanisms as in the other samples. At high tempera- ...
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Experimental Study on Interface Characteristics of Concrete Pavement Based on the Ordinary Maintenance Technology
... of interface. It shows that at room temperature, roughness have an obvious impact on bond performance and that compressive and bending strength of the interface increase with interface ...
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Effect of accelerated aging treatment on a surface property and dynamic mechanical properties of commercial wood-based panels
... Surface roughness, a surface property that is considered as latent, becomes notable when a panel is subjected to conditions that change its properties, such ...surface roughness of wood-based panel products ...
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Liquid Cell Electron Microscopy With the Nanoaquarium: Radiation and Electrochemistry
... electrode-electrolyte interface during copper electrodeposition from an acidified copper solution [31] where we extract the growth front location as a function of ...RMS roughness to iden- tify the growth ...
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Human Roughness Perception and Possible Factors Effecting Roughness Sensation
... Surface texture, i.e. surface topography, is a significant physical property of solid materials (Quevedo & Aguilera, 2004). Surface topography is scale=dependent, visually detectable property which is more often ...
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Insights for the TV Interface from the Mobile Phone Interface
... This model is based on the perspective of development and technology. Developers focus on the appointed date of delivery and quality of their products. From this point of view, the difference between the device ...
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Degree of Roughness of Rough Layers: Extensions of the Rayleigh Roughness Criterion and Some Applications
... Rayleigh roughness parameter is in general (for media indexes of values of same order) lower for the case of transmission than for the case of ...Rayleigh roughness parameter depends on the refractive index ...
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Discharge and location dependency of calibrated main channel roughness: case study on the river Waal and IJssel
... hydraulic roughness along the longitudinal direction of the river can be expressed using multiple roughness ...A roughness trajectory is defined between two observation stations to avoid ...
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