搜索结果: 1-15 共查到“理学 thin film”相关记录30条 . 查询时间(0.125 秒)
Scientists have greatly expanded the range of functional temperatures for ferroelectrics, a key material used in a variety of everyday applications, by creating the first-ever polarization gradient in...
The thin film equation with non zero contact angle:A singular perturbation approach
thin film equation non zero contact angle singular perturbation approach
2015/10/15
In this paper we prove the existence of weak solutions for the thin film equation with prescribed non zero contact angle and for a large class of mobility coefficients, in dimension 1. The existence o...
Exciton transport in thin-film cyanine dye J-aggregates
Exciton transport thin-film cyanine dye J-aggregates
2012/2/29
We present a theoretical model for the study of exciton dynamics in J-aggregated monolayers of fluorescent dyes. The excitonic evolution is described by a Monte-Carlo wave function approach which allo...
Organic thin-film transistors with reduced photosensitivity
Organic Photosensitivity Nanoparticle Dielectrics Thin-film transistors
2011/11/24
Organic thin-film transistors with a minimal threshold voltage shift and a more stable photocurrent under illuminated conditions can be made by embedding titanium dioxide (TiO2) nanoparticles into a p...
Fluid accumulation in thin-film flows driven by surface tension and gravity (I): Rigorous analysis of a drainage equation
Fluid accumulation surface tension and gravity drainage equation
2011/9/23
Abstract: We derive a boundary layer equation describing accumulation regions within a thin-film approximation framework where gravity and surface tension balance. As part of the analysis of this prob...
Metamaterial-inspired multichannel thin-film sensor
Metamaterial-inspired multichannel thin-film sensor
2011/9/5
A multichannel thin-film sensor is implemented from a set of microstrip-coupled split-ring resonators (SRRs) with different dimensions. Each SRR exhibits a unique high-Q resonance that is sensitive to...
Lyapunov's method proves convergence to equilibrium for a thin film equation
Lyapunov's method proves convergence to equilibrium thin film equation
2010/11/15
The degenerate parabolic equation u_t + [u^3(u_xxx + u_x - sin x)]_x=0 with periodic boundary conditions models the evolution of a thin liquid film on a stationary horizontal cylinder. The equation d...
Local Bifurcation-Branching Analysis of Global and "Blow-up" Patterns for a Fourth-Order Thin Film Equation
Thin film equation local bifurcation analysis source-type and blow-up similarity solutions
2010/12/14
Countable families of global-in-time and blow-up similarity sign-changing patterns of the Cauchy problem for the fourth-order thin film equation (TFE–4) ut = −∇ · (|u|n∇u) in RN × R...
A compactness result for Landau state in thin-film micromagnetics
compactness singular perturbation vortex N´ eel wall micromagnetics
2010/12/1
We deal with a nonconvex and nonlocal variational problem coming from thin-film micro-magnetics. It consists in a free-energy functional depending on two small parameters " and
and defined over vec...
On the energy-minimizing steady states of a thin film equation
energy-minimizing steady states thin film equation
2010/12/9
Steady states of the thin film equation ut + [u3 (uθθθ + 2uθ − sin )]θ = 0 are considered
on the periodic domain = (−, ). The equation defines a generalized gradient flow for an
ene...
A Fast-Response pH Optode Based on a Fluoroionophore Immobilized to a Mesoporous Silica Thin Film
A Fast-Response pH Optode a Fluoroionophore Immobilized Mesoporous Silica Thin Film
2010/9/17
This paper describes the preparation and characterization of an optical pH-sensing device using a H+-responsive fluoroionophore based on boron-dipyrromethene, immobilized to a mesoporous silica thin f...
Identification of pore size in porous SiO2 thin film by positron annihilation
Al-Si thin film porous SiO2 thin film positron annihilation
2009/8/14
Positron annihilation lifetime and Doppler broadening of annihilation line techniques have been used to obtain information about the small pore structure and size of porous SiO2 thin film produced by ...
A study has been made on the behavior of Al/p-CdTe thin film junction grown by thermal evaporation method. I-V characteristics show that the Al makes Schottky contact with p-CdTe. The variation of jun...
二氧化硅栅绝缘层的制备与表面修饰（Preparation and Surface modification of SiO2 Gate Insulator for Organic Thin Film Transistors）
二氧化硅 绝缘层 OTS 修饰
2010/8/24
研究了有机薄膜晶体管的二氧化硅栅绝缘层的性质。二氧化硅绝缘层的制备采用热生长法，氧化气氛是O2(g)+H2O(g)，工艺为干氧-湿氧-干氧的氧化过程。制得的绝缘层漏电流在10-9 A左右。以该二氧化硅作为有机薄膜晶体管的栅绝缘层，并五苯作为有源层制作了有机薄膜晶体管器件。实验表明采用十八烷基三氯硅烷(OTS)进行表面修饰的器件具有OTS/SiO2双绝缘层结构，可以有效地降低SiO2栅绝缘层的表面能...
Photoelectrochemical Investigations on HgxCd1-xSe Thin Film Electrode/Electrolyte System
MCS P-V cells efficiency and fill factor
2010/4/9
Thin film electrodes of HgxCd1-xSe (0 \le x \le 0.2) were prepared in an aqueous alkaline medium (pH \cong 11) on highly conducting stainless steel substrates by chemical bath technique. Use of these ...