نتایج جستجو برای: thin film transistor
تعداد نتایج: 201767 فیلتر نتایج به سال:
A kinematic theory of reflection high energy electron diffraction ~RHEED! is presented for textured polycrystalline thin films. RHEED patterns are calculated for arbitrary texture situations and for any general crystallographic orientation that may be encountered in thin-film growth. It is shown that the RHEED pattern can be used as a fast and convenient tool for in situ texture characterizatio...
In lock-in thermography the thermal diffusivity can be obtained from the slope of the linear relation between the phase of the surface temperature and the distance to the heating spot. However, in the case of thin samples, the linearity is not found. In this work we identify heat conduction to the surrounding gas as the mechanism responsible for the lost of linearity. Accordingly accurate measu...
The field-effect mobility of hole polarons in α-sexithiophene, measured in thin film transistors, was shown to be well fitted by Holstein’s small polaron theory. Unfortunately, Holstein’s formulation is based on an integral that does not converge. We show that the data are well fitted by a theory of polaron transport that was successful in accounting for mobility in molecular crystals
By combining two kinds of solution-processable two-dimensional materials, a flexible transistor array is fabricated in which MoS(2) thin film is used as the active channel and reduced graphene oxide (rGO) film is used as the drain and source electrodes. The simple device configuration and the 1.5 mm-long MoS(2) channel ensure highly reproducible device fabrication and operation. This flexible...
Introduction Lecture 1. Algebraic properties of correlators in 2D topological field theory. Moduli of a 2D TFT and WDVV equations of associativity. Lecture 2. Equations of associativity and Frobenius manifolds. Deformed flat connection and its monodromy at the origin. Lecture 3. Semisimplicity and canonical coordinates. Lecture 4. Classification of semisimple Frobenius manifolds. Lecture 5. Mon...
A desired reflectance profile versus frequency (wavenumber) can be directly Fourier transformed into the index of refraction profile as a function of thickness which would produce the desired spectral reflectance profile. This tool has existed for some years now but does not seem to be in common use. This paper lays out some of the principles to aid in making the process more understandable, in...
The focus of this thesis is to analyze cost trends and government incentives in the California PV market during 2007-2008. The data show that pre-rebate system costs increased in California during this time period and that this was driven by a surge in worldwide module cost. Systems employing thin film technology did not exhibit a downward impact on cost, which contradicts historical and techno...
In this paper we review recent progress in materials, fabrication processes, device designs, and applications related to organic thin-film transistors (OTFTs), with an emphasis on papers published during the last three years. Some earlier papers that played an important role in shaping the OTFT field are included, and a number of previously published review papers that cover that early period m...
Resistance switching random access memory (RRAM) has drawn considerable attention for the application in nonvolatile memory element in semiconductor memory devices. A ZnO thin film now assumed to be useful for dynamic random access memory (DRAM) cell. In this paper we provide a framework to its use as a switching ON or OFF in DRAM cell. In this type of memory cell the ZnO thin film has a lot of...
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