Thin-film transistors
Operational stability of solution based zinc tin oxide/SiO2 thin film transistors under gate bias stress
... Solution based amorphous oxide semiconductors (AOSs) provide an innovative and low-cost processing technology for thin-film transistors (TFTs). 1–4 In order to exploit them into practical circuits, ...
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A High Speed Programmable Ring Oscillator Using InGaZnO Thin-Film Transistors
... programmable Ring Oscillator (RO) using Indium-gallium- zinc oxide thin-film transistors (IGZO TFTs). Proposed circuit ensures high speed compared to the conventional ROs using negative skewed ...
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Development of p-type oxide semiconductors based on tin oxide and its alloys: application to thin film transistors
... We are currently experiencing a fascinating scientific period in the area of thin film transistors using non-conventional materials, like oxide conductors and semiconductors. Conductive transparent ...
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A Voltage Controlled Oscillator Using IGZO Thin-Film Transistors
... (VCO) using amorphous Indium Gallium Zinc Oxide (a-IGZO) thin-film transistors (TFTs). This circuit consists of a high- gain OpAmp, a comparator and a relaxation oscillator. The implemented ...
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A Sustainable Approach to Flexible Electronics with Zinc-Tin Oxide Thin-Film Transistors
... ZTO thin films annealed at 180 °C were ana- lyzed by X-ray diffraction (XRD) and scanning electron micro- scopy ...Zn-poorer thin films are obtained relatively to the expected target composition, as seen in ...
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All-inkjet-printed thin-film transistors: manufacturing process reliability by root cause analysis
... Since the edge of the dielectric layer with peak heights of more than 5 μ m is clearly shaped by the coffee-ring effect as shown in Fig. 9, the dielectric layer area was designed comparable large so that the layer edge ...
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Origin of threshold voltage instability in indium-gallium-zinc oxide thin film transistors
... oxide transistors exhibiting high operational stability under positive gate bias stress, translated by a recoverable threshold voltage shift of about 20% of total applied stress ...
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Transparent Oxide Thin-Film Transistors: In partial fulfillment of the requirements
... In partial fulfillment of the requirements for the degree of Doctor of Philosophy in Nanotechnologies and Nanosciences, by Universidade Nova de Lisboa, Faculdade de Ciências e Tecnol[r] ...
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Fabrication and Functionalization of In2O3 Thin Film Transistors for Biosensing Applications
... The polymerization of APTES can be horizontal and vertical. The first occurs when formed silanol groups interact with each other via condensation and form siloxane bonds. The vertical multilayering occurs when APTES ...
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Light-induced effects on oxide based thin film transistors
... Figure 2.9 - Illustration a parallel plate Plasma-Enhanced CVD (PECVD) reactor [23]. It is known that the plasmas are used in the CVD process to activate and decompose the precursor species. More importantly they allow ...
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Light-emitting thin-film field-effect transistors
... Thin-film transistors (TFTs) find applications in many areas. The most relevant for optical devices are the steering elements in active matrix displays, where each pixel has its own current control ...
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RSC Advances Accepted Manuscript
... for thin!film transistors (TFTs) based on conventional silicon technologies, amorphous metal!oxide TFTs are of great interest due to the high carrier mobility, high transparency, excellent large!area ...
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Catalytic Carbon Submicron Fabrication Using Home-Built Very-High Frequency Plasma Enhanced Chemical Vapour Deposition
... chamber pressure is set to be 400 mTorr during the fabrication, with 100 sccm methane is flown as well as 10 sccm diluted silane. In this fabrication process, the applied plasma frequency is 70 MHz, which makes this ...
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Metal layer for enhancing optical reflection in passivation layers in thin film solar cells
... Thin film, CIGS solar cells were able to achieve efficiency values higher than multicristalline silicon solar cells (22.9 % vs 22.3 %). However, a possible In scarcity, may increase its production costs, ...
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Mat. Res. vol.6 número4
... PZT thin film were prefabricated on the Si(001) substrate in se- quence, and the aptitude thickness of PZT thin film ...PZT thin films using the shadow mask method to measure hysteresis ...
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A New Route to Synthesize MnSe Thin Films by Chemical Bath Deposition Method
... selenate in aqua solutions. The structure remained selenide at pH: 9 and 8 because of the effect of hydroxyl anions being less than at pH: 11 and 10. This is an important point namely that the pH: 9 and 8 can be used as ...
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Spray Coating of Oxide and Chalcogenide Semiconductor Layers for TFT Application
... a thin film, there are a number of options, which are often divided in two groups: physical vapor deposition (PVD) and chemical ...the film to form ...depositing thin films in a simple, cheap, ...
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Annealing and Extended Etching Improve a Torsional Resonator for Thin Film Internal Friction Measurements
... It is approximately 29mm tall. From the top, its sections are referred to as the head, neck, wings, leg, and foot. In a typical measurement, the bottom of the foot (below the line) is held in a clamp while the wings are ...
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Electromechanical properties of calcium bismuth titanate films: A potential candidate for lead-free thin-film piezoelectrics
... the film resulting from the domain ...the film- electrode ...ferroelectric thin film is given in ...the film exceeds the current due to injected free car- riers from the ...
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TiO2 thin film synthesis from complex precursors by CVD, its physical and photocatalytic properties
... During irradiation, 100 µl samples were taken every 0.5 h or 1 h, and immediately analysed with a HPLC sys- tem (Merck-Hitachi 655A-11 system with 655A-22 UV detector) under the following experimental conditions: ...
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