Organic thin film dielectric tunable capacitor

Thermally conductive ultra-low-k dielectric layers based on two ...

Impedance measurements conducted on parallel plate capacitors confirm that COF-5 is a low-k dielectric. First, we synthesized COF-5 thin films directly onto …

Enhanced dielectric properties of barium strontium titanate thin …

Barium strontium titanate (BaxSr1–xTiO3, BST) thin films have large dielectric constant, low dielectric loss, especially the high dielectric tunability, which make them prospective candidates for microwave tunable applications. Resent developments in BST thin films by doping modification are reviewed. The A-site doping, B-site doping, and …

Low voltage tunable barium strontium titanate thin film capacitors …

Thin film barium strontium titanate (BaxSr1-xTiO3), hereafter referred to as BSTO is a promising candidate for applications as tunable capacitors [1,2], tunable microwave devices [3,4] and ...

Integrating High-k Ceramic Thin Film Capacitors into Organic …

Abstract: Current organic package-compatible embedded decoupling capacitors are based on thick film (8-16 m) polymer-ceramic composites with dielectric …

Structure and dielectric properties of barium strontium titanate ...

Barium–strontium titanate (BST) ferroelectric thin film was fabricated on Ti substrates by micro-arc oxidation (MAO) in an aqueous solution consisting of 0.6 mol/L Ba(OH)2·8H2O and 0.4 mol/L Sr(OH)2·8H2O. The phase composition, elements distribution, dielectric and ferroelectric properties of the BST thin film were …

Organic/Inorganic Nano-hybrids with High Dielectric Constant for ...

The organic material soluble polyimide (PI) and organic–inorganic hybrid PI–barium titanate (BaTiO 3) nanoparticle dielectric materials (IBX, where X is the concentration of BaTiO 3 nanoparticles in a PI matrix) were successfully synthesized through a sol–gel process. The effects of various BaTiO 3 contents on the hybrid film …

Advances in micro and nano-engineered materials for high-value ...

Ferroelectric polymer-based composites for flexible thin film capacitors3.1.5.1. Organic ferroelectric. ... an all-inorganic thin film dielectric capacitor with a multilayer structure [26]. The proposed work aims to reduce leak current, ... Low voltage driven NiO thin film capacitors for tunable applications. Thin Solid Films, 669 …

Tunable dielectric performance of porphyrin based metal−organic ...

The recent development of thin-film and single-crystal MOF-dielectric devices in applications of transistors, gate dielectrics, capacitors, sensors, and interlayer dielectrics is also discussed. The future prospects and challenges of MOF dielectrics in microelectronics are also discussed.

Organic field-effect transistor

OFET-based flexible display Organic CMOS logic circuit. Total thickness is less than 3 μm. Scale bar: 25 mm. An organic field-effect transistor (OFET) is a field-effect transistor using an organic semiconductor in its channel. OFETs can be prepared either by vacuum evaporation of small molecules, by solution-casting of polymers or small molecules, or by …

Voltage-controlled RF filter employing thin-film Barium-Strontium ...

The typical parallel plate capacitance (C) of a BST capacitor as a function of DC bias voltage (Vdc) is shown inFigure 1.18.BST based tunable capacitors have been used in designing various ...

Electrically tunable dielectric materials and strategies to improve ...

BST thin films with compositions of different ratios of Ba/Sr have been deposited on single-crystal substrates, like MgO [22], [24], SrTiO 3 [23], [27] and LaAlO 3 [23], [27], [28], [32], [33], so that high quality ferroelectric thin films can be epitaxially grown owing to the minimized mismatches between film and substrates some reports, silicon …

Tunable Electrical Conductivity in Metal-Organic …

We report a strategy for realizing tunable electrical conductivity in metal-organic frameworks (MOFs) in which the nanopores are infiltrated with redox-active, conjugated guest molecules. This …

A review of surface roughness impact on dielectric film properties

A review of surface roughness impact on dielectric film ...

Fabrication of tunable [Al2O3:Alucone] thin-film encapsulations …

Fabrication of tunable [Al 2 O 3:Alucone] thin-film encapsulations for top-emitting organic light-emitting diodes with high ... is an attractive deposition method for preparing insulating films for a potential use as gate dielectric capacitors, and other ... Long-lifetime thin-film encapsulated organic light-emitting diodes. J. Appl. Phys ...

Fully-printed high-performance organic thin-film transistors and circuitry on one-micron-thick polymer films | Nature …

Fully printed organic TFTs on ultra-thin substrates New materials developed by Merck were employed for the organic semiconductor, gate dielectric and electrode treatment layers. As already ...

(Ba,Sr)TiO3 tunable capacitors with RF commutation quality …

The fabrication, measurement, and modeling of radio-frequency (RF), tunable interdigital capacitors (IDCs) are described. High quality factors of 200 in the S/L-bands combined with a 47% tunability are achieved by utilizing epitaxial (Ba,Sr)TiO3 films grown by hybrid molecular beam epitaxy on LaAlO3 substrates. The fabricated devices …

A molecular ferroelectric thin film of imidazolium perchlorate on ...

4 · Metrics. Molecular ferroelectrics have garnered significant attention due to their structural tunability, low synthesis temperature, and high flexibility. Herein, we …

Wide-range tunable Ba0.7Sr0.3TiO3 films capacitors on

The BST film is obtained on [110] orientation by optimizing preparation and annealing conditions. The measurement results show that the BST films with high dielectric constant, high permittivity tunability and high Q value are obtained, which can be used as a wide-range tunable capacitor for tunable surface acoustic wave filters.

Thin-film transistors for large-area electronics

Thin-film transistors for large-area electronics

Sn-Polyester/Polyimide Hybrid Flexible Free-Standing Film …

rate) (pDMTDMG) for having a processable film with tunable dielectric prop-erties. Hybrid film with 60% pDMTDMG and 40% PI (HB2) is found to have improved dielectric features over previously synthesized organic polyimide and organometallic Sn-polyester homopolymers. These novel organometallic–

Inkjet printed thin and uniform dielectrics for capacitors and organic ...

The deposition of a thin and uniform dielectric layer is required for high performance printed capacitors and thin film transistors (TFTs), however this is difficult to achieve with printing methods. We have demonstrated inkjet-printed dielectrics with a uniform thickness from 70 nm to 200 nm by taking advantage of the coffee ring effect.

All-Inorganic Flexible Embedded Thin-Film Capacitors for …

In this work, the all-inorganic flexible dielectric film capacitors have been obtained. The flexible capacitors show a desirable recoverable energy density ( Wrec) of …

Role of film stoichiometry and interface quality in the performance …

Tunable dielectrics, in particular, the perovskite Ba x Sr 1− x TiO 3 (BST), are actively investigated for microwave circuit applications, such as varactors and resonators. 1–5 A main focus of materials and device optimization is to simultaneously achieve high quality factors (Q = 1/tanδ, where tanδ represents the dielectric loss …

Ba0.6Sr0.4TiO3–Bi1.5Mg1.0Nb1.5O7 composite thin film capacitors …

1. Introduction. The progress on miniaturization and integration of the microwave devices strongly depends on the ability to fabricate high quality tunable thin films possessing both high tunability and low losses [1].Though barium strontium titanate thin films perform relatively large dielectric tunability, the high loss tangent (generally >10 −2) …

Organic/Inorganic Nano-hybrids with High Dielectric Constant for ...

The organic material soluble polyimide (PI) and organic–inorganic hybrid PI–barium titanate (BaTiO3) nanoparticle dielectric materials (IBX, where X is the concentration of BaTiO3 nanoparticles in a PI matrix) were successfully synthesized through a sol–gel process. The effects of various BaTiO3 contents on the hybrid film performance …

High-Tunable Capacitor Using a Multi-Layer Dielectric Thin Film …

By alternatively depositing a high tunable BST ferroelectric and low-loss BZN paraelectric thin film dielectric, the multi-layer dielectric thin film of BZN/BST/BZN obtained a tunability of 47% ...

Innovative all-organic dielectric composite for dielectric capacitor ...

The organic composite dielectric based on CR-S/PVDF has a breakdown field strength of 450 MV/m, a discharge energy storage density (U e) of 10.3 J/cm 3, a high dielectric constant of 10.9, and a low dielectric loss of 0.004 at 1 kHz, which is a significant improvement compared with other dielectric composites. This all-organic dielectric ...

Electrical & Physical Characterization of Silicon-Organic

Lim J-S, Shin P-K, Lee B-J, Lee S (2010) "Plasma polymerized methyl methacrylate gate dielectric for organic thin-film transistors. Org Electron 11(5):951–954 ... (2018) An organic temperature sensor based on asymmetric metal insulator semiconductor capacitor with electrically tunable sensing area. IEEE Sensors Lett 2(1):1–4.

A review of surface roughness impact on dielectric film …

A review of surface roughness impact on dielectric film ...

HIGH DIELECTRIC CONSTANT AND TUNABILITY OF EPITAXIAL SRTIO3 THIN FILM ...

The dielectric and insulating properties of epitaxial SrTiO3(STO) thin film capacitors were studied. The films were grown by inverted cylindrical magnetron sputtering in the radio frequency mode on (100) STO substrates which were covered with a (001)-oriented YBa2Cu3O7−x (YBCO) layer as a ground electrode. As a top electrode we used …

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