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 …
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 …
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 …
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 …
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 …
SrTiO3 and (Ba,Sr)TiO3 Films Epitaxially Grown on ...
3 · High dielectric constant (k) materials have been investigated to improve the performance of dynamic random access memory (DRAM) capacitors.However, the …
High tunable and low loss capacitor using a BZN/BST/BZN multi …
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% ...
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 …
A tunable high-Q flexible ferroelectric film capacitor for GHz RF ...
The flexible tunable capacitor retains its mechanical and electrical stability after 24 000 high-frequency bending cycles, which provides potential uses in bendable, collapsible tunable capacitors ...
Inkjet printed thin and uniform dielectrics for capacitors and organic thin film …
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.
Design strategies for dielectric metal–organic frameworks and …
Given numerous intrinsic properties of metal–organic frameworks (MOFs) which include tunable porosity, structural flexibility, guest–molecule confinement and …
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 ...
Fully-printed high-performance organic thin-film transistors 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 ...
Impact of the Capacitance of the Dielectric on the Contact Resistance of Organic Thin-Film …
The operation of organic thin-film transistors (OTFTs) relies crucially on charge injection. The authors discuss the impact of insulator capacitance on injection across a Schottky barrier, showing that it strongly depends on device architecture. This understanding is important for implementing OTFTs in high-speed applications such as …
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.
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–
Fabrication and characterization of Ba1−xSr1−xTiO3 tunable thin film ...
PMN thin films have been investigated as a feasible material for tunable microwave applications. PMN thin films were deposited by RF magnetron sputtering from Pb 6 MgNb 6 O 22 ceramic target on platinized Si substrates. The crystallinity, thickness, surface morphology, dielectric property, and voltage tunable properties of thin films …
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 ...
Ba0.6Sr0.4TiO3–Bi1.5Mg1.0Nb1.5O7 composite thin film capacitors …
This letter covers the fabrication of an electric field tunable device using Au/Ba 0.6 Sr 0.4 TiO 3 –Bi 1.5 Mg 1.0 Nb 1.5 O 7 /Au thin film capacitor and its observed tunable characteristics. Dielectric measurements indicated that the Ba 0.6 Sr 0.4 TiO 3-Bi 1.5 Mg 1.0 Nb 1.5 O 7 composite thin-film capacitors exhibited medium capacitance of …
Tunable barium strontium titanate thin film capacitors for RF and ...
The typical dielectric loss tangent was in the range 0.003-0.009 at VHF. Large signal measurement and modeling results for BST thin film capacitors are also presented. AB - The measurement results for thin film barium strontium titanate (BST) based voltage tunable capacitors intended for RF applications are reported.
(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 …
Wrinkled metal-organic framework thin films with tunable Turing ...
Luo et al. developed a synthesis method to synthesize MOFs using a reaction at the interface between a zinc oxide thin film and a confining polymer coating. …
Tunable Capacitors | How it works, Application & Advantages
Tunable capacitors, also referred to as variable capacitors, are a type of capacitors whose capacitance value can be changed. This is accomplished by altering the physical characteristics that determine capacitance: the area of the plates (A), the distance between the plates (d), or the permittivity of the dielectric material (ε).
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.
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% ...
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 …
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 ...
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 …
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 …
A review of surface roughness impact on dielectric film …
A review of surface roughness impact on dielectric film ...
Thin-film transistors for large-area electronics
Thin-film transistors for large-area electronics
Design a new MEMS tunable capacitors using electro-thermal
This paper presents a new structure for the Micro-electromechanical capacitors with high capacitance and tuning range. The obvious feature of the proposed capacitor is the use of a thermal actuator to change the dielectric coefficient of capacitor. In this work, BaTiO3 is used as a dielectric. Due to its high dielectric coefficient, BaTiO3 …
Study on Epoxy/BaTiO3 Composite Embedded Capacitor Films (ECFs…
Embedded capacitor films (ECFs) were newly designed for high dielectric constant and low capacitance tolerance (less than ±5%) embedded capacitor fabrication for organic substrates.
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 …
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 …
Impact of the Capacitance of the Dielectric on the Contact Resistance of Organic Thin-Film …
DOI: 10.1103/PHYSREVAPPLIED.4.044002 Corpus ID: 136143442 Impact of the Capacitance of the Dielectric on the Contact Resistance of Organic Thin-Film Transistors @article{Zojer2015ImpactOT, title={Impact of the Capacitance of the Dielectric on the Contact ...
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 …
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 …
A tunable high-Q flexible ferroelectric film capacitor for GHz RF …
With the development of flexible electronics, flexible tunable capacitors with high dielectric constant, ... a large-scale Ba0.67Sr0.33TiO3 (BST) dielectric thin film sandwiched between SrRuO3 ...
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.
Giant dielectric tunability in ferroelectric ceramics with ultralow ...
Modifications to reduce dielectric constant in BST systems, such as organic-inorganic composites and spark plasma sintering of thin films, have been well …
