Ferroelectrics

Papers
(The median citation count of Ferroelectrics is 0. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)
ArticleCitations
Nature frequency manipulation of plates laminated with LASMP via Ritz method23
The influences of Cs+ substitution and direct doping on the phase evolution, microstructure and electrical properties of KNNT ceramics19
Influence of the dielectric constant and thickness of metasurface on terahertz frequency based on plasma resonance18
Phase formation, microstructural and dielectric properties of bismuth ferrite nanoceramics synthesized by low-temperature molten salt flux route17
An explosion field inversion algorithm combining finite element calculation and tomography15
Photoinduced light scattering and interference in SBN:75 crystals14
In vitro antibacterial effect of nanomaterial calamine12
Observation of Enhanced Unipolar Strain and Piezoelectric Charge Co-Efficient in K0.5Na0.5NbO3 Simultaneously Doped with Lithium and Antimony12
PVA-ZNO nanocomposites thin films for sensing devices12
Strain and electric field induced low-symmetry states in Pb 0.1 Sr 0.9 TiO 312
Effect of sintering temperature on microstructure and property of AA6061/SiCp composite prepared by ultrahigh pressure sintering11
Study the influence of the crystal structure of the co-precipitated brownmillerite CaFeO 2.5+δ sample on optical and magnetic properties11
Shift of Neel temperature in (BiFeO3)1-x/(BaTiO3)x composites10
Planar on-chip microsupercapacitors based on aminated graphene quantum dots with high areal power density and rapid frequency response capability10
Structural, surface morphological and dielectric studies of FeGe alloys grown using electron beam deposition9
Charged domain walls in lithium niobate and lithium tantalate crystals with composition gradients9
Reduction of leakage current and large enhancement of ferroelectric properties in Sb doped Bi4Ti3O12 ferroelectric thin film with Sb doped Bi2Ti29
Study of the dielectric response and polarization in PbCo1/3Ta2/3O3 single crystals9
Crystallographic parameters of spherulitic structures in ferroelectric film9
Dielectric properties of Ba2NdFeNb4O15 at temperatures between 10 K and 320 K8
Investigation on barium zirconate nanocomposites for optical and dielectric properties8
Ferroelectric properties of Sr0.5Ba0.5Nb2O6 thin films grown on a Si(001) substrate by RF cathode sputtering8
Design and development of frequency tuneable vibration based piezoelectric energy harvester8
Phase transition, microstructure and electrical properties of Pb1−xYx/2Bix/2[(Zr0.53 Ti0.47)0.92–(Mn1/3 Sb2/3)8
Photoinduced resistance of Ba0.8Sr0.2TiO3/LaMnO3 heterostructure8
Comparative analysis of ferroelectric quad-FinFET with and without Si 3 N 4 spacer on analog/RF, linearity performance and digital7
Guest Editorial7
Electronic structures at the interface between LiNbO3and the metal electrodes: first-principles calculation7
Facile fabrication and technical analysis of copper doped Gd 2 O 3 nanoparticles: Photocatalytic elimination of Rhodamine B dye un7
Phase evolution, microstructure and electrical response of KNNT ceramics with Li+ substitution and doping7
Features of the structural and dielectric properties in BaTi1-xSnxO3 ferroelectric ceramics7
Observation of elastic Weyl points in ferroelectric based sonic metamaterials7
Colossal dielectric constants in Sr(Fe0.5Nb0.5)1-xMnxO3 prepared by a modified solid-state reaction technique7
Effect of various nanofillers on the insulating properties of polyethylene composites7
Morphological evolution and transition at nanoscale in BSTO ceramic materials6
Low-temperature sintering of ZnAl2O4 ceramics with 4CuO-TiO2-2Nb2O5 composite oxide sintering aid6
Study of [Pb(Fe 1/2 Nb 1/2 )O 3 ]-(SiO 2 -B 6
Spontaneous polarization and DC resistivity investigations in Ba[1.6-(3x/2)]Sr2.4ErxNa1.4Li0.6Nb10O30 tungsten bronze struc6
Structure and high piezoelectric response of the ternary 0.3BiFeO3-0.5PbFe0.5Nb0.5O3-0.2PbTiO3 ceramics6
Effect of base materials and pore grades on mechanical properties of open-cell aluminum foam fabricated by investment casting6
Enhanced dielectric and ferroelectric properties of chemical solution processed lead-free Ba1−xCaxZr0.1Ti0.9O3 thin film6
Domain merging in LaBGeO5 single crystals6
Guest Editorial6
Study on the structure and optical properties of ZnO films doped with the III main group elements by sol-gel method6
Polyvinyl alcohol/polybenzimidazole/BaZrO3–based hybrid nanocomposite: as a new proton conducting membrane for proton exchange membrane fuel cells6
Experimental study on energy-generation performance of a zigzag-shaped beam piezoelectric energy harvester5
Microstructure, dielectric, and impedance spectroscopy of the dysprosium-modified LaBiO 3 ceramic5
SBN-50 ceramics phase transformations in the temperature range 300–700 K according to Raman spectroscopy data5
Holding time optimization of spark plasma sintering for PZT-based soft ceramics5
Investigations on structural, morphological, dielectric, and ferroelectric properties of BiFeO 3 /BiMnO 3 composite ceramics prepa5
Magnetoelastic effect in CoNi particles caused by thermal resizing of a lithium niobate crystal substrate5
Effect of Li doping on the structural, linear and nonlinear optical properties of NiO thin films5
Conductivity and LPG sensing behavior of polyaniline/NiO2 nano composites thin films5
Near-electrode effects of ferroelectric nanocomposites filled with pristine and oxidized multiwalled carbon nanotubes at low frequencies5
Study of the properties of a PZT thin film formed on a highly doped silicon substrate5
Guest Editorial5
Dielectric properties of ferroelectric diisopropylammonium iodide embedded in porous glass5
Effect of neodymium and zirconium substitution on electrical properties of SrBi4Ti4O155
Application of ink based on zno semiconductor nanomaterials in printing process5
Preparation and properties of organosilicon-polyurea composites5
Effect of calcination temperature on the structural and electrical properties of low temperature sintered the (Na0.52K0.44Li0.04)(Nb0.88Sb0.08Ta<4
Optical properties of Sr3WO6:Dy3+ phosphors applying for white LEDs4
Lead-based antiferroelectrics revisited for high energy density capacitors and large strain actuators4
Research on AC and DC leakage detection technology based on fluxgate principle4
Enhancement of dielectric and ferroelectric properties of (Sr, Ni) Co-doped BaTiO 3 ceramics4
Dielectric properties of hydrogen-bonded cesium dihydrogen phosphate-type ferroelectric crystals4
A new perception to the spectroscopic, dielectric and impedance behavior of graphene oxide4
Investigations on physical properties of (Sm, Ni) co-doped LaFeO 3 perovskite4
P(VDF-TrFE-CFE) polymer based electrocaloric device design for battery cooling4
Thermophysical properties of solid solutions of lead zirconate titanate obtained in various solid state states4
Anisotropy of electromechanical properties of layered bismuth-containing ferroelectric ceramics with a high degree of texture4
Design and simulation of ultrasonic welding system based on TbDyFe alloy4
Phase formation and piezoelectric properties of solid solutions of the (1-x)K0.5Na0.5NbO3-xCu0.5NbO3 system4
Dielectric and transport properties of Mn-modified bismuth sodium strontium titanate composite4
Sensitivity analysis of electro-mechanical properties of soft and hard piezoelectrics using the complex finite element method4
In Memory of Boris A. Strukov4
Application value of different dimension ZnO nano materials in sports rehabilitation of basketball players with limb fracture injury4
The effect of ZnO and MnO 2 as sintering aids in the preparation of potassium sodium niobate ceramics and electrical characterizations4
Simulation of XRD data of Ba(Nd x Ti (1-2x) Nb x )O 3 cerami4
Optical analysis of RE3+ (Sm or Dy): B2O3-P2O5-CaF2-ZnO – (Li2O/Na2O/K2O) glasses4
Influence of voltage amplitude parameters on the electrocaloric response in ferroelectric materials4
Synthesis and characterization of Cu0.92Co2.08O4 nanoplates for supercapacitor electrode application4
Dielectric tunability of relaxor-based ceramics4
Synthesis, characterization and dielectric relaxation studies of graphene quantum dots prepared by hydrothermal treatment method4
Alkali and mixed alkali effect: spectroscopic properties of Eu 3+ and Tb 3+ ions doped zinc tungstate boro phosphate glasses4
Crystal structure, dielectric and magnetic properties of xBaFe12O19-(1 − x)Na0.5Bi0.5TiO3 composites4
Nano carbon water retaining fertilizer on soil bacterial community structure and grape growth in grape field4
Physico-Mechanical and Dielectric Relaxation Spectroscopy of Fluoroelastomer Nanocomposites: Effects of Graphene Oxide Concentration and Frequency4
A theoretical study on the adsorption of Cr6+, Mn2+, and Pt2+ onto (8,0) single-walled carbon nanotubes4
Temperature dependences of dielectric characteristics of sodium-lithium niobate porous ceramics4
Dielectric and piezoelectric properties near the morphotropic phase boundary for 0.94BNT-0.06BT ceramics synthesized by the solid-state combustion technique3
Fabric sensor modified by Bi2Te3 nanomaterials in the field of sports rehabilitation3
Effective properties of piezoceramics with metal inclusions: numerical analysis3
Effects of BaTiO 3 on dielectric behavior of BaTiO 3 @RGO-polyvinylidene fluoride composites3
Dynamics of ferroelectric polarization and internal electric field in PbTiO3/SrTiO3 superlattices3
Repairing waist injury of sports dance based on multifunctional nano-material particles3
Hydrophilic properties of the aluminum alloy induced by femtosecond laser structuring3
Fabrication and investigation of a memristive crossbar array artificial synapses based on electrochemical titanium oxide for neuroelectronics3
Investigation of the influence of the properties of the piezoelectric substrate PMN-PT on the superconducting spin valve Fe/Al/Co/Pb3
Reactive inkjet printed zinc oxide film processing3
A direction adaptive hybrid piezo-electromagnetic energy harvester based on vortex-induced vibration3
Processes of mechanical degradation of high-density polyethylene + nanoclay nanocomposites after exposure to an electric field3
Etching mechanism of LiTaO3 crystals in CHF3/Ar plasma3
Microstructure and optical properties of ZnAlO films prepared by Magnetron sputtering3
A three-port integrated DC–DC converter for piezoelectric energy harvesting3
Study of Al/a-Si:H/SiO2/n-Si/Al based bottom gate thin film transistor using RPCVD SiO2 and PECVD a-Si:H thin films: probably needed focus for bio-sensing application3
Research on structure and algorithm of high energy efficiency water chiller3
Piezoelectric, dielectric and ferromagnetic properties in epitaxial multiferroic Pb(Zr0.45,Ti0.55)O3/Co0.8Fe2.2O4 thin film treatment 3
Modeling of hollow cylinder piezoelectric resonator with current excitation by a double Legendre polynomial method3
Surface induced effects on the dielectric and optical properties of polymer-stabilized cholesteric liquid crystal composites3
Theoretical investigation of ferroelectric and dielectric properties of Rochelle salt colemanite type crystals3
Dielectric and ferroelectric properties of modified-BaTiO3 lead-free ceramics prepared by solid solution method3
The tuning of temperature stability in ultralow loss (Ba/Sr) zirconate microwave dielectric3
Lattice dynamics and dielectric characteristics of c-oriented SBN-50 thin films grown on a Pt(111)/Al2O3(0001) substrate3
Smectic-C* to smectic-C*A phase transition in the mixture of antiferroelectric liquid crystal and graphene3
Propagation modeling and guided waves in a ZnO piezoelectric planar resonator: open-circuit and short-circuit cases3
Improved luminescence in BA-CaF 2 : Eu 3+ nanoparticles for LSC3
DFT mechanistic study of Pt Sub-monolayer adsorption on BiAlO3 (0001) polar surfaces3
Electronic structure, optical and electrical characteristics of multiferroic [Pb(Fe0.5Nb0.5)O3]0.4–[(Ba0.8Sr0.2)TiO3]03
Improvement microwave dielectric properties of Ba2MgWO6 ceramics by substituting Mg2+ with Zn2+3
Interaction of wedge-like domains created by local polarization reversal on nonpolar cut of lithium niobate3
Review on PZT as a mechanical engineering material3
Wideband and wide beam piezoelectric composite spherical cap transducer for underwater acoustics3
Nanomaterials and repair of basketball sports ligament injury3
Analysis of the ionic contribution to the electrical conductivity of LiNbO3 crystals3
Modern biotechnology and nanotechnology in competitive sports3
Ferroelectric and magnetic properties of 0.5BiFeO3-0.5PbFe0.5Nb0.5O3 ceramics3
Effect of process parameters on microstructure and Raman characteristics of magnesium doped ZnO thin films3
Thermal stability and luminescence of zinc and lanthanide(Tb 3+ and Ce 3+ ) coordination polymers with pyridine-2,5-dicarboxylic a3
Modeling and applications of quantum storage photodetector3
Design, finite element analysis, fabrication and electroacoustic characterization of transducer arrays from piezoceramics with hollow cylindrical shell form3
Near-infrared quantum cutting in NaYF4:Ce3+,Yb3+ nanocrystals for luminescent solar concentrators3
Synthesis and luminescence properties of chemically synthesized ZnS nanomaterials3
Magneto-electric effects in coaxial nanofibers of hexagonal ferrites and ferroelectrics3
Electro-optical characterization of rare earth doped CuInS 2 thin films synthesized by CBD3
Preparation of Fe2O3/WS2 heterostructures with enhanced photocatalytic performances for dye degradation and Cr (Ⅵ) reduction3
Preparation and properties of high porosity activated carbon material used as electrode material3
Structural and electrical conduction properties of Y 3+ ions substituted Li-Zn-Ti ferrites3
Monoclinic distortion in strain relaxed [111] PbTiO3 epitaxial films3
Correlation Functions and Properties of Local Distributions of Frustrated Phases in the Ground State of a Dilute Ising Chain in a Magnetic Field3
Information Integration Technology of Disaster Prevention and Mitigation System Based on Nanometer Material3
Stabilization of the ferroelectric phase of potassium nitrate in a (KNO3)0,9(NaNO2)0,1 double salt system3
Dual-band polarization-sensitive terahertz metamaterial absorber possessing frequency and amplitude dynamically-continuously tunable characteristics3
Effect of sputtering temperature on optical properties of TiO2 thin films3
Theoretical calculation model of emission performance for 1-3 piezoelectric composite transducer3
Scavenging wind induced vibration by an electromagnet energy harvester from single to multiple wind directions3
Unsupervised Identification of Topological Domain Defect Nodes of YbMnO3 Based on Radar Density Algorithm3
Study on comprehensive properties of mullite porous ceramics prepared from gangue based on sintering temperature3
Structure, microstructure, and functional properties of modified sodium niobate ceramics3
Sintering Technology of Cemented Carbide Cutting Tool Based on Digital-Twin3
Dielectric response of piezoelectric film structures based on a copolymer of vinylidene fluoride with trifluoroethylene and carbon nanotubes3
Structural and electrocaloric properties of Yttrium modified Bi 0.35 Na 0.35 Sr 0.3 TiO 3
Influences of thermal treatment temperature on microstructures and properties of glass-ceramics from gold tailings3
Study of domain structure of thin ferroelectric films with a pulse laser2
Structural and Dielectric Investigation of Lithium and Strontium Modified Bismuth Sodium Titanate Composite2
Synthesis of pure phase SmFeO3 orthoferrites via self-propagating sol-gel combustion synthesis and study of Ce doping effect on their ferroelectric properties2
Machine tool spindle vibration monitoring system based on Bluetooth wireless network and LabVIEW2
Forward growth and formation of 1D domain arrays by focused ion beam in Y-cut MgOLN2
Cascade scaffold of porous carbon-coated carbon derivates from a bimetallic zeolitic imidazolate framework for use as an efficient sulfur host in high-performance Li-S batteries2
Studies of structural, dielectric and impedance spectroscopy of Bi 4 Ti 2.8 Sn 0.2 O 2
Obituary: Václav Janovec (1930–2022)2
Dominant role of in defect on carrier distribution and photocatalytic activity for BiVO 42
Influence of the sputtering conditions on the microstructure and lattice constants of Sr0.5Ba0.5Nb2O6 heteroepitaxial thin films2
Change in Properties of Thermoplastic Polymer with Metal Oxide Nanofiller (PP + ZrO 2 ) After Electrothermopolarization2
Formation of regular domain structures using interfering laser beams and liquid electrodes with a giant extinction coefficient2
Compatibility of composite biomaterials in repairing bone tissue damage in sports competitions2
Investigation of structural, optical, electrical and magnetic properties of magnetoelectric composite of NiFe 2 O 4 and YMnO 2
Effect of bamboo fiber aspect ratio on the bending properties of bamboo fiber/polypropylene composite2
Improvement of the structural, dielectric, ferroelectric, and piezoelectric of PbZr 0.52 Ti 0.48 O 3 2
Studies on structural, dielectric, electrical, and ferroelectric properties of the polycrystalline NaBiFe 2 O 52
Raman scattering of light in single crystals of lithium niobate co-doped with copper and gadolinium2
Research on the Fixed-Abrasive Lapping Process of Polycrystalline Aluminum Nitride2
Guest Editorial2
The synergistic effect of graphene oxide and flame-retardant fabrics2
Effect of annealing process on microstructure and mechanical properties of precipitated phase of A1235 aluminum alloy2
Silane coupling agent on the structure and properties of polymethyl methacrylate silica nanocomposites2
Micro structure analysis of the coating of polyurethane coated urea during nitrogen release process2
Dielectric and antiferroelectric properties of Mn-doped CaZrO3-NaNbO3 ceramics2
Ammonium polyphosphate combined with potassium nitrate was used to modify the anti-caking property of nitro-compound fertilizer2
Thermal performance simulation of nano material modified fly ash light energy-saving wallboard in assembly building2
Effect of co substitution of (Y, Mn) on electrical properties of bismuth ferrite2
Microstructural features and complex electromechanical parameters of Pb0.95Sr0.05Ti0.47Zr0.53O3 + 1% Nb2O5 porous piezocera2
A novel leaching process with highly-low residual organics from pyrolusite ore and its kinetics2
Topological defects driving the growth of nanoscaled ferroelectric domains observed by piezo response force microscopy2
Thermally controlled structural strain reduction in core shell magnetoelectric nanocomposite2
Composite structures “ferroelectric/glass/dielectric matrix”2
Study on the relationship between slurry film thickness and rheology of fillers based on film theory2
Hydrogen bond as a trigger of ferroelectric-like phase transition in lithium-thallium tartrate monohydrate2
Local structure and structural properties of vanadium oxide thin films prepared by radio-frequency reactive magnetron sputtering at various oxygen flow rate2
Determination of the temperature dependences of the coefficients of the elastic compliance tensor and the elasticity tensor in the tetragonal phase BaTiO32
Preparation and characterization of antibacterial and antiviral nano functional agent HXG-36-82
Spin-induced ferroelastics with pyrochlore lattices2
Structural and electrical characteristics of manganese modified Bi0.5K0.5TiO3 ceramic2
Structural, micro-structural, resistive and capacitive characteristics of Mn modified lead zirconate titanate: Pb(Zr 0.35– x 2
Preparation of CuFe2O4 composite metal oxides and selective oxidation of benzyl alcohol2
Sol-gel-assisted hydrothermal synthesis of La 3+ doped CuO/ZnO heterojunction composites photoelectric devices with enhanced photoelectric performance under UV light2
Research and method of air burst fracturing2
Topological semimetals in the ZrB 5 (B = Se, Te) material class: Weyl points and electronic properties2
Complex electromechanical parameters and microstructure peculiarities of PZT-type porous piezoceramics2
Impedance spectroscopy and conductivity studies of Sr(Bi 3.9-x Nd x La 0.1 )(Ti 2
Experimental investigation and statistical analysis of tensile strength and thermal conductivity of polylactic acid nanocomposites2
Analysis of microstructure and wear resistance of friction stir welded joints of 7075-T6 aluminum alloy2
Influence of cerium substitution on structural and dielectric properties of the modified BiFeO3-PbTiO3 ceramics2
Modeling and characterization of thick piezoelectric disk including radial, longitudinal and shear modes2
Characterization, performance analysis and comparison of ZrO 2 or TiO 2 doped Al 2 O 2
Polarization reversal in the uniaxial ferroelectric under full compensation of depolarization field2
Carbon doping effect on the optoelectronic properties of the KNO3material2
Photolithographic fabrication and characterization of ultrafast response integrated planar micro-supercapacitors for on-chip energy storage devices2
Effect of ZrO2 doping on the growth of lead-free piezoelectric 0.75(Bi1/2Na1/2)TiO3-0.25SrTiO3 single crystals by solid-state single crystal grow2
Study on epoxy bonding properties of thermoplastic polyurethane/polyphenylene sulfide composites reinforced by surface-modified basalt fiber2
Removal of tetracycline from wastewater by Fe-modified oyster shell2
Analysis of factors influencing about the effects of the liquid crystal micro fluid drive2
Effects of hydrothermal temperature on morphology and electrochemical properties of ZnCo 2 O 4 -based composites nanomaterials2
Polarization switching in nanoscale ferroelectrics2
Synthesis and enantioseparation characteristics of a novel β-cyclodextrin chiral stationary phase based on diazotized silica in HPLC2
Preparation and properties of three-dimensional dendritic NiCuP-supported nickel foam catalysts2
The Microstructure and Tribological Behavior of Ultrasonic Electroless Ni-P Plating on TC4 Titanium Alloy with Heat-Treatment2
Conductivity and structural analysis of perovskite-like BiAlO3 doped (K0.44Na0.52Li0.4)(Nb0.86Ta0.1Sb0.04)O3 bas2
Additive-manufactured piezo-excited cantilever beams for liquid viscosity measurement with thickness optimization2
Nanometer materials and the repairing function of ligament injury in basketball2
Spatial and temporal localization of ultrasonic heating effect using cylindrical standing waves2
Synthesis, microstructure and magnetic properties of Co2+ and Al3+ substituted La-Zn nano ferrites2
Consequence of microwave synthesis of Li3.6Si0.6V0.4O4for electrode application using LiNO3, V2O3, and silica obtained from2
Effect of boron doping on energy storage performance of PLZST ceramics2
Recent progress of lithium titanate as anode material for high performance Lithium-Ion batteries2
On phase transitions in the NaH 3 (SeO 3 ) 2 crystal2
Study of structural, dielectric, transport and optical properties of the CaMn 0.94 Ce 0.06 O 3 2
Growth of crack free Nd2Ti2O7 thin films using La0.7Sr0.3MnO3±δ as a template layer for high temperature pyroelectric applications2
First-principles study of the ferrielectric of X-doped KNbO3 (X = Na, Rb, and Cs)2
30 GHz ferroelectric phase shifter on silicon carbide2
First principal calculation of the physical proprieties of the ternary intermetallic compound Gd 2 Cu 2 Cd for magnetic refrigerat2
Transformation of initial domain structure by ac electric field in lithium tantalate crystals with composition gradient2
A DFT and Monte Carlo studies of physical properties of the Fe2N compound2
Kinetics of acid leaching of high Ca and Si manganese ores by experiments and CFD simulation in dual impeller stirred tank2
An antibacterial non-woven fabric: preparation, antibacterial and mechanical properties2
Effect of annealing temperature on properties and second phase characteristics of 443 stainless steel hot-rolled sheets2
Dielectric properties of Nd(Ti0.5Mo0.5)O4 ceramics at microwave frequency for antenna application in 5G FR2 frequency band2
Ethyl vanillin incorporated chitosan (EV/CS) can improve its excipient performances evaluated by direct compressing tablet2
Effect of sintering temperature on microstructure, dielectric and ferroelectric properties of BaTiO3 ceramics2
Direct shear test analysis of root–soil complex considering the change of shear surface area2
High energy ball milling method for silicon-based anode materials with porous structure research2
Structural and physical properties of hydroxyapatite modified by Sr/Ca substitutions2
Preparation and application of graphene oxide hybrid polyaniline based flexible electrode materials2
Study of dielectric properties of nanocrystalline material BaTiO 3 -SiO 22
Research on the electronic structure of the interface between the LiNbO3 and the magic angle graphene electrode: first principle calculation2
Effect of process parameters on size distributions and micro-morphology of aluminum powders via vacuum gas atomization2
A special role of water in dielectrics of different structural organization2
Structural and electrical characterization of iron and lithium co-doped barium strontium titanate composite2
Piezoelectric properties enhancement of perforated ferroelectric thin films during in-plane polarization reversal2
Dielectric relaxation and thermodynamic study of aqueous Glycine using time domain reflectometry technique2
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