Spartak Gevorgian
Showing 272 publications
Tunable ferroelectric FBARs: An overview
Extraction of carrier transport properties in graphene from microwave measurements
Intrinsically tunable bulk acoustic wave resonators based on sol-gel grown PMN-PT films
Intrinsically Switchable and Tuneable FBARs for Microwave Communication and Sensor Applications
Intrinsically switchable bulk acoustic wave resonators based on paraelectric films
Intrinsically switchable thin film bulk acoustic wave resonators
Ferroelectric film bulk acoustic wave resonators for liquid viscosity sensing
Tuneable Film Bulk Acoustic Wave Resonators
Tunable FBARs Based on Sol-Gel Grown PMN-PT Films
Tunable FBARs based on sol-gel grown PMN-PT films
Microwave characterization of Ti/Au-graphene contacts
Effect of Growth Conditions on Performance of BiFeO3-0.33BaTiO3 BAW Resonators
Loss balance in tunable ferroelectric FBARs
Enhanced tunable performance of high Q-factor BaxSr1-xTiO3 film bulk acoustic wave resonators
Impedance of DC-Bias-Controlled Composite FBARs
Loss balance in tunable ferroelectric FBARs
Ferroelectric film bulk acoustic wave resonators for liquid viscosity sensing
ADS Based 1D Model of Solidly Mounted FBARs Including Longitudinal and Shear Waves
Intrinsically tunable 0.67 BiFeO3-0.33 BaTiO3 thin film bulk acoustic wave resonators
Microwave Response of BiFeO3 Films in Parallel-Plate Capacitors
Improved Tunable Performance of high Q-factor BaxSr1-xTiO3 Film Bulk Acoustic Wave Resonators
Tunable FBARs: Intrinsic vs. extrinsic tunability
Microwave characterization of intrinsically tunable FBARs
Tunable BiFeO3-BaTiO3 thin film bulk acoustic wave resonators for microwave applications
Capacitance arrangement and method relating thereto
Dielectric model of point charge defects in insulating paraelectric perovskites
Correlations between microstructure and Q-factor of tunable thin film bulk acoustic wave resonators
Model of ferroelectric FBARs including longitudinal and shear waves
Method to increase the tuneability of varactor
Microwave losses in ferroelectric varactors
Effect of interface roughness on acoustic loss in tunable thin film bulk acoustic wave resonators
Switchable/Tunable FBARs: Current status and potential
Growth and dielectric characterisation of large grain BiFeO3 thin films on amorphous SiO2 substrates
Impact of the electrodes on the tunability of paraelectric BST film based FBARs
Tuneable ferroelectric delay line having mirror image conductors
Tunable microwave arrangement (surface mounted resonator)
Ferroelectrics in passive scanning antennas
Tunable BaxSr1-xTiO3 FBARs based on SiO2/W Bragg reflectors
Improved performance of tunable BaxSr1-xTiO3 TFBARs
Microwave and thz applications of ferroelectrics and multiferroics
Evaluation of tunable FBARs with improved performance
Tunable thin film bulk acoustic wave resonators with improved Q-factor
A highly integrated heterogeneous micro- and mm-wave platform
Varactor device with reduced temperature dependence
Ferroelectric varactors suitable for capacitive shunt switching
Layout Optimization of Small-Size Ferroelectric Parallel-Plate Varactors
Parameter extraction for tunable TFBARs based on BaxSr1-xTiO3
A voltage controlled switching device
Agile Microwave Dielectrics: Are there Other Alternatives to BaxSr1-xTiO3
Agile Ferroelectric Components in EC Project NANOSTAR
Composition dependent tunable microwave properties of thin BaxSr1-xTiO3 films
The potential of multiferroics for GHz and THz applications
Varactor Device with Reduced Temperature Dependence.
Modeling of Conductor Losses in Capacitors with Rectangular and Circular Plates
Self-Propagating High-Temperature Synthesis (SHS) of Fe doped YMnO3 and BaTiO3
Room temperature dynamic life time measurements of ferroelectric varactors
Tunable technologies for agile microwave systems
Oscillator circuit with tuneable signal delay means
Oscillators based on monolithically integrated AlN TFBARs
Left-Handed Media Using. Dielectric Ring Resonators
Low loss left-handed media using dielectric ring resonators
Millimetre-wave phase shifter based on dielectric rod waveguide
A 2 GHz oscillator using a monolithically integrated AlN TFBAR
Modelling of Conductor Losses in Capacitors with Rectangular and Circular Plates
On-Wafer characterization of varactors using resonating microprobes
Delay locked loop with precision controlled delay
Design of the Compact Band-Pass Filter Utilizing Dielectric Loaded
Resonance technique for accurate on-wafer characterization of ferroelectric varactors
A low-noise K-band VCO based on room-temperature ferroelectric varactors
Tunable Solidly Mounted Thin Film Bulk Acoustic Resonators Based on BaxSr1-xTiO3 Films
Silicon Substrate Integrated Ferromagnetic Nanowires for Microwave
Delay locked loop with precision contolled delay
Ferroelectric varactors suitable for capacitive shunt switching and wireless sensing
Tunable Microwave Arrangements
Component for electromagnetic waves and a method for manufacturing the same
Comparison of high-resistivity silicon surface passivation methods
Oscillator circuit with tuneable signal delay means
Broadband microprobe characterization of the ferroelectric films and varactors
Circuit model of a SiGe HBT flip-chip mounted onto a silicon carrier
X-band left handed phase shifter using thin film Ba0.25Sr0.75TiO3 ferroelectric varactors
Thin film Ba0.25Sr0.75TiO3 varactors on Au bottom electrode for microwave applications
Tunable paraelectric films for millimeter wave & Terahertz applications
Ferroelectrics: Material Properties, Processing, and Microwave Applications
Ferroelectric thin films: Review of materials, properties, and applications
Tuneable electromagnetic bandgap structures based on high resistivity silicon substrates
Ferroelectric devices and method relating thereto
A detector for detecting electromagnetic radiation
Parallel-Plate Ferroelectric Varactors in Tunable Microwave Devices
Composite Right/Left Handed Transmission Line Phase Shifter Using Ferroelectric Varactors
The effect of interfacial transition layer on performance of thin film ferroelectric capacitors
A 2 GHz oscillator based on a solidly mounted thin film bulk acoustic wave resonator
Tunable ferroelectric resonator arrangement
Ferroelectric thin-film based two-dimensional electromagnetic bandgap structures
Microwave performance of thin film ferroelectric varactors in the wide temperature range
The Potential of Thin Film Ferroelectric Varactors for Applications in Large Microwave Arrays
Large Signal Circuit Model of Parallel-Plate Ferroelectric Varactors
Microwave performance of varactors based on nanostructured BSTO films
Ba0.25Sr0.75TiO3 thin film varactors on SrRuO3 bottom electrode
MMICs for Micro and Millimeterwave applications in a 90 nm CMOS technology
Microwave performance of thin film ferroelectric varactors in the wide temperature range
Open resonator technique for measuring multilayered dielectric plates
Analysis of multiplier with a novel symmetric ferroelectric varactor
High-Q Fringing-Field-Enhanced capacitors(FFE) for deep submicron Silicon-MMICs
Electronically scanning beamformers based on ferroelectric technology
Ultrawide-band tunable true-time delay lines using ferroelectric varactors
Component for electromagnetic waves and a method for manufacturing the same
Microwave Loss Mechanisms in Ba0.25Sr0.75TiO3 Films
A balanced 23 GHz voltage-controlled oscillator based on ferroelectric varactors
Oscillator circuit for locking two or more LC-oscillators by mutual inductance coupling
LTCC compatible ferroelectric phase shifters
Composite Right/Left Handed Transmission LinePhase Shifter using Ferroelectric Varactors
GaAs varactor tuned filter for low power applications
Ba 0.25Sr 0.75TiO3 -metal microstructure, surface morphology and interfaces.
Arrangement mounted on a printed circuit board and method of producing such an arrangement
Tunable ferroelectric resonator arrangement
Silicon substrate integrated ferroelectric microwave components
Non-destructive microwave characterization of ferroelectric films on conductive substrates
Large signal circuit model of parallel-plate ferroelectric
Integration of parallel-plate ferroelectric varactors with BCB-on-silicon microstrip circuits
Microwave loss mechanisms in Ba0.25Sr0.75TiO3$ thin film varactors
Ferroelectrically tuneable delay lines
CMOS MMICs for microwave and millimeter wave applications
Ferroelectric devices and method relating thereto.
Microwave power dependent properties of ferroelectric varactors.
Arrangement relating to conductor carriers and methods for the manufacture of such carriers.
Correlation between microstructure, DC resistivity and magnetoresistance of SrRuO3 films
dc and microwave resistivities of SrRuO_3 films deposited on SrTiO_3
Multilayer balun transformer structure
Conduction and microwave loss mechanisms in Ba0.25Sr0.75TiO3 films
Optical electromagnetic wave generator
Electrically tunable device and a method relating thereto
Tunable electromagnetic bandgap structures based on ferroelectric films
SrTiO3 thin film varactors on Si for microwave applications
Microwave properties of SrTiO3/SrRuO3/CeO2/YSZ heterostructure on low-resistivity silicon
Antenna arrangement and a communication arrangement comprising the same
Tunable high Tc superconductive microwave devices
Arrangement for more even current distribution in a transmission line
Arrangement mounted on a printed circuit board and method of producing such an arrangement
The double loop hysteresis in DC dependent dielectric permittivity of SrTiO3
Parallel plate microwave devices having tapered current interrupting slots
Multilayer balun transformer structure
SrTiO3 thin film varactors on Si for microwave applications
DC field induced antiferroelectric phase transition in bulk, single crystal strontium titanate
Optical electromagnetic wave generator
DC field dependent properties of Na0.5K0.5NbO3/SiO2/Si structures at millimeter-wave frequencies
Strain induced ferroelectrosity in epitaxial SrTiO3 films
Mode chart of electrically thin parallel-plate circular resonators
Electrically tunable device and a method relating thereto
Arrangement and method relating to coupling of signals to/from microwave devices
Analytic approximation for open-end capacitance in symmetric coplanar-strip waveguides
Tailoring the temperature coefficient of capacitance in ferroelectric varactors
Arrangement and method relating to tunable devices through the controlling of plasma surface waves
Superconducting arrangement with non-orthogonal degenerate resonator modes
X-ray study of SrTiO3 thin films in multilayer structures
Na0.5K0.5NbO3/SiO2/Si Thin Film Varactor
Modeling gap discontinuity in coplanar waveguide using quazi-static spectral domain method
Arrangement and method relating to filtering of signals
Effect of YBCO electrodes on the properties of STO based varactors
Electric field dependent microwave losses in KTaO3 single crystal with YBa2CU3O7-x electrodes
Conformal mapping of the field and charge distributions in multilayered substrate CPWs
Growth and field dependent dielectric properties of epitaxialNa 0.5 K 0.5 NbO 3 thin films
Tunable microwave devices based on bulk and thin film ferroelectrics
Surface impedance of silicon substrates and films
HTS/ferroelectric devices for microwave applications
Effect of enhanced current crowding in a CPW with a thin ferroelectric film
Experimental Study of Thin Film HTS/Ferroelectric CPW Phase Shifters for Microwave Applications
CAD models for multilayered substrate interdigital capacitors
Lower order modes of YBCO/STO/YBCO circular disk resonators
CAD Model of a Gap in a Coplanar Waveguide
Modelling of thin-film HTS/ferroelectric interdigital capacitors
Fundamental TM Mode of a Superconducting Parallel Plate Waveguide
Single-Step Buried Waveguides in Glass by Field Assisted Copper Ion Exchange
Effects of package width on K-band high-temperature superconducting filters
CAD Models for Shielded Multilayered CPW
1 GHz tunable resonator on bulk single crystal SrTiO3 plated with YBa2Cu3O7-x films
Effective Dielectric Permittivity of r-Cut Sapphire Microstrip
Microwave Performance of a HTSC Coplanar-Strip Waveguide
Critical Limitations in Low-Loss Narrow-Band filter Design
Optical Triggering of a Planar p+-p-p+ Device at Microwave Frequencies
Electrically Controlled HTSC/Ferroelectric Coplanar Waveguide
Short Circuit Photocurrent Controlled Microwave p-i-n Diode Switch
CAD Model for Microstrips on r-cut Sapphire Substrates
Basic characteristics of two layered substrate coplanar waveguides
Analytical models for shielded multilayered CPW
Optical Response of a YBCO Coplanar Waveguide Resonator
Design Considerations for an Optically Exited Semiconductor Microstrip Gap at Microwave Frequencies
Net Electrical Power Consumption in a Microwave Fiber Optical Transmission Line
Microwave Losses in a Fibre Optical Transmission Line
The Optical Power Distribution and Scattering Losses in Symmetric Channel Waveguide X-Junction
Buried Waveguides in Glass Made by Electrostimulated Ion Exchange
Planar Optical Waveguide in K8 Glass Made by Electromigration from Copper Films
Optics Control Microwaves. The Next Step
Asymmetric Coplanar-Strip Transmission Lines for MMIC and Integrated Optic Applications
Nonlinear absorption in the Glasses Doped by CdS
Microwave Conductivity of Optically Excited Gap in a Semiconductor Microstrip
Float Glass: an Industrial Substrate for Integrated Optics
Integrated Optical X-Junctions
Coupling Among Waveguides of Small Spacing
Local Parameter Measurements of Polymer Films
Optically Controlled Microwave Semiconductor Devices
Reverse Biased Equivalent Microwave Parameters of p+-p-n+ (p+-n-n+) Structures
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Showing 3 research projects
Integrated graphene/ferroelectric films for microwave/THz devices
Switchable and tunable composite film bulk acoustic wave resonators (CompFBAR)
Photonic Advanced Research And Development for Integrated Generic Manufacturing (PARADIGM)