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