Andrei Vorobiev
Andrei Vorobiev received the M.Sc. degree in physics of semiconductors and dielectrics from Gorky State University, Gorky, Russia, in 1986 and Ph.D. degree in physics and mathematics from Institute for Physics of Microstructures of Russian Academy of Sciences (IPM RAS), Nizhny Novgorod, Russia, in 2000.
Since 1986 he has been an engineer and then the head of Laboratory of Microelectronics at Design Office of Measuring Instruments, Gorky, Russia with research interests in area of development of hybrid film microwave integrated circuits. In 1991 he joined the Technology Division of IPM RAS as senior research associate with research interests in the area of high temperature superconductor films and multi-layer structures.
Since 2001, he is at Department of Microtechnology and Nanoscience, Chalmers University of Technology, Göteborg, Sweden, at first as a Postdoctoral Fellow and then as a Researcher.
In 2008 he received title of docent (broadly equivalent to Associate Professor) in physical electronics awarded at Chalmers University of Technology.
He has authored or coauthored over 100 papers and conference presentations. His research interests are in the area of development and application of emerging functional materials and phenomena in microwave components and devices based on multiferroic and ferroelectric thin films including development of materials, thin film and microtechnology fabrication/processing steps and experimental investigation.
Showing 177 publications
Geometrical magnetoresistance effect and mobility in graphene field-effect transistors
Mobility and quasi-ballistic charge carrier transport in graphene field-effect transistors
Terahertz biometric sensors for fingerprint scanning
Evidence of quasi-ballistic transport limiting fT in graphene field-effect transistors
Charge carrier transport in graphene field-effect transistor scaled down to submicron gate lengths
Graphene FET on diamond for high-frequency electronics
Terahertz Rectennas on Flexible Substrates Based on One-Dimensional Metal–Insulator–Graphene Diodes
High-speed hBN/graphene/hBN room-temperature terahertz nano-receivers
Thermoelectric graphene photodetectors with sub-nanosecond response times at terahertz frequencies
Integrated 10-GHz Graphene FET Amplifier
Evaluation and Study of Mobility in GFETs by geometrical magnetoresistance
Thermoelectric graphene photodetectors with sub-nanosecond response times at terahertz frequencies
Distinction of the thermoelectric effect in graphene FET THz detectors
Effects of self-heating on fT and fmax performance of graphene field-effect transistors
Describing broadband terahertz response of graphene FET detectors by a classical model
Does carrier velocity saturation help to enhance fmax in graphene field-effect transistors?
A linear-array of 300-GHz antenna integrated GFET detectors on a flexible substrate
Direct nanoscopic observation of plasma waves in the channel of a graphene field-effect transistor
High-speed, low-noise thermoelectric graphene detectors at terahertz frequencies
Graphene Field-Effect Transistors for Millimeter Wave Amplifiers
Wide Bandwidth Terahertz Mixers Based On Graphene FETs
High frequency noise characterisation of graphene field-effect transistors at different temperatures
Effects of self-heating on high-frequency performance of graphene field-effect transistors
Graphene field-effect transistors with high extrinsic fT and fmax
Unveiling the plasma wave in the channel of graphene field-effect transistor
Drain current saturation in graphene field-effect transistors at high fields
Graphene field-effect transistors for high frequency applications
Low-frequency Noise Characterization of Graphene FET THz Detectors
An Integrated 200-GHz Graphene FET Based Receiver
Homodyne detection in graphene FET power detectors
Graphene based mmWave and THz devices
A flexible graphene terahertz detector
THz Power Detectors Fabricated on Si and Flexible Substrates
Broadband Flexible Graphene RF Power Detectors
A 400-GHz Graphene FET Detector
Charge carrier velocity in graphene field-effect transistors
A heterodyne graphene FET detector at 400 GHz
Effect of oxide traps on channel transport characteristics in graphene field effect transistors
Delay analysis for evaluation of carrier velocity in graphene field-effect transistors
Characterization of Al2O3 gate dielectric for graphene electronics on flexible substrates
Graphene field - effect transistors on LiNbO3 ferroelectric substrates
Graphene field - effect transistors on ferroelectric substrates
Effect of ferroelectric substrate on carrier mobility in graphene field-effect transistors
Tunable ferroelectric FBARs: An overview
Graphene in Millimeter Wave Devices
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
Tuneable Film Bulk Acoustic Wave Resonators
Ferroelectric film bulk acoustic wave resonators for liquid viscosity sensing
Tunable FBARs Based on Sol-Gel Grown PMN-PT Films
Microwave characterization of Ti/Au-graphene contacts
Tunable FBARs based on sol-gel grown PMN-PT films
Ferroelectric film bulk acoustic wave resonators for liquid viscosity sensing
Towards Graphene Electrodes for High Performance Acoustic Resonators
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
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
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
Microwave losses in ferroelectric varactors
Effect of interface roughness on acoustic loss in tunable thin film bulk acoustic wave resonators
Growth and dielectric characterisation of large grain BiFeO3 thin films on amorphous SiO2 substrates
Switchable/Tunable FBARs: Current status and potential
Ferroelectric thin film varactors for microwave devices, methods of characterization, circuit models
Ferroelectrics in passive scanning antennas
Tunable BaxSr1-xTiO3 FBARs based on SiO2/W Bragg reflectors
Impact of the electrodes on the tunability of paraelectric BST film based FBARs
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
Ferroelectric varactors suitable for capacitive shunt switching
Layout Optimization of Small-Size Ferroelectric Parallel-Plate Varactors
A voltage controlled switching device
Agile Microwave Dielectrics: Are there Other Alternatives to BaxSr1-xTiO3
Composition dependent tunable microwave properties of thin BaxSr1-xTiO3 films
The potential of multiferroics for GHz and THz applications
Room temperature dynamic life time measurements of ferroelectric varactors
On-Wafer characterization of varactors using resonating microprobes
Ferroelectric varactors suitable for capacitive shunt switching
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
Ferroelectric varactors suitable for capacitive shunt switching and wireless sensing
Comparison of high-resistivity silicon surface passivation methods
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
Broadband microprobe characterization of the ferroelectric films and varactors
Composite Right/Left Handed Transmission Line Phase Shifter Using Ferroelectric Varactors
The effect of interfacial transition layer on performance of thin film ferroelectric capacitors
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
Analysis of multiplier with a novel symmetric ferroelectric varactor
Microwave performance of thin film ferroelectric varactors in the wide temperature range
Ultrawide-band tunable true-time delay lines using ferroelectric varactors
Microwave Loss Mechanisms in Ba0.25Sr0.75TiO3 Films
A balanced 23 GHz voltage-controlled oscillator based on ferroelectric varactors
Composite Right/Left Handed Transmission LinePhase Shifter using Ferroelectric Varactors
Ba 0.25Sr 0.75TiO3 -metal microstructure, surface morphology and interfaces.
Silicon substrate integrated ferroelectric microwave components
Integration of parallel-plate ferroelectric varactors with BCB-on-silicon microstrip circuits
Large signal circuit model of parallel-plate ferroelectric
Non-destructive microwave characterization of ferroelectric films on conductive substrates
Microwave loss mechanisms in Ba0.25Sr0.75TiO3$ thin film varactors
Ferroelectrically tuneable delay lines
Microwave power dependent properties of ferroelectric varactors.
dc and microwave resistivities of SrRuO_3 films deposited on SrTiO_3
Correlation between microstructure, DC resistivity and magnetoresistance of SrRuO3 films
Silicon substrate integrated high Q-factor parallel-plate ferroelectric varactors
Conduction and microwave loss mechanisms in Ba0.25Sr0.75TiO3 films
Tunable electromagnetic bandgap structures based on ferroelectric films
Microwave properties of SrTiO3/SrRuO3/CeO2/YSZ heterostructure on low-resistivity silicon
SrTiO3 thin film varactors on Si for microwave applications
SrTiO3 thin film varactors on Si for microwave applications
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Showing 6 research projects
Graphene Core Project 3 (Graphene Flagship)
Flexibla terahertz detektorer i grafen
RF energy harvesting for M2M communication
High mobility graphene transistors with ferroelectrically induced bandgap
Carbon Based High Speed 3D GaN Electronics System
Integrated graphene/ferroelectric films for microwave/THz devices