A. Vorobiev

发表

Effects of Self-Heating on ${f}_{\text{T}}$ and ${f}_{\text{max}}$ Performance of Graphene Field-Effect Transistors

C. Stampfer, D. Neumaier, M. Bonmann, 2020, IEEE Transactions on Electron Devices.

Effects of self-heating on fT and fmax performance of graphene field-effect transistors

C. Stampfer, D. Neumaier, M. Bonmann, 2019 .

Enhanced High-Frequency Performance of Top-Gated Graphene FETs Due to Substrate- Induced Improvements in Charge Carrier Saturation Velocity

K. Jeppson, M. Bonmann, A. Vorobiev, 2021, IEEE Transactions on Electron Devices.

Does carrier velocity saturation help to enhance fmax in graphene field-effect transistors?

C. Stampfer, D. Neumaier, M. Bonmann, 2019, Nanoscale advances.

Graphene Field-Effect Transistors With High Extrinsic

${f}_{T}$

and

${f}_{\mathrm{max}}$

C. Stampfer, D. Neumaier, M. Bonmann, 2019, IEEE Electron Device Letters.

Graphene field-effect transistors with high extrinsic fT and fmax

C. Stampfer, D. Neumaier, M. Bonmann, 2018 .

Graphene field-effect transistors for high frequency applications

C. Stampfer, D. Neumaier, M. Bonmann, 2018 .

Charge carrier velocity in graphene field-effect transistors

M. Bonmann, A. Vorobiev, J. Stake, 2017 .

Feasibility of Ambient RF Energy Harvesting for Self-Sustainable M2M Communications Using Transparent and Flexible Graphene Antennas

Jan Stake, Andrei Vorobiev, Martin Johansson, 2016, IEEE Access.

Microwave characterization of Ti/Au-graphene contacts

S. Gevorgian, A. Vorobiev, J. Stake, 2013 .

Describing Broadband Terahertz Response of Graphene FET Detectors by a Classical Model

K. Jeppson, Xinxin Yang, A. Vorobiev, 2020, IEEE Transactions on Terahertz Science and Technology.

Homodyne detection in graphene FET power detectors

Xinxin Yang, A. Vorobiev, J. Stake, 2018 .

A 400-GHz Graphene FET Detector

Xinxin Yang, A. Vorobiev, J. Stake, 2017, IEEE Transactions on Terahertz Science and Technology.

A flexible graphene terahertz detector

Xinxin Yang, A. Vorobiev, J. Stake, 2017 .

Direct nanoscopic observation of plasma waves in the channel of a graphene field-effect transistor

S. Winnerl, H. Roskos, M. Bonmann, 2020, Light, science & applications.

Distinction of the thermoelectric effect in graphene FET THz detectors

H. Roskos, M. Prunnila, Zhipei Sun, 2020, 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).

A Linear-Array of 300-GHz Antenna Integrated GFET Detectors on a Flexible Substrate

K. Jeppson, Jian Yang, Xinxin Yang, 2020, IEEE Transactions on Terahertz Science and Technology.

Thermoelectric graphene photodetectors with sub-nanosecond response times at terahertz frequencies

Kenji Watanabe, T. Taniguchi, A. Ferrari, 2020, Frontiers in Optics and Photonics.

A heterodyne graphene FET detector at 400 GHz

Xinxin Yang, A. Vorobiev, J. Stake, 2017, 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).

Graphene in millimeter wave devices

A. Vorobiev, J. Stake, M. Andersson, 2014, 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).

Characterization of Al2O3 gate dielectric for graphene electronics on flexible substrates

M. Bonmann, Xinxin Yang, A. Vorobiev, 2016, 2016 Global Symposium on Millimeter Waves (GSMM) & ESA Workshop on Millimetre-Wave Technology and Applications.

Composite right/left handed transmission line phase shifter using ferroelectric varactors

S. Gevorgian, P. Linnér, A. Vorobiev, 2006, IEEE Microwave and Wireless Components Letters.

dc field and temperature dependent acoustic resonances in parallel-plate capacitors based on SrTiO3 and Ba0.25Sr0.75TiO3 films: Experiment and modeling

S. Gevorgian, T. Lewin, A. Vorobiev, 2006 .

Ultrawide-band tunable true-time delay lines using ferroelectric varactors

S. Gevorgian, P. Linnér, A. Vorobiev, 2005, IEEE Transactions on Microwave Theory and Techniques.

Microwave loss mechanisms in Ba0.25Sr0.75TiO3 thin film varactors

S. Gevorgian, A. Vorobiev, P. Rundqvist, 2004 .

Fabrication of Ferroelectric Components and Devices

S. Gevorgian, A. Vorobiev, 2009 .

Effect of interface roughness on acoustic loss in tunable thin film bulk acoustic wave resonators

Andrei Vorobiev, Spartak Gevorgian, Eva Olsson, 2011 .

Comparison of high-resistivity silicon surface passivation methods

J. Raskin, D. Lederer, S. Gevorgian, 2007, 2007 European Microwave Integrated Circuit Conference.

Substrates, Varactors and Passive Components

S. Gevorgian, A. Vorobiev, 2009 .

Performance of Coplanar Waveguides on Surface Passivated Highly Resistive Silicon Covered by Ferroelectric Thin Film

J. Raskin, D. Lederer, S. Gevorgian, 2007, 2007 IEEE/MTT-S International Microwave Symposium.

Adhesion layer-bottom electrode interaction during BaxSr1−xTiO3 growth as a limiting factor for device performance

Andrei Vorobiev, Spartak Gevorgian, Eva Olsson, 2012 .

Tunable BaxSr1−xTiO3 FBARs based on SiO2/W Bragg reflectors

S. Gevorgian, A. Vorobiev, S. Gevorgian, 2010, 2010 IEEE MTT-S International Microwave Symposium.

Fabrication Processes and Measurements

A. Tagantsev, S. Gevorgian, A. Vorobiev, 2013 .

Study of correlation between the microstructure and phase inhomogeneities of Y-Ba-Cu-O epitaxial films and their DC and microwave properties

S. A. Gusev, V. Talanov, A. Vorobiev, 1999 .

Circuit Applications of Tuneable FBARs

A. Tagantsev, S. Gevorgian, A. Vorobiev, 2013 .

Making Non-tuneable Piezoelectric FBARs Tuneable

A. Tagantsev, S. Gevorgian, A. Vorobiev, 2013 .

Tunable FBARs: Intrinsic vs. extrinsic tunability

S. Gevorgian, A. Vorobiev, 2012, 2012 IEEE/MTT-S International Microwave Symposium Digest.

Experimental Characterization of the 3rd Order Nonlinearities in Thin Film Parallel-Plate Ferroelectric Varactors

S. Gevorgian, E. Kollberg, A. Vorobiev, 2007, 2007 IEEE/MTT-S International Microwave Symposium.

Microwave power dependent properties of ferroelectric varactors

S. Gevorgian, A. Vorobiev, P. Rundqvist, 2003 .

Field and temperature dependent parameters of the dc field induced resonances in BaxSr1−xTiO3-based tunable thin film bulk acoustic resonators

Martin Norling, Andrei Vorobiev, Spartak Gevorgian, 2008 .

Intrinsically tunable bulk acoustic wave resonators based on sol-gel grown PMN-PT films

S. Gevorgian, D. Suvorov, A. Vorobiev, 2014 .

Correlations between microstructure and Q-factor of tunable thin film bulk acoustic wave resonators

S. Gevorgian, A. Vorobiev, E. Olsson, 2011 .

Tunable thin film bulk acoustic wave resonators with improved Q-factor

S. Gevorgian, A. Vorobiev, 2010 .

Micellar peroxidase-catalyzed synthesis of chiral polyaniline.

V. Lobachov, A. Makarov, A. Vorobiev, 2007, Biomacromolecules.

A technique for high-power microwave diagnostics of large-area homogeneous HTS films

S. A. Pavlov, A. N. Reznik, K. Gaikovich, 1999, IEEE Transactions on Applied Superconductivity.

Intrinsically switchable thin film bulk acoustic wave resonators

S. Gevorgian, A. Vorobiev, 2014 .

Intrinsically switchable bulk acoustic wave resonators based on paraelectric films

S. Gevorgian, A. Vorobiev, S. Gevorgian, 2014, 2014 44th European Microwave Conference.

Intrinsically tunable 0.67BiFeO3-0.33BaTiO3 thin film bulk acoustic wave resonators

S. Gevorgian, A. Vorobiev, E. Olsson, 2012 .

dc and microwave resistivities of SrRuO3 films deposited on SrTiO3

Z. Ivanov, S. Gevorgian, A. Vorobiev, 2003 .

Impedance of DC-bias-controlled composite FBARs

S. Gevorgian, A. Vorobiev, 2013, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

Geometrical magnetoresistance effect and mobility in graphene field-effect transistors

A. Vorobiev, S. Arpiainen, M. Soikkeli, 2022, Applied Physics Letters.

Dielectric properties of Mn doped Bismuth Barium Titanate based ceramic thin films prepared by PLD technique

S. Gevorgian, F. Touati, Z. Ahmad, 2017 .

Test structures for evaluating Al2O3 dielectrics for graphene field effect transistors on flexible substrates

K. Jeppson, M. Bonmann, Xinxin Yang, 2018, 2018 IEEE International Conference on Microelectronic Test Structures (ICMTS).

Low-frequency Noise Characterization of Graphene FET THz Detectors

C. Stampfer, K. Jeppson, D. Neumaier, 2018, International Conference on Infrared, Millimeter, and Terahertz Waves.

Correlation between material quality and high frequency performance of graphene field-effect transistors

M. Bonmann, Xinxin Yang, A. Vorobiev, 2019 .

Effects of self-heating on high-frequency performance of graphene field-effect transistors

C. Stampfer, D. Neumaier, M. Bonmann, 2019 .

The effect of growth temperature on the nanostructure and dielectric response of BaTiO3 ferroelectric films

S. Gevorgian, A. Vorobiev, J. Berge, 2007 .

RF Properties of Carbon Nanotube / Copper Composite Through Silicon Via Based CPW Structure for 3D Integrated Circuits

Johan Liu, Yifeng Fu, Nan Wang, 2019, 2019 IEEE 14th Nanotechnology Materials and Devices Conference (NMDC).

Microwave properties of SrTiO3/SrRuO3/CeO2/YSZ heterostructure on low-resistivity silicon

S. Gevorgian, A. Vorobiev, P. Rundqvist, 2002 .

Integrated 10-GHz Graphene FET Amplifier

A. Vorobiev, J. Stake, M. Asad, 2021, IEEE Journal of Microwaves.

Wide bandwidth terahertz mixers based on graphene FETs

C. Stampfer, K. Jeppson, D. Neumaier, 2019, 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).

Conclusions and Challenges

A. Tagantsev, S. Gevorgian, A. Vorobiev, 2013 .

The effect of SiO2, Pt, and Pt∕Au templates on the microstructure and permittivity of BaxSr1−xTiO3 films

S. Gevorgian, A. Vorobiev, E. Olsson, 2006 .

The Dependence of the High-Frequency Performance of Graphene Field-Effect Transistors on Channel Transport Properties

C. Stampfer, K. Jeppson, D. Neumaier, 2020, IEEE Journal of the Electron Devices Society.

FBARs Utilizing Induced Piezoelectric Effect

A. Tagantsev, S. Gevorgian, A. Vorobiev, 2013 .

New Research Directions in Tunable Microwave Dielectrics

Bonnie D. Riehl, G. Subramanyam, A. Vorobiev, 2004 .

Dielectric model of point charge defects in insulating paraelectric perovskites

S. Gevorgian, A. Vorobiev, N. Martirosyan, 2011 .

Correlation between microstructure, DC resistivity and magnetoresistance of SrRuO3 films

Z. Ivanov, S. Gevorgian, A. Vorobiev, 2002 .

Experimental investigation of a local mixed state induced by a small ferroparticle in YBaCuO films

A. Vorobiev, E. Kluenkov, P. P. Vysheslavtsev, 1999, IEEE Transactions on Applied Superconductivity.

Surface morphology, microstructure and electrical properties of Y-Ba-Cu-O thin films

S. A. Gusev, V. Talanov, A. Vorobiev, 1997, IEEE Transactions on Applied Superconductivity.

Growth and dielectric characterisation of large grain BiFeO3 thin films on amorphous SiO2 substrates

S. Gevorgian, A. Vorobiev, S. Eriksson, 2010 .

Thin film Ba0.25Sr0.75TiO3 voltage tuneable capacitors on fused silica substrates for applications in microwave microelectronics

S. Gevorgian, A. Vorobiev, J. Berge, 2007 .

Ba0.25Sr0.75TiO3 thin film varactors on SrRuO3 bottom electrode

T. Claeson, S. Gevorgian, A. Vorobiev, 2006 .

Microwave loss mechanisms in Ba0.25Sr0.75TiO3 films

S. Gevorgian, A. Vorobiev, P. Rundqvist, 2005 .

Growth temperature dependent dielectric properties of BiFeO3 thin films deposited on silica glass substrates

S. Gevorgian, A. Vorobiev, Taimur Ahmed, 2012 .

Direct nanoscopic observation of plasma waves in the channel of a graphene field-effect transistor

S. Winnerl, H. Roskos, M. Bonmann, 2020, Light: Science & Applications.

Layout Optimization of Small-Size Ferroelectric Parallel-Plate Varactors

S. Gevorgian, A. Vorobiev, D. Kuylenstierna, 2010, IEEE Transactions on Microwave Theory and Techniques.

Layout Optimization of Small-Size

Martin Norling, Andrei Vorobiev, Spartak Gevorgian, 2010 .

Large signal circuit model of parallel-plate ferroelectric varactors

S. Gevorgian, P. Rundqvist, A. Vorobiev, 2006, 34th European Microwave Conference, 2004..

Silicon substrate integrated high Q-factor parallel-plate ferroelectric varactors

Andrei Vorobiev, A. Vorobiev, P. Rundqvist, 2003 .

Tunable FBARs based on sol-gel grown PMN-PT films

S. Gevorgian, D. Suvorov, A. Vorobiev, 2013, 2013 European Microwave Integrated Circuit Conference.

Tunable FBARs based on sol-gel grown PMN-PT films

S. Gevorgian, D. Suvorov, A. Vorobiev, 2013, 2013 European Microwave Conference.

Silicon substrate integration of BST based tunable TFBARs using all-dielectric SiO2/AlN Bragg reflectors

S. Gevorgian, A. Vorobiev, J. Berge, 2010, 2010 Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF).

Silicon Substrate Integrated Ferroelectric Microwave Components

S. Gevorgian, A. Vorobiev, D. Kuylenstierna, 2004 .

Tuneable Film Bulk Acoustic Wave Resonators

Andrei Vorobiev, Spartak Gevorgian, A. Tagantsev, 2013 .

Y-Ba-Cu-O thin films composition formation during magnetron sputtering

V. I. Luchin, S. A. Gusev, A. Vorobiev, 1999, IEEE Transactions on Applied Superconductivity.

Effect of ferroelectric substrate on carrier mobility in graphene field-effect transistors

A. Vorobiev, J. Stake, S. Bidmeshkipour, 2015 .

Impact of the electrode material and shape on performance of intrinsically tunable ferroelectric FBARs

Andrei Vorobiev, Spartak Gevorgian, S. Gevorgian, 2014, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control.

Effect of growth conditions on microstructure of BiFeO3-0.33BaTiO3 films and performance of bulk acoustic wave resonators

S. Gevorgian, A. Vorobiev, E. Olsson, 2014 .

Enhanced tunable performance of high Q-factor BaxSr1−xTiO3 film bulk acoustic wave resonators

S. Gevorgian, A. Vorobiev, 2013, International Journal of Microwave and Wireless Technologies.

Enhanced tunable performance of high Q-factor Ba x Sr 1 2 x TiO 3 film bulk acoustic wave resonators andrei vorobiev and spartak gevorgian

A. Vorobiev, 2013 .

Models of FBARs

A. Tagantsev, S. Gevorgian, A. Vorobiev, 2013 .

Designs of Tuneable FBARs

A. Tagantsev, S. Gevorgian, A. Vorobiev, 2013 .

Composite ferroelectric fbars that are switchable between the first and second harmonics: experimental demonstration

S. Gevorgian, A. Vorobiev, 2015, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control.

Tunable Solidly Mounted Thin Film Bulk Acoustic Resonators Based on Ba$_{x}{{\hbox{Sr}}_{1-x}}{\hbox{TiO}}_{3}$ Films

S. Gevorgian, A. Vorobiev, W. Steichen, 2007, IEEE Microwave and Wireless Components Letters.

CAD oriented frequency, temperature, and DC bias dependent small‐signal, scalable circuit model of parallel‐plate paraelectric varactors

S. Gevorgian, H. Jacobsson, T. Lewin, 2009 .

Terahertz Rectennas on Flexible Substrates Based on One-Dimensional Metal–Insulator–Graphene Diodes

D. Neumaier, M. Lemme, Zhenxing Wang, 2021, ACS Applied Electronic Materials.

Non-Destructive Microwave Characterization of Ferroelectric Films on Conductive Substrates

Andrei Vorobiev, Spartak Gevorgian, S. Gevorgian, 2004 .

A Simple Parallel-Plate Resonator Technique for Microwave. Characterization of Thin Resistive Films

V. Talanov, A. Vorobiev, A. Deleniv, 2002 .

Effect of oxide traps on channel transport characteristics in graphene field effect transistors

M. Bonmann, A. Vorobiev, J. Stake, 2017 .

Mobility and quasi-ballistic charge carrier transport in graphene field-effect transistors

N. Rorsman, A. Vorobiev, Isabel Harrysson Rodrigues, 2022, Journal of Applied Physics.

Graphene FET on Diamond for High-Frequency Electronics

K. Jeppson, A. Vorobiev, J. Stake, 2021, IEEE Electron Device Letters.

Graphene Field-Effect Transistors for Millimeter Wave Amplifiers

C. Stampfer, D. Neumaier, M. Bonmann, 2019, 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).

Graphene Field-Effect Transistors With High Extrinsic

${f}_{T}$

and

${f}_{\mathrm{{max}}}$

C. Stampfer, D. Neumaier, M. Bonmann, 2019, IEEE Electron Device Letters.

Loss balance in tunable ferroelectric FBARs

S. Gevorgian, A. Vorobiev, 2013, European Microwave Integrated Circuits Conference.

Microwave Response of BiFeO3 Films in Parallel-Plate Capacitors

S. Gevorgian, A. Vorobiev, Taimur Ahmed, 2012 .

Impact of the electrodes on the tunability of paraelectric BST film based FBARs

S. Gevorgian, A. Vorobiev, 2010, The 40th European Microwave Conference.

25 GHz and 28 GHz Wide Tuning Range 130 nm CMOS VCOs with Ferroelectric Varactors

S. Gevorgian, A. Vorobiev, D. Kuylenstierna, 2007, 2007 IEEE International Workshop on Radio-Frequency Integration Technology.

GHz and 28 GHz wide tuning range 130 nm CMOS VCOs with ferroelectric

Gevorgian, A. Vorobiev, D. Kuylenstierna, 2008 .

Tuneable metamaterials based on ferroelectric varactors

S. Gevorgian, A. Vorobiev, 2007, 2007 European Microwave Conference.

Electromechanical Modelling and Reduction of the Electroacoustic Losses in Parallel-Plate Ferroelectric Varactors

S. Gevorgian, A. Vorobiev, J. Berge, 2006, 2006 European Microwave Conference.

X-band Left Handed Phase Shifter using Thin Film Ba0.25SR0.75TiO3 Ferroelectric Varactors

T. Itoh, S. Gevorgian, E. Ash, 2006, 2006 European Microwave Conference.

X-bandLeftHandedPhaseShifter usingThinFilmBa025 Sr 075 TiO3

Tatsuo Itoh, Andrei Vorobiev, Ericsson Ab, 2006 .

Microwave performance of thin film ferroelectric varactors in the wide temperature range

S. Gevorgian, A. Vorobiev, 2005 .

Thin Film Ba0.25 Sr0.75 TiO3 Varactors on Au Bottom Electrode for Microwave Applications

S. Gevorgian, A. Vorobiev, J. Berge, 2006, European Microwave Conference.

Ultrawide-Band Tunable True-Time Delay Lines

S. Gevorgian, P. Linnér, A. Vorobiev, 2005 .

Tunable electromagnetic bandgap performance of coplanar waveguides periodically loaded by ferroelectric varactors

Dan Kuylenstierna, Guru Subramanyam, Andrei Vorobiev, 2003 .

Ferroelectric film bulk acoustic wave resonators for liquid viscosity sensing

S. Gevorgian, A. Vorobiev, 2013 .

Conduction and microwave loss mechanisms in Ba0.25Sr0.75TiO3 films

S. Gevorgian, A. Vorobiev, P. Rundqvist, 2003 .

Improved tunable performance of high Q-factor BaxSr1−xTiO3 film bulk acoustic wave resonators

S. Gevorgian, A. Vorobiev, S. Gevorgian, 2012, 2012 7th European Microwave Integrated Circuit Conference.

Dielectric, Mechanical, and Electromechanical Properties of Ferroelectrics and Piezoelectrics

A. Tagantsev, S. Gevorgian, A. Vorobiev, 2013 .

Extraction of carrier transport properties in graphene from microwave measurements

S. Gevorgian, A. Vorobiev, J. Stake, 2014, 2014 44th European Microwave Conference.