John Berge

Kontakt

john.berge@umu.se

090-786 61 84, 070-397 91 42

Verksam som

Universitetslektor vid Institutionen för tillämpad fysik och elektronik

X, Håken Gullessons väg 20, Teknikhuset, TEK.C.415 Umeå universitet, 901 87 Umeå

Publikationer Publikationer

Tunable bulk acoustic wave resonators based on Ba0.25Sr0.75TiO3 thin films and a HfO2/SiO2 Bragg reflector

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Vol. 58, (12) : 2768-2771

Berge, John; Gevorgian, Spartak

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

Journal of Applied Physics, Vol. 110, (2)

Vorobiev, Andrei; Berge, John; Gevorgian, Spartak; et al.

The effect of Bragg reflectors on the electromechanical performance of parallel-plate ferroelectric capacitors

IOP Conference Series: Materials Science and Engineering - Fundamentals and Technology of Multifunctional Oxide Thin Films

Berge, John; Norling, Martin; Vorobiev, Andrei; et al.

Design considerations for tunable bulk acoustic wave resonators based on paraelectric phase BaxSr1-xTiO3 thin films

The 19th IEEE International Symposium on the Applications of Ferroelectrics, August 9-12, 2010, Edinburgh, Scotland

Berge, John; Vorobiev, Andrei; Gevorgian, Spartak

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

10th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF 2010) - Digest of Papers : 41-44

Vorobiev, Andrei; Berge, John; Norling, Martin; et al.

Parameter extraction for tunable TFBARs based on BaxSr1-xTiO3

IEEE MTT-S International Microwave Symposium Digest 2009

Norling, Martin; Berge, John; Gevorgian, Spartak

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

Journal of Applied Physics, Vol. 103, (6)

Berge, John; Norling, Martin; Vorobiev, Andrei; et al.

Electrically tunable bulk acoustic filters with induced piezoelectric effect in BSTO film

Proc. European Microwave Conference 2008 : 1695-1698

Turalchuk, Pavel; Vendik, Irina; Vendik, Orest; et al.

Modeling tunable bulk acoustic resonators based on induced piezoelectric effect in BaTiO[sub 3] and Ba[sub 0.25]Sr[sub 0.75]TiO[sub 3] films

Journal of Applied Physics, Vol. 103, (1) : 014107-1

Vendik, Irina; Turalchuk, Pavel; Vendik, Orest; et al.

Comparative study of microstructure and microwave dielectric response of BaxSr1-xTiO3 films grown by pulsed laser deposition and magnetron sputtering

International conference on Electroceramics, 31 August - 3 September 2008, Manchester, UK

Vorobiev, Andrei; Berge, John; Gevorgian, Spartak

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

Thin Solid Films, Vol. 515, (16) : 6302-6308

Berge, John; Vorobiev, Andrei; Gevorgian, Spartak

Tunable Solidly Mounted Thin Film Bulk Acoustic Resonators Based on BaxSr1-xTiO3 Films

IEEE Microwave and Wireless Components Letters, Vol. 17, (9) : 655-657

Berge, John; Vorobiev, Andrei; Steichen, William; et al.

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

Thin Solid Films, Vol. 515, (16) : 6606-6610

Vorobiev, Andrei; Berge, John; Gevorgian, Spartak

Electromechanical modelling and reduction of the electroacoustic losses in parallel-plate ferroelectric varactors

Proc. European Microwave Conference 2006

Gevorgian, Spartak; Vorobiev, Andrei; Berge, John

Thin film Ba0.25Sr0.75TiO3 varactors on Au bottom electrode for microwave applications

Proc. European Microwave Conference 2006

Vorobiev, Andrei; Berge, John; Gevorgian, Spartak

The effect of interfacial transition layer on performance of thin film ferroelectric capacitors

International conference on Electroceramics, Toledo, Spain, 18-22 June, 2006

Vorobiev, Andrei; Berge, John; Gevorgian, Spartak

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