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John Berge
Kontakt
E-post
john.berge@umu.se
Telefon
090-786 61 84
,
070-397 91 42
Verksam vid
Anknytning
Universitetslektor vid
Institutionen för tillämpad fysik och elektronik
Plats
X, Håken Gullessons väg 20, Teknikhuset, TEK.B.319
Umeå universitet, 901 87 Umeå
Publikationer
Publikationer
2011
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
2011
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.
2010
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.
2010
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
2010
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.
2009
Parameter extraction for tunable TFBARs based on BaxSr1-xTiO3
IEEE MTT-S International Microwave Symposium Digest 2009
Norling, Martin; Berge, John; Gevorgian, Spartak
2008
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.
2008
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.
2008
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.
2008
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
2007
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
2007
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.
2007
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
2006
Electromechanical modelling and reduction of the electroacoustic losses in parallel-plate ferroelectric varactors
Proc. European Microwave Conference 2006
Gevorgian, Spartak; Vorobiev, Andrei; Berge, John
2006
Thin film Ba0.25Sr0.75TiO3 varactors on Au bottom electrode for microwave applications
Proc. European Microwave Conference 2006
Vorobiev, Andrei; Berge, John; Gevorgian, Spartak
2006
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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