Dr. Alexander S. Tatarenko

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Academic Career Length

26Years (2001-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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24 August 2004 in Physical Review B

Journal Article

Microwave magnetoelectric effects in single crystal bilayers of yttrium iron garnet and lead magnesium niobate-lead titanate

S. Shastry

G. Srinivasan

Mirza Bichurin

Vladimir Petrov

Alexander S. Tatarenko

The first observation of microwave magnetoelectric (ME) interactions through ferromagnetic resonance (FMR) in bilayers of single crystal ferromagnetic-piezoelectric oxides and a theoretical model for the effect are presented. An electric field

E

produces a mechanical deformation in the piezoelectric phase, resulting in a shift

δ H_{E}

in the resonance field for the ferromagnet. The strength of ME coupling is obtained from data on

δ H_{E}

E

. Studies were performed at

9.3 GHz

on bilayers of (111) yttrium iron garnet (YIG) films and (001) lead magnesium niobate-lead titanate (PMN-PT). The samples were positioned outside a

{TE}_{102}

-reflection type cavity. Resonance profiles were obtained for

E = 0 - 8 kV ∕ cm

for both in-plane and out-of-plane magnetic fields

H

. Important results are as follows. (i) The ME coupling in the bilayers is an order of magnitude stronger than in polycrystalline composites and is in the range

1 - 5.4 Oe cm ∕ kOe

, depending on the YIG film thickness. (ii) The coupling strength is dependent on the magnetic field orientation and is higher for out-of-plane

H

than for in-plane

H

. (iii) Estimated ME constant and its dependence on volume ratio for the two phases are in good agreement with the data.

6 August 2001 in Physical Review B

Journal Article

Theory of magnetoelectric effects at microwave frequencies in a piezoelectric/magnetostrictive multilayer composite

Mirza Bichurin

I. A. Kornev

Vladimir Petrov

Alexander S. Tatarenko

Yu. V. Kiliba

G. Srinivasan

A phenomenological theory is proposed to treat the magnetoelectric (ME) coupling at frequencies corresponding to ferromagnetic resonance in a multilayer composite consisting of alternate layers of piezoelectric and magnetostrictive phases. We discuss two models: (i) a simple two-layer (bimorph) structure and (ii) a generalized approach in which the multilayer structure is considered to be a homogeneous medium. Expressions for the stress induced shift

δ H

in the ferromagnetic resonance field due to an applied electric field E have been obtained for both cases. For a bimorph,

δ H

is directly proportional to the product of the applied electric field and the ME coupling constant. For a nickel ferrite–lead zirconate titanate (PZT) two layer structure, the theory predicts a factor of 5 stronger effect than in yttrium iron garnet-PZT. When the composite is considered to be a homogeneous medium, the corresponding shift

δ H

is given by

2 M_{0}

{(B}_{33} - B_{31})

E, where

M_{0}

is the composite magnetization and B’s are the ME coefficients. For this model, a method for the calculation of magnetoelectric coefficients from experimental data is presented.

1 May 2006 in Applied Physics Letters

Journal Article

Magnetoelectric microwave phase shifter

Alexander S. Tatarenko

G. Srinivasan

Mirza Bichurin

An electric field tunable yttrium iron garnet (YIG)-lead zirconate titanate (PZT) phase shifter based on ferromagnetic resonance (FMR) is designed and characterized. The electric field control of the phase shift

δ φ

arises through magnetoelectric interactions. The piezoelectric deformation in PZT in an electric field

E

leads to a shift in the FMR frequency in YIG and a phase shift. For

E = 5 - 8 kV ∕ cm

applied across PZT,

δ φ = 90 ° - 180 °

and an insertion loss of

1.5 - 4 dB

are obtained. Theoretical estimates of

δ φ

are in excellent agreement with the data.

27 April 2006 in Electronics Letters

Journal Article

Magnetoelectric microwave bandpass filter

Alexander S. Tatarenko

V. Gheevarughese

G. Srinivasan

An electric field tunable microwave bandpass filter based on ferromagnetic resonance (FMR) in a bilayer of yttrium iron garnet and lead zirconate titanate has been designed and characterised. The filter tunability is accomplished through magnetoelectric coupling that manifests as a shift in the FMR. Studies on a microstripline filter show a 125 MHz tuning range for E=0–3 kV/cm and an insertion loss of 5 dB at 6.5 GHz.

12 May 2005 in Electronics Letters

Journal Article

Electrically tunable microwave filters based on ferromagnetic resonance in ferrite-ferroelectric bilayers

G. Srinivasan

Alexander S. Tatarenko

Mirza Bichurin

The design and analysis of a new class of electric field-tunable ferrite-ferroelectric microwave bandpass filter is discussed. The tunability is possible through magnetoelectric interactions. When the composite is subjected to an electric field, the mechanical deformation due to piezoelectric effect manifests as a magnetic field shift in the ferromagnetic resonance for the ferrite. The electrical tuning is much faster than traditional magnetic tuning and has practically zero power consumption.

9 October 2006 in Applied Physics Letters

Journal Article

Millimeter-wave magnetoelectric effects in bilayers of barium hexaferrite and lead zirconate titanate

Gopalan Srinivasan

I. V. Zavislyak

Alexander S. Tatarenko

Millimeter-wave magnetoelectric interactions have been studied through electric field effects on magnetic excitations in bilayers of single crystal barium ferrite and lead zirconate titanate (PZT). An electric field

E

produces a mechanical deformation in PZT, resulting in a shift

δ f

in the frequency for electromagnetic modes in the ferrite. Reflected power versus frequency profiles at

40 - 55 GHz

for a series of bias magnetic field and

E = 0 - 10 kV ∕ cm

along the

c

axis of the ferrite showed an increase in

δ f

to a maximum of

8 MHz

. Theoretical estimates of

δ f

are in agreement with the data.

About Me

Alexander Tatarenko graduated in 1992 from the Faculty of Physics of the Leningrad State University with a degree in radiophysics. In December 2006, I was awarded my Ph.D. on the topic “Magnetoelectric control devices of solid-state electronics based on ferrite-piezoelectric composite materials”, . From October 1997 to December 2019, I worked at Yaroslav the Wise Novgorod State University in the Department of Design and Technology of Radio Equipment as an engineer. Following my Ph.D. I worked as an associate professor. From January 2020 to August 2021, I continued to work in Novgorod as the Head of the Department of Applied Mathematics. Since September 2021, I have worked as an Associate Professor in the Department of Electronic Systems at St. Petersburg Mining University. Between 2005 and 2010, I was engaged in scientific research at the University of Oakland (Oakland University, Rochester, MI USA). I have authored more than 150 scientific papers and patents. I was the executor of more than 20 scientific grants for the RFBR, RSF, and others. I supervised two scientific grants of the RFBR. I have been a winner of the Academy of Engineering Sciences Award. My scientific interests include: applied mathematics, microwave devices, the physics and technology of magnetoelectric phenomena, and composite magnetoelectric materials.

Dr. Alexander S. Tatarenko

Dr. Alexander S. Tatarenko

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