D. A. Filippov

article

Specific Features of the Magnetoelectric Effect in Permendur–Quartz–Permendur Structures in the Region of Electromechanical Resonance

V. M. Laletin, D. A. Filippov, N. N. Poddubnaya, I. N. Manicheva, more

Technical Physics Letters > 2019 > 45 > 5 > 436-438

The experimental frequency and field dependences of the magnetoelectric effect in three-layer permendur–quartz–permendur structures in the region of electromechanical resonance were studied. It was found that the magnetoelectric voltage coefficient and the Q-factor of these structures in the resonance region are much higher than those of similar structures based on lead zirconate titanate. Anomalous...

article

Anisotropy of Magnetoelectric Properties of Ferrite–Piezoelectric Bulk Composites

V. M. Laletin, D. A. Filippov, K. I. Yanushkevich

Technical Physics > 2019 > 64 > 5 > 625-628

The anisotropy of magnetoelectric properties of lead zirconate–titanate and nickel ferrite based bulk composites has been experimentally studied. It has been shown that a ratio of longitudinal to transverse magnetoelectric coefficients is affected by the piezoelectric constant of a composite. The mechanism that explains the obtained dependences has been suggested; the mechanism is based on the assumption...

article

Parameter Optimization of Laminated Multiferroic Composites

T. A. Galichyan, As. Zh. Khurshudyan, D. A. Filippov

Mechanics of Composite Materials > 2019 > 55 > 2 > 211-218

The voltage coefficient of a multiferroic laminated composite consisting of magnetostrictive and piezoelectric phases is minimized by optimization of physical parameters of the magnetostrictive material. Two optimization schemes are considered: maximization over a discrete set of values, including parameters of several known materials, and over a continuous domain constrained by the minimal and maximal...

article

High-Q Magnetoelectric Nickel–Quartz–Nickel Structures

V. M. Laletin, D. A. Filippov, S. E. Mozzharov, I. N. Manicheva

Technical Physics Letters > 2018 > 44 > 4 > 281-283

The results of experimental examination of the magnetoelectric parameters of three-layer nickel–quartz–nickel structures in the region of electromechanical resonance are presented. The structures have been fabricated by electrolytic deposition of nickel onto a quartz substrate. It has been found that their Q-factor in the region of electromechanical resonance is Q = 10000, which is considerably higher...

article

Influence of the ΔE Effect on the Field Dependence of the Magnetoelectric Effect in the Region of Electromechanical Resonance

V. M. Laletin, D. A. Filippov

Technical Physics > 2018 > 63 > 2 > 186-189

The influence of the ΔE effect on the field dependence of the resonant magnetoelectric effect in bulk composite materials with a composition of ferrite nickel spinel–lead zirconate titanate has been investigated in the electromechanical resonance region. It has been shown that the field dependence of the effect is determined not only by the magnetic-field dependence of the piezomagnetic coefficient,...

article

Magnetoelectric Effect in Gallium Arsenide–Nickel–Tin–Nickel Multilayer Structures

D. A. Filippov, A. A. Tikhonov, V. M. Laletin, T. O. Firsova, more

Technical Physics > 2018 > 63 > 2 > 190-192

Experimental data have been presented for the magnetoelectric effect in nickel–tin–nickel multilayer structures grown on a GaAs substrate by cathodic electrodeposition. The method of fabricating these structures has been described, and the frequency dependence of the effect has been demonstrated. It has been shown that tin used as an intermediate layer reduces mechanical stresses due to the phase...

article

A theory of the inverse magnetoelectric effect in layered magnetostrictive–piezoelectric structures

D. A. Filippov, G. S. Radchenko, T. O. Firsova, T. A. Galkina

Physics of the Solid State > 2017 > 59 > 5 > 878-884

A theory of the inverse magnetoelectric effect in layered structures has been presented. The theory is based on solving the equations of elastodynamics and electrostatics separately for the magnetostrictive and piezoelectric phases, taking into account the conditions at the interface between the phases. Expressions for the coefficient of inverse magnetoelectric conversion through the parameters characterizing...

article

The magnetoelectric effect in nickel–GaAs–nickel structures

D. A. Filippov, T. O. Firsova, V. M. Laletin, N. N. Poddubnaya

Technical Physics Letters > 2017 > 43 > 3 > 313-315

We have experimentally studied the magnetoelectric (ME) effect in structures obtained by the electrolytic deposition of nickel onto gallium arsenide substrates. It is established that the use of a pre-deposited Ni–Au–Ge–Ni buffer sublayer significantly improves the adhesion of electroplated nickel to substrate. The resulting Ni–GaAs–Ni structures are featuring both linear and nonlinear ME effects...

chapter

Theory of the Resonance Magnetoelectric Effect in Iron Borate

D. A. Filippov, I. S. Nikiforov

NATO Science Series II: Mathematics, Physics and Chemistry > Magnetoelectric Interaction Phenomena in Crystals > Linear Field Effects > 253-260

Microscopic theory of the resonance magnetoelectric effect in crystals, which magnetic ions are in S-states, is presented. As example the weak ferromagnetic crystal in iron borate is considerate. The split of the ground term ⁶ S by the spin-orbit interaction with higher states is determined. The energy of a magnetic anisotropy and its change at external electric field is obtained. The shift...

chapter

Electromechanical Resonance in Multilayer and Bulk Magnetoelectric Composites

D. A. Filippov, M. I. Bichurin, V. M. Petrov, V. M. Laletin, more

NATO Science Series II: Mathematics, Physics and Chemistry > Magnetoelectric Interaction Phenomena in Crystals > Composite Materials > 71-80

The theory of magnetoelectric effect in ferrite - piezoelectric composites at electromechanical resonance is developed. An expression for magnetoelectric voltage coefficient α_E is obtained at longitudinal and transverse orientations of electrical and magnetic fields. The frequency dependence of α_E shows a resonant character. The magnetoelectric coefficient at resonance increases by several orders...

article

Magnetoelectric effect in layered disk-shaped magnetostrictive–piezoelectric structures: Theory and experiment

D. A. Filippov, G. S. Radchenko, V. M. Laletin

Physics of the Solid State > 2016 > 58 > 3 > 508-514

Theoretical and experimental studies of the magnetoelectric effect in a disk-shaped magnetostrictive–piezoelectric structure in the electromechanical resonance region are presented. An expression for the magnetoelectric voltage coefficient is derived based on the simultaneous solution of elastodynamic and electrostatic equations separately for magnetostrictive and piezoelectric layers. The conditions...

article

Inverse multimodal magnetoelectric effect in piezomagnetostrictive rings

D. A. Filippov, G. S. Radchenko, M. G. Radchenko, T. A. Galkina

Physics of the Solid State > 2015 > 57 > 4 > 694-699

The theoretical investigation of the frequency dependence of the inverse magnetoelectric effect in piezomagnetostrictive rings in the region of radial resonances has been presented. The analytical expression for the coefficient of the inverse magnetoelectric conversion for ring-like samples with the axial polarization has been derived. It has been shown that the energy is redistributed between the...

article

The magnetoelectric effect in the ring shape magnetostrictive-piezoelectric structures

D. A. Filippov, V. M. Laletin, G. S. Radchenko

Technical Physics Letters > 2015 > 41 > 8 > 807-809

We have theoretically and experimentally studied the direct magnetoelectric (ME) effect in ring structures made of volume ferrite–piezoelectric composites based on lead zirconate titanate and nickel ferrite. Analytical expressions for the ME voltage coefficient are obtained by jointly solving elastodynamic and electrostatic equations. Results of theoretical calculations and experimental measurements...

article

The multimodal magnetoelectric effect in the ring-shaped magnetostrictive–piezoelectric bulk composites

G. S. Radchenko, D. A. Filippov, V. M. Laletin

Applied Physics A > 2015 > 121 > 2 > 619-623

The theoretical and experimental investigation of the direct magnetoelectric effect in the ring-type structures made of the bulk magnetostrictive–piezoelectric composites has been presented. The analytical expression for the magnetoelectric voltage coefficient has been obtained using the effective parameters method. The frequency dependence of this parameter is also analyzed. The dependence of the...

article

Nonlinear magnetoelectric effect in composite multiferroics

D. A. Filippov, V. M. Laletin, T. O. Firsova

Physics of the Solid State > 2014 > 56 > 5 > 980-984

The theoretical and experimental studies of the nonlinear magnetoelectric effect in composite multiferroics in the low-frequency spectral region and in the electromechanical resonance region have been performed. It has been shown that such structures demonstrate a nonlinear magnetoelectric effect, which is quadratic in ac magnetic field strength at weak magnetic fields. In the region of the electromechanical...

article

The nonlinear resonance magnetoelectric effect in magnetostrictive-piezoelectric structures

V. M. Laletin, D. A. Filippov, T. O. Firsova

Technical Physics Letters > 2014 > 40 > 3 > 237-240

We have studied a magnetoelectric (ME) effect that is nonlinear with respect to the alternating magnetic field. It is established that resonance excitation of an alternating electric field takes place in magnetostrictive-piezoelectric bilayer structures under the action of alternating magnetic field at a frequency that is half as small as the electromechanical resonance frequency. The nonlinear ME...

article

Magnetoelectric effect in bilayer magnetostrictive-piezoelectric structure. Theory and experiment

D. A. Filippov, T. A. Galichyan, V. M. Laletin

Applied Physics A > 2014 > 115 > 3 > 1087-1091

Bilayer magnetostrictive-piezoelectric structures have certain advantages compared to bulk composites and this allows us to consider them as perspective materials for the development of devices based on the magnetoelectric effect. The theory of magnetoelectric effect in bilayer magnetostrictive-piezoelectric structure is presented taking into account the thickness dependence amplitude of the mechanical...

article

Influence of an interlayer bonding on the magnetoelectric effect in the layered magnetostrictive-piezoelectric structure

D. A. Filippov, T. A. Galichyan, V. M. Laletin

Applied Physics A > 2014 > 116 > 4 > 2167-2171

The theory of the magnetoelectric effect in magnetostrictive-piezoelectric bilayer structure is presented considering the interlayer bonding material. The expressions for the dispersion relation and the frequency dependence of the magnetoelectric voltage coefficient in the electromechanical resonance region are obtained, using the simultaneous solution of the motion equation and material equations...

article

Magnetoelectric effect in a magnetostrictive-piezoelectric bilayer structure

D. A. Filippov, V. M. Laletin, T. A. Galichyan

Physics of the Solid State > 2013 > 55 > 9 > 1840-1845

The results of theoretical and experimental investigations of the magnetoelectric effect in a magnetostrictive-piezoelectric bilayer structure have been presented. The expression for the magnetoelectric voltage coefficient in the region of electromechanical resonance has been derived based on the joint solution of the equations of motion for the magnetostrictive and piezoelectric media and the constitutive...

article

Theory of magnetoelectric effect in a bilayer magnetostrictive-piezoelectric structure

D. A. Filippov, T. A. Galichyan

Russian Physics Journal > 2013 > 56 > 6 > 686-692

A theory of the magnetoelectric effect in a bilayer magnetostrictive-piezoelectric structure is presented. As objects of research, structures in the form of nickel–lead zirconate–titanate and permendur–lead zirconate–titanate based plates are chosen. Joint solution of the motion equation for a magnetostrictive and piezoelectric medium and of the constitutive equations yields an expression for the...

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Search results for: D. A. Filippov

Specific Features of the Magnetoelectric Effect in Permendur–Quartz–Permendur Structures in the Region of Electromechanical Resonance

Anisotropy of Magnetoelectric Properties of Ferrite–Piezoelectric Bulk Composites

Parameter Optimization of Laminated Multiferroic Composites

High-Q Magnetoelectric Nickel–Quartz–Nickel Structures

Influence of the ΔE Effect on the Field Dependence of the Magnetoelectric Effect in the Region of Electromechanical Resonance

Magnetoelectric Effect in Gallium Arsenide–Nickel–Tin–Nickel Multilayer Structures

A theory of the inverse magnetoelectric effect in layered magnetostrictive–piezoelectric structures

The magnetoelectric effect in nickel–GaAs–nickel structures

Theory of the Resonance Magnetoelectric Effect in Iron Borate

Electromechanical Resonance in Multilayer and Bulk Magnetoelectric Composites

Magnetoelectric effect in layered disk-shaped magnetostrictive–piezoelectric structures: Theory and experiment

Inverse multimodal magnetoelectric effect in piezomagnetostrictive rings

The magnetoelectric effect in the ring shape magnetostrictive-piezoelectric structures

The multimodal magnetoelectric effect in the ring-shaped magnetostrictive–piezoelectric bulk composites

Nonlinear magnetoelectric effect in composite multiferroics

The nonlinear resonance magnetoelectric effect in magnetostrictive-piezoelectric structures

Magnetoelectric effect in bilayer magnetostrictive-piezoelectric structure. Theory and experiment

Influence of an interlayer bonding on the magnetoelectric effect in the layered magnetostrictive-piezoelectric structure

Magnetoelectric effect in a magnetostrictive-piezoelectric bilayer structure

Theory of magnetoelectric effect in a bilayer magnetostrictive-piezoelectric structure

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