Deformation Anisotropy of Y + 128°-Cut Single Crystalline Bidomain Wafers of Lithium Niobate

Кубасов, И. В.; Popov, A.V.; Bykova, A. S.; Темиров, А. А.; Kislyuk, A. M.; Жуков, Р. Н.; Киселев, Д. А.; Chichkov, M. V.; Малинкович, М. Д.; Parkhomenko, Yu. N.

doi:10.1134/s1063739717080108

Cited by 17 publications

(10 citation statements)

References 29 publications

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“…Figure 1 shows the representation surface of the maximum absolute in-plane piezoelectric coefficient |d 3j | as a function of the crystal cut orientation calculated using the material constants found in the literature [25]. We observe a very large variation of the transversal PE coefficients with the orientation of the PE crystal, whose symmetry coincides with the symmetry of the corresponding crystal's point group [26] [27]. Moreover, the y+140°-cut is very close to the y+137°-cut that yields a maximum transverse electromechanical coupling factor of 0.51 [28].…”

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confidence: 82%

“…The deflection of the free cantilever end was controlled by an optical microscope ZEISS Axio Imager M1 as described in Ref. [26] The voltage across the bimorph was changing step by step from -500 V to + 500 V, and measurements of δ were performed every 50 V. The resulting points were fitted by a straight line with a slope = δ/U. Finally, we calculated the k coefficients of the bimorphs.…”

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confidence: 99%

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Magnetoelectric metglas/bidomain y + 140°-cut lithium niobate composite for sensing fT magnetic fields

Turutin

Vidal

Кубасов

et al. 2018

Applied Physics Letters

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We investigated the magnetoelectric properties of a new laminate composite material based on y+140°-cut congruent lithium niobate piezoelectric plates with an antiparallel polarized "headto-head" bidomain structure and metglas used as a magnetostrictive layer. A series of bidomain lithium niobate crystals were prepared by annealing under conditions of Li 2 O outdiffusion from LiNbO 3 with a resultant growth of an inversion domain. The measured quasi-static magnetoelectric coupling coefficient achieved |α E31 | = 1.9 V•(cm•Oe)-1. At a bending resonance frequency of 6862 Hz, we found a giant |α E31 | value up to 1704 V•(cm•Oe)-1. Furthermore, the equivalent magnetic noise spectral density of the investigated composite material was only 92 fT/Hz 1/2 , a record value for such a low operation frequency. The magnetic-field detection limit of the laminated composite was found to be as low as 200 fT in direct measurements without any additional shielding from external noises.

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confidence: 82%

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confidence: 99%

Magnetoelectric metglas/bidomain y + 140°-cut lithium niobate composite for sensing fT magnetic fields

Turutin

Vidal

Кубасов

et al. 2018

Applied Physics Letters

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“…The phenomenon of the domain inversion in LiNbO 3 in the course of a heat treatment near the Curie point was discovered by Ohnishi [32]. For the first time, large-area bidomain lithium niobate (b-LN) wafers were produced by Nakamura et al [33,34] and then investigated by numerous researchers [33,34,35,36,37,38,39,40,41,42,43,44,45,46]. Initially, b-LN single crystals were proposed as a possible replacement of composite bimorphs, glued by epoxy resins in precise movement systems, and for energy harvesting applications [33,34,39,40,41,47,48].…”

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confidence: 99%

Low-Frequency Vibration Sensor with a Sub-nm Sensitivity Using a Bidomain Lithium Niobate Crystal

Кубасов

Kislyuk

Turutin

et al. 2019

Sensors

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We present a low-frequency sensor for the detection of vibrations, with a sub-nm amplitude, based on a cantilever made of a single-crystalline lithium niobate (LiNbO3) plate, with a bidomain ferroelectric structure. The sensitivity of the sensor-to-sinusoidal vibrational excitations was measured in terms of displacement as well as of acceleration amplitude. We show a linear behavior of the response, with the vibrational displacement amplitude in the entire studied frequency range up to 150 Hz. The sensitivity of the developed sensor varies from minimum values of 20 μV/nm and 7 V/g (where g = 9.81 m/s2 is the gravitational acceleration), at a frequency of 23 Hz, to peak values of 92.5 mV/nm and 2443 V/g, at the mechanical resonance of the cantilever at 97.25 Hz. The smallest detectable vibration depended on the excitation frequency and varied from 100 nm, at 7 Hz, to 0.1 nm, at frequencies above 38 Hz. Sensors using bidomain lithium niobate single crystals, as sensitive elements, are promising for the detection of ultra-weak low-frequency vibrations in a wide temperature range and in harsh environments.

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“…Bidomain crystals are ferroelectrics which contains only two bulk domains with oppositely directed vectors of spontaneous polarization. Application of a voltage or mechanical deformation to the bidomain plates leads to a bimorph-like behavior which allows to design new mechano-electric devices such as precise sensors, actuators and waste energy harvesters [4][5][6][7]. The main feature of actuators made of bidomain crystals is a linear dependence of the position on the applied voltage in the entire range of deformation of a piezoelectric material.…”

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Cell Stretcher Based on Single-crystal Bimorph Piezoelectric Actuators

et al. 2020

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Biomechanical studies of stretched cells are important for understanding of mechanisms and reactions driving muscle contraction, migration of cells, processes in cytoskeleton etc. Several methods for stretching cells are available today. The simplest of them consists in a uniaxial expansion of a flexible substrate with a cell culture by a stepper motor. More complex methods include incubating cells with protein-coated superparamagnetic beads with subsequent use of a needle-shaped core of an electromagnet and utilizing substrates with stress-sensitive fluorescent markers [1, 2]. These methods allow stretching an entire cell culture, thus working with isolated cells is difficult. There is also a tool on the market produced by IonOptix, USA which can be utilized for stretching single cardiac myocytes [3], however, this equipment is expensive and not always appropriate for use with complex systems such as scanning ion conductance microscopes (SICM).

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Deformation Anisotropy of Y + 128°-Cut Single Crystalline Bidomain Wafers of Lithium Niobate

Cited by 17 publications

References 29 publications

Magnetoelectric metglas/bidomain y + 140°-cut lithium niobate composite for sensing fT magnetic fields

Magnetoelectric metglas/bidomain y + 140°-cut lithium niobate composite for sensing fT magnetic fields

Low-Frequency Vibration Sensor with a Sub-nm Sensitivity Using a Bidomain Lithium Niobate Crystal

Cell Stretcher Based on Single-crystal Bimorph Piezoelectric Actuators

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