Experimental set up of a magnetoelectric measuring system operating at different temperatures

Gil, K; Gil, J.; Cruz, B.; Ramírez, A.P Castro; Medina, M. H.; Torres, J.

doi:10.1088/1742-6596/687/1/012090

Cited by 5 publications

(8 citation statements)

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“…ME coupling describes the impact of a magnetic field on the polarization and vice versa [43,44]. Multiferroic ME compounds provide the chance to analyze the unique physical mechanism, and exhibit the probability for their utilization in novel multi-functional materials, such as transducers transforming among magnetic and electric fields, attenuators, filters, field probes, and data recording devices based on the electrical control of magnetization, and vice versa [45]. It may arise directly between the two order parameters or directly via strain.…”

Section: Me Propertiesmentioning

confidence: 99%

Dielectric relaxation and magneto-electric characteristics of lead-free double perovskite: Sm2NiMnO6

Das

Choudhary

2019

J Adv Ceram

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The polycrystalline sample of a double perovskite, Sm 2 NiMnO 6 was synthesized by a solid-state reaction route. From the X-ray structural study, it is found that the structure of the material is monoclinic with lattice parameters: a = 4.1750(63) Å, b = 7.6113(63) Å, c = 5.9896(63) Å, and β = 112.70°. These parameters are very close to and consistent with those of such type of materials. The dielectric, impedance, AC conductivity, and electrical modulus properties of the sample were studied in the temperature range of 25-300 ℃ and the frequency range of 1 kHz-1 MHz. Typical relaxor behavior observed in the dielectric studies was confirmed by Vogel-Fulcher fitting. From the Nyquist plots, the temperature dependent contribution of grain and grain boundary effect was confirmed. The non-Debye type of relaxation was found using the complex impedance spectroscopy. The magnetic study revealed that the sample had paramagnetic behavior at room temperature. Magneto-electric (ME) coefficient was obtained by changing DC bias magnetic field. This type of lead-free relaxor ferroelectric compound may be useful for high-temperature applications.

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Section: Me Propertiesmentioning

confidence: 99%

Dielectric relaxation and magneto-electric characteristics of lead-free double perovskite: Sm2NiMnO6

Das

Choudhary

2019

J Adv Ceram

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“…Materiales tales como BiFeO 3 presentan propiedades magnetoeléctricas en forma intrínseca [2][3], aunque es posible combinar un material con propiedades piezoeléctricas con otro con propiedades magnetostrictivas con el objetivo de generar un compuesto magnetoeléctrico multiferroico [3][4]. En ambos casos, estos sistemas se caracterizan por poseer simultáneamente más de un tipo de ordenamiento magnético, eléctrico o elástico.…”

Section: Intruducciónunclassified

Configuración y montaje de instrumento para la caracterización magnetoeléctrica de compuestos cerámicos multiferroicos

2020

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Este trabajo presenta la configuración y el montaje de un equipo empleado para cuantificar el coeficiente magnetoeléctrico dinámico (α) de compuestos cerámicos multiferroicos. En particular, se analizan las propiedades magnetoeléctricas de los compuestos de composición Bi0.5(Na0.8K0.2)0.5TiO3-Ni0.5Co0.5Fe2O4 (BNKT-NCF). En el método dinámico, la señal magnetoeléctrica (ME) se registra midiendo el potencial eléctrico a través de la muestra bajo un campo magnético continuo y variable en presencia de un campo magnético de CA. Los elementos de medición constan de un sistema de polarización (eléctrico y magnético), para polarizar la cerámica magnetoeléctrica, y un lock-in para generar la señal alterna y filtrar el ruido. Además, dada la baja señal ME, es necesario un blindaje adecuado y una sección fina de electrodos junto al amplificador tipo lock-in. El rendimiento de los dispositivos fabricados resulta satisfactorio para la medición dinámica del efecto ME para materiales magnetoeléctricos basados en cerámicos multiferroicos. Descriptores: Instrumentación; coeficiente magnetoeléctrico; multiferroicos. In the present work, the configuration and assembly of a device used to quantify the dynamic magnetoelectric coefficient (α) of multiferroic lead-free ceramic is analyzed. In particular, the magnetoelectric properties of Bi 0.5 (Na 0.8 K 0.2) 0.5 TiO 3-Ni 0.5 Co 0.5 Fe 2 O 4 (BNKT-NCF) ceramics are studied. In the dynamic method, the magnetoelectric signal (ME) is recorded measuring the electrical potential across the sample under a DC magnetic field in the presence of an AC magnetic field. The measuring elements consist of a polarization system (electric and magnetic), to polarize the magnetoelectric ceramics, and a lock-in to generate the alternating signal and filter out the noise. Besides due to the low ME signal, adequate shielding and a thin electrode section are necessary close to the lock-in amplifier. The performance of the manufactured devices is satisfactory to perform the dynamic measurement of the ME effect for magnetoelectric materials based on multiferroic ceramics.

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“…This method had a great reception since it reduces the problems of charge accumulation at the edge of the sample, and for such reason in the most used in the literature [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

“…where ΔV is the generated voltage, t the thickness of the piezoelectric material and HAC the intensity of the AC magnetic field. This method had a great reception since it reduces the problems of charge accumulation at the edge of the sample, and for such reason in the most used in the literature [16].…”

Section: Introductionmentioning

confidence: 99%

Magnetoelectrics: Three Centuries of Research Heading Towards the 4.0 Industrial Revolution

et al. 2020

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Magnetoelectric (ME) materials composed of magnetostrictive and piezoelectric phases have been the subject of decades of research due to their versatility and unique capability to couple the magnetic and electric properties of the matter. While these materials are often studied from a fundamental point of view, the 4.0 revolution (automation of traditional manufacturing and industrial practices, using modern smart technology) and the Internet of Things (IoT) context allows the perfect conditions for this type of materials being effectively/finally implemented in a variety of advanced applications. This review starts in the era of Rontgen and Curie and ends up in the present day, highlighting challenges/directions for the time to come. The main materials, configurations, ME coefficients, and processing techniques are reported.

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Experimental set up of a magnetoelectric measuring system operating at different temperatures

Cited by 5 publications

References 1 publication

Dielectric relaxation and magneto-electric characteristics of lead-free double perovskite: Sm2NiMnO6

Dielectric relaxation and magneto-electric characteristics of lead-free double perovskite: Sm2NiMnO6

Configuración y montaje de instrumento para la caracterización magnetoeléctrica de compuestos cerámicos multiferroicos

Magnetoelectrics: Three Centuries of Research Heading Towards the 4.0 Industrial Revolution

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