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Cited by 366

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Exploring the Magnetoelectric Coupling at the Composite Interfaces of FE/FM/FE Heterostructures

Open access
Pradhan, Dhiren K., Kumari, Shalini, Vasudevan, Rama K., Strelcov, Evgheni, Puli, Venkata S., Pradhan, Dillip K., Kumar, Ashok, Gregg, J. Marty, Pradhan, A. K., Kalinin, Sergei V., Katiyar, Ram S.·2018·Scientific Reports

Abstract

Multiferroic materials have attracted considerable attention as possible candidates for a wide variety of future microelectronic and memory devices, although robust magnetoelectric (ME) coupling between electric and magnetic orders at room temperature still remains difficult to achieve. In order to obtain robust ME coupling at room temperature, we studied the Pb(Fe 0.5 Nb 0.5)O 3/Ni 0.65 Zn 0.35 Fe 2 O 4/Pb(Fe 0.5 Nb 0.5)O 3 (PFN/NZFO/PFN) trilayer structure as a representative FE/FM/FE system. We report the ferroelectric, magnetic and ME properties of PFN/NZFO/PFN trilayer nanoscale heterostructure having dimensions 70/20/70 nm, at room temperature. The presence of only (00 l) reflection of PFN and NZFO in the X-ray diffraction (XRD) patterns and electron diffraction patterns in Transmission Electron Microscopy (TEM) confirm the epitaxial growth of multilayer heterostructure. The distribution of the ferroelectric loop area in a wide area has been studied, suggesting that spatial variability of ferroelectric switching behavior is low, and film growth is of high quality. The ferroelectric and magnetic phase transitions of these heterostructures have been found at ~575 K and ~650 K, respectively which are well above room temperature. These nanostructures exhibit low loss tangent, large saturation polarization (P s ~ 38 µC/cm 2) and magnetization (M s ~ 48 emu/cm 3) with strong ME coupling at room temperature revealing them as potential candidates for nanoscale multifunctional and spintronics device applications.

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Metadata

Authors
Pradhan, D. K., Kumari, S., Vasudevan, R. K., Strelcov, E., Puli, V. S., Pradhan, D. K., Kumar, A., Gregg, J. M., Pradhan, A. K., Kalinin, S. V., & Katiyar, R. S.
Venue
Scientific Reports
Published
2018-11-26
Volume
8
Issue
1
Pages
17381-17381
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2900925271
Cited by
366
References
21
FWCI
24.45
Type
journal article
Language
en
Open access
gold

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Pradhan, D. K., Kumari, S., Vasudevan, R. K., Strelcov, E., Puli, V. S., Pradhan, D. K., Kumar, A., Gregg, J. M., Pradhan, A. K., Kalinin, S. V., & Katiyar, R. S. (2018). Exploring the Magnetoelectric Coupling at the Composite Interfaces of FE/FM/FE Heterostructures. Scientific Reports. https://doi.org/10.1038/s41598-018-35648-1

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