Signature of magnetoelectric coupling of xNiFe2O4 – (1-x)HoMnO3 (x= 0.1 and 0.3) multiferroic nanocomposites

Mandal, S. K.; Debnath, Rajesh; Singh, Swati; Nath, A.; Dey, P.; Nath, T. K.

doi:10.1016/j.jmmm.2017.07.081

Cited by 21 publications

(2 citation statements)

References 51 publications

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“…Reduction of

R_{IZ}

indirectly led to rise of ZNFO/CuPc interface capacitance (

C_{IZ}

) indicating enhancement of inhomogeneity at ZNFO/CuPc interface. [ 3 ] However, Increase in magnetic field may have given rise to increase in interfacial polarization within bulk of ZNFO [ 41 ] . “Interfacial polarization in bulk” refers to generation of immobile charges at non‐space charge granular regions of ZNFO due to absence of mobile carriers.…”

Section: Resultsmentioning

confidence: 99%

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Optical and Magneto‐Tunable Electrical Transport Across La_0.7Sr_0.3MnO₃, Zn_0.3Ni_0.7Fe₂O₄/CuPc Hybrid Interfaces

Deb

Nath

Pal

et al. 2023

Physica Status Solidi (a)

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In search of multifunctionality, both light and magnetic field-dependent carrier transports have been extensively studied across magnetic/organic semiconductors (OSC) interfaces. [1][2][3][4] OSC, usually comprising of elements with small atomic numbers like carbon and hydrogen, show intrinsically weak spin-orbit coupling that may lead to long spin-relaxation times making them particularly important for spintronics device applications. [1] Obstruction of spin injection at metal/insulator interface due to conductivity mismatch may be circumvented by introducing spin transport through inorganic/organic interface in spin valve devices. [2] Cinchetti et al. observed strong spin injection of around 85%-90% across Co/CuPc (copper pthalocyanine: OSC) heterojunctions and henceforth large mean free path in CuPc. [5] Spin filtering in La 0.7 Sr 0.3 MnO 3 ðLSMOÞ=Alq 3 heterojunctions is associated with SrO segregation at outermost layer of LSMO films. [6] Most recently, significant negative TMR is observed in Co=AlO x / NaDyClq/NiFe device, which surprisingly becomes positive on reversing the device structure as NiFe=AlO x /NaDyClq/Co (NaDyClq: Mononuclear quinolone molecule). This indicates change of hybrid states at spinterfaces is an important parameter for tunnel magnetoresistance (MR) tunability in ferromagnetic/ OSC heterojunctions. [7] With the help of spin injection through spin polarized hybrid states, scientists have fabricated efficient organic spin valves (OSV), which shows considerable MR response. [8][9][10][11] However, it becomes difficult to maintain large MR at room temperature (RT) due to magnetization and spin diffusion length reduction of magnetic electrodes and OSC, respectively. Therefore, researchers are also working on impedance spectroscopy of ferromagnetic/OSC devices, which gives information about carrier scattering across those spinterfaces. Barra et al. used impedance spectroscopy technique to separate carrier scattering at bulk and interface regions in LSMO=Alq 3 heterojunction devices. [12] Riminucci et al. extracted ferromagnetic/OSC interface resistance for parallel and antiparallel states in Mq3-based molecular spin valves. [13] Enhancement of photocurrent has also been observed with light illumination across magnetic/OSC interfaces owing to generation-separation process of Frankel excitons. [4] Ahmadi et al. found enhancement of photocurrent owing to photogenerated dipole-induced recombination reduction in inorganic/organic perovskite solar cells. [14] Kasem et al. observed

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“…Reduction of

R_{IZ}

indirectly led to rise of ZNFO/CuPc interface capacitance (

C_{IZ}

Section: Resultsmentioning

confidence: 99%

“…Moreover, larger magneto impedance observed at low‐frequency region may be attributed to magnetostriction property of the piezomagnetic phase of ZNFO. [ 41 ]…”

Section: Resultsmentioning

confidence: 99%

Optical and Magneto‐Tunable Electrical Transport Across La_0.7Sr_0.3MnO₃, Zn_0.3Ni_0.7Fe₂O₄/CuPc Hybrid Interfaces

Deb

Nath

Pal

et al. 2023

Physica Status Solidi (a)

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show abstract

Magnetostrictive Materials

Behera¹

2021

Advanced Materials

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Zn doped NiFe2O4- Pb (Zr0.58Ti0.42)O3 multiferroic nanocomposites: Magnetoelectric coupling, dielectric and electrical transport

Mandal

Chakraborty

Dey

et al. 2018

Journal of Alloys and Compounds

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Signature of magnetoelectric coupling of xNiFe2O4 – (1-x)HoMnO3 (x= 0.1 and 0.3) multiferroic nanocomposites

Cited by 21 publications

References 51 publications

Optical and Magneto‐Tunable Electrical Transport Across La_0.7Sr_0.3MnO₃, Zn_0.3Ni_0.7Fe₂O₄/CuPc Hybrid Interfaces

Optical and Magneto‐Tunable Electrical Transport Across La_0.7Sr_0.3MnO₃, Zn_0.3Ni_0.7Fe₂O₄/CuPc Hybrid Interfaces

Magnetostrictive Materials

Zn doped NiFe2O4- Pb (Zr0.58Ti0.42)O3 multiferroic nanocomposites: Magnetoelectric coupling, dielectric and electrical transport

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Signature of magnetoelectric coupling of xNiFe2O4 – (1-x)HoMnO3 (x= 0.1 and 0.3) multiferroic nanocomposites

Cited by 21 publications

References 51 publications

Optical and Magneto‐Tunable Electrical Transport Across La0.7Sr0.3MnO3, Zn0.3Ni0.7Fe2O4/CuPc Hybrid Interfaces

Optical and Magneto‐Tunable Electrical Transport Across La0.7Sr0.3MnO3, Zn0.3Ni0.7Fe2O4/CuPc Hybrid Interfaces

Magnetostrictive Materials

Zn doped NiFe2O4- Pb (Zr0.58Ti0.42)O3 multiferroic nanocomposites: Magnetoelectric coupling, dielectric and electrical transport

Contact Info

Product

Resources

About

Optical and Magneto‐Tunable Electrical Transport Across La_0.7Sr_0.3MnO₃, Zn_0.3Ni_0.7Fe₂O₄/CuPc Hybrid Interfaces

Optical and Magneto‐Tunable Electrical Transport Across La_0.7Sr_0.3MnO₃, Zn_0.3Ni_0.7Fe₂O₄/CuPc Hybrid Interfaces