Influence of structure on the magnetoresistive properties of discontinuous multilayer structures based on Ni80Fe20 and SiO

Editorial Board PCSS Journal; O.V. Pylypenko; I.M. Pazukha; S.R. Dolhov-Hordiichuk; A.M. Lohvynov; K.V. Tyschenko; B.S. Ruban; A.M. Chornous; V. Komanicky; Yu.O. Shkurdoda

doi:10.15330/pcss.27.1.172-178

Authors

O.V. Pylypenko Sumy State University, Sumy Ukraine
I.M. Pazukha Sumy State University, Sumy Ukraine
S.R. Dolhov-Hordiichuk Sumy State University, Sumy Ukraine
A.M. Lohvynov Sumy State University, Sumy, Ukraine
K.V. Tyschenko Sumy State University, Sumy Ukraine
B.S. Ruban Sumy State University, Sumy Ukraine
A.M. Chornous Sumy State University, Sumy Ukraine
V. Komanicky P.J. Šafárik University in Kosice, Kosice, Slovakia
Yu.O. Shkurdoda Sumy State University, Sumy Ukraine

DOI:

https://doi.org/10.15330/pcss.27.1.172-178

Keywords:

discontinuous multilayer structures, ferromagnetic alloy, crystal structure, magnetoresistance, annealing

Abstract

This work presents the results of experimental studies on the structure and magnetoresistive properties of [Ni₈₀Fe₂₀(d_Ni80Fe20)/SiO(5)]₅/S discontinuous multilayer structures. It is shown that for both as-deposited and annealed structures at temperatures of 400, 500, 600, and 700 K with an effective thickness of Ni₈₀Fe₂₀ layer d_Ni80Fe20 = 6-8 nm, anisotropic magnetoresistance is observed. It was found that annealing at 500 K for samples with d_Ni80Fe20 = 4-5 nm leads to the emergence of isotropic magnetoresistance due to insulating interlayers forming between magnetic granules. After annealing at 600 K, anisotropic magnetoresistance reappears in structures with d_Ni80Fe20 > 4 nm due to the breakdown of the structural continuity of the insulating layers.

References

J.L. Tsaia, G. Varvarob, C. Pia, J.Y. Chena, Y.T. Wu, CoCrPt@(TiO2,CoO) granular thin films grown on Ru/NixPd100-x/NiTa (x = 20, 50, 80), Thin Solid Films 693, 137683 (2020); https://doi.org/10.1016/j.tsf.2019.137683.

Y. Ma, G. Li, J. Du, M. Li, J. Wang, Q. Wang, Size-dependent structure and magnetic properties of co-evaporated Fe-SiO2 nanoparticle composite film under high magnetic field, AIP Adv. 6, 055929 (2016); https://doi.org/10.1063/1.4944516.

I. Suzuki, J. Wang, Y.K. Takahashi, K. Hono, Control of grain density in FePt-C granular thin films during initial growth, J. Magn. Magn. Mater. 500, 166418 (2020); https://doi.org/10.1016/j.jmmm.2020.166418.

A. Vovk, A. García-García, Y.G. Pogorelov, J.A. Pardo, P. Štrichovanec, C. Magén, P.A. Algarabel, J.P. Araujo, G.N. Kakazei, Probing the morphology of epitaxial Fe/MgO discontinuous multilayers by magnetometric technique, J. Magn. Magn. Mater. 474, 369 (2019); https://doi.org/10.1016/j.jmmm.2018.11.015.

Yu.O. Shkurdoda, I.M. Pazukha, A.M. Chornous, Peculiarity of magnetoresistance of discontinuous ferromagnetic thin films, Int. J. Miner. Metall. Mater. 24, 1459 (2017); https://doi.org/10.1007/s12613-017-1539-6.

J.C. Denardin, M. Knobel, L.S. Dorneles, L.F. Schelp, Structural, magnetic and transport properties of discontinuous granular multi-layers, J. Magn. Magn. Mater. 294, 206 (2005); https://doi.org/10.1016/j.jmmm.2005.03.036.

S. Yuasa, A. Fukushima, H. Kubota, Y. Suzuki, K. Ando, Giant tunneling magnetoresistance up to 410% at room temperature in fully epitaxial Co∕MgO∕Co magnetic tunnel junctions with bcc Co(001) electrodes, Appl. Phys. Lett. 89, 042505 (2006); https://doi.org/10.1063/1.2236268.

S. Ikeda, K. Miura, H. Yamamoto, K. Mizunuma, H.D. Gan, M. Endo, S. Kanai, J. Hayakawa, F. Matsukura, H. Ohno, A perpendicular-anisotropy CoFeB–MgO magnetic tunnel junction, Nature Mater 9, 721 (2010); https://doi.org/10.1038/nmat2804.

B.-H. Huang, Y.-H. Fu, C.-C. Kaun, Y.-H. Tang, Determining perpendicular magnetic anisotropy in Fe/MgO/Fe magnetic tunnel junction: A DFT-based spin–orbit torque method, J. Magn. Magn. Mater 585, 171098 (2023); https://doi.org/10.1016/j.jmmm.2023.171098.

M. Mi, H. Xiao, L. Yu, Y. Zhang, Y. Wang, Q. Cao, Y. Wang, Two-dimensional magnetic materials for spintronic devices, Mater. Today Nano 24 100408 (2023); https://doi.org/10.1016/j.mtnano.2023.100408

S. Bedanta, W. Kleemann, Supermagnetism, J. Phys. D Appl. Phys. 42 (1), 013001 (2009); https://doi.org/10.1088/0022-3727/42/1/013001.

S.E. Rannala, A. Meo, S. Ruta, W. Pantasri, R.W. Chantrell, P. Chureemart, J. Chureemart, Models of advanced recording systems: A multi-timescale micromagnetic code for granular thin film magnetic recording systems, Comput. Phys. Commun. 279, 108462 (2022); https://doi.org/10.1016/j.cpc.2022.108462.

M. Nichterwitz, S. Honnali, J. Zehner, S. Schneider, D. Pohl, S. Schiemenz, S.T.B. Goennenwein, K. Nielsch, K. Leistner, Control of Positive and Negative Magnetoresistance in Iron Oxide–Iron Nanocomposite Thin Films for Tunable Magnetoelectric Nanodevices, ACS Appl. Electron. Mater. 2, 2543 (2020); https://doi.org/10.1021/acsaelm.0c00448.

B. Chen, M. Zeng, K.H. Khoo, D. Das, X. Fong, S. Fukami, S. Li, W. Zhao, S.S.P. Parkin, S.N. Piramanayagam, S.T. Lim, Spintronic devices for high-density memory and neuromorphic computing – A review, Mater. Today 70, 193 (2023); https://doi.org/10.1016/j.mattod.2023.10.004.

Z.G. Qiu, D.C. Zeng, L.Z. Zhao, J. Wang, H.Y. Yu, Z.W. Liu, J.P. Liu, K.S. Zhou, Effects of non-magnetic phase and deposition temperature on magnetic properties of FePt–MgO granular thin films on single-crystal MgO substrate, Phys. B 500, 111 (2016); https://doi.org/10.1016/j.physb.2016.07.029.

I.M. Pazukha, V.V. Shchotkin, Yu.O. Shkurdoda, Structure, Magnetic and Magnetoresistive Properties of Composite Materials Based on Ferromagnetic Metals and Alloys with Different Types of Dielectric Matrix, Prog. Phys. Met. 20 No 4, 672 (2019); https://doi.org/10.15407/ufm.20.04.672.

I. Suzuki, T. Abe, H. Sepehri-Amin, K. Hono, Y.K. Takahashi, Microstructure evolution in FePt-Cr2O3 granular thin films, J. Magn. Magn. Mater. 579, 170874 (2023); https://doi.org/10.1016/j.jmmm.2023.170874.

C. Wang, Y. Zhang, P. Zhang, Y. Rong, T.Y. Hsu, Influence of annealing on microstructure and magnetic-transport of FeCo–SiO2 nanogranular films, J. Magn. Magn. Mater. 320, 683 (2008); https://doi.org/10.1016/j.jmmm.2007.08.007.

I.M. Pazukha, A.M. Lohvynov, K.V. Tyschenko, O.V. Pylypenko, Yu.O. Shkurdoda, V. Komanicky, Size effects in the electrical conductance of discontinuous thin-film systems based on Fe (FeNi) and SiO, MRS Communications 14, 56 (2024); https://doi.org/10.1557/s43579-023-00499-z.

J. Romero, H. Prima-Garcia, M. Varela, S.G. Miralles, V. Oestreicher, G. Abell´an, E. Coronado, Giant enhancement in the supercapacitance of NiFe–grapheme nanocomposites induced by a magnetic field, Adv. Mater. 31 (28), 1900189 (2019); https://doi.org/10.1002/adma.201900189.

Y. Slimani, B. Unal, E. Hannachi, A. Selmi, M.A. Almessiere, M. Nawaz, M. Yildiz, Frequency and dc bias voltage dependent dielectric properties and electrical conductivity of BaTiO3SrTiO3/(SiO2)x nanocomposites, Ceram. Int. 45 (9), 11989 (2019); https://doi.org/10.1016/j.ceramint.2019.03.092.

A. Wilczy´nska, T. N. Kołtunowicz, A. Kociubi´nski, B. Guzowski, M. Łakomski, Hund’s matrix: A structure-based descriptor to predict the magnetic properties, J. Magn. Magn. Mater. 597, 172030 (2024); https://doi.org/10.1016/j.jmmm.2024.172026.

O.V. Pylypenko, I.M. Pazukha, S.R. Dolhov-Hordiichuck, A.M. Lohvynov, K.V. Tyschenko, R.O. Troian, V. Komanicky, Yu.O. Shkurdoda, Magnetoresistive Properties of Discontinuous Thin-film Systems Based on Ni80Fe20 and SiOx (x  1), J. Nano- Electron. Phys. 16, 06031 (2024); https://doi.org/10.21272/jnep.16(6).06031.

S. Ren, B. You, J. Dua, X.J. Bai, J. Zhang, A. Hua, B. Zhang, X.X. Zhang, Transport properties in iron–iron oxide film near percolation threshold, J. Alloys Compd. 465, 417 (2008); https://doi.org/10.1016/j.jallcom.2007.10.142.

D. Peng, J. Wang, L. Wang, X. Liu, Z. Wang, Y. Chen, Electron transport properties of magnetic granular films, Sci. China Phys. Mech. Astron. 56, 15 (2013); https://doi.org/10.1007/s11433-012-4969-1.

I.M. Pazukha, Y.O. Shkurdoda, R.M. Petrenko, A.M. Lohvynov, O.V. Pylypenko, Peculiarities of Magnetoresistance of [Fe/SiO]n Discontinuous Multilayers, J. Supercond. Nov. Magn. 34, 2601 (2021); https://doi.org/10.1007/s10948-021-05914-x.

C.J. O’Connor, V.O. Golub, A.Ya Vovk, A.F. Kravets, A.M. Pogoriliy, Influence of particle size distribution in cermet nanocomposites on magnetoresistance sensitivity, IEEE Trans. Magn. 38 No 5, 2631 (2002); https://doi.org/10.1109/TMAG.2002.801967.