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Impact of thickness and saturation direction over magnetostatic mode energies and profiles in Ni80Fe20 antidots (2024)
Journal Article
Chiroli, S., Faurie, D., Adeyeye, A. O., & Zighem, F. (2025). Impact of thickness and saturation direction over magnetostatic mode energies and profiles in Ni80Fe20 antidots. Journal of Physics D: Applied Physics, 58(1), Article 015001. https://doi.org/10.1088/1361-6463/ad7d9f

The magnetization dynamics of square arrays of circular antidots fabricated on Si(001) substrates using deep ultraviolet lithography with a 248 nm exposing wavelength have been studied. The effects of thickness (40 nm and 80 nm) and the in-plane dire... Read More about Impact of thickness and saturation direction over magnetostatic mode energies and profiles in Ni80Fe20 antidots.

Effect of width and thickness on propagating spin waves in permalloy microstripe waveguides (2024)
Journal Article
Devapriya, M. S., Aditya, N. S., Kuchibhotla, M., Adeyeye, A. O., & Haldar, A. (2024). Effect of width and thickness on propagating spin waves in permalloy microstripe waveguides. Journal of Applied Physics, 136(9), Article 093905. https://doi.org/10.1063/5.0223672

We report the effect of thickness and width on the spin wave transport and dispersion characteristics of permalloy (Py) microstripes using analytical calculations and experiments. Py waveguides with widths ranging from 2 to 4 μm were fabricated for t... Read More about Effect of width and thickness on propagating spin waves in permalloy microstripe waveguides.

Magnetization dynamics in single and trilayer nanowires. (2024)
Journal Article
Kuchibhotla, M., Haldar, A., & Adeyeye, A. O. (2024). Magnetization dynamics in single and trilayer nanowires. Journal of Physics: Condensed Matter, 36(45), Article 455808. https://doi.org/10.1088/1361-648X/ad6c9a

We have studied the magnetization dynamics of single Py( ) ( = 20 nm, 50 nm) and trilayer [Py(50)/Pd( )/Py(20)] nanowire arrays fabricated over large areas using deep ultraviolet lithography technique. The dynamic properties are sensitive to the fiel... Read More about Magnetization dynamics in single and trilayer nanowires..

Dominant higher-order vortex gyromodes in circular magnetic nanodots (2024)
Journal Article
Bondarenko, A. V., Bunyaev, S. A., Shukla, A. K., Apolinario, A., Singh, N., Navas, D., Guslienko, K. Y., Adeyeye, A. O., & Kakazei, G. N. (2024). Dominant higher-order vortex gyromodes in circular magnetic nanodots. Nanoscale Horizons, 9(9), 1381-1590. https://doi.org/10.1039/d4nh00145a

The transition to the third dimension enables the creation of spintronic nanodevices with significantly enhanced functionality compared to traditional 2D magnetic applications. In this study, we extend common two-dimensional magnetic vortex configura... Read More about Dominant higher-order vortex gyromodes in circular magnetic nanodots.

Tailoring magnon modes by extending square, kagome, and trigonal spin ice lattices vertically via interlayer coupling of trilayer nanomagnets. (2024)
Journal Article
de Rojas, J., Atkinson, D., & Adeyeye, A. O. (2024). Tailoring magnon modes by extending square, kagome, and trigonal spin ice lattices vertically via interlayer coupling of trilayer nanomagnets. Journal of Physics: Condensed Matter, 36(41), Article 415805. https://doi.org/10.1088/1361-648X/ad5d3f

In this work high-frequency magnetization dynamics and statics of artificial spin-ice lattices with different geometric nanostructure array configurations are studied where the individual nanostructures are composed of ferromagnetic/non-magnetic/ferr... Read More about Tailoring magnon modes by extending square, kagome, and trigonal spin ice lattices vertically via interlayer coupling of trilayer nanomagnets..

Collective spin waves in RKKY interlayer-coupled Ni 80 Fe 20 /Ru/Ni 80 Fe 20 nanowire arrays (2024)
Journal Article
Adeyeye, A. O., Hussain, B., Cottam, M. G., & Gubbiotti, G. (2024). Collective spin waves in RKKY interlayer-coupled Ni 80 Fe 20 /Ru/Ni 80 Fe 20 nanowire arrays. Journal of Physics: Condensed Matter, 36(39), Article 395801. https://doi.org/10.1088/1361-648x/ad5923

We report on a comprehensive investigation of collective spin waves in Ruderman–Kittel–Kasuya–Yosida (RKKY) interlayer-coupled Ni80Fe20 (10 nm)/Ru(1.0 nm)/ Ni80Fe20 (10 nm) nanowire (NW) arrays. We employed Brillouin light scattering to probe the fie... Read More about Collective spin waves in RKKY interlayer-coupled Ni 80 Fe 20 /Ru/Ni 80 Fe 20 nanowire arrays.

Spin Textures in High-Aspect-Ratio Ni80Fe20 Nanodisk Arrays: Implications for Next-Generation Spintronic Devices (2024)
Journal Article
Devapriya, M. S., Zhou, X., Haldar, A., & Adeyeye, A. O. (2024). Spin Textures in High-Aspect-Ratio Ni80Fe20 Nanodisk Arrays: Implications for Next-Generation Spintronic Devices. ACS Applied Nano Material, 7(13), 15096–15103. https://doi.org/10.1021/acsanm.4c01857

Recent progress in nanomagnetism has generated significant enthusiasm for the creation of high-aspect-ratio nanostructures. Nonetheless, fabricating large-area thick nanostructures encounters substantial hurdles due to inherent lithographic constrain... Read More about Spin Textures in High-Aspect-Ratio Ni80Fe20 Nanodisk Arrays: Implications for Next-Generation Spintronic Devices.

Coherent and Dissipative Coupling in a Magnetomechanical System (2024)
Journal Article
Carrara, P., Brioschi, M., Silvani, R., Adeyeye, A. O., Adeyeye, A., Panaccione, G., …Cucini, R. (2024). Coherent and Dissipative Coupling in a Magnetomechanical System. Physical Review Letters, 132(21), Article 216701. https://doi.org/10.1103/PhysRevLett.132.216701

Hybrid elastic and spin waves hold promises for energy-efficient and versatile generation and detection of magnetic signals, with potentially long coherence times. Here we report on the combined elastic and magnetic dynamics in a one-dimensional magn... Read More about Coherent and Dissipative Coupling in a Magnetomechanical System.

Investigation of magnetization dynamics in trilayer width-modulated nanowires (2024)
Journal Article
Kuchibhotla, M., Haldar, A., & Adeyeye, A. O. (2024). Investigation of magnetization dynamics in trilayer width-modulated nanowires. Journal of Applied Physics, 135(10), Article 103903. https://doi.org/10.1063/5.0191447

We have investigated the magnetization reversal processes and dynamic behavior of trilayered Py(50 nm)/Pd(tPd)/Py(20 nm) nanowires with periodic width modulation as a function of spacer layer thickness tPd in the range from 0 to 10 nm and compared th... Read More about Investigation of magnetization dynamics in trilayer width-modulated nanowires.