Outputs (83)

Designer Nanomagnets: Static and Dynamic Responses (2024)
Book Chapter
Talapatra, A., & Adeyeye, A. O. (2024). Designer Nanomagnets: Static and Dynamic Responses. In Nanomagnets as Dynamical Systems (1-32). Springer Nature. https://doi.org/10.1007/978-3-031-73191-4_1

This chapter provides fundamentals of magnetic nanostructures’ static and dynamic responses with particular attention to shape anisotropy. The chapter is divided into two parts: The first part presents the static behavior of a linear chain of interac... Read More about Designer Nanomagnets: Static and Dynamic Responses.

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..

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.

Mapping the transition from quasi-2D to 3D spin textures in NiFe nanomagnets (2024)
Journal Article
Scott, J. R., Atkinson, D., & Adeyeye, A. O. (2024). Mapping the transition from quasi-2D to 3D spin textures in NiFe nanomagnets. Applied Physics Letters, 124(22), https://doi.org/10.1063/5.0212429

Coherent and Dissipative Coupling in a Magnetomechanical System (2024)
Journal Article
Carrara, P., Brioschi, M., Silvani, R., Adeyeye, A. O., Adeyeye, A., Panaccione, G., Gubbiotti, G., Rossi, 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.

Tuning spin wave modes in yttrium iron garnet films with stray fields (2022)
Journal Article
Chaudhuri, U., Singh, N., Mahendiran, R., & Adeyeye, A. O. (2022). Tuning spin wave modes in yttrium iron garnet films with stray fields. Nanoscale, 14(33), 12022 - 12029. https://doi.org/10.1039/d2nr00618a

The nanopatterning of Yttrium Iron Garnets (YIGs) has proven to be a non-trivial problem even with advances in modern lithography techniques due to non-compatibility with a conventional complementary metal oxide semiconductor platform. In an attempt... Read More about Tuning spin wave modes in yttrium iron garnet films with stray fields.

Elongation of skyrmions by Dzyaloshinskii–Moriya interaction in helimagnetic films (2022)
Journal Article
Dai, Y.-Y., Wang, H., Yang, T., Adeyeye, A. O., & Zhang, Z.-D. (2022). Elongation of skyrmions by Dzyaloshinskii–Moriya interaction in helimagnetic films. Rare Metals, 41(9), 3150-3159. https://doi.org/10.1007/s12598-022-02023-z

Distortion of skyrmions arouses much attention recently due to the exotic topological and dynamic properties. Investigating the formation mechanism and dynamical behavior of the deformed skyrmions promotes practical spintronic applications. Elongatio... Read More about Elongation of skyrmions by Dzyaloshinskii–Moriya interaction in helimagnetic films.

Engineering spin wave spectra in thick Ni80Fe20 rings by using competition between exchange and dipolar fields (2021)
Journal Article
Zhou, X., Tartakovskaya, E., Kakazei, G., & Adeyeye, A. (2021). Engineering spin wave spectra in thick Ni80Fe20 rings by using competition between exchange and dipolar fields. Physical Review B, 104(21), Article 214402. https://doi.org/10.1103/physrevb.104.214402

Control of the spin wave dynamics in nanomagnetic elements is very important for the realization of a broad range of novel magnonic devices. Here we study experimentally the spin wave resonance in thick ferromagnetic rings (100 nm) using perpendicula... Read More about Engineering spin wave spectra in thick Ni80Fe20 rings by using competition between exchange and dipolar fields.