Magnetic Properties of Coupled 
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 Structures Tailored by Ion Irradiation

Wawro, A.; Kurant, Z.; Jakubowski, M.; Tekielak, M.; Pietruczik, A.; Böttger, Roman; Maziewski, A.

doi:10.1103/physrevapplied.9.014029

Cited by 27 publications

(14 citation statements)

References 54 publications

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“…These periodical modulations of magnetic structures can be achieved by both the external geometrical modifications and the intrinsic properties of the magnetic media 88,[111][112][113][114][115][116][117][118] . The geometrical modifications can be realized by chemical etching, laser processing or ion implantation, et al [85][86][87][111][112][113][114] .…”

Section: What Are Magnonic Crystals?mentioning

confidence: 99%

“…Since then, researchers have already found skyrmions in variety of bulk magnetic materials and magnetic thin films [133][134][135] . Because of their topological protection, small spatial size and low driving current density 136,[142][143][144][145][146][147] , magnetic skyrmions show remarkable potential applications in new high-density and low-energydissipation spintronic devices such as racetrack memory, logic devices and radiofrequency devices 114,[157][158][159][160][161] . In order to achieve the goal of applying skyrmions to these devices, researchers have invested much attention on the thermal stability, nucleation, annihilation, detection and current-driven movement in recent years [133][134][135]…”

Section: What Are Magnetic Skyrmions?mentioning

confidence: 99%

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Hybrid quantum systems based on magnonics

Lachance-Quirion

Tabuchi

Gloppe

et al. 2019

Appl. Phys. Express

599

413

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Engineered quantum systems enabling novel capabilities for communication, computation, and sensing have blossomed in the last decade. Architectures benefiting from combining distinct and complementary physical quantum systems have emerged as promising platforms for developing quantum technologies. A new class of hybrid quantum systems based on collective spin excitations in ferromagnetic materials has led to the diverse set of experimental platforms which are outlined in this review article. The coherent interaction between microwave cavity modes and collective spin-wave modes is presented as the backbone of the development of more complex hybrid quantum systems. Indeed, quanta of excitation of the spin-wave modes, called magnons, can also interact coherently with optical photons, phonons, and superconducting qubits in the fields of cavity optomagnonics, cavity magnomechanics, and quantum magnonics, respectively. Notably, quantum magnonics provides a promising platform for performing quantum optics experiments in magnetically-ordered solid-state systems. Applications of hybrid quantum systems based on magnonics for quantum information processing and quantum sensing are also outlined briefly.

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Section: What Are Magnonic Crystals?mentioning

confidence: 99%

Section: What Are Magnetic Skyrmions?mentioning

confidence: 99%

Hybrid quantum systems based on magnonics

Lachance-Quirion

Tabuchi

Gloppe

et al. 2019

Appl. Phys. Express

599

413

View full text Add to dashboard Cite

show abstract

“…1(a). Such a system can be fabricated by lithographic techniques [30,31], where two different materials can be deposited in separate areas, by the ion implantation, where magnetic anisotropy or magnetization saturation can be changed in initially homogeneous magnetic layer [32,33], or by inducing a thermal gradient that suppress magnetization saturation [34]. In our model, we consider two sets of parameters corresponding to widely used materials, namely cobalt (Co) and permalloy (Py).…”

Section: A Structurementioning

confidence: 99%

Interface modes in planar one-dimensional magnonic crystals

Mieszczak¹,

Kłos²

2021

Preprint

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We present the concept of Zak phase for spin waves in planar magnonic crystals and discuss the conditions for the existence of interface modes localized on the boundary between two magnonic crystals with centrosymmetric unit cells. Using the symmetry criterion and the calculated logarithmic derivative of the Bloch function we study the interface modes to demonstrate the bulk-edge correspondence. Our theoretical results are verified numerically for structures in the exchange and exchange-dipolar regimes and extended to the case in which one of the magnonic crystals has an arbitrary unit cell. Moreover, we show that by shifting the unit cell the interface modes can be caused to traverse the bandgap edges.

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“…13,14 Interestingly, there are also alternative ways to form SW band structure. It can be done with ion implantation, that modifies the material properties relevant for SW propagation, [15][16][17] and allows to create fine patterns suitable for formation of magnonic band gaps. 18,19 Although it does not etch the film, the crystallographic structure and composition is significantly affected which usually is associated with increased damping.…”

Section: Introductionmentioning

confidence: 99%

Magnonic band gap and mode hybridization in continuous permalloy films induced by vertical dynamic coupling with an array of permalloy ellipses

et al. 2018

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We investigate magnonic band structure in thin homogeneous permalloy film decorated with periodic array of elliptically shaped permalloy dots and separated by non-magnetic Pt spacer. We demonstrated experimentally formation of the magnonic band structure for Damon-Eshbach wave propagating in permalloy film with the band gap opened at the Brillouin zone border and band splitting at smaller wavenumbers, due to the Bragg interference and interaction of propagating wave of the continuous film with a standing resonant mode of the nano-ellipses, respectively. The shape anisotropy of the permalloy nanodots allows to control the spin wave dynamics through the switch between two states of the magnetization with respect to the underneath film magnetization, thus enabling magnonic band structure reprogrammability. With numerical analysis we show, that predominant role in formation of the magnonic band structure is played by a vertical dynamic coupling between propagating wave in the film and magnetization oscillations in the nanodots.

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Magnetic Properties of Coupled Co/Mo/Co Structures Tailored by Ion Irradiation

Cited by 27 publications

References 54 publications

Hybrid quantum systems based on magnonics

Hybrid quantum systems based on magnonics

Interface modes in planar one-dimensional magnonic crystals

Magnonic band gap and mode hybridization in continuous permalloy films induced by vertical dynamic coupling with an array of permalloy ellipses

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