A generalized ionic approach to the epitaxial growth of yttrium iron garnet films in molten solutions

Gasperis, P. De; Marcelli, R.

doi:10.1016/0025-5408(87)90076-6

Cited by 6 publications

(1 citation statement)

References 16 publications

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“…The magnetic garnet films are epitaxially grown materials from molten high-temperature supersaturated solutions [20][21][22][23][24][25], and they are suitable to be used in planar micro-processed configurations involving a few coupled straight-edge resonators (SERs) [26,27]. The best material used for microwave applications is the yttrium iron garnet (YIG), epitaxially grown on gadolinium gallium garnet (GGG) substrates, matching the lattice parameter of the material to be grown by a heterogeneous nucleation mechanism.…”

Section: Introductionmentioning

confidence: 99%

Coupled Micromachined Magnetic Resonators for Microwave Signal Processing

Marcelli,

Lucibello,

Proietti

et al. 2024

Micromachines

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In this paper, the theory, micromachining technology, and experimental results of the coupling of integrated magnetic film-based resonators for microwave signal filtering are presented. This is an extended contribution to the field of magnetostatic wave coupled resonators, including details about the technological results, circuit theory, and perspective applications for tunable integrated coupled magnetic resonators. An analytical approach using the magnetostatic wave approximation is used to derive the coupling coefficient between adjacent resonators coupled by the electromagnetic field decaying outside the resonators. Then, micromachining employing hot phosphoric acid etching is presented to manufacture integrated coupled resonators. Finally, circuit modeling and experimental results obtained using the ferromagnetic resonance technique are discussed.

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