Pulsed laser deposition of high-quality μm-thick YIG films on YAG

Abstract

We report the epitaxial growth of high-quality μm-thick yttrium iron garnet (YIG) films on yttrium aluminium garnet (YAG) substrates by pulsed laser deposition (PLD). The effects of substrate temperature and oxygen pressure on composition, crystallinity, optical transmission and ferromagnetic resonance (FMR) linewidth have been investigated. An FMR linewidth as low as 1.75 mT at 6 GHz was achieved by depositing YIG on YAG substrates with (100) orientation at a substrate temperature of ~1600 K and with oxygen pressure of ~1 Pa.

Tailoring of YIG film properties via compositional tuning by multi-beam pulsed laser deposition

“…Single-beam PLD from a stoichiometric target usually leads to films that are iron (Fe) deficient, as previously reported in the literature [2] and confirmed in our experiments [5].…”

“…in magnetostatic wave band pass filters [2].YIG films have been grown by liquid phase epitaxy [3], sputtering [4] or pulsed laser deposition (PLD) [2,5]. Single-beam PLD from a stoichiometric target usually leads to films that are iron (Fe) deficient, as previously reported in the literature [2] and confirmed in our experiments [5].…”

“…YIG films were grown on 10 × 10 mm 2 1 mm-thick YAG (100)-oriented substrates, heated to T ≈ 1400 K, the highest temperature possible in our system, lower than the optimum value (T OPT ≈ 1600 K) for YIG/YAG growth [5]. The off-axis configuration of target holders relative to the substrate causes a lower deposition rate, compared to that reported in [5], using our single-beam PLD system; for this reason, we reduced the target-substrate distance to d = 4 cm and, at the same time, increased the oxygen pressure to P O2 = 3.4 Pa, following the general rule of thumb: d•P O2 = const., in order to maintain the same plume dynamics.…”

Photonic-magnonic crystals: Multifunctional periodic structures for magnonic and photonic applications

“…The dielectric spacers are made of alternately placed layers of TiO 2 and SiO 2 with thicknesses of d 1 and d 2 , respectively, which will take values from 100 nm up to few hundreds of nm. Thus, such structure can be fabricated with available technologies 41,[68][69][70] and plays simultaneously the role of MC ( Fig. 1(a)) and PC ( Fig.…”

First principles study of structure, electronic and optical properties of Y3Fe5O12 in cubic and trigonal phases

“…It was reported that Bi dopant decreased the saturation magnetization of Y 3 Fe 5 O 12 nanoparticles [14]. Additionally, considerable research studies, focused on the magnetic thin films, have been reported [15][16][17]. H. L. Wang et al [15] investigated the straintunable magnetocrystalline anisotropy in YIG thin films.…”