Abstract. We report the magneto-optical Faraday response of bismuth-gadolinium-substituted rare-earth iron garnet at terahertz frequencies ranging from 100 GHz to 1.2 THz. The maximum transmittance of ±45° component is about 60% near the frequency point of 0.63 THz. When the external magnetic field change from -100 mT to …

Bi-doped rare earth iron garnet (Bi:RIG) crystal is an ideal magneto-optical material for optical isolators in the near-infrared band, which has been widely used in optical communication applications. In this paper, centimeter-sized and good-quality Ni 2+-doped Bi:RIG crystals were successfully grown by top-seeded solution growth (TSSG).The …

2021. TLDR. Results reveal that these lattice distortions result in a decrease in the crystal-field splitting energies at Fe sites and in a lifted orbital degeneracy at octahedral sites, while the antiferromagnetic spin order remains preserved, thereby contributing to enhanced magneto-optical response in bismuth-substituted iron garnet.

Rotator Garnet Crystals. Bismuth-doped rare-earth iron garnet (BIG) thick films are the principal Faraday rotator materials for non-reciprocal passive optical devices in telecommunications applications. These materials are highly transparent at the principal near-infrared telecommunications wavelengths and exhibit high specific Faraday rotation.

Rare earth iron garnets (R3Fe5O12 or RIG, with R=Y, Sm, Eu, Gd, Dy, Ho, Er, and Yb) and rare earth orthoferrites RFeO3 have been synthesized from R2O3/Fe3O4 mixtures using the monomode microwave ...

Rare earth element doping is a popular methodology for improving the electrical and electrochemical properties of materials. Inspired by this ideology, garnet ferrite material Sm 3 Fe 5 O 12 (SFO) doped by rare earth (Yb, La) metal ions to form Sm 3-0.5 Yb 0.5 Fe 5 O 12 (SYFO) and Sm 3-0.5 La 0·5 Fe 5 O 12 (SLFO). The samples are …

Yttrium iron garnet (Y 3 Fe 5 O 12) from garnet family is a well-known rare earth ferrite which is widely used in microwave devices, multi-ferroics, permanent magnets, and also in radars . Specifically, all sites in YIG are occupied with metal cations which make them more chemically stable and compatible than other spinel ferrite nanoparticles ...

List of magnetic rare earth iron garnet thin films and garnet substrates available off-the-shelf used for this study. The fourth column shows the lattice constants used for calculating the magnetoelastic anisotropy values of epitaxial garnets on the given substrates. Garnet material Chemical formula

6. Spintronic Applications of Rare-Earth Iron Garnet Thin Films 6.1. Fast Switching and Signature of Efficient Domain Wall Motion Driven by Spin-Orbit Torques in a Perpendicular Anisotropy Magnetic Insulator/Pt Bilayer 6.2. Interface-Driven Chiral Magnetism and Current-Driven Domain Walls in Insulating Magnetic Garnets 6.3.

Rare earth materials have also been studied for TPV applications due to their narrow emission band. In this regard, Chubb et al. [35] developed a spectral emittance model and calculated the emitter efficiency for both an emitting film and a cylindrical fibre made of erbium aluminium garnet (Er3Al5O12) and holmium aluminium garnet …

The rare earth element patterns in garnet exhibit distinct enrichment zones that fingerprint the minerals involved in the garnet-forming reactions as well as local peaks that can be explained by fractionation effects and changes in the mineral assemblage. Previous article in issue; Next article in issue;

Ultrafast magnetization dynamics of a rare-earth Bi-doped garnet were studied using an optical pump–probe technique via the inverse Faraday effect. We observed a wide range of frequency modes of ...

Rare earth (RE) element doped garnet crystals have unique properties and are important photonic materials with a wide range of applications as active laser media and phosphors. They have great potential as high performance scintillators for numerous applications including nuclear physics and advanced medical imaging [[1], ...

Radiative performance of rare earth garnet thin film selective emitters Roland A. Lowe; Roland A. Lowe Kent State University, Kent, Ohio 44242. Search for other works by this author on: ... made (1.2<λ<3.2 μm). Emitter efficiency and power density are significantly improved with the addition of multiple rare earth dopants.

Yttrium iron garnet (YIG) nanoparticles (NPs) doped with rare earth (RE) metal ions (Y 2.5 Sm 0.5 Fe 5 O 12, Y 2.5 Nd 0.5 Fe 5 O 12) were successfully synthesized by sol-gel auto combustion approach.The cubic crystalline structure and morphology of the prepared garnet ferrite NPs were analyzed by X-ray diffractometer (XRD) and field …

Highly accurate optical magnetic-field probe sensors that use iron garnet films have been developed. New probe-type sensors were designed with a confocal optical system. A new garnet composition, Bi(0.98)Gd(0.92)La(0.03)Y(1.07)Fe(4.72)Ga(0.28)O(12), was found that shows high …

Rare-earth iron garnets, R3 Fe 5 O 12, are ferrimagnetic insulators with useful magnetic properties. However, they are unlikely to show remanent dielectric …

We performed time-resolved pump--probe measurements using rare-earth iron garnet ce {Gd3/2Yb1/2BiFe5O12} as a two-sublattice ferrimagnet. We measured the initial phases of the magnetic resonance modes below and above the magnetization compensation temperature to clarify the sublattice selectivity of the inverse Faraday …

Bi3+-doped iron garnet crystals (Bi:RIG) have received extensive attention for their excellent magneto-optical properties. The quality of garnet crystals has a great relationship with mismatch in the lattice and thermal expansion between crystals and seeds. Compared with TGG seeds, Sc,Ga:YIG is more suitable as the seed for growing …

Magnetic-Domain-Wall-Induced Electrical Polarization in Rare-Earth Iron ...

The anomalous Hall effect measurements are used to probe the magnetization reversal of terbium iron garnet (TbIG) thin films at different temperatures. The compensation temperature (T comp ) of TbIG thin films is revealed, and the film thickness effect on the T comp is studied.

We report the magneto-optical Faraday response of bismuth-gadolinium-substituted rare-earth iron garnet at terahertz frequencies ranging from 100 GHz to 1.2 THz. The maximum transmittance of ±45° component is about 60% near the frequency point of 0.63 THz. When the external magnetic field change from –100 mT to +100 mT, the Faraday rotation angle …

The garnet structure and its many subgroups have been successfully used as hosts for rare earth ions, introduced as substitutional impurities, in the development of solid state laser crystals 7. Doping, dependent on the particular ion and crystal structure, may be as high as 100 at. % (complete substitution of yttrium ion with the rare earth ion).

Structural and magnetic properties of rare-earth iron garnets (RIG), which contain 160 atoms per unit cell, are systematically investigated for rare-earth elements …

The dominant point defect in many rare-earth (RE) doped garnets is thought to be antisite occupation of Y 3+ or the rare earth dopant on the Al 3+ site in the host crystal structure [8, 9, 12, 13]. These antisite defects are believed to be the cause of the large inhomogeneous broadening observed for the optical transitions of RE-doped …

Potential of garnet sand as an unconventional resource of the critical high-technology metals scandium and rare earth elements. Franziska Klimpel, Michael Bau & …

Rare earth garnet (R 3 Fe 5 O 12, RIG) single crystals are the most ideal magneto-optical medium for optical isolators for wavelength longer than 1.1 μm, which has been commercially used in optical fiber communications.However, it is still a great challenge to grow large size RIG single crystals. In this work, high-quality Y 3 Fe 5 O 12 (YIG) and …

Incorporation of rare earth elements (REE) in garnet enables garnet chronology (Sm-Nd, Lu-Hf), and imparts a garnet-stable signature on cogenetic phases, which allows petrochronology and general petrogenetic tracing of garnet stability in minerals and melts. Constraints on the uptake and redistribution mechanisms, as well as …

Rare-earth garnet single crystals are promising for optical and magnetic applications. We have investigated the use of garnet single crystals as magnetic materials for magnetic refrigerators [1] . We grew many garnet single crystals in solid solution [1], and many new properties have been reported such as decrease of magnetic phase …

Rare earth reduced garnet systems and related microwave applications. Patent. US-2016226120-A1. Inventor. CRUICKSHANK DAVID BOWIE (US) ... Further, reduced or nil rare earth content of such garnets can allow cost-effective fabrication of ferrite-based RF devices. In some embodiments, such ferrite devices can include other …

The compositional zoning of the major divalent cations in metamorphic garnet is a useful tool in reconstructing the pressure–temperature path. However, trace elements can provide a better-preserved record of petrogenetic evolution due to their strong affinity in garnet and slow diffusion rates. In this study, three high-pressure micaschist …

In the present work, we report for the first time the synthesis of a series of highly crystalline rare-earth iron garnet (RE 3 Fe 5 O 12, RE = Y, Gd–Dy) thin films with cubic networks …

Calibrating heavy rare-earth elements (HREE) partitioning between monazite and garnet is a direct way to link datable accessory phases with major minerals, and is therefore vital for the interpretation of geochronological data and the establishment of P–T–t paths. However, HREE partitioning (D HREE) data for monazite and garnet are …

Bi-doped rare earth iron garnet (Bi:RIG) crystal is an ideal magneto-optical material for optical isolators in the near-infrared band, which has been widely used in optical communication applications. In this paper, centimeter-sized and good-quality Ni 2+-doped Bi:RIG crystals were successfully grown by top-seeded solution growth (TSSG). The ...

We show that rare-earth ion substitution and strain engineering can significantly alter the DMI. ... The epitaxial growth of the fully strained garnet film on the GGG substrate is confirmed by ...