rare earth garnet

Interfacial Dzyaloshinskii-Moriya interaction arising from rare-earth

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 ...

Structural and electromagnetic evaluations of YIG rare earth …

The doping of rare earths metal cations in YIG structure reveals the variations in the garnet structure. YIG structure doped with rare earth cations Gd 3+, Yb 3+, Ho 3+ and Pr 3+ are depicted in Fig. 1 b, c, d and e respectively. The XRD patterns of doped YIG with rare earths are matched with standard ICDD card 96-152-2527.

Magnetic and Spintronic Properties of Rare …

Rare earth iron garnets (REIG) can be grown as thin films with strain-induced perpendicular magnetic anisotropy (PMA), and their potential for spintronic device …

Faraday Effect of Bi-Substituted Rare-Earth Iron Garnet

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.

Terahertz magneto-optical response of bismuth-gadolinium …

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 …

Compositional changes in garnet: trace element transfer

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 …

Small optical magnetic-field sensor that uses rare-Earth iron garnet …

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 …

Flexoelectric nanodomains in rare-earth iron garnet …

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

Potential of garnet sand as an unconventional resource of …

Extraction of Sc (and rare earth elements, REE) from such garnet sand may generate added value and thereby reduce disposal cost. The studied garnet sands from different mines in Australia, India ...

Quantifying antisite defect concentrations in yttrium aluminum garnet

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 …

Heavy rare-earth element and Y partitioning between monazite and garnet

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 …

Growth and characterization of rare-earth iron garnet single …

A new bismuth-substituted mixed rare-earth iron garnet bulk single crystal of composition (YYbBi) 3 Fe 5 O 12 (YYbBiIG) has been grown by the improved flux method, whose temperature derivative β of Faraday rotation angle at 45° has been modified by substituting Y 3+ and Yb 3+ ions in garnet crystals. The Faraday rotation and the optical …

Rare Earth Based Iron Garnet – A Survey on Its Magnetic …

When rare earth iron garnets (REIG) are formed by substituting the rare-earth ions with unfilled 4f ⁿ orbitals, the magnetic properties of the iron garnets exhibit an interesting characteristic ...

Evaluation of rare earth (Yb, La) doped (Sm3Fe5O12) garnet …

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 …

A new Ni/Bi Co-doping rare earth iron garnet crystal with …

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 …

Retentiveness of rare earth elements in garnet with …

Incorporation of rare earth elements (REE) in garnet enables garnet chronology (Sm-Nd, Lu-Hf), and imparts a garnet-stable signature on cogenetic phases, …

Combined thermodynamic and rare earth element modelling of 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;

Magnetic and Spintronic Properties of Rare-Earth Iron …

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.

Growth Considering Lattice Mismatch and Thermal …

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 …

Terahertz magneto-optical response of bismuth-gadolinium …

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 …

Industrial garnet as an unconventional heavy rare …

Industrial garnet as an unconventional heavy rare earth element resource: Preliminary insights from a literature survey of worldwide garnet trace element …

Properties of rare-earth iron garnets from first principles

Structural and magnetic properties of rare-earth iron garnets (RIG), which contain 160 atoms per unit cell, are systematically investigated for rare-earth elements varying from La to Lu (and including Y), by performing spin polarized density-functional calculations. The effects of $4f$ electrons (as core or as valence electrons) on the lattice …

Radiative performance of rare earth garnet thin film …

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.

A new Ni/Bi Co-doping rare earth iron garnet crystal with …

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 ...

(PDF) Wide frequencies range of spin excitations in a rare-earth …

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 ...

Predicting new iron garnet thin films with

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

Synthesis and structural characterization of rare …

Rare earth iron garnets are oxides with unit formula R 3 Fe 5 0 12 (RIG); where R represents trivalent rare-earth ions occupying the local 24 c (dodecahedral …

Properties of rare-earth iron garnets from first …

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

Large size rare earth iron garnet single crystals grown by …

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 …

Optical properties of Czochralski grown rare-earth garnet …

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 …