rare earth manipulation

Phys. Rev. A 103, 022618 – Published 26 February 2021. More. PDF HTML Export Citation. Abstract. Rare-earth ion doped crystals have proven to be solid platforms for …

The manipulation in our experiments, resulting from the strong spin-orbit coupling of the rare-earth ion, is much more efficient compared to those with other separated electron spin centres. The quantum coherence time, of course, is still an important factor to determine whether any application is possible, but faster …

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The robustness of rare-earth systems to surface perturbations motivates nanophotonic engineering as a promising route to ameliorate their low photon count rate.

Here we report formation and atomically precise manipulation of rare-earth complexes on a gold surface. Although they are composed of multiple units held together by electrostatic interactions, the entire complex rotates as a single unit when electrical energy is supplied from a scanning tunneling microscope tip. Despite the hexagonal symmetry ...

With the rapid development of nanotechnology, the unique rare earth lanthanide-doped upconversion nanocrystals (UCNs), which can convert tissue-penetrable near-infrared (NIR) photonic irradiation ...

Scientists at Ohio University, Argonne National Laboratory, and the University of Illinois at Chicago have, for the first time, formed a charged rare earth molecule on a metal surface and rotated it — both …

In the Bi-based family, CaMg 2 Bi 2 compound possesses the virtues of environmental friendliness, low cost, and high element abundance compared with the other two containing expensive Yb and Eu. Early studies reported that the peak Z T is only ~0.1 for CaMg 2 Bi 2 synthesized by the traditional melting method, which is far from practical application …

Spectral Manipulation of X-Ray Excited Optical/Persistent Luminescence by Constructing Metal–Organic Framework@Fluoride Nanoparticles Composites. Weixin Xu, ... Key Laboratory of Rare Earth Optoelectronic Materials and Devices of Zhejiang Province, College of Optical and Electronic Technology, China Jiliang University, Hangzhou, …

Rare-earth (RE) elements are tantalizing to explore for advanced technological applications 1,2,3,4,5,6,7,8 because of their distinct magnetic, optical and catalytic properties 9,10,11,12,13,14,15 ...

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Request PDF | Manipulation of Rare Earth on Voltage-Driven in-Situ Exsolution Process of Perovskite Cathodes for Low-Temperature Solid Oxide Fuel Cells | The sluggish oxygen reduction reaction ...

Dynamic manipulation of multimodal emission in Er 3+-activated non-core–shell structure for optical thermometry and information security. ... and numerous energy levels of trivalent rare earth ions, lanthanide-doped luminescent materials possess unique optical properties of sharp emission bands, long-live emission (μs to ms), large ...

Request PDF | On Apr 1, 2023, Shulan Zuo and others published Manipulation of topological spin textures in centrosymmetric rare-earth magnets | Find, read and cite all the research you need on ...

Another interesting platform for quantum photonics is given by rare-earth ions doped in a crystal (Fig. 5d–f). The unique feature of these systems is the efficient screening of the inner ...

A Ce:YAG single crystal was employed due to that rare-earth ions have strong spin-orbit coupling and with considerations regarding the dynamics and the symmetry requirements. The Stark effect of the Ce3+ ion was observed and measured. When demonstrated as a quantum phase gate, the electric field manipulation exhibited …

In this study, the ORR activity of rare earth-doped Ln 0.2 Ba 0.8 Co 0.7 Fe 0.3 O 3−δ (Ln = La, Pr, Nd) cathodes below 600 °C is significantly enhanced through the …

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Optical traps using optical fibers can facilitate trapping, manipulation, and characterization of particles ranging from dielectric beads, through anisotropic particles such as rare-earth doped nanorods, with the added advantage of a small footprint. Here, we will introduce several fiber traps, including the quasi-Bessel beam optical fiber tweezers and the optical …

In addition, a thermal anisotropic energy manipulation approach to tuning transmitted waves was developed by lowering the temperature. Rare earth orthoferrites are a kind of effective medium in the THz range and exhibit the signature of natural metamaterials. Keywords: ceramics; functional inorganic materials and devices; natural …

Scientists from Ohio University, Argonne National Laboratory, and the University of Illinois at Chicago used scanning tunneling microscopy to form a charged …

Rare-earth impurities have been studied for decades and have become important in several photonic technologies, but single-impurity studies have until recently remained elusive.

Arbitrary coherent manipulation of this S > 1/2 system is realized on a molecular and purely ... Y.-H. et al. Orientation mapping of Rabi frequencies in a rare-earth molecular qudit. Inorg. ...

This study unveils the existence of field‐free spontaneous (anti)meron chains with a topological charge of ±1/2 in the centrosymmetric rare‐earth magnet Tb6Co2.17Si2.5 via in situ real ...

The government can also protect the market, at little cost, from Chinese manipulation by agreeing to purchase rare earths from American producers when such materials are intended for military systems.

Rare-earth ions with electronic spins are interesting in this context. In this work, we use a loop-gap microwave resonator to coherently drive optical and microwave clock transitions ...

The 151 Eu 3+:Y 2 SiO 5 system. The platform for our quantum memory is a 151 Eu 3+:Y 2 SiO 5 crystal with an energy structure at zero magnetic field as in Fig. 1a. The excited and ground states ...

In 2010, Chen and coworkers employed DEP to separate rare-earth oxide particles [168] in oil media by employing microelectrode arrays, analyzing the effects of frequency, particle size, and ...

The influence of magnetic interactions in rare-earth-doped crystals under an external magnetic field has been studied in order to obtain an efficient three-level $ensuremath{Lambda}$ system with the hyperfine levels of the rare earth. Nuclear Zeeman effect under the action of an external magnetic field removes the nuclear …

The example of Ce 3+ with 4f 1 configuration showed that rare-earth ions, with the aid of a proper symmetry, can enhance the spin-electric coupling via their strong …

For these systems to achieve individual spin addressability and high energy efficiency, we exploited the electric field as a tool to manipulate the quantum behaviours of the rare-earth ion which has strong spin-orbit coupling. A Ce:YAG single crystal was employed with considerations to the dynamics and the symmetry requirements.

Lattices of magnetic skyrmions have been observed in centrosymmetric rare earth compounds, such as Gd2PdSi3 and GdRu2Si2 [41]. Spontaneous topological magnetic transitions were identified in NdCo5 ...

Moreover, rare-earth impurities provide exceptionally long-lived nuclear spins with relaxation and coherence times measured in units of days 86 and hours 87, respectively.

Rare-earth ion doped crystals have proven to be solid platforms for implementing quantum memories. Their potential use for integrated photonics with large multiplexing capability and unprecedented coherence times is at the core of their attractiveness. The best performances of these ions are however usually obtained when …

A low-temperature self-flux strategy has been applied to fabricate a large collection of pure hexagonal phase rare earth fluorides NaREF 4 and REF 3 (RE = rare earth) using NaNO 3, RE(NO 3) 3 ·xH 2 O and NH 4 F with low melting points as the initial raw and semifinished materials. It is found that the stable structure and morphology …

Manipulation of Rare Earth on Voltage-Driven In-Situ Exsolution Process of Perovskite Cathodes for Low-Temperature Solid Oxide Fuel Cells. 26 Pages Posted: ... In this study, the ORR activity of rare earth-doped Ln 0.2 Ba 0.8 Co 0.7 Fe 0.3 O 3−δ (Ln = La, Pr, Nd) cathodes below 600 °C is significantly enhanced through the exsolution of ...