giant magnetic quantum energy storage
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Giant tunneling magnetoresistance in spin-filter van der Waals
Abstract. Magnetic multilayer devices that exploit magnetoresistance are the backbone of magnetic sensing and data storage technologies. Here, we report multiple-spin-filter magnetic tunnel junctions (sf-MTJs) based on van der Waals (vdW) heterostructures in which atomically thin chromium triiodide (CrI 3) acts as a spin-filter …
Giant nanomechanical energy storage capacity in twisted single …
Notably, the gravimetric energy density of these twisted ropes reaches up to 2.1 MJ kg−1, exceeding the energy storage capacity of mechanical steel springs by over four orders of magnitude and ...
Lead‐Free High Permittivity Quasi‐Linear Dielectrics for Giant Energy Storage …
The energy storage performance at high field is evaluated based on the volume of the ceramic layers (thickness dependent) rather than the volume of the devices. Polarization (P) and maximum applied electric field (E max) are the most important
Protecting quantum anomalous Hall state from thermal
Nowdays, transition-metal adatoms and dimers with giant magnetic anisotropy have attracted much attention due to their potential applications in data storage, spintronics and quantum computation.
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Giant magnetoresistance of Dirac plasma in high-mobility graphene
a, Magnetoresistivity of the neutral Dirac plasma between 100 K and 300 K in steps of 50 K. The black circles mark B = 1 T and B = 9 T where Δ reaches about 2,500% and 8,600%, respectively. The B ...
Quantum Coherent Phenomena in Energy Harvesting and Storage
Quantum coherences are superpositions of multiple states oscillating with a well-defined phase. They can include coherences between any type of quantum state, although electronic, vibrational, vibronic, and spin degrees of freedom have been most heavily investigated for energy harvesting and storage purposes. The formation of …
Unraveling quantum capacitance in supercapacitors: Energy storage ...
Quantum capacitance (QC), an often-overlooked factor, has emerged as a crucial player in enhancing energy storage. This comprehensive review explores quantum capacitance across various nano-materials, focusing on sustainable energy solutions. The investigation delves into adsorption phenomena, atom manipulation, surface treatments, …
Low-temperature spin dynamics of ferromagnetic molecular ring {Cr
Magnetic molecules are promising candidates holding much potential in magnetic storage, spintronics, and quantum information processing 1,2,3,4,5,6,7 ing neither simple paramagnets nor ...
Large magnetic anisotropy in chemically engineered iridium …
ARTICLE Large magnetic anisotropy in chemically engineered iridium dimer Xiaoqing Liang1,2, Xue Wu1, Jun Hu 3, Jijun Zhao1 & Xiao Cheng Zeng 2,4 Exploring giant magnetic anisotropy in small ...
Topological Quantum Materials for Energy Conversion and Storage …
ther prospects in energy conversion and storage. IntroductionTopological quantum materials (TQMs) h. st symmetrically protected, high mobility electronic states1-6. These features make them attractive for a range of applications – most commonly discussed are their potential for spin-related information storage and processing.
Quantum levitation | PPT
Quantum levitation. This document discusses quantum levitation using superconductors. It begins by defining superconductivity as zero electrical resistance and magnetic field expulsion below a critical temperature. It then discusses Meissner effect and different types of superconductors. The document introduces the concept of quantum …
2D Magnetic heterostructures: spintronics and quantum future
The discovery of two-dimensional (2D) magnetism within atomically thin structures obtained from layered magnetic crystals has opened up a new realm for …
Giant anisotropic magnetoresistance and …
Giant antiferromagnetic AMR and its reversal. Anisotropic magnetoresistance measured with various H = 0.1 T, 0.25 T, and 3 T at (a) T = 35 K, and (c) T = 90 K.The measurements were performed by ...
Giant magnetoresistance of Dirac plasma in high-mobility graphene
In low fields, the plasma exhibits giant parabolic magnetoresistivity reaching more than 100 per cent in a magnetic field of 0.1 tesla at room temperature.
[2402.17022] Giant quantum oscillations in thermal transport in …
Oscillations of conductance observed in strong magnetic fields are a striking manifestation of the quantum dynamics of charge carriers in solids. The large charge carrier density in typical metals sets the scale of oscillations in both electrical and thermal conductivity, which characterize the Fermi surface. In semimetals, thermal …
Giant magnetic anisotropy of heavy
Nanostructures with giant magnetic anisotropy energies (MAEs) are desired in designing miniaturized magnetic storage and quantum computing devices. …
Giant Magnetoresistance: A Quantum Leap in Data Storage
Giant magnetoresistance (GMR) is a quantum mechanical effect observed in thin film structures composed of alternating ferromagnetic and non-magnetic layers. It is characterized by a significant change in electrical resistance in response to an applied magnetic field. The discovery of GMR in the late 1980s revolutionized the field of …
[2406.08251] Light-induced fictitious magnetic fields for quantum …
The advantage of the use of fictitious magnetic fields for quantum storage stems from the speed and spatial precision that these fields can be synthesized. …
Giant tunneling magnetoresistance in spin-filter van …
Our work reveals the possibility to push magnetic information storage to the atomically thin limit and highlights CrI 3 as a superlative magnetic tunnel barrier for vdW heterostructure spintronic …
Measuring molecular magnets for quantum technologies
Magnetic molecules exhibiting bistable magnetic properties have been proposed for diverse technological applications, such as data storage devices, quantum computation, quantum simulation and ...
2D Magnetic heterostructures: spintronics and quantum future
and magnetic sensors based on giant magnetoresistance (GMR) or tunneling magnetoresistance (TMR). As reported, large ... It enhances energy efficiency, boosts data storage density, and enriches ...
Giant energy storage and power density negative capacitance …
Using a three-pronged approach — spanning field-driven negative capacitance stabilization to increase intrinsic energy storage, antiferroelectric …
Observation of giant non-reciprocal charge transport from quantum …
A giant non-reciprocal coefficient of up to 2.26 × 105 A−1 is found. Our work not only reveals the properties of non-reciprocal charge transport of quantum Hall states in topological insulators ...
Giant Magnetoresistance: Basic Concepts, Microstructure, Magnetic …
1. Introduction. It has been almost 30 years since one of the most fascinating advances in solid state physics occurred, the discovery of the giant magnetoresistance effect (GMR) by Grünberg and Fert in 1988 [1,2] thin metallic film systems, they observed that the magnetization of adjacent ferromagnetic films, …
Single-Ion Magnets with Giant Magnetic Anisotropy and Zero …
The design of mononuclear molecular nanomagnets exhibiting a huge energy barrier to the reversal of magnetization have seen a surge of interest during the last few decades due to their potential technological applications. More specifically, single-ion magnets are peculiarly attractive by virtue of their rich quantum behavior and distinct fine structure. These are …
Single-Ion Magnets with Giant Magnetic Anisotropy and Zero
More specifically, single-ion magnets are peculiarly attractive by virtue of their rich quantum behavior and distinct fine structure. These are viable candidates for implementation as single-molecule high-density information storage devices and other applications in future quantum technologies. The present review presents the …
Giant magnetoresistance
Giant magnetoresistance ( GMR) is a quantum mechanical magnetoresistance effect observed in multilayers composed of alternating ferromagnetic and non-magnetic conductive layers. The 2007 Nobel Prize in Physics was awarded to Albert Fert and Peter Grünberg for the discovery of GMR, which also sets the foundation for the study of …
Phys. Rev. B 102, 054406 (2020)
Nanomagnets with giant magnetic anisotropy energy and long coherence time are desired for various technological innovations such as quantum information procession and storage. Based on the first-principles calculations and model analyses, we demonstrate that a single uranium atom substituting Al on the …
Giant magnetic anisotropy of adatoms on the graphane surface
Remarkable magnetic anisotropy provides more possibilities in electronic devices such as quantum information storage and processing. Here, based on first …
A structural perspective on giant permittivity CaCu3Ti4O12: …
The magnetic structure is usually investigated using the neutron scattering [41] and the magnetic Raman spectroscopy [42]. Unpaired 3d electrons of Cu 2+ ions with spin up at the d xy orbital of Cu1 and spin down at the d zx orbital of Cu2, are located at (0.5, 0, 0.5) and (0, 0, 0.5) sites ( Fig. 1 b), respectively [ 41 ].
[2406.08251] Light-induced fictitious magnetic fields for quantum storage …
Light-induced fictitious magnetic fields for quantum storage in cold atomic ensembles. Jianmin Wang, Liang Dong, Xingchang Wang, Zihan Zhou, Ying Zuo, Georgios A. Siviloglou, J.F. Chen. In this work, we have demonstrated that optically generated fictitious magnetic fields can be utilized to extend the lifetime of quantum …