curie temperature and energy storage

Strain-controllable high Curie temperature and magnetic

Two-dimensional (2D) ferromagnetic (FM) materials with big magnetic anisotropy energy (MAE) and high Curie temperature (T c) are highly desirable for magnetic storage devices. VXY (X, Y = S, Se and Te, X ≠ Y) monolayers exhibit exciting FM behavior, owing to the super-exchange interaction.

Advancements and challenges in BaTiO3-Based materials for

According to theoretical studies, it has been postulated that when the temperature exceeds the Curie temperature, a distinct peak in energy storage is

Effects of grain size and temperature on the energy storage and dielectric tunability of non-reducible

New energy resources, such as solar and wind energy, are generally limited by time or location, resulting in a demand for energy storage devices [1]. Dielectric capacitors are considered one of the most promising candidates for these energy-storage devices due to their advantages of high power density, numerous cycle times and fast

Temperature‐stable Na0.5Bi0.5TiO3‐based ceramics

A linear-like P–E loop with the large discharged energy density W D ∼ 3.50 J/cm 3 and high energy efficiency η ∼ 90.1% is obtained under 28 kV/mm at room temperature. The thermal stability of

Observation of relaxor ferroelectric behavior and energy storage

The energy storage density of 12.69 mJ/cm 3 with an energy efficiency (η) of 42.1% was obtained in the ceramic sample at applied electric field of 75 kV/cm and room temperature. These findings will provide an important contribution to further research to explore new Aurivillius compounds as potential energy storage materials.

(PDF) The Effect of Ba/Sr Ratio on the Curie Temperature for Ferroelectric Barium Strontium Titanate Ceramics

From dielectric measurements, it is clear that samples x=0.2, 0.3 have a Curie temperature of 70, 28. The energy storage efficiency decreased with Sr2+ substitution. For each composition, the

Monolayer and bilayer lanthanide compound Gd 2 C with large magnetic anisotropy energy and high Curie temperature

Comparing with transition metal compounds, lanthanide compounds hold promising potential as spintronic materials to generate large magnetic moments and strong magnetic anisotropic. By conducting in-depth theoretical calculations, we explored the electronic and magnetic properties of monolayer and bilayer Gd2C, the f-electron

Boosting the Curie temperature of GaN monolayer through van

Our findings show that a ferromagnetic ground state with a remarkable Curie temperature (477 K), much above room temperature, exists in GaN/VS 2 vdW heterostructure and 100% spin polarization efficiency. Additionally, GaN/VS 2 vdW heterostructure still maintains PMA under biaxial strain, which is indispensable for high

Engineering relaxors by entropy for high energy storage performance | Nature Energy

By the deliberate design of entropy, we therefore realize a higher energy density of 178.1 J cm −3 and an efficiency of 80.5% in relaxor ferroelectrics. Fig. 1: Enhancing the relaxor properties

Improved dielectric temperature stability and energy storage

Excellent dielectric temperature stability and energy storage properties with W rec of 4.03 J/cm 3 and η of 85.2 % under a medium electric field of 300 kV/cm were achieved in BNKMN-0.3SLT. 2 . Experimental procedure

Tunable magnetic anisotropy, Curie temperature and band

polarization) via 6electric field (magnetic field)-8, thereby revolutionizing the storage technology for electro-writing and magnetic-reading9, 10. This advancement leads to enhanced storage density and significantly reduced energy consumption. Consequently,

Crystallization temperature dependence of phase evolution and energy storage

Dense niobate glass ceramics with a principal crystalline phase of KSr2Nb5O15 were obtained via melt-quenching and controlled crystallization technique. The research results reveal that with the crystallization temperature increasing from 800 to 950 °C, the dielectric constant and crystal phase content raise simultaneously. The achieved

Lead-Free BiFeO3-BaTiO3 Ceramics with High Curie Temperature:

BiFeO 3-BaTiO 3 is a promising high-temperature piezoelectric ceramic that possesses both good electromechanical properties and a Curie temperature (T C). Here, the piezoelectric charge constants (d 33) and

, 。 , 。, ,。 10 -6 。。

Energy-storage properties and high-temperature dielectric

Download figure: Standard image High-resolution image Figure 2 shows the temperature dependence of dielectric permittivity ε γ and tanδ at various frequencies (0.1, 1, 10, 100 kHz). From figure 2, it can be seen that the temperature dependence of ε γ depicted typical relaxor behaviors with a strong dispersion of the ε γ peaks (100–400 K),

Investigation of structural phase transition, Curie temperature and

Thus, this work determines and confirms the structural phase transition and Curie temperature as well as energy storage density of the BaTiO 3-based lead

Advancing energy storage and supercapacitor applications

As temperature increases, the overall conductivity magnitude also rises up to a certain threshold, Curie temperature (Tc). Beyond the Curie temperature (Tc),

Structural, optical and electrical properties of barium titanate

One of them coincides with the Curie temperature, which is confirmed by dielectric measurements. Investigations on structure, ferroelectric, piezoelectric and energy storage properties of barium calcium titanate (BCT) ceramics J.

Improved energy storage performance of BST‒BNT ceramics via

Moreover, the addition of a linear dielectric decreased the Curie temperature and enhanced the breakdown strength of BST‒BNT ceramics. A high energy storage density of 2.2 J/cm 3 with a good storage efficiency of 73.2% was obtained in the 0.72(0.5(Ba 0.4 Sr

Curie Temperature: Exploring the Magnetic Transition Phenomenon

For instance, in the manufacturing of electrical transformers, it is crucial to use steel with a Curie temperature below the operating temperature to prevent energy losses due to magnetic hysteresis. Additionally, the Curie temperature of steel can affect its magnetic permeability, which is important in industries such as electronics and

Bi0.5Na0.5TiO3-based energy storage ceramics with excellent

Temperature stability of energy storage performance is essential for dielectric capacitors in practical applications, which ensures them working over a wide temperature range. As shown in Fig. 7 a, the x =0.3 ceramic always exhibits very slim P-E loops with nearly unchanged P max by increasing the temperature from 20 to 180 °C

Phase structure and energy storage performance for BiFeO3–BaTiO3 based lead-free ferroelectric ceramics

Unipolar P-E hysteresis loops measured at 1 Hz in the temperature range between 30 and 120 C (a), temperature stability of normalized energy storage density W (T) /W (30 o C) and energy storage efficiency η

High temperature energy storage properties of Bi0.5Na0.5TiO3

Among these capacitive dielectric materials, Bi 0.5 Na 0.5 TiO 3 has attracted many researchers'' attentions because of its high polarization intensity (P max ~ 45 μC/cm 2) and high Curie temperatures (T c ~ 320 C). However, its energy storage properties areP r

Dielectric, piezoelectric and energy storage properties of large

Additionally, at room temperature, the x = 0.26 sample had the maximum energy storage efficiency (η = 86.57%). The Curie temperature for the composition × =

Control of the magnetic anisotropy and Curie temperature of monolayer 1T-CrTe2 for room temperature

Magnetic units with large magnetic anisotropy energy (MAE) and high Curie temperature (Tc) are crucial for spintronic and quantum computing devices, which are a Magnetic units with large magnetic anisotropy energy (MAE) and high Curie temperature (T c) are crucial for spintronic and quantum computing devices, which are a

Microstructure, dielectric, and energy storage properties of

Curie temperature is 116 C. Dielectric constant and dielectric loss at room temperature and 1 kHz are 2332 and 0.01, respectively. The sample exhibits excellent energy storage performance with high breakdown strength of 90 kV/cm, high energy storage J/cm 3

Tuning ferroelectric phase transition temperature by enantiomer

Abstract. Tuning phase transition temperature is one of the central issues in phase transition materials. Herein, we report a case study of using enantiomer

Enhanced high-temperature energy storage properties in BNT

Based on the philosophy of increasing the Curie temperature and decreasing the dielectric loss at high temperature, a ceramic system of (1-x)Bi 0.5 Na 0.5 TiO 3-xBi(Mg 0.3 Zr 0.6)O 3 ((1-x)BNT-xBMZ) is designed to improve the high-temperature energy storage

Enhanced energy-storage performance in BNT-based lead-free

Developing energy storage devices has received worldwide concern for collecting and storing the electrical energy generated from solar, wind, or geothermal energy [1, 2]. Among all types of energy storage devices explored to date, electrostatic capacitors have several key advantages, such as fast charge/discharge rate, high power

Temperature and size dependence of energy barrier for

Moreover, the energy barrier curves cross the Curie temperature. After the crossing point, the energy barrier of the larger nanoparticle size decreased faster. This originates from the finite-size effect of the magnetization of nanoparticles, where the magnetization of small nanoparticles is higher than that of large nanoparticles above the

Microstructure, dielectric, and energy storage properties of BaTiO3

Curie temperature is 116 C. Dielectric constant and dielectric loss at room temperature and 1 kHz are 2332 and 0.01, respectively. The sample exhibits excellent

Temperature-dependent broadband dielectric and ferroelectric properties of Ba(1−x)SrxTiO3 ceramics for energy storage

In the recent past, high energy storage and fast discharge capacitors have attracted considerable attention among the scientific community. In this context, a series of lead-free barium titanate-based ceramics with composition Ba(1−x)SrxTiO3 (x = 0.00–0.50) are synthesized using a solid-state reaction method to study their storage

A high-temperature double perovskite molecule-based antiferroelectric with excellent anti-breakdown capacity for energy storage

The typical double P-E hysteresis loops and J-E curves reveal its concrete high-temperature AFE behaviors, giving large polarizations of ~4.2 μC/cm2 and a high Curie temperature of 378 K.

Investigation of structural phase transition, Curie temperature and energy storage

Three different measurement methods to determine the structural phase transitions and Curie temperature of Ba0.97Ca0.03Ti1−xSnxO3 (BCTS, x = 0.025, and 0.035 mol). electroceramics are discussed. At room temperature, both compositions reveal the tetragonal perovskite lattice symmetry as evidenced by X-ray diffraction,

[Bi3+/Zr4+] induced ferroelectric to relaxor phase transition of BaTiO3 ceramic for significant enhancement of energy storage

The low breakdown strength and recoverable energy storage density of pure BaTiO3 (BT) dielectric ceramics limits the increase in energy-storage density. This study presents an innovative strategy to improve the energy storage properties of BT by the addition of Bi2O3 and ZrO2. The effect of Bi, Mg and Zr ions (reviate BMZ) on the

Achieving high pulse charge–discharge energy storage properties and temperature

A novel dual priority strategy of strengthening charge compensation in A-site of perovskite structure and widening bandgap width was designed to prepare (Ba 0.98-x Li 0.02 La x)(Mg 0.04 Ti 0.96)O 3 (BLLMTx) ceramics, which can solve the conflict between polarization and breakdown strength, and improve the pulse energy storage

Antiferroelectric ceramic capacitors with high energy-storage densities and reduced sintering temperature

Surprisingly, the doped ceramics increased E FE-AFE by half, DBDS by 16 %, and maintained energy storage efficiency η of over 85 %, providing a way to improve energy storage density. It is worth mentioning that while the performance has been improved, the sintering temperature has been reduced by 170 °C.

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