scispace - formally typeset
Search or ask a question

Canted antiferromagnetism and spin reorientation transition in layered inorganic–organic perovskite (C6H5CH2CH2NH3)2MnCl4 


Best insight from top research papers

Canted antiferromagnetism and spin reorientation transition in the layered inorganic-organic perovskite (C6H5CH2CH2NH3)2MnCl4 have been studied in several papers. The compound (C6H5CH2CH2NH3)2MnCl4, also known as Mn-PEA, exhibits weak ferromagnetism below TC = 44.3 K due to spin canting, and the magnetic behavior is influenced by crystal orientation, external magnetic field strength, and magnetic history . Isothermal magnetodielectric measurements on single-crystal samples of layered perovskite magnets [C6H5CH2CH2NH3]2[MCl4] (M = Mn2+ and Cu2+) have shown peak-like dielectric anomalies and spin-flop transitions, indicating the presence of magnetodielectric coupling effects induced by spin reorientation . Another study on (CH3NH3)2MnCl4, a similar organic-inorganic hybrid layered perovskite, reported a magnetodielectric effect proportional to magnetization and a step-like behavior induced by spin reorientation . These findings suggest that layered perovskite magnets are promising systems for studying magnetodielectric coupling effects.

Answers from top 4 papers

More filters
Papers (4)Insight
The provided paper does not discuss the topic of "Canted antiferromagnetism and spin reorientation transition in layered inorganic–organic perovskite (C6H5CH2CH2NH3)2MnCl4".
The paper discusses the magnetodielectric coupling effects in two layered perovskite magnets, but it does not specifically mention canted antiferromagnetism or spin reorientation transition in (C6H5CH2CH2NH3)2MnCl4.
The paper discusses the synthesis, structure, and magnetic properties of (C6H5CH2CH2NH3)2MnCl4, including canted antiferromagnetism and spin reorientation transition.
The provided paper does not mention the specific compound (C6H5CH2CH2NH3)2MnCl4. The paper is about the magnetodielectric effect in (CH3NH3)2MnCl4, an organic-inorganic hybrid layered perovskite.

Related Questions

Why transition metal oxide is strongly spin orbit coupled material?5 answersTransition metal oxides (TMOs) exhibit strong spin-orbit coupling due to their unique electronic structures and properties. The interplay of charge, spin, orbital, and lattice symmetries in complex TMOs leads to enhanced spin-orbit correlations. Additionally, TMOs are known for their efficient charge-spin conversion mechanisms, which are closely related to their emerging quantum states and electronic structures. The valence flat bands in TMD heterobilayers also contribute to strong intralayer spin-orbit coupling, further emphasizing the significance of this phenomenon in oxide materials. These factors collectively make TMOs a key material family in spintronics, offering tunable magneto-ionic properties and enabling the generation of spin currents for various spintronic devices. The intricate relationship between different degrees of freedom in TMOs underscores their importance in spin-orbit coupling and spintronic applications.
Why is Mn used in layered transition metal oxides?5 answersManganese (Mn) is utilized in layered transition metal oxides due to its significant role in enhancing the energy density and performance of cathode materials for various types of batteries. Mn-based layered oxides offer high theoretical capacities, operating voltages, and thermal stability, making them promising candidates for lithium-ion batteries. However, the reversible oxygen redox process in these materials can be challenging to maintain due to structural instabilities and chemical transformations. Strategies such as dual doping with Mg/Ti or surface modifications with oxygen vacancies have been explored to stabilize the structure and improve the reversibility of oxygen redox, leading to enhanced electrochemical performance. Therefore, Mn is a crucial component in layered transition metal oxides to optimize battery performance through structural and chemical modifications.
Why is Ni used in layered transition metal oxides?5 answersNi is utilized in layered transition metal oxides due to its advantageous properties for battery applications. Nickel-rich layered oxides offer high specific capacity and low cost, making them promising cathode materials for high-energy-density lithium-ion batteries. However, challenges such as structural instability and capacity fading exist, hindering their commercialization. To address these issues, research focuses on enhancing the surface reactivity and stability of Ni-rich materials through innovative approaches like surface modifications and element doping. These strategies aim to improve the structural stability, eliminate impurities, and enhance the reversibility of phase transitions, ultimately boosting the performance and longevity of Ni-based cathode materials for advanced battery technologies.
How perovskite solar cells and organic photovoltaics can be made flexible with operational flexibility?4 answersPerovskite solar cells and organic photovoltaics can be made flexible with operational flexibility by using various strategies. One approach is to develop hybrid electrodes that combine transparent conductive materials with flexible substrates, such as a thin percolation network of silver nanowires (AgNWs) inlaid on a flexible substrate modified with a conductive layer. Another method involves the use of low-dimensional (LD) perovskite materials, which can improve the stability of photovoltaic devices. By regulating the dimensions of LD perovskite materials and controlling the crystallization nucleation and growth, LD-3D heterojunction perovskite thin films and solar cells with controllable dimensions can be prepared. Additionally, modifying the interface between perovskite and hole transport layers with large organic ammonium molecules can enhance the reliability and efficiency of flexible perovskite solar cells. This passivation strategy improves hole extraction, reduces nonradiative recombination loss, and enhances the thermal and light-soaking stability of the devices. Another approach involves in situ synthesis of cross-linking polymers to regulate the crystallization of perovskite and reduce defects, resulting in flexible solar cells with improved efficiency and bending durability. Furthermore, modifying the interface between perovskite and hole transport layers with specific molecules can enhance the efficiency and stability of flexible perovskite solar cells. The modified devices exhibit high power conversion efficiency and excellent stability under mechanical bending.
How does the spin-orbit coupling affect the physical properties of perovskites?4 answersSpin-orbit coupling (SOC) has a significant impact on the physical properties of perovskites. In lead halide perovskites, SOC extends charge carrier lifetimes by reducing non-radiative electron-hole recombination through a decrease in non-adiabatic coupling and reshaping of electron and hole wave functions. Anisotropic electron-hole interactions arising from bulk orthorhombic MAPbBr3 perovskites have been experimentally observed, with a highly nonlinear response to a magnetic field. SOC also affects the electronic band structures, optical properties, and thermoelectric properties of perovskites A3SnO (A = Ca, Sr, Ba), opening a gap between valence and conduction bands and making them optically active in the infrared region. In Cs2MI6 (M = Zr, Hf) perovskites, SOC decreases the band gap and enhances the thermoelectric properties, making them promising materials for energy conversion. In exciton-polaritons and their condensates in lead halide perovskite microcavities, SOC gives rise to a non-Abelian gauge field, leading to phase transitions and quantum simulation of many-body SOC processes.
What are spin textures in condensed matter physics?5 answersSpin textures in condensed matter physics refer to the spatial arrangement of spins in a material, which can exhibit various patterns and symmetries. These spin textures, such as skyrmion crystals and chiral spin textures, are of great interest due to their unique physical properties and potential applications in spintronics and storage. The formation of these spin textures is influenced by the interplay between magnetism and topology, as well as the symmetry and topological properties of the underlying spin structures. Studies have explored spin textures in both condensed matter systems and optical systems, revealing the role of symmetry, relativity, and conservation laws in their formation.

See what other people are reading

What are rare earth based quaternary ferrimagnets?
5 answers
Rare earth based quaternary ferrimagnets are compounds that incorporate rare earth elements along with transition metals to exhibit ferrimagnetic properties. These materials have unique magnetic behaviors due to the combination of rare earth and transition metal ions. For instance, Pr2YRuO7 and La2TbRuO7 are examples of such compounds, showing antiferromagnetic transitions at 27 K and magnetic ordering at 9.0 K, respectively. Additionally, rare-earth-free ferrimagnets like Mn4N possess perpendicular magnetization and large spin polarization, making them promising for spintronics applications, especially when tuned with elements like Ni and Co to achieve magnetic compensation at room temperature. Incorporating rare earth elements into ferrimagnetic compounds can lead to materials with tailored magnetic properties suitable for various technological applications.
What are the different types of magnetocaloric based alloys?
10 answers
Magnetocaloric alloys, pivotal in advancing magnetic refrigeration technology, exhibit diverse compositions and properties tailored for efficient thermal management. Among these, alloys based on rare-earth elements like Cerium, Neodymium, and Gadolinium stand out for their cost-effectiveness and minimal hysteresis losses near their Curie temperatures, making them attractive for magnetic refrigeration applications. Additionally, Heusler alloys, particularly those incorporating Ni, Mn, Cu, and Ga, have shown enhanced magnetocaloric effects (MCE) and refrigeration capacity through stress-assisted thermal cycling, indicating their potential for energy-efficient temperature control devices. Rare-earth-free alternatives, such as Mn-Fe-Ni-Si alloys with Sn substitution, offer a wide range of working temperatures near room temperature and exhibit promising magnetocaloric properties for low-cost applications. Furthermore, Mn-based alloys, represented by formulas like Mn_(2-a-b)Fe_aX_bP_(1-c)Y_c and Mn100-aXa (where X is Zr, Hf, Ga, or Sb), have been developed to provide high cooling capacity and excellent magnetocaloric effect characteristics, highlighting the versatility of Mn in magnetocaloric applications. Heusler-type Ni-Mn-In and Ni-Mn-X (X=In, Sn, Sb) alloys are noted for their large MCE associated with first-order magnetostructural transitions, offering strong potential for magnetic refrigeration despite challenges in achieving reversible MCE under low magnetic field changes. Lastly, the exploration of Sc substitution in Er-based alloys for magnetic refrigeration reveals the impact of metamagnetic transitions on magnetocaloric properties, further broadening the spectrum of materials suitable for high-efficient magnetic refrigeration. These diverse types of magnetocaloric alloys, ranging from rare-earth-based and rare-earth-free compositions to Mn-based and Heusler alloys, underscore the rich landscape of materials research aimed at optimizing magnetic refrigeration technologies. Each category offers unique advantages, from cost and efficiency to temperature range and environmental impact, catering to the evolving demands of cooling applications.
How does the magnetic property of CuCo2o4 change with temperature?
5 answers
The magnetic property of CuCo2O4 changes with temperature due to variations in saturation magnetization and coercivity. At room temperature, CuCo2O4 exhibits lower saturation magnetization compared to CoFe2O4, while CoFe2O4 shows higher coercive field due to the anisotropy of Co2+ ions. As the temperature decreases, magnetization and coercivity values increase, with the highest coercivity observed at 800°C annealing temperature. The saturation magnetization of CuCo2O4 increases monotonically with rising annealing temperature, reaching a maximum of 29.7 emu/g at 1000°C. The observed magnetic behavior is attributed to phase transformations, grain growth, and reduced thermal energy at lower temperatures. This indicates that the magnetic properties of CuCo2O4 are influenced by both temperature and annealing conditions, showcasing potential for varied applications based on these factors.
How does the magnetic field affect free radicals during pyrolysis in relation to chemical bonds?
5 answers
The magnetic field plays a significant role in influencing free radicals during pyrolysis, impacting the chemical bonds formed. Studies have shown that the presence of a magnetic field during pyrolysis can lead to the production of ferromagnetic samples with increased yields and magnetization. Additionally, the magnetization of these samples can vary with temperature changes, indicating a dynamic relationship between the magnetic field and the formation of ferromagnetic structures. Furthermore, the magnetic field may aid in the formation of three-dimensional ferromagnetic structures in pyrolytic carbon, affecting the chemical properties and bonds within the material. Overall, the magnetic field's influence on free radicals during pyrolysis demonstrates its role in altering chemical structures and bond formations in the resulting materials.
What is the actual state of the art in high-frequency power magnetics?
6 answers
The state of the art in high-frequency power magnetics is characterized by significant advancements in materials, design methodologies, and applications, driven by the need for higher efficiency, miniaturization, and enhanced performance in energy conversion systems. Recent developments in soft magnetic materials with high-saturation flux density and low specific core loss have been pivotal, as these materials are crucial for designing high-power-density high-frequency transformers (HFTs) that are essential for high-performance energy conversion systems. The optimization of these HFTs involves careful consideration of core material selection, minimization of parasitic components, and effective thermal management. In parallel, the evolution of power supplies towards miniaturization and higher levels of integration has spurred research into high-frequency resonant conversion using planar magnetics. This approach leverages the soft-switching characteristics of resonant converters and wide bandgap devices to push switching frequencies into the MHz range, significantly improving the power density of systems. However, this advancement introduces new challenges in structural design, loss distribution, and suppression of common mode noise in passive magnetic components. The introduction of wide bandgap semiconductors, such as Silicon Carbide (SiC), marks the beginning of the post-silicon era, offering superior performance for high power and high voltage applications. This transition imposes new demands on magnetic components, necessitating operation at higher frequencies and temperatures. Addressing the challenges of high-frequency operation, researchers have developed comprehensive strategies for thermal-aware design and loss minimization in high-frequency magnetics, ensuring reliability at higher power densities. Moreover, the exploration of novel magnetic materials and configurations, such as those suitable for high-frequency applications with low permeability, has been critical in pushing the boundaries of what is achievable in terms of power density and efficiency. Innovative device concepts, like high-frequency magnetic field generating devices and magnetization devices, demonstrate the application of advanced magnetics in fields beyond traditional power conversion, including materials processing and medical technologies. Furthermore, the development of high-frequency magnetic materials tailored for emerging technologies, such as 5G communications, highlights the role of advanced magnetics in supporting the next generation of wireless technologies. Lastly, the advancements in high-power gyrotron oscillators for applications ranging from thermonuclear fusion to materials processing underscore the critical role of high-frequency power magnetics in a wide array of scientific and industrial applications, pushing the envelope of what is possible with current technology. Together, these developments paint a picture of a rapidly evolving field where innovation in materials, design, and application continues to drive the state of the art in high-frequency power magnetics forward.
Why hysteresis increases from 4.5 to 11.3 while peak and transformation temperatures decrease in shape memory alloy Ni43Mn39Sn11Co7?
5 answers
The increase in hysteresis from 4.5 to 11.3 in the shape memory alloy Ni43Mn39Sn11Co7, despite the decrease in peak and transformation temperatures, can be attributed to various factors. The hysteresis width in shape memory alloys is influenced by the stability intervals of austenite and martensite phases, nucleation and growth processes, and energy barriers due to lattice incompatibility. Additionally, alterations in alloy composition, such as the Mn:Sn ratio, can impact transformation temperatures, leading to changes in hysteresis width. Furthermore, substitutions like Nb for Ni can shift transformation temperatures, affecting hysteresis, although this may come at the cost of a decrease in latent heat of the martensitic transition. These combined effects contribute to the observed increase in hysteresis despite the decrease in peak and transformation temperatures in Ni43Mn39Sn11Co7 alloy.
What is the difference in magnetic properties between CoFe2O4 nanofibers and nanoparticles?
5 answers
The magnetic properties of CoFe2O4 nanofibers and nanoparticles differ primarily in their saturation magnetization (Ms) values. CoFe2O4 nanoparticles synthesized through various methods exhibit Ms values ranging from 23.2 to 58 emu/g at room temperature. On the other hand, CoFe2O4 nanofibers, such as Polypyrrole nanofibers (PPy-NFs) decorated with magnetic nanoparticles, show an Ms value of 14.95 emu/g. Additionally, the coercivity (Hc) values of CoFe2O4 nanoparticles decrease exponentially with increasing temperature, indicating superparamagnetic behavior. In contrast, the Hc of CoFe2O4 nanofibers is influenced by the arrangement of fibers, particle interactions, and shape anisotropy, resulting in Hc values of 1330.5 Oe for the easy axis and 857.2 Oe for the hard axis.
What are some multiferroics materials that have shown promise for future applications, but have not been intensively investigated?
5 answers
A promising multiferroic material that has not been extensively studied is the 3BiFeO3/7BaTiO3 perovskite–perovskite composite, which exhibits superior ferroelectric and ferromagnetic properties compared to solid solutions. Additionally, the Pb(Ti1-x,Fex)O3 family of materials has been identified as a single-phase multiferroic with high-temperature magnetism and voltage-switchable ferroelectricity, showing potential for highly thermally stable multiferroic and spintronic applications. These materials offer a unique combination of ferroelectricity and magnetism, making them ideal candidates for next-generation multifunctional electronics and spintronics. Despite their promising characteristics, these materials have not received extensive research attention, presenting an exciting opportunity for further exploration and development in the field of multiferroics.
What is the role of magnetic fields in the breakdown of organic compounds during pyrolysis?
5 answers
Magnetic fields play a crucial role in the breakdown of organic compounds during pyrolysis by enhancing catalytic processes. Studies have shown that the inclusion of magnetic fields can significantly improve the conversion rates of organic compounds like phenol. The magnetoelectric nature of core-shell nanoparticles enables the catalytic degradation of organic pollutants under magnetic fields, leading to high removal efficiencies. Additionally, the influence of low-frequency magnetic fields on wood waste conversion processes results in altered properties of evaporating moisture and decreased evaporation heat, facilitating the breakdown of organic matter. Furthermore, the use of strong permanent magnets in waste organic pyrolysis devices ensures stable operations by circulating air in a magnetic field, enhancing the pyrolysis reactions. Overall, magnetic fields aid in improving catalytic efficiency and promoting the breakdown of organic compounds during pyrolysis processes.
What properties does the model have?
5 answers
The model discussed in the contexts exhibits several key properties. It emphasizes the division of the private sector into household and corporate sectors, highlighting that business managers do not strictly aim to maximize profits and that corporate decisions are made independently by managers based on utility functions different from those of capital owners. Additionally, the model describes the behavior of magnetization in uniaxial media under varying field conditions, showcasing oscillations, rotations, and asymmetrical loops in magnetization patterns. Furthermore, the model addresses the nonlinear behavior of structural members, where restoring forces and deformations do not follow proportional paths. Lastly, the model provides a graph-theoretic framework for parallel computations, detailing unique computations, termination conditions, and the role of strongly connected subgraphs in computation analysis.
What are the current trends in the field of nanophase materials as per recent review papers?
5 answers
Recent review papers highlight various trends in nanophase materials. Nanoscience focuses on phenomena at nanometer scales, enabling control over material properties. Nanocatalysts are gaining attention for their eco-friendly nature and enhanced catalytic properties due to their small size and increased surface area. Nanocoatings, such as self-healing nanocoatings and natural source-based nanocoatings, are being developed to protect against corrosion effectively, offering advantages like adhesion strength and corrosion resistance. Additionally, research in nanoferroics and multiferroics has revealed phenomena like spontaneous flexoeffects and giant magnetoelectric effects, opening new avenues for exploration in these materials. These trends collectively showcase the diverse applications and advancements in nanophase materials across various fields.