scispace - formally typeset
Search or ask a question

Answers from top 9 papers

More filters
Papers (9)Insight
Journal ArticleDOI
01 Jul 1956
16 Citations
Therefore, a definite need exists for a study of the process of flux reversal in these magnetic amplifier components.
These results successfully validate the proposed phase-reversal technique.
The time-reversal structure plays a crucial role in maximizing the compensation capability of the phase equalizer.
Moreover, successful time-reversal focusing using a single element instead of an array is possible, whereas a one-channel monochromatic phase conjugation fails.
We suggest that this effect correlates with the observed phase reversal in the exchange bias field.
It indicates that the crosstalk in the phase-sensitive FOPA is more detrimental so that careful design of the amplifier to suppress the impact of the FWM crosstalk is necessary.
Therefore, the author suggests that more experiments and theories for phase stability in reversal transformation should be performed.
These regularities would allow one to measure the CE phase.
Our theoretical framework leads to accurate predictions of the critical point and equation of state associated with the Ce – phase transition.

See what other people are reading

How does the magnetic properties of NiMnSn ribbons change with Fe doping?
5 answers
Fe doping in NiMnSn ribbons significantly alters their magnetic properties. The addition of iron leads to a decrease in the transformation temperature and enthalpy values, replacing the martensite phase with an austenite crystal structure. Fe doping in Ni-Mn-Ti-based alloys reduces hysteresis, improves mechanical properties, and affects phase stability and magnetic properties. In Ni50Mn36-xFexSn14 ribbons, replacing Mn with Fe reduces transformation temperatures and affects magnetic interactions, resulting in an inverse magnetocaloric effect. Fe doping in Fe-Ga ribbons changes the lattice matrix structure, decreases saturation magnetization, and enhances magnetostriction. Additionally, Fe film coating on Fe-Cu-Nb-Si-B amorphous ribbons increases impedance and improves GMI ratio at high frequencies. Overall, Fe doping influences the magnetic behavior of NiMnSn ribbons by altering phase stability, lattice structure, and magnetic interactions.
How does the magnetic properties of NiMnSn ribbons change with Co doping?
5 answers
The magnetic properties of NiMnSn ribbons undergo significant changes with Co doping. Co substitution for Ni in Mn50Ni41−xIn9Cox ribbons enhances ferromagnetic coupling, leading to an enlarged magnetization difference across the martensitic transformation and increased magnetic entropy change. Additionally, in Ni45Fe5-XCoXMn40Sn10 ribbons, Fe substitution by Co alters the magnetic behavior due to increased lattice strain and magnetic strain from a high antiferromagnetic fraction. Moreover, the magnetic properties of Ni48Co1.5Mn35Sn15.5−xSix alloys are influenced by Si substitution, affecting the martensitic transition temperature and hysteresis loss. These findings collectively demonstrate that Co doping plays a crucial role in modifying the magnetic characteristics of NiMnSn ribbons, impacting factors such as magnetization, magnetic entropy change, and magnetic behavior across structural transformations.
What is real and imaginary permeability in electromagnetics?
4 answers
Real and imaginary permeability are crucial parameters in electromagnetics. The real part of permeability represents the material's ability to store magnetic energy, while the imaginary part signifies the energy dissipation as heat. In the context of high-frequency magnetic materials, the real and imaginary permeability play a significant role in determining core loss characteristics and component sizing. Contrary to some conclusions, it is established that for linear, passive dielectric-magnetic materials, both the real and imaginary parts of permeability are always positive. Studies on ferrites have shown that the real part of permeability is frequency and field-dependent, while substitutions in crystal structures can modify the permeability spectrum predictably. Additionally, the frequency dependence of complex permeability in ferrites can be approximated by a first-order linear differential equation, providing insights into the behavior of these materials at different frequencies.
What's the latest research on Correlative Light and Electron Microscopy?
5 answers
Correlative Light and Electron Microscopy (CLEM) is an important technique for analyzing the structure and function of cells. Recent research has focused on the development of new probes and imaging methods for CLEM. One study demonstrated the use of gold nanoparticles as a single probe for CLEM, allowing for precise localization in both light and electron microscopy. Another study developed a CLEM protocol for yeast peroxisome research, enabling the localization of fluorescent proteins in electron microscopy images. Additionally, a study used four-wave-mixing microscopy to correlate gold nanoparticles with transmission electron microscopy images, offering a photostable alternative to fluorescence-based methods. These advancements in probes and imaging techniques highlight the ongoing progress in CLEM research.
What's the latest research on Correlative Light and Electron Microscopy published by nature?
5 answers
Correlative Light and Electron Microscopy (CLEM) is an important technique for analyzing the structure and function of cells. The latest research in this field includes the development of new probes for CLEM, such as small gold nanoparticles, which can be used as a single probe visible in both light and electron microscopy. These gold nanoparticles have been successfully used to locate specific proteins in human cancer cells with high accuracy and nanometric precision. Another recent study focused on the localization of fluorescent proteins in electron microscopy images using cryosections, allowing for precise localization of proteins at regions where membranes are closely associated. These advancements in CLEM techniques and probes offer new possibilities for studying cellular structures and dynamics with high resolution and accuracy.
What effects does the magnetic treatment of water have on boiling point?
4 answers
The magnetic treatment of water has been found to have an effect on the boiling point. Several studies have shown that the boiling point of water decreases after magnetization. The extent of this decrease depends on the magnetization effect and the strength of the magnetic field applied. It has been determined that the optimal magnetizing condition for achieving the desired decrease in boiling point is a magnetic field strength of 300 mT. The change in boiling point is attributed to the alteration of the physical properties of water caused by the magnetic field, such as the polarization of water molecules and the disruption of its spatial structure. Overall, magnetic treatment of water can lead to a decrease in boiling point, which may have implications for various industrial applications, such as improving cooling and power generation efficiency.
Double peaks in single position in race data snp
4 answers
Double peaks in a single position in race data SNP have been observed in weakly pinned single crystals of 2H-NbSe2, indicating the presence of a two-peak feature in the peak effect (PE) region. However, it is important to note that this observation is specific to the study of weakly pinned single crystals and may not be applicable to other race data SNP studies. Other abstracts do not provide information directly related to double peaks in a single position in race data SNP.
Why crystallite size increasing upon reduction in H2 compared to CO?
5 answers
The increase in crystallite size upon reduction in H2 compared to CO can be attributed to several factors. Firstly, in the presence of H2, the reduction reaction proceeds differently, leading to the formation of different phases and structures. The addition of H2 gas can improve the porosity of the material, which can result in larger crystallite sizes. Additionally, the reduction mechanism in H2 gas tends to proceed inside the particles, while in CO gas it mainly occurs near the surface. This difference in reduction behavior can affect the growth and aggregation of crystallites, leading to larger sizes in H2 gas. Furthermore, the incorporation of residual C atoms on the surface of oxide particles during reduction in H2 gas can also contribute to the larger crystallite sizes. Overall, these factors contribute to the observed increase in crystallite size upon reduction in H2 compared to CO.
Can the Zeeman effect occur due to internal magnetic moments in materials?
5 answers
Yes, the Zeeman effect can occur due to internal magnetic moments in materials. Non-centrosymmetric three-dimensional compounds can exhibit a Zeeman-type spin splitting, allowing for control of the splitting by changing the growth direction of slabs formed by these compounds. Additionally, centrosymmetric antiferromagnetic semiconductors can harness electronic spin via Zeeman spin splitting of electronic energy levels, which is controlled by an electric field. By symmetry analysis, it has been identified that 21 centrosymmetric magnetic point groups can accommodate such a spin Zeeman effect. Furthermore, it has been predicted that antiferromagnetic semiconductors Fe2TeO6 and SrFe2S2O can showcase Zeeman splittings induced by an electric field. These findings broaden the scope of application of centrosymmetric antiferromagnetic semiconductors and suggest the potential use of the Zeeman effect for spin-filtering devices.
What is the relationship between particle size and Curie temperature of MnFe2O4 spinel oxide?
5 answers
The relationship between particle size and Curie temperature of MnFe2O4 spinel oxide is dependent on the specific conditions and dopants used in the synthesis process. In general, as the particle size decreases, the Curie temperature tends to increase. However, this behavior can be influenced by the type and concentration of dopants. For example, Co, Mg, or Ni doping can lead to an increase in the Curie temperature with decreasing particle size, while La or Gd doping can have the opposite effect. It is important to note that the relationship between particle size and Curie temperature can also be affected by other factors such as lattice constant, crystal structure, and magnetic interactions. Therefore, a comprehensive understanding of the specific synthesis conditions and dopants is necessary to accurately determine the relationship between particle size and Curie temperature in MnFe2O4 spinel oxide.
How strain affect the magnism of two dimensional materials?
4 answers
Strain has a significant impact on the magnetism of two-dimensional (2D) materials. In the case of CrGeTe3, magneto-strain effects are observed across the ferromagnetic transition, leading to an isostructural transition and magnetocrystalline anisotropy. The in-plane lattice contraction increases the on-site Coulomb correlation between Cr atoms, resulting in band shifts, while the out-of-plane lattice contraction enhances the d-p hybridization between Cr-Ge and Cr-Te atoms, leading to band broadening and strong spin-orbit coupling in the ferromagnetic phase. Similarly, in monolayer 2H-TaSe2, mechanical strain can induce ferromagnetism under uniaxial, in-plane, tensile strain, and affect the Raman-active phonon modes. The response of 2D materials to non-uniform strain is also explored, with graphene exhibiting pseudo-magnetic fields and strain-related conversion of excitons to trions. Overall, strain provides a means to tune the magnetic and optical properties of 2D materials for various applications.