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Journal articles on the topic 'Magnetization'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Bolletta, Juan P., François Fauth, Christine Martin, and Antoine Maignan. "Magnetization reversal tuning in honeycomb ferrimagnet Ni₄Nb₂O₉." Journal of Applied Physics 132, no. 15 (2022): 153901. http://dx.doi.org/10.1063/5.0107661.

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Ni4Nb2O9 displays magnetization reversal, a particular behavior in which magnetization opposes an applied magnetic field. Previous studies have shown that this is caused by the antiferromagnetic coupling of two different layers of ferromagnetic Ni cations. In this work, magnetization reversal is controlled by the substitution of Ni by non-magnetic Zn. Ni4− xZn xNb2O9 materials with x = 0.25, 0.50, and 0.75 maintain the orthorhombic Ni4Nb2O9-type structure but display counterintuitive changes in the magnetic properties including increases in low-temperature net magnetizations, remnant magnetiza

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2

Tajik, F., N. Allameh, A. A. Masoudi, and G. Palasantzas. "Nonlinear actuation of micromechanical Casimir oscillators with topological insulator materials toward chaotic motion: Sensitivity on magnetization and dielectric properties." Chaos: An Interdisciplinary Journal of Nonlinear Science 32, no. 9 (2022): 093149. http://dx.doi.org/10.1063/5.0100542.

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We have investigated the dynamical actuation of micro-electromechanical systems under the influence of attractive and repulsive Casimir forces between topological insulator plates as a function of their dielectric function and coating magnetization. The analysis of the Casimir force in the limit of strong and weak magnetization shows that the attractive force, which is produced for plate magnetizations in the same direction, is greater than the repulsive force that is produced for opposite magnetizations. However, both forces remain comparable for intermediate magnetizations. Moreover, for wea

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3

Chen, Hui, Guo Ying Zhang, Dan Yang, Yi Feng Duan, and Hai Shun Liu. "A Study on Step-Like Magnetization Curves in Tb₃Ga₅O₁₂ at Low Temperature." Advanced Materials Research 415-417 (December 2011): 1315–18. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.1315.

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The low temperature magnetizations of TbGG have been systematically investigated from the average effect of the nonequivalent crystal sites. Our calculated results show that the different nonequivalent crystal sites have the different contributions to the magnetization. The step-like appearance of the low temperature magnetization curves in TbGG originates from the average effect of the magnetizations of six nonequivalent crystal sites, not from the near-crossing of the lowest energy levels of Tb3+ions.

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4

Бахметьев, М. В., М. В. Бурканов, Р. А. Валеев, В. П. Пискорский та Р. Б. Моргунов. "Переориентация намагниченности гетероструктур GdFeCo/Ir/GdFeCo при критических температурах". Физика твердого тела 65, № 5 (2023): 790. http://dx.doi.org/10.21883/ftt.2023.05.55496.26.

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In GdFeCo/Ir/GdFeCo heterostructures with amorphous GdFeCo layers, three critical points were found in the temperature dependences of the magnetization. In the neighborhood of 100 K, the temperature of compensation for the magnetizations of the Gd and FeCo sublattices is observed, which is found in the form of a magnetization minimum and does not depend on the magnetic field. As the temperature decreases, a sharp stepwise transition is observed, which corresponds to the switching of the mutual magnetization’s orientation of the GdFeCo layers between their parallel and antiparallel configuratio

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5

Sakai, Tôru, Hiroki Nakano, Rito Furuchi, and Kiyomi Okamoto. "Field-Induced Quantum Spin Nematic Liquid Phase in the S=1 Antiferromagnetic Heisenberg Chain with Additional Interactions." Journal of Physics: Conference Series 2164, no. 1 (2022): 012030. http://dx.doi.org/10.1088/1742-6596/2164/1/012030.

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Abstract The magnetization process of the S = 1 antiferromagnetic chain with the single-ion anisotropy D and the biquadratic interaction is investigated using the numerical diagonalization. Both interactions stabilize the 2-magnon Tomonaga-Luttinger liquid (TLL) phase in the magnetization process. Based on several excitation gaps calculated by the numerical diagonalization, some phase diagrams of the magnetization process are presented. These phase diagrams reveal that the spin nematic dominant TLL phase appears at higher magnetizations for sufficiently large negative D.

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Bakhmetiev M. V., Burkanov M.V., Valeev R.A., Piskorskii V.P., and Morgunov R.B. "Magnetization reorientation of GdFeCo/Ir/GdFeCo heterostructures at critical temperatures." Physics of the Solid State 65, no. 5 (2023): 759. http://dx.doi.org/10.21883/pss.2023.05.56047.26.

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In GdFeCo/Ir/GdFeCo heterostructures with amorphous GdFeCo layers, three critical points were found in the temperature dependences of the magnetization. In the neighborhood of 100 K, the temperature of compensation for the magnetizations of the Gd and FeCo sublattices is observed, which is found in the form of a magnetization minimum and does not depend on the magnetic field. As the temperature decreases, a sharp stepwise transition is observed, which corresponds to the switching of the mutual magnetization's orientation of the GdFeCo layers between their parallel and antiparallel configuratio

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7

Baratchart, Laurent, Cristóbal Villalobos Guillén, and Douglas P. Hardin. "Inverse potential problems in divergence form for measures in the plane." ESAIM: Control, Optimisation and Calculus of Variations 27 (2021): 87. http://dx.doi.org/10.1051/cocv/2021082.

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We study inverse potential problems with source term the divergence of some unknown (ℝ3-valued) measure supported in a plane; e.g., inverse magnetization problems for thin plates. We investigate methods for recovering a magnetization μ by penalizing the measure-theoretic total variation norm ∥μ∥TV , and appealing to the decomposition of divergence-free measures in the plane as superpositions of unit tangent vector fields on rectifiable Jordan curves. In particular, we prove for magnetizations supported in a plane that TV -regularization schemes always have a unique minimizer, even in the prese

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8

Kotzer, T. G., T. K. Kyser, and E. Irving. "Paleomagnetism and the evolution of fluids in the Proterozoic Athabasca Basin, northern Saskatchewan, Canada." Canadian Journal of Earth Sciences 29, no. 7 (1992): 1474–91. http://dx.doi.org/10.1139/e92-118.

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In the Athabasca Basin, diagenetic hematite of variable paragenesis occurs throughout the sandstones and underlying paleoregolith. This hematite carries three distinct, single-component magnetizations: A (D = 158°, I = 62°, α95 = 5°, n = 21); B (D = 11°, I = −36°, α95 = 7°, n = 6); and C (D = 18°, I = 79°, α95 = 3°, n = 27). In some areas of the sandstones, such as near reactivated fault zones, the diagenetic hematite has been altered to goethite which yields a very low-intensity, incoherent D magnetization. Ages for the A, B, and C magnetizations, inferred from comparisons with paleomagnetic

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9

Mahdiuon-Rad, S., S. R. Mousavi-Aghdam, M. Reza Feyzi, and M. B. B. Sharifian. "Analysis of PM Magnetization Field Effects on the Unbalanced Magnetic Forces due to Rotor Eccentricity in BLDC Motors." Engineering, Technology & Applied Science Research 3, no. 4 (2013): 461–66. http://dx.doi.org/10.48084/etasr.296.

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This paper investigates both static and dynamic eccentricities in single phase brushless DC (BLDC) motors and analyzes the effect of the PM magnetization field on unbalanced magnetic forces acting on the rotor. Three common types of PM magnetization field patterns including radial, parallel and sinusoidal magnetizations are considered. In both static and dynamic eccentricities, harmonic components of the unbalanced magnetic forces on the rotor are extracted and analyzed. Based on simulation results, the magnetization fields that produce the lowest and highest unbalanced magnetic forces are det

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10

Jaime, Urrutia-Fucugauchi, Pascual-Soto Arturo, Flores-Gutiérrez Daniel, and Pérez-Cruz Ligia. "Archaeomagnetic Study of the Edificio de las Columnas Complex, El Tajin, Mesoamerica." Arqueologia Iberoamericana 36 (November 24, 2017): 54–59. https://doi.org/10.5281/zenodo.1478272.

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We report the initial results of an archaeomagnetic study on ceramic samples from the Edificio de las Columnas architectonic complex, located in the northern sector of El Tajin, an archaeological site. Measurements of magnetic properties include low-field susceptibility, direction and intensity of natural remanent magnetization, magnetic hysteresis, temperature-dependent susceptibility, isothermal remanent magnetization (IRM) acquisition curves and back-field demagnetization of saturation IRM. We studied the vectorial composition and stability of remanent magnetization using alternating field

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11

Pedersen, L. B. "Relations between potential fields and some equivalent sources." GEOPHYSICS 56, no. 7 (1991): 961–71. http://dx.doi.org/10.1190/1.1443129.

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The concept of equivalent sources is described from first principles. Two types of sources that produce the same magnetic field are studied in detail: thin sheets and uniaxially magnetized half‐spaces. Simple analytic solutions show that their magnetization variations are essentially given by the pseudogravity field and the magnetic field, respectively. While the former varies slowly to account for the slow variation in the vertically integrated magnetization, the latter varies rapidly to account for the spatial variation in rock magnetization close to the observation points. An extension of t

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12

Marenkin, S. F., V. M. Novotortsev, I. V. Fedorchenko, et al. "Novel Ferromagnetic Mn-Doped ZnSiAs₂ Chalcopyrite with Curie Point Exceeded Room Temperature." Solid State Phenomena 152-153 (April 2009): 311–14. http://dx.doi.org/10.4028/www.scientific.net/ssp.152-153.311.

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Based on Mn-doped chalcopyrite ZnSiAs2 the new dilute magnetic semiconductor with p-type conductivity was produced. The Curie temperature behavior of the produced semiconductor is distinctly dependent on the Mn concentration: 325 K for 1 wt.% and 337 K for 2 wt.% of Mn, consequently. Magnetization, electrical resistance, magnetic resistance and Hall effect of mentioned compositions were studied. Temperature dependence of magnetization M(T) have complicate behavior. For T  15 K the M(T) dependence is characteristic for superparamagnetic and at T > 15 K magnetization is sum of magnetizations

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13

Коплак, O. В., Е. В. Дворецкая, А. Д. Таланцев та ін. "Ориентационная зависимость магнитного момента микропроводов alpha-Fe(PrDy)(CoFeB)". Физика твердого тела 62, № 4 (2020): 562. http://dx.doi.org/10.21883/ftt.2020.04.49121.649.

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The anisotropy of magnetization of α-Fe/(PrDy)(FeCo) core-shell microwires was studied at 300 K. The magnetization component of the α-Fe core directed along microwire axis and non-collinearly directed component of the microwire shell with correspondent saturation fields~ 100 Oe and > 10 kOe were separated. The directions of magnetizations of the shell and core of the microwire are differ by 170 grad.

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14

Zhou, Qiong, Yin Chun Hu, Yu Liang Ma, and Yong Ji Weng. "The Influence of Water Content on the Morphology and Magnetic Properties of Nickel Nanoparticles Prepared in Reverse Microemulsion." Advanced Materials Research 287-290 (July 2011): 494–98. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.494.

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Magnetic nickel nanoparticles are prepared by NaBH4reducing agent in AOT reverse microemulsion, the influence of water content on the morphology and magnetic properties of nickel nanoparticles are investigated by TEM study, size distribution, XRD characterization and magnetization curves. The results show that spherical and polydispered particles are obtained in microemulsion. The dimension and polydispersity of particles increased with the increasing of water content. Magnetization curves clearly indicate a ferromagnetic behavior with high coercivity values. At water content of W0=41.7, the p

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15

KIM, SOO KYUNG, DONGSHENG LI, MOE A. KHALEEL, KIM F. FERRIS, and HAMID GARMESTANI. "THERMOMAGNETIC PROPERTIES OF RARE-EARTH REPLACEMENT CRITICAL MAGNETIC MATERIALS FROM DFT CALCULATION: MnBi AND MnSb." International Journal of Computational Materials Science and Engineering 01, no. 04 (2012): 1250036. http://dx.doi.org/10.1142/s2047684112500364.

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MnBi has gained much attention as a replacement for critical rare earth magnetic material not only due to its strong magnetization and coercive power, but also because of its capability to retain magnetization at elevated temperatures while most other compounds decline. To investigate the origin of this temperature dependence, we have performed a series of first principles electronic structure calculations on the thermomagnetic properties of MnBi and compared it with MnSb , another ferromagnetic material with a strong magnetic energy product, same crystal structure at room temperature and simi

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16

Vlasov, V. S., V. G. Shavrov, and V. I. Shcheglov. "Orientational Transition of Magnetization Under Conditions." Радиотехника и электроника 68, no. 1 (2023): 69–74. http://dx.doi.org/10.31857/s0033849423010138.

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The effect of high-order uniaxial anisotropy on the nature of orientational transition of magnetizationis considered. In the geometry of normal magnetization of the medium with respect to the anisotropy axis, the energy density and the equilibrium position of magnetization are obtained depending on the magnitude of the applied field. The orientation of magnetization is considered for anisotropy from the second to the eighth even orders only. As an example, the simultaneous presence of anisotropy of the second and fourthorders is considered. For this case, an algebraic equation of the third deg

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17

Shi, Xiaoqing, Hua Geng, and Shuang Liu. "Magnetization Vector Inversion Based on Amplitude and Gradient Constraints." Remote Sensing 14, no. 21 (2022): 5497. http://dx.doi.org/10.3390/rs14215497.

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Magnetization vector inversion has been developed since it can increase inversion accuracy due to the unknown magnetization direction caused by remanence. However, the three components of total magnetizations vector are simultaneously inverted and then synthesized into the magnetization magnitude and direction, which increases the inherent non-uniqueness of the inversion. The positions of the three components of the magnetization vector are originally consistent. If there is a lack of constraints between them during the inversion process, they may be misaligned, resulting in a large deviation

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18

Silva, João B., Suzan S. Vasconcelos, and Valeria C. Barbosa. "Apparent-magnetization mapping using entropic regularization." GEOPHYSICS 75, no. 2 (2010): L39—L50. http://dx.doi.org/10.1190/1.3358160.

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A new apparent-magnetization mapping method on the horizontal plane combines minimization of first-order entropy with maximization of zeroth-order entropy of the estimated magnetization. The interpretation model is a grid of vertical, juxtaposed prisms in both horizontal directions. To estimate the magnetization of the prisms, assume that the top and bottom of the magnetic sources are horizontal. Minimization of the first-order entropy favors solutions with sharp borders, and the maximization of zeroth-order entropy prevents the tendency of the estimated source to become a single prism with la

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19

ZHANG, L., G. LIU, X. LENG, et al. "MAGNETIZATION OF Ag-Y1.8Ba2.4Cu3.4O7-x." International Journal of Modern Physics B 19, no. 01n03 (2005): 311–13. http://dx.doi.org/10.1142/s0217979205028475.

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Three MTG Ag-Y1.8Ba2.4Cu3.4O7-x samples were fabricated to study the effect of doping Ag on magnetization. Magnetizations measured at various temperatures and fields show two peaks for all samples: the first peak in low field and second peak in middle field. We examined the effect of doping Ag and temperature on these peaks and discussed the origin of the peaks.

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20

Morris, W. A. "Paleomagnetism of Carboniferous strata from the Stellarton Gap." Canadian Journal of Earth Sciences 39, no. 10 (2002): 1527–40. http://dx.doi.org/10.1139/e02-055.

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Deposition of Carboniferous sediments within the Stellarton Graben of Nova Scotia was controlled by displacements on the bounding Hollow and Cobequid fault systems. Periods of both normal and transcurrent faulting have occurred on both faults. As a result, models for the development of the Stellarton Basin have included a pull-apart basin and a thermal subsidence basin. Paleomagnetic study of stratigraphic sequences from within the graben showed evidence for three separate periods of remanence acquisition (ST3 ST2 ST1). Ordering the acquisition sequence for these three magnetizations is ma

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Nell, Martin Marco, Benedikt Schauerte, Tim Brimmers, and Kay Hameyer. "Simulation of iron losses in induction machines using an iron loss model for rotating magnetization loci in no electrical steel." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 41, no. 2 (2022): 600–614. http://dx.doi.org/10.1108/compel-06-2021-0220.

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Purpose Various iron loss models can be used for the simulation of electrical machines. In particular, the effect of rotating magnetic flux density at certain geometric locations in a machine is often neglected by conventional iron loss models. The purpose of this paper is to compare the adapted IEM loss model for rotational magnetization that is developed within the context of this work with other existing models in the framework of a finite element simulation of an exemplary induction machine. Design/methodology/approach In this paper, an adapted IEM loss model for rotational magnetization,

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Pedersen, Laust B., and Mehrdad Bastani. "Estimating rock-vector magnetization from coincident measurements of magnetic field and gravity gradient tensor." GEOPHYSICS 81, no. 3 (2016): B55—B64. http://dx.doi.org/10.1190/geo2015-0100.1.

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Poisson’s theorem relating components of the magnetic field to components of the gradient of the gravity vector assuming a common source has been cast into a general form. A given magnetization distribution in the terrain or in the underlying crust is propagated into the corresponding magnetic field through the gravity gradient tensor. Conversely, measured magnetic field anomalies and measured gravity gradient tensor anomalies can be used to estimate the unknown magnetization vectors without knowledge of the geometry of the sources. We have tested the method on recently acquired data over a gr

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23

Stauffer, D. "Monte Carlo Investigation of Rare Magnetization Fluctuations in Ising Models." International Journal of Modern Physics C 09, no. 04 (1998): 625–31. http://dx.doi.org/10.1142/s0129183198000510.

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For square and simple cubic Ising models at T=Tc, we look at the tails of the magnetization distribution for untypically large magnetizations. No indications for a stretched exponential or power law behavior are found.

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Chatterjee, Subham, S. Giri, S. K. De, and S. Majumdar. "Magnetic Investigations on Ni-Mn-Sn Ferromagnetic Shape Memory Alloy." Advanced Materials Research 52 (June 2008): 215–20. http://dx.doi.org/10.4028/www.scientific.net/amr.52.215.

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Ferromagnetic shape memory alloy of nominal composition Ni50Mn35Sn15 has been investigated by magnetic and transport measurements. Clear signature of first order martensitic transition is observed over a region around 180 K in resistivity, dc magnetization and ac susceptibility data. Field-cooled and zero-field-cooled magnetizations diverge below the martensitic transition, signifying magneto-thermal irreversibility originating from pinning by variants. The sample shows large negative magneto-resistance (-25% at 90 kOe) in the region of martensitic transition, which was found to be highly irre

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Rivkin, Kirill, and Michael Montemorra. "Spin wave computing using pre-recorded magnetization patterns." Journal of Applied Physics 132, no. 15 (2022): 153902. http://dx.doi.org/10.1063/5.0096192.

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We propose a novel type of spin wave computing device, based on a bilayer structure that includes a “bias layer” made from a hard magnetic material and a “propagation layer” made from a magnetic material with low damping, for example, yttrium garnet or permalloy. The bias layer maintains a stable pre-recorded magnetization pattern, which generates a bias field with a desired spatial dependence, which in turn sets the equilibrium magnetization inside the propagation layer. When an external source applies an RF field to the propagation layer, excited spin waves scatter on the magnetization's inh

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Silveyra, Josefina María, and Juan Manuel Conde Garrido. "On the anhysteretic magnetization of soft magnetic materials." AIP Advances 12, no. 3 (2022): 035019. http://dx.doi.org/10.1063/9.0000328.

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Electrical steels are still the materials of choice for large-scale transformers and most electric motors. Yet, they may present a nonhomogeneous magnetic nature which prevents describing accurately their anhysteretic magnetization with the Langevin-Weiss model. Although interpolation and extrapolation methods may be used to model any anhysteretic curve, a simple and physically-based model would be of great value for fundamental and applied research. Inspired in the law of partial volumes for gas mixtures, we proposed a law of partial magnetizations for magnetic mixtures. In a two-component sy

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Koehler, G., T. K. Kyser, R. Enkin, and E. Irving. "Paleomagnetic and isotopic evidence for the diagenesis and alteration of evaporites in the Paleozoic Elk Point Basin, Saskatchewan, Canada." Canadian Journal of Earth Sciences 34, no. 12 (1997): 1619–29. http://dx.doi.org/10.1139/e17-130.

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In the Paleozoic Elk Point Basin, Saskatchewan, Canada, hematite in evaporite rocks of the Middle Devonian Prairie Formation records two magnetizations that are very different from those expected when the evaporites were originally deposited. The first (X magnetization) corresponds to Cretaceous or Cenozoic paleofield directions and contains both normal and reversed polarities. The second (Y magnetization) appears to be a composite of Cretaceous–Cenozoic and late Paleozoic (Kiaman) reversed polarity directions. The X magnetization occurs in anomalous ores and is associated with fine-grained he

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Arun, R., R. Gopal, V. K. Chandrasekar, and M. Lakshmanan. "Effect of interlayer exchange coupling in spin-torque nano oscillator." Journal of Applied Physics 132, no. 9 (2022): 094301. http://dx.doi.org/10.1063/5.0095705.

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The dynamics of the magnetization of the free layer in a spin-torque nano oscillator (STNO) influenced by a noncollinear alignment between the magnetizations of the free and pinned layers due to an interlayer exchange coupling has been investigated theoretically. The orientations of the magnetization of the free layer with that of the pinned layer have been computed through the macrospin model and they are found to match well with experimental results. The bilinear and biquadratic coupling strengths make the current to switch the magnetization between two states or oscillate steadily. The expr

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Pilkington, Mark, and Majid Beiki. "Mitigating remanent magnetization effects in magnetic data using the normalized source strength." GEOPHYSICS 78, no. 3 (2013): J25—J32. http://dx.doi.org/10.1190/geo2012-0225.1.

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We have developed an approach for the interpretation of magnetic field data that can be used when measured anomalies are affected by significant remanent magnetization components. The method deals with remanent effects by using the normalized source strength (NSS), a quantity calculated from the eigenvectors of the magnetic gradient tensor. The NSS is minimally affected by the direction of remanent magnetization present and compares well with other transformations of the magnetic field that are used for the same purpose. It therefore offers a way of inverting magnetic data containing the effec

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Kharel, Parashu, Bhubnesh Lama, Matthew Flesche, et al. "Modifying magnetic properties of MnBi with carbon: an experimental and theoretical study." Journal of Physics D: Applied Physics 55, no. 26 (2022): 265003. http://dx.doi.org/10.1088/1361-6463/ac5fd2.

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Abstract MnBi and MnBi-based materials have been investigated as prospective rare-earth-free permanent magnets with moderate energy product. One of the main issues with MnBi synthesis is the presence of residual Bi in the sample which reduces the net magnetization. We have found that MnBi synthesized in the presence of carbon substantially reduces the amount of residual Bi, improving its saturation magnetization. We have synthesized Mn55Bi45 and Mn55Bi45C x samples using arc melting and high-vacuum annealing. The room temperature x-ray diffraction patterns indicate that both Mn55Bi45 and Mn55B

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Talantsev, Artem D., Ekaterina I. Kunitsyna, and Roman B. Morgunov. "The effect of Dzyaloshinskii–Moriya interaction on direct and backward transition between magnetic states of Pt/Co/Ir/Co/Pr synthetic ferrimagnet." Image Journal of Advanced Materials and Technologies 6, no. 3 (2021): 167–78. http://dx.doi.org/10.17277/jamt.2021.03.pp.167-178.

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In this paper, we present the study of domain structure accompanying interstate transitions in Pt/Co/Ir/Co/Pr synthetic ferrimagnet (SF) of 1.1 nm thick and 0.6 – 1.0 nm thin ferromagnetic Co layers. Variation in the thickness of the thin layer causes noticeable changes in the domain structure and mechanism of magnetization reversal revealed by MOKE (Magneto-Optical Kerr Effect) technique. Magnetization reversal includes coherent rotation of magnetization of the ferromagnetic layers, generation of magnetic nuclei, spreading of domain walls (DW), and development of areas similar with strip doma

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Прудников, В. В., П. В. Прудников та П. Н. Маляренко. "Монте-Карло-исследование влияния начальных состояний и дефектов структуры на неравновесное критическое поведение трехмерной модели Изинга". Физика твердого тела 60, № 6 (2018): 1086. http://dx.doi.org/10.21883/ftt.2018.06.45981.05m.

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AbstractThe effect of various initial magnetizations m _0 and structural defects the nonequilibrium critical behavior of the three-dimensional Ising model is numerically studied. Based on an analysis of the time dependence of the magnetization and the two-time dependence of the autocorrelation function and dynamic susceptibility, the significant effect of initial states on relaxation magnetizations and aging effects characterized by anomalous relaxation inhibition and correlation in the system with increasing waiting time was revealed. The fluctuation–dissipation theorem violation was studied,

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Sahu, Sivabrata, Himanshu Sekhar Gouda, and G. C. Rout. "Effect of impurity doping on AFM magnetization in graphene: A tight-binding model approach." International Journal of Computational Materials Science and Engineering 06, no. 04 (2017): 1850001. http://dx.doi.org/10.1142/s204768411850001x.

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We report here a tight-binding theoretical study of anti-ferromagnetism in graphene taking electron hopping up to third nearest neighbors. The graphene on substrate introduces inequivalence in the two sublattices of the honeycomb lattice. The on-site Coulomb interactions at two sublattices of graphene are treated within mean-field approximation and the electron occupancies at two sublattices include spin moments in opposite directions giving rise to anti-ferromagnetism in graphene. The AFM sublattice magnetizations are calculated by using Zubarev’s Green’s function technique and computed self-

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Yang, C. P., Y. Z. Wang, G. H. Wu, et al. "Comparison of the crystallographic and magnetic properties between Tb2Fe16.46Cr1.23 and Tb3(Fe,Cr)29 single crystals." Journal of Materials Research 14, no. 11 (1999): 4195–99. http://dx.doi.org/10.1557/jmr.1999.0568.

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A novel Tb3(Fe,Cr)29 single crystal, which has a monoclinic Nd3(Fe,Ti)29-type structure, is obtained using the Czochralski method by performing a proper heat treatment on the Tb2Fe16.46Cr1.23 crystal with a Th2Ni17-type structure. Thermomagnetic curves along the easy axis and magnetization curves along the easy and hard axes are presented for both crystals. The lattice parameters are a = 1.058 nm, b = 0.848 nm, c = 0.968 nm, α = γ = 90°, and β = 96.93° for the Tb3(Fe,Cr)29 single crystal. The Curie temperatures, saturation magnetizations, and magnetocrystalline anisotropy constants are compare

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Liu, Ruihao, Li Cai, Teng Xu, Jiahao Liu, Yang Cheng, and Wanjun Jiang. "Anomalous Nernst effect in compensated ferrimagnetic Co_xGd_1-_x films." Applied Physics Letters 122, no. 2 (2023): 022406. http://dx.doi.org/10.1063/5.0121156.

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The anomalous Nernst effect (ANE) is one of the most intriguing thermoelectric phenomena, which has attracted growing interest both for its underlying physics and potential applications. Typically, a large ANE response is observed in magnets with pronounced magnetizations or nontrivial Berry curvature. Here, we report a significant ANE signal in compensated ferrimagnetic Co xGd1- x amorphous films, which exhibit vanishingly small magnetization. In particular, we found that the polarity of ANE signal is dominated by the magnetization orientation of the transition metal Co sublattices, rather th

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Steenland, Nelson C. "On: “Determination of crustal interface topography from potential fields” by M. Pilkington and D. J. Crossley (GEOPHYSICS, 51, 1277–1284, June 1986) and “Inversion of aeromagnetic data for multilayered models” by M. Pilkington and D. J. Crossley (GEOPHYSICS, 51, 2250–2254, December 1986)." GEOPHYSICS 52, no. 10 (1987): 1436–37. http://dx.doi.org/10.1190/1.1442257.

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The introduction of the airborne magnetometer in the 1940s led to the largest flow of data in geophysical history. Vacquier (1951) recognized the need for a concomitant system of interpretation of these data and pioneered the utilization of a rejected category of anomalies, the intrabasement contrasts in magnetization, for the basis of the desired system. These anomalies had great acclaim in oil and gas exploration in the late 1920s, but they led to the total disrepute of magnetics when facsimiles to the coincidence of production and intrabasement magnetization at Hobbs, New Mexico, discovered

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Rykov, A. I., S. Tajima та F. V. Kusmartsev. "New Features of the Freezing Vortex Matter in Single Crystals of YBa2Cu3O7-δ". International Journal of Modern Physics B 12, № 29n31 (1998): 3326–29. http://dx.doi.org/10.1142/s0217979298002568.

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We report on the new features observed in the magnetization of a high-T c superconductor at cooling through the first order transition. The single crystal of YB2Cu3O 7-δ cooled in the magnetic field H‖c at cooling (FCC) exhibits a multipolar magnetic moment which results from the summing up over the sample of both the negative (magnetization of the uncompressed vortex lattice) and the positive local magnetic moments. The positive local moments correspond to the enhanced density of the trapped flux lines exceeding locally that for the external magnetic field. At large fields (> 3T) below fre

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Raymond, C. A., and J. L. LaBrecque. "Magnetization of the oceanic crust: Thermoremanent magnetization of chemical remanent magnetization?" Journal of Geophysical Research 92, B8 (1987): 8077. http://dx.doi.org/10.1029/jb092ib08p08077.

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Abtahi, Sayyed Mohammad, Laust Börsting Pedersen, Jochen Kamm, and Thomas Kalscheuer. "A new reference model for 3D inversion of airborne magnetic data in hilly terrain — A case study from northern Sweden." GEOPHYSICS 83, no. 1 (2018): B1—B12. http://dx.doi.org/10.1190/geo2016-0331.1.

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The inherent nonuniqueness in modeling magnetic data can be partly reduced by adding prior information, either as mathematical constructs or simply as bounds on magnetization obtained from laboratory measurements. If a good prior model can be used as a reference model, then the quality of estimated models through an inverse approach can be greatly improved. But even though data on magnetic properties of rocks might exist, their distribution may often be quite irregular on local and regional scales, so that it is difficult to define representative classes of rock types suitable for constraining

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Harlan, Steve S. "Paleomagnetism of Middle Proterozoic diabase sheets from central Arizona." Canadian Journal of Earth Sciences 30, no. 7 (1993): 1415–26. http://dx.doi.org/10.1139/e93-122.

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Paleomagnetic results from 1090 Ma diabase sheets of the southwestern U.S.A. diabase province exposed in central Arizona yield two distinct remanent magnetizations (herein termed ADn and ADr), in accordance with the findings of previous investigations. Magnetization ADn is well-defined and has an in situ mean direction of D = 283.3°, I = 45.1° (k = 17.7, α95 = 8.7°, n = 17 independent observations). A mean pole, after correction of paleomagnetic site means for a net 5° clockwise rotation of the Colorado Plateau and transition zone, is located at 22.7°N, 179.3°E (K = 21.9, A95 = 7.8°). The seco

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Roy, Kuntal. "Ultra-Low-Energy Electric Field-Induced Magnetization Switching in Multiferroic Heterostructures." SPIN 06, no. 03 (2016): 1630001. http://dx.doi.org/10.1142/s2010324716300012.

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Electric field-induced magnetization switching in multiferroics is intriguing for both fundamental studies and potential technological applications. Here, we review the recent developments on electric field-induced magnetization switching in multiferroic heterostructures. Particularly, we study the dynamics of magnetization switching between the two stable states in a shape-anisotropic single-domain nanomagnet using stochastic Landau–Lifshitz–Gilbert (LLG) equation in the presence of thermal fluctuations. For magnetostrictive nanomagnets in strain-coupled multiferroic composites, such study of

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Iwata, N., T. Kimura, T. Shigeoka, and Y. Hashimoto. "Sublattice magnetization and magnetization process in TbCu2." Journal of Magnetism and Magnetic Materials 70, no. 1-3 (1987): 279–81. http://dx.doi.org/10.1016/0304-8853(87)90439-2.

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Okwokwo, Oke I., Neil C. Mitchell, Wen Shi, I. C. F. Stewart, and A. Y. Izzeldin. "How have thick evaporites affected early seafloor spreading magnetic anomalies in the Central Red Sea?" Geophysical Journal International 229, no. 3 (2022): 1550–66. http://dx.doi.org/10.1093/gji/ggac012.

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SUMMARY The axial region of the Central Red Sea has been shown to be floored by oceanic crust, but this leaves the low amplitudes of off-axis magnetic anomalies to be explained. Furthermore, if seafloor spreading occurred in the late Miocene, it is unclear how that occurred as widespread evaporites were being deposited then and may have covered the spreading centre. In this study, we derive crustal magnetization for a constant-thickness source layer within the uppermost basement by inverting aeromagnetic anomalies using basement depths derived from seismic reflection and gravity data. Peak-to-

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Uchanin, V. M., S. M. Minakov, and R. M. Solomakha. "Research of the residual magnetization of steel structures after local magnetization with an attachable magnetic transducer." Paton Welding Journal 2024, no. 3 (2024): 46–50. http://dx.doi.org/10.37434/tpwj2024.03.07.

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Ravat, Dhananjay. "Magnetic properties of unrusted steel drums from laboratory and field‐magnetic measurements." GEOPHYSICS 61, no. 5 (1996): 1325–35. http://dx.doi.org/10.1190/1.1444056.

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Laboratory‐derived magnetic properties from samples of steel drums appear to be lower than bulk magnetic properties required to produce observed magnetic anomalies over the same drums. The origin of this discrepancy is perhaps in the shape demagnetization experienced by samples used in the laboratory study. Laboratory observations of magnetic susceptibility in different directions suggest that the demagnetization mechanism may have significantly attenuated the laboratory‐derived magnetization values from small samples of drums. Field observations and computer modeling indicate that even though

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Burzo, Emil, and Romulus Tetean. "New Insights on the Spin Glass Behavior in Ferrites Nanoparticles." Nanomaterials 12, no. 10 (2022): 1782. http://dx.doi.org/10.3390/nano12101782.

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The magnetic properties of nanocrystalline MxFe3−xO4 ferrites with M=Fe, Co, and Zn were investigated. The data support a core–shell model, where the core is ferrimagnetically ordered, and the shell shows a spin glass type behavior. The reduced magnetizations of spin glass components follow an mg = (1 – b/H−1/2) field dependence. The b values are strongly correlated with the intensities of exchange interactions. The field dependences of the magnetoresistances of Fe3O4 and ZnxFe3−xO4 nanoparticles pellets, experimentally determined, are well described if instead of the core reduced magnetizatio

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Kamihoki, Uraku, Yuichiro Kurokawa, Masahiro Fujimoto, and Hiromi Yuasa. "Inversion symmetry breaking in spin–orbit torque-induced magnetization switching to improve the recording density of multi-level magnetoresistive random-access memory." Journal of Applied Physics 133, no. 14 (2023): 143902. http://dx.doi.org/10.1063/5.0131540.

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In this study, we prepared a multi-layer Tb–Fe/Pt/Tb–Fe wire to develop a multi-level magnetic memory. By applying current, magnetizations of the Tb–Fe layers were inversion symmetrically switched by spin– orbit torque (SOT) generated from the middle Pt layer. Measurements of SOT showed that its efficiency had opposite polarities in the top and bottom Tb–Fe layers. The switching current density of the top and bottom Tb–Fe layers shifted in opposite directions under a uniform perpendicular magnetic field. Because the perpendicular magnetic field broke the inversion symmetry of SOT generated fro

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BROWN, P. J. "MAGNETIZATION DISTRIBUTIONS." International Journal of Modern Physics B 07, no. 16n17 (1993): 3029–48. http://dx.doi.org/10.1142/s0217979293003140.

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The determination of magnetization distributions using neutron scattering is not a new technique but one that has developed over the last 30 years. In the present article a brief introduction to the technique is given, methods used for the analysis of the data obtained are critically reviewed, and some of the new results which have been obtained in the last five years are presented. Attention is concentrated on examples for which the results obtained have helped to answer questions in areas of high current interest.

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Gee, J., H. Staudigel, and L. Tauxe. "Contribution of induced magnetization to magnetization of seamounts." Nature 342, no. 6246 (1989): 170–73. http://dx.doi.org/10.1038/342170a0.

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Li, Yaoguo, Jiajia Sun, Shu-Ling Li, and Marcelo Leão-Santos. "A paradigm shift in magnetic data interpretation: Increased value through magnetization inversions." Leading Edge 40, no. 2 (2021): 89–98. http://dx.doi.org/10.1190/tle40020089.1.

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Magnetic data are sensitive to both the induced magnetization in rock units caused by the present earth's magnetic field and the remanent magnetization acquired by rock units in past geologic time. Susceptibility is a direct indicator of the magnetic mineral content, whereas remanent magnetization carries information about the formation process and subsequent structural movement of geologic units. The ability to recover and use total magnetization, defined as the vectorial sum of the induced and remanent magnetization, therefore enables us to take full advantage of magnetic data. The explorati

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