# large ferromagnetic ball

## Neodymium Sphere Magnet | Neodymium Magnetic Balls

Neodymium Magnetic Balls. A Neodymium sphere magnet (also known as NdFeB) is the type of permanent Ball magnet most widely used in various industrial and household products due to its (1) large magnetic strength, (2) high resistance to demagnetization, and (3) relatively cheap price.

## Energy minimizers for large ferromagnetic bodies ...

Energy minimizers for large ferromagnetic bodies. Antonio De Simone. 1. Archive for Rational Mechanics and Analysis. volume. 125 , pages. 99–143 ( 1993) Cite this article. 343 Accesses.

## (PDF) Energy minimizers for large ferromagnetic bodies ...

Finally, f Large Ferromagnetic Bodies I05 the magnetostatic energy is the energy associated with the magnetic field generated by m, and it is minimized by divergence-flee magnetization fields. Its expression can be justified via atomic lattice calculations (see [Br62] and [JM92]).

## Phys. Rev. Research 2, 033430 (2020) - Ferromagnetic ...

2020-9-16 · In particular, it is responsible for a very large ferromagnetic coupling (− 10 meV) between the iron ions in a Fe 3 + − Co 3 + − Fe 3 + complex. Furthermore, we find that the ferromagnetic exchange interaction turns into antiferromagnetic by substituting the diamagnetic bridge with magnetic one.

## Phys. Rev. B 98, 125416 (2018) - Large magneto-optical ...

2018-9-21 · Atomically thin ferromagnetic (FM) films were recently prepared by mechanical exfoliation of bulk FM semiconductor ${\mathrm{Cr}}_{2}{\mathrm{Ge}}_{2}{\mathrm{Te}}_{6}$. They provide a platform to explore novel two-dimensional (2D) magnetic phenomena, and they offer exciting prospects for new technologies. By performing systematic ab initio density functional calculations, here we study two ...

## Diamagnetic, paramagnetic, and ferromagnetic properties

2015-11-3 · In summary and by taking into account all the experimental results described above, it is reasonable to infer that the magnetic behavior of the ball milled Bi-2223 samples may be understood by assuming three different magnetic contributions to $$\chi (T)$$ in a large range of T: (i) a diamagnetic contribution, associated with a superconducting ...

## Large anomalous Hall effect in ferromagnetic Weyl ...

2019-5-21 · The PrAlGe exhibits strong Ising-type magnetic anisotropy with ferromagnetic moments ∼2.32μ B /Pr along easy c-axis below transition temperature T c ∼ 15 K. Accordingly, anomalous Hall effect (AHE) is observed for field (H) along c axis in contrast to a −1 cm −1 close to the theoretical expected value based on intrinsic Berry-curvature ...

## Large intrinsic anomalous Hall effect in half-metallic ...

2018-9-11 · The large intrinsic anomalous Hall effect (AHE) in magnetic Weyl semimetals is expected but rarely verified experimentally. Here, Wang et al. report large intrinsic AHE with linear dependence on ...

## 上海交通大学 - 材料科学与工程学院

3) J.Z. Li, B. Huang and J.G. Li: “Growth of large crystallites of Co37Ni34Al29 ferromagnetic shape memory alloys under super-high temperature gradient directional solidification”, Journal of Crystal Growth, 317 (2011) 110–114

## 上海交通大学 - 材料科学与工程学院

3) J.Z. Li, B. Huang and J.G. Li: “Growth of large crystallites of Co37Ni34Al29 ferromagnetic shape memory alloys under super-high temperature gradient directional solidification”, Journal of Crystal Growth, 317 (2011) 110–114

## Phys. Rev. Research 2, 033430 (2020) - Ferromagnetic ...

2020-9-16 · In particular, it is responsible for a very large ferromagnetic coupling (− 10 meV) between the iron ions in a Fe 3 + − Co 3 + − Fe 3 + complex. Furthermore, we find that the ferromagnetic exchange interaction turns into antiferromagnetic by substituting the diamagnetic bridge with magnetic one.

## Large anomalous Hall effect in ferromagnetic Weyl ...

2019-5-21 · The PrAlGe exhibits strong Ising-type magnetic anisotropy with ferromagnetic moments ∼2.32μ B /Pr along easy c-axis below transition temperature T c ∼ 15 K. Accordingly, anomalous Hall effect (AHE) is observed for field (H) along c axis in contrast to a −1 cm −1 close to the theoretical expected value based on intrinsic Berry-curvature ...

## Magnetic Toys | physicsfun shop

2018-6-15 · physicsfun is my ongoing attempt to create and sustain a museum on social media, one where I can share my vast collection of curious objects of science, art, and math, to the widest audience as possible. Physics is the real magic of the universe, and each day I wish to surprise, delight, and awe with a brief demonstration from the real world.

## Phys. Rev. B 98, 125416 (2018) - Large magneto-optical ...

2018-9-21 · Atomically thin ferromagnetic (FM) films were recently prepared by mechanical exfoliation of bulk FM semiconductor ${\mathrm{Cr}}_{2}{\mathrm{Ge}}_{2}{\mathrm{Te}}_{6}$. They provide a platform to explore novel two-dimensional (2D) magnetic phenomena, and they offer exciting prospects for new technologies. By performing systematic ab initio density functional calculations, here we study two ...

## ferromagnetic semiconductor CrGe Te

2021-2-3 · Large MAE in van der Waals (vdW)magnets would li˚ Mergna–er ionict resrt 11,14 , for that the out-of-plane magnetic anisotropy would open a spin-wave gap and counteract magnetic ˛uctuations, resulting in the stabilization of the long-range ferromagnetic order 9,15,16 .

## 杜娟-中国科学院大学-UCAS

（1） Enhanced large magnetic entropy change and adiabatic temperature change of Ni43Mn46Sn11 alloys by a rapid solidification method，Scripta Materialia，2015，通讯作者 （2） Enhanced magnetic refrigeration properties in Mn-rich Ni-Mn-Sn ribbons by optimal annealing，Scientific Reports，2015，通讯作者 （3） InAs Nanowire Devices with Strong Gate Tunability: Fundamental ...

## Chapter 27 – Magnetic Field and Magnetic Forces

2010-3-23 · Electron analogy: “spinning ball of charge” circulation of charge around spin axis similar to current loop electron has net magnetic moment. - In Fe atom , large number of electron magnetic moments align to each other non-zero atomic magnetic moment. - In unmagnetized Fe piece no overall alignment of µof atoms total µ= 0.

## 中国科学院物理研究所 磁学国家重点实验室 M03 组

2020-9-1 · Large magnetocaloric effect in Er 12 Co 7 compound and the enhancement of dTFWHM by Ho-substitution J. Alloy. Compd. 680 ... surfactant-assisted ball milling AIP Advances 7 (2017) 056203 21 R. Li, R. X. Shang, J. F. Xiong, D. Liu, H. Kuang, W. L -spun ...

## Magnetic Bearings - an overview | ScienceDirect Topics

Magnetic Bearings. Magnetic bearings react differently than hydrodynamic or rolling-element bearings in that the mechanical bearings react immediately to a load change while the magnetic bearing in line with the load change must increase its force at the same rate to maintain rotor position. From: Compressors (Third Edition), 2005.

## Phys. Rev. Research 2, 033430 (2020) - Ferromagnetic ...

2020-9-16 · In particular, it is responsible for a very large ferromagnetic coupling (− 10 meV) between the iron ions in a Fe 3 + − Co 3 + − Fe 3 + complex. Furthermore, we find that the ferromagnetic exchange interaction turns into antiferromagnetic by substituting the diamagnetic bridge with magnetic one.

## Phys. Rev. B 98, 125416 (2018) - Large magneto-optical ...

2018-9-21 · Atomically thin ferromagnetic (FM) films were recently prepared by mechanical exfoliation of bulk FM semiconductor ${\mathrm{Cr}}_{2}{\mathrm{Ge}}_{2}{\mathrm{Te}}_{6}$. They provide a platform to explore novel two-dimensional (2D) magnetic phenomena, and they offer exciting prospects for new technologies. By performing systematic ab initio density functional calculations, here we study two ...

## Ferromagnetic Material - an overview | ScienceDirect Topics

Ferromagnetic materials have positive exchange interactions producing a parallel alignment of spins (Figure 1(a)) and a large net magnetization called the spontaneous or saturation magnetization (M S). The magnitude of M S at 0 K is dependent on the total spin

## Reverse Rotation of Soft Ferromagnetic Ball in Rotating ...

In this paper, we exhaustively investigated the motion of a soft ferromagnetic ball driven by two rotating magnets with either same or opposite polarity. The experimental observations exhibit plentiful unexpected phenomena in this system, including the counterintuitive reverse rotation of the ball against the direction of the high-speed ...

## Magnetic Toys | physicsfun shop

2018-6-15 · physicsfun is my ongoing attempt to create and sustain a museum on social media, one where I can share my vast collection of curious objects of science, art, and math, to the widest audience as possible. Physics is the real magic of the universe, and each day I wish to surprise, delight, and awe with a brief demonstration from the real world.

## Chapter 27 – Magnetic Field and Magnetic Forces

2010-3-23 · Electron analogy: “spinning ball of charge” circulation of charge around spin axis similar to current loop electron has net magnetic moment. - In Fe atom , large number of electron magnetic moments align to each other non-zero atomic magnetic moment. - In unmagnetized Fe piece no overall alignment of µof atoms total µ= 0.

## ferromagnetic semiconductor CrGe Te

2021-2-3 · Large MAE in van der Waals (vdW)magnets would li˚ Mergna–er ionict resrt 11,14 , for that the out-of-plane magnetic anisotropy would open a spin-wave gap and counteract magnetic ˛uctuations, resulting in the stabilization of the long-range ferromagnetic order 9,15,16 .

## Amazon: Applied Magnets Magnetic Ferrofluid -2oz-

The ferromagnetic nano-particles are coated with a surfactant to prevent their agglomeration (due to van der Waals and magnetic forces). Although the name may

## 上海交通大学 - 材料科学与工程学院

3) J.Z. Li, B. Huang and J.G. Li: “Growth of large crystallites of Co37Ni34Al29 ferromagnetic shape memory alloys under super-high temperature gradient directional solidification”, Journal of Crystal Growth, 317 (2011) 110–114

## 丁向东-西安交通大学材料科学与工程学院 - xjtu.edu.cn

2021-8-5 · Enhanced high-rate performance of ball-milled MmNi3.55Co0.75Mn0.4Al0.3 hydrogen storage alloys with graphene nanoplatelets Journal of Alloys and Compounds, 693, 126-131, 2017 103) R. Yuan, D. Q Xue, Y. Zhou, X. Ding, J. Sun and D. Z Xue