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Magnetic Anisotropy

/Tag:Magnetic Anisotropy

Astronomers want to use magnets to salvage underwater meteorites

Astronomers want to use magnets to salvage underwater meteorites Astronomers plan to use a mattress-sized magnet to salvage meteorites from the ocean, according to a report on the website of Popular Mechanics on August 18. On January 8, 2014, a meteor exploded over the Pacific Ocean north of Papua New Guinea at a speed of [...]

President Biden has decided not to restrict imports of ndfeb magnets

President Biden has decided not to restrict imports of ndfeb magnets. The US "Political News Network" said that the neodymium magnets imported by the United States mainly come from China, and Biden's decision avoided a new trade war between the United States and China and other economies. According to a report by the "Political News [...]

Up to 75% depend on China! U.S. no longer restricts imports of neodymium magnets

Up to 75% depend on China! U.S. no longer restricts imports of neodymium magnets On September 21, the United States announced that it would no longer restrict the import of neodymium magnets. Neodymium magnets are rare earth materials commonly used in commercial and military applications. According to a report, as the application of such magnets [...]

Giant Magnetoresistance

Giant Magnetoresistance Have you ever sat around on a rainy day contemplating your computer’s hard disk drive? Though often taken for granted, this magnetized device makes it possible to store and retrieve information digitally – in everything from video games to iPods to your personal computer. The first hard disk drives (HDDs) date back to [...]

Permanent Magnets: A Study in Sticktoitiveness

Permanent Magnets: A Study in Sticktoitiveness There are two basic kinds of magnets  permanent and temporary. We'll take on permanent first  which is appropriate, because before humans could invent and exploit temporary magnets, they had to discover the permanent kind first. People first happened upon magnets sometime before 600 BC with the discovery of the [...]

Hybrid Magnets: Best of Both Worlds

Hybrid Magnets: Best of Both Worlds Unlike most of the math that goes on at the Magnet Lab, the equation you need to make a more powerful continuous field magnet is pretty easy. Take a very powerful superconducting magnet  say, 11.5 tesla  and a very powerful resistive magnet  say, 33.5 tesla  and put them together. [...]

Electromagnets: Two Forces Team Up

Electromagnets: Two Forces Team Up Resistive electromagnets, another type of temporary magnet, combine the powers of electricity and of magnetism to enormous effect. Although superconducting electromagnets, which we'll discuss soon, offer many advantages, certain laws of physics prevent them from reaching the field strengths electromagnets are capable of. Some of the world's most powerful resistive [...]

Superconducting Magnets: Power Unplugged

Superconducting Magnets: Power Unplugged Superconductivity is a very cool phenomenon in which electrical resistance is overcome with the help of very cold temperatures colder than anything this side of Pluto! Most superconducting magnets are made using an alloy called niobium-titanium  "Ni-Ti" for short. You could think of it this way: In a superconducting current, the [...]

A Boost for Permanent Magnets

A Boost for Permanent Magnets Scientists at TU Darmstadt explored on an atomic level how changes in iron content influence the micro-structure of samarium-cobalt based permanent magnets. Their results were published in Nature Communications. In the long run they could contribute to the development of permanent magnets with improved magnetic performance. These magnets can be [...]

Scientists Discover Potential Path to Improving Samarium-Cobalt Magnets

Scientists Discover Potential Path to Improving Samarium-Cobalt Magnets Scientists have discovered a potential tool to enhance magnetization and magnetic anisotropy, making it possible to improve the performance of samarium-cobalt magnets. The scientists, at the U.S. Department of Energy's Critical Materials Institute at Ames Laboratory, in collaboration with the Nebraska Center for Materials and Nanoscience and [...]

New Progress in Biomimetic Magnetic Demulsifiers

New Progress in Biomimetic Magnetic Demulsifiers The discharge of industrial oily wastewater and the pollution of oily wastewater caused by oil spills at sea have seriously threatened human health and the ecological environment. Superhydrophobic oil-absorbing materials have received extensive attention in the selective separation of oil/organic solvents from water due to their high porosity, excellent [...]

Anisotropic Dzyaloshinskii-Moriya Interactions with Symmetry Preservation Discovered in 2D Magnets

Anisotropic Dzyaloshinskii-Moriya Interactions with Symmetry Preservation Discovered in 2D Magnets Magnetic skyrmions are non-collinear magnetic vortex quasiparticles with topologically protected real space. They have many advantages such as nanometer size, stable structure, easy control, and small driving threshold current. They are expected to become the next generation of high capacity, high speed read and write, [...]

Advances in Magnetocaloric Properties of Amorphous Alloy Composites

Advances in Magnetocaloric Properties of Amorphous Alloy Composites Compared with traditional gas compression refrigeration, magnetic refrigeration has the advantages of high refrigeration efficiency, low noise, small size, green environmental protection and no pollution. As a potential alternative to traditional refrigeration technology, it has attracted the attention of scientific and technological circles around the world. A [...]

Ultrasensitive Flexible Magnetoelectric Sensor

Ultrasensitive Flexible Magnetoelectric Sensor ABSTRACT Ever-evolving advances in flexible magnetic sensors are promising to fuel technological developments in the fields of touchless human–machine interaction, implantable medical diagnosis, and magnetoreception for artificial intelligence. However, the realization of highly flexible and extremely sensitive magnetic sensors remains a challenge. Here, we report a cost-effective, flexible, and ultra-sensitive heterostructural [...]

Important Progress in Magnetic Field-assisted Enhancement of Electrocatalytic Hydrogen Evolution Performance

Important Progress in Magnetic Field-assisted Enhancement of Electrocatalytic Hydrogen Evolution Performance As a clean energy, hydrogen will play an important role in the future energy landscape. Hydrogen production by electrolysis of water has the advantages of low cost, high efficiency, environmental friendliness, and good safety, and is favored by people. At present, the solid-state catalysts [...]

Focus on Flexible Magnetoelectric Materials and Help the World of “Internet of Everything”

Focus on Flexible Magnetoelectric Materials and Help the World of "Internet of Everything" - Researcher Li Runwei, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences Li Runwei, researcher and doctoral supervisor of Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, is currently Secretary of the Party Committee of Ningbo [...]

New Progress in the Field of Flexible / Elastic Magnetoelectric Functional Materials and Devices

New Progress in the Field of Flexible / Elastic Magnetoelectric Functional Materials and Devices Wearable and implantable devices are the basis of human motion monitoring, health monitoring, and human-computer interaction technologies. They have huge application prospects in trillion-level industries such as smart medical care and intelligent robots. The development trend is flexibility and even elasticity. [...]

The Progress in Magnetic Regulation of Flexible Magnetic Films

The Progress in Magnetic Regulation of Flexible Magnetic Films Flexible electronic devices have the advantages of flexibility, easy portability, and potential low-cost manufacturing. They have important application prospects in medical, information, and energy fields, and have attracted widespread attention. The most ideal flexible electronic devices, such as flexible wearable devices, require all components to be [...]

Progress in the Study of Unusually Large Anisotropic Magnetoresistance Effects

Progress in the Study of Unusually Large Anisotropic Magnetoresistance Effects Our latest findings were published on August 25, 2009, in the Proceedings of the National Academy of Sciences. In cooperation with the National Institute of Materials Science of Japan, the Institute of Physics of the Chinese Academy of Sciences, Florida International University, and Louisiana State [...]

Progress in Stress Controlling Magnetic Anisotropy of Flexible Magnetostrictive Thin Films

Progress in Stress Controlling Magnetic Anisotropy of Flexible Magnetostrictive Thin Films Magnetostrictive material Fe81Ga19 alloy has the advantages of low saturation field (~100 Oe), good ductility, and moderate amount of stretching (~350 ppm), and has broad application prospects in the field of sensors and actuators. In microelectromechanical systems as well as multifunctional composites, it is [...]

Research Progress in Flexible Magnetic Sensing Thin Film Materials and Devices

Research Progress in Flexible Magnetic Sensing Thin Film Materials and Devices The rapid development of flexible smart wearable devices puts forward the requirements for the flexibility of magnetoelectric functional devices. Due to the inverse magnetostrictive properties of magnetic materials, the stress/strain generated by the bending or stretching state can change the magnetic anisotropy of the [...]

Progress in the Preparation of Rare Earth Magnetic Refrigeration Materials by Thermal Deformation

Progress in the Preparation of Rare Earth Magnetic Refrigeration Materials by Thermal Deformation Magnetic refrigeration technology based on the magnetocaloric effect of materials has intrinsically reversible high-efficiency thermodynamic properties and environmental advantages, and is expected to become one of the most potential alternatives to gas compression refrigeration. my country's La-Fe-Si alloy with independent intellectual property [...]

China Ferrite Magnet Encyclopedia-magnet Manufacturer

China Ferrite Magnet Encyclopedia-magnet Manufacturer In this article, as a professional industrial magnet product manufacturer, HSMAG magnet factory (China Ferrite Magnet Encyclopedia-magnet Manufacturer) is going to walk you through ferrite magnet's industrial knowledge. More info, stay tuned. Ferrite magnet is a kind of permanent magnet made mainly from SrO or BaO and Fe2O3. Developed by [...]

MULTI-POLE MAGNETIC CIRCUIT COMPARISONS

MULTI-POLE MAGNETIC CIRCUIT COMPARISONS Permanent magnets can be magnetized with two or more (4, 6, 8, etc.) poles, using permanent or pulse magnetic flux. Pulse magnetization allows achievement of larger magnetic fields necessary for Nd-Fe-B or Sm-Co magnets. Multi-pole magnetization requires special magnetization heads with preformed windings which allow achievement of required distribution of magnetic [...]

Magnetic Anisotropy

Magnetic Anisotropy is the capacity of a magnet to maximize its magnetic orientation in the direction of its poles, and it is similar to general anisotropy of other material characteristics. Strong permanent magnets – especially sintered Neodymium magnets- have had their magnetic domains oriented in the direction of the easy axis to maximize their strength. [...]

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