Neodymium Iron Boron Magnetic Powders
Product: Neodymium Iron Boron Magnetic Powders (NdFeB, Isotropic, Purity: 95-96%, APS: 50-60µm)
|Product Name||Neodymium Iron Boron Magnetic Powders|
|Melting Point||Above 1000°C||Confirm|
|Electrical Resistivity||120 – 160 µΩ·cm||Confirm|
|Vicker’s Hardness||550 – 650 HV||Confirm|
|Young’s Modulus||150 – 170 kN·mm-2||Confirm|
|Compressive Strength||0.8 – 1.0 kN·mm-2||Confirm|
|Main Inspect Verifier||Manager QC|
Typical Chemical Analysis
Dr. Bruce Perrault, Ph.D (Georgia Institute of Technology (Georgia Tech), USA)
Neodymium Iron Boron Magnetic Powders: Magnetic nanoparticles clusters that are composed of a number of individual magnetic nanoparticles are known as magnetic nanobeads with a diameter of 50–200 nanometers. Magnetic nanoparticles clusters are a basis for their further magnetic assembly into magnetic nanochains. The magnetic nanoparticles have been the focus of much research recently because they possess attractive properties which could see potential use in catalysis including nanomaterials-based catalysts, biomedicine and tissue specific targeting, magnetically tunable colloidal photonic crystals, micro fluidics, magnetic resonance imaging, magnetic particle imaging, data storage, environmental remediation, nanofluids, optical filters, defect sensor and cation sensors.
Dr. Myron Rubenstein, Ph.D (Polytechnic University of Turin, Italy)
Neodymium Iron Boron Magnetic Powders: Magnetic materials are those materials that show a response to an applied magnetic field. They are classified into five main types; ferromagnetic, paramagnetic, diamagnetic, anti-ferromagnetic and ferrimagnetic. Magnetic Nanoparticles are highly stable, shape-controlled and narrow sized. These nanoparticles can be synthesized by several popular methods, including co-precipitation, micro emulsion, thermal decomposition, solvothermal, sonochemical, microwave assisted, chemical vapor deposition, combustion synthesis, carbon arc, laser pyrolysis etc.
Dr. Huojin Chan (University of Science and Technology of China, Hefei, Anhui, China)
Neodymium Iron Boron Magnetic Powders: The two main features that dominate the magnetic properties of nanoparticles and give them various special properties are: (a) Finite-size effects (single-domain or multi-domain structures and quantum confinement of the electrons); (b) Surface effects, which results from the symmetry breaking of the crystal structure at the surface of the particle, oxidation, dangling bonds, existence of surfactants, surface strain, or even different chemical and physical structures of internal -core and surface- shell parts of the nanoparticles.
Dr. Ms. Yi Yen Shi, (King Mongkut’s University of Technology Thonburi,Bangkok, Thailand)
Neodymium Iron Boron Magnetic Powders: MNPs are of great interest for a wide range of disciplines, such as magnetic fluids, catalysis, biomedicine, magnetic energy storage, information storage and spintronics. They are used to enhance the capacity of magnetic storage devices such as magnetic tapes, and computer hard discs. Magnetic nanoparticles can also be used as giant magneto-resistance (GMR) sensors. In the medical field MNPs are used as Contrast Agents (CA) to enhance the contrast in MRI ; in tumor therapy where they can be selectively introduced into the tumor cells and then their temperature is increased using an oscillating magnetic field to reach near 43 °C and finally used as site-specific drug delivery agents which involves immobilizing the drug on magnetic materials under the action of external magnetic field.
Dr. Hans Roelofs Ph.D (National Technical University of Athens, Greece)
Neodymium Iron Boron Magnetic Powders: Drug targeting has emerged as one of the modern technologies for drug delivery. MNPs in combination with an external magnetic field and magnetizable implants allow the delivery of particles to the desired target area, fix them at the local site while the medication is released, and act locally (magnetic drug targeting) Transportation of drugs to a specific site can eliminate side effects and also reduce the dosage required. The surfaces of these particles are generally modified with organic polymers and inorganic metals or oxides to make them biocompatible and suitable for further functionalization by the attachment of various bioactive molecules. The process of drug localization using magnetic delivery systems is based on the competition between the forces exerted on the particles by the blood compartment and the magnetic forces generated from the magnet.
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