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Ferrimagnetic ceramic material
fields and can be magnetized to become permanent magnets. Unlike many ferromagnetic materials, most ferrites are not electrically-conductive, making them
Ferrite_(magnet)
Magnetic core on which the windings of electric transformers and inductors are formed
are called "soft ferrites" to distinguish them from "hard ferrites", which have a high coercivity and are used to make ferrite magnets. The low coercivity
Ferrite_core
Object that has a magnetic field
"hard" materials, which do. Permanent magnets are made from "hard" ferromagnetic materials such as alnico and ferrite that are subjected to special processing
Magnet
Topics referred to by the same term
Ferrite may refer to: Ferrite (iron), one of the allotropes of iron that is stable at room temperature and pressure, α-Fe Ferrite (magnet), a ferrimagnetic
Ferrite
Type of electric motor
oxide, also known as a “ceramic” or “ferrite” magnet, is a NRE permanent magnetic material found in permanent magnet motor applications such as power tools
Permanent_magnet_motor
Chemical compound
BaFe, BaM. This compound and related ferrite materials are components in magnetic stripe cards and loudspeaker magnets. BaFe is described as Ba2+ Fe3+ 12O2−
Barium_ferrite
Strongest type of permanent magnet from an alloy of neodymium, iron and boron
"ordinary" ferrite magnets by volume and 12 times by mass. This magnetic energy property is higher in NdFeB alloys than in samarium cobalt (SmCo) magnets, which
Neodymium_magnet
Type of AC motor
motors. Neodymium magnets are the most common, although rapid fluctuation of neodymium magnet prices triggered research in ferrite magnets. Due to inherent
Synchronous_motor
Strong permanent magnet made from alloys of rare-earth elements
type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets. The magnetic field
Rare-earth_magnet
Small magnet used to post items on a refrigerator door
cylindrical or rectangular prism shape. Ferrite magnets are commonly used, with decorative elements attached to the magnets with adhesive. They were created
Refrigerator_magnet
Resistance of a ferromagnetic material to demagnetization by an external magnetic field
coercivity are called magnetically hard, and are used to make permanent magnets. Materials with low coercivity are said to be magnetically soft. The latter
Coercivity
Electronic circuit in which a signal entering any port exits at the next port
give four or more ports. Typically permanent magnets produce a static magnetic bias in the microwave ferrite material. Ferrimagnetic garnet crystal is used
Circulator
Pseudoscientific alternative medicine practice
has been "magnetized". These products generally use neodymium and ferrite magnets and the application is usually performed by the patient. It is similar
Magnet_therapy
Magnetization left behind in a material
iron) after an external magnetic field is removed. Colloquially, when a magnet is "magnetized", it has remanence. The remanence of magnetic materials provides
Remanence
indicating its potential for powering wearable electronic devices. Ferrite core Ferrite (magnet) Franklinite Zinc smelting Andrés Vergés, M.; Martinez, M.; Matijevié
Zinc_ferrite
Magnet that creates a magnetic field through an electric current
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of copper wire wound
Electromagnet
Type of electrical device
core of ferromagnetic material such as laminated iron, iron powder, or ferrite, around which wire is wound. Although closed-core inductors and transformers
Toroidal inductors and transformers
Toroidal_inductors_and_transformers
Type of magnetic phenomenon
including rhenium ferrite, ReFe2O4, PbFe12O19 and BaFe12O19 and pyrrhotite, Fe1−xS. Ferrimagnetism can also occur in single-molecule magnets. A classic example
Ferrimagnetism
Comparison of a wide range of magnetic fields
flux is in a given point or at a given distance (usually right above the magnet's surface). For the intrinsic order of magnitude of magnetic fields, see:
Orders of magnitude (magnetic field)
Orders_of_magnitude_(magnetic_field)
Hexaferrite
ferrites or hexaferrites are a family of ferrites with hexagonal crystal structure. The most common member is BaFe12O19, also called barium ferrite,
Hexagonal_ferrite
American loudspeaker manufacturer
speakers. All Magnepan speakers are based on flexible ferrite magnet strips (like refrigerator magnets), 0.060" (1.5 mm) thick, typically cut to either 1/4"
Magnepan
Shark attack prevention device
generated by these permanent magnets (ferrite and rare-earth types) decrease at the inverse cube of the distance from the magnet to sharks and rays. Therefore
Magnetic_shark_repellent
Line of loudspeakers
in most respects to the 604-8G, but used a ferrite magnet instead of an Alnico V magnet. Ferrite magnets are much more resistant to being demagnetized
Altec_Lansing_Duplex
Transducer that converts an electrical audio signal to sound waves
problem of alnico magnets being partially demagnetized. In the 1960s, most driver manufacturers switched from alnico to ferrite magnets, which are made
Electrodynamic_speaker_driver
and James Cook University (JCU), Australia confirmed that permanent (ferrite) magnets technology repel grey reef sharks, hammerheads, sharp-nosed sharks
Sharkdefense
Traumatically caused infection in animals, usually cattle
smoothed rod, but today they are more commonly several ring-shaped ferrite magnets attached to a stainless-steel or plastic core, in the same shape as
Hardware_disease
Electromechanical device
Magnetic: This technology typically employs the use of rubber bonded ferrite magnets attached to a metal hub. This offers flexibility in design and low
Rotary_encoder
American factory automation equipment brand owned by Rockwell Automation
employs over 1000 people. In 1954 Allen-Bradley started supplying ferrite magnets In 1957, the Brook Stevens redesigned the logo. Series K Across-The-Line
Allen-Bradley
this material is usually a ferrite which is biased by a static magnetic field but can be a self-biased material. The ferrite is positioned within the isolator
Isolator_(microwave)
Motor vehicle platform
Volt uses ferrite magnets for the rotor in M/G A and rare-earth magnets for the rotor in M/G B, while the Malibu Hybrid has rare-earth magnets for the rotors
GM_Voltec_powertrain
Chemical compound
doi:10.1002/14356007.a25_321. ISBN 978-3-527-30673-2. "Ceramic Ferrite Magnets". Stanford Magnets. Retrieved Oct 7, 2024. Ehrlich, Henry Lutz; Newman, Dianne
Strontium_carbonate
G. (September 1985). "Promising applications of neodymium boron Iron magnets in electrical machines" (PDF). IEEE Transactions on Magnetics. 21 (5):
Energy density extended reference table
Energy_density_extended_reference_table
Electric guitar
eschewed traditional bar magnets used in other humbuckers in favor of individually-threaded "CuNiFe" (Copper/Nickel/Ferrite) magnets that could be adjusted
Fender_Telecaster_Deluxe
Device for generating microwaves
cylinder around it. The tube was placed between the poles of a horseshoe magnet[better source needed] arranged such that the magnetic field was aligned
Cavity_magnetron
Mechanism by which materials form into and are attracted to magnets
which do. Permanent magnets are made from hard ferromagnetic materials (such as alnico) and ferrimagnetic materials (such as ferrite) that are subjected
Ferromagnetism
Converts an electrical audio signal into a corresponding sound
problem of alnico magnets being partially demagnetized. In the 1960s, most driver manufacturers switched from alnico to ferrite magnets, which are made
Loudspeaker
Loudspeaker for low-pitched audio frequencies
sent to a dual voice coil moving within a 900-ounce (26 kg) strontium ferrite magnet. The Jackhammer weighs in at 369 pounds (167 kg) and has an aluminum
Subwoofer
Japanese motor manufacturing company
motor by replacing the alnico magnet with a ferrite magnet, resulting in April 1958 in a utility model patent for a ferrite "F-type motor" with the same
Mabuchi_Motor
magnetic structures can be developed from ferrites, rare-earth materials (e.g. Neodymium magnet, Samarium–cobalt magnet), ceramics, and electromagnets alike
Programmable_magnet
Chinese conglomerate
with Japan's Foster Electric Co. in Vietnam for the manufacturing of ferrite magnets. In November 2022, DMEGC signed an investment deal with Yibin, Sichuan
Hengdian_Group
Any of the fifteen lanthanides plus scandium and yttrium
150 °C, Samarium-cobalt magnets are stronger. NdFeB and SmCo magnets are ten and six times stronger than standard ferrite magnets. Also, Nd and Sm are less
Rare-earth_element
Special arrangement of permanent magnets
loops of wire in the track. Flat flexible (not hard ceramic ferrite) refrigerator magnets are created with a Halbach magnetization pattern for a stronger
Halbach_array
1 J/m3 for some soft materials (permalloy, 3E4 ferrite), to above 400 kJ/m3 for hard ones (neodymium magnets); Magnetic viscosity When an external field
Ferromagnetic material properties
Ferromagnetic_material_properties
Class of physical phenomena
and can be magnetized to become permanent magnets, producing magnetic fields themselves. Demagnetizing a magnet is also possible. Only a few substances
Magnetism
One-piece stereo loudspeaker
– use the new drivers employing ferrite magnets instead of Alnico V – the LE15A bass driver replaced by the ferrite LE15H; the 375 midrange driver replaced
JBL_Paragon
Oxide compound with cations of multiple elements or different oxidation states
commercial applications. Magnets made of the complex oxide ferrite are commonly used in transformer cores and in inductors. Ferrites are ideal for these applications
Complex_oxide
Type of brushless DC electric motor
layout (though still considerably faster than ferrite motors, when compared with motors that use neodymium magnets) while producing far more torque. This makes
Outrunner
Chemical element with atomic number 38 (Sr)
production. Strontium carbonate is used in the manufacturing of hard ferrite magnets. Strontium chloride is sometimes used in toothpastes for sensitive
Strontium
Synthesized biomolecular magnetic particles
particles range from 1 to 100 nm in size and may display superparamagnetism. Ferrite nanoparticles or iron oxide nanoparticles (iron oxides in crystal structure
Magnetic_nanoparticles
Type of direct current motor
built from ferrite blocks sandwiched between strips of metal, instead of conventional copper coil windings, and is held together purely by magnets. The motor
Lynch_motor
Loops of electric current induced within conductors by a changing magnetic field
machinery, requiring special construction such as laminated magnetic cores or ferrite cores to minimize them. Eddy currents are also used to heat objects in
Eddy_current
Devices that measure magnetic field strength using the Hall effect
Integrating a Hall sensor into a ferrite ring (as shown) concentrates the flux density of the current's magnetic field along the ferrite ring and through the sensor
Hall_effect_sensor
Research apparatus for particle physics
can be either linear or circular. Linear induction accelerators utilize ferrite-loaded, non-resonant induction cavities. Each cavity can be thought of
Particle_accelerator
City in Oklahoma, United States
company, TDK, opened a factory in Shawnee which locally manufactures ferrite magnets for electronic motors. The mayor of Shawnee at that time, Pierre F
Shawnee,_Oklahoma
Digital logic based on non-linear magnetic effects
Magnetic logic is digital logic made using the non-linear properties of wound ferrite cores. Magnetic logic represents 0 and 1 by magnetising cores clockwise
Magnetic_logic
transport Fernand Holweck Fernando Quevedo Fernando Sanford Ferrimagnetism Ferrite (magnet) Ferroelectret Ferroelectricity Ferrofluid Ferroics Ferromagnetic interaction
Index_of_physics_articles_(F)
Synthetic garnet
Complex Magnet". Physics Reports. 229 (3): 84–144. Bibcode:1993PhR...229...81C. doi:10.1016/0370-1573(93)90107-o. "Yttrium Iron Oxide / Yttrium Ferrite (Y3Fe5O12)
Yttrium_iron_garnet
Types of electrical transformer
improvement in inductance that ferrite produces, many ferrite cored transformers work well with only one or two turns. Ferrite is an intensely magnetically
Transformer_types
Material invented by Mullard, used for making permanent magnets
Magnadur is a sintered barium ferrite, specifically BaFe12O19 in an anisotropic form. It is used for making permanent magnets. The material was invented
Magnadur
Electrical component
without the core. A ferrite core coil is a variety of coil with a core made of ferrite, a ferrimagnetic ceramic compound. Ferrite coils have lower core
Electromagnetic_coil
Part of a cathode ray tube which moves the electron beam around
deflection yoke. In a television receiver, the deflection coil may include ferrite segments to help direct and concentrate the magnetic field. Dismounted
Deflection_yoke
Combination of various metals
alloy is a combination of various metals from the periodic table such as ferrite that exhibits magnetic properties such as ferromagnetism. Typically the
Magnetic_alloy
Production of voltage by a varying magnetic field
often have magnetic cores made of nonconductive magnetic materials such as ferrite or iron powder held together with a resin binder. Eddy currents occur when
Electromagnetic_induction
Spanish chemist and academic researcher
requires a precise alignment of electron spins. By placing a magnet (nickel zinc ferrite) close to the anode, her group were able to show that the evolution
Núria_López
Mineral supergroup
Fe's are +3, respectively. Trevorite: NiFe2O4 Ulvöspinel: TiFe2O4 Zinc ferrite: (Zn,Fe)Fe2O4 Chromium spinels: Chromite: FeCr2O4 Magnesiochromite: MgCr2O4
Spinel_group
Component used for magnetic tape playback and recording
disk or hard disk. Record heads are constructed of laminated permalloy, ferrite, sendust or magnetoresistive materials. Tape heads and hard disk drive
Tape_head
Laboratory device
thus stirring it. The rotating field may be created either by a rotating magnet or a set of stationary electromagnets, placed beneath the vessel with the
Magnetic_stirrer
Ability of magnetization
The ampere. BIPM. Kales, M. L. (1953). "Modes in Wave Guides Containing Ferrites". Journal of Applied Physics. 24 (5): 604–608. Bibcode:1953JAP....24..604K
Permeability (electromagnetism)
Permeability_(electromagnetism)
Device which uses electromagnetic induction to sense objects
physically a number of turns of insulated magnet wire wound around a high magnetic permeability core, such as a ferrite ceramic rod or coil form, and the winding
Inductive_sensor
Electrical circuit coupling using induction
increased by a magnetic core of a ferromagnetic material like iron or ferrite in the coils, which increases the magnetic flux. The two coils may be physically
Inductive_coupling
Iron ore mineral
iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself. With the exception of extremely rare native
Magnetite
Device put on or in the ears that plays sound
typically composed of ferrite or neodymium. A voice coil, a light coil of wire, is suspended in the magnetic field of the magnet, attached to a diaphragm
Headphones
Electromagnetic coil containing two closely spaced parallel windings
reception magnetics of Ethernet cables and conspicuously in the form of a ferrite bead clamped to the outside of USB, laptop power supply and HDMI cables
Bifilar_coil
Type of particle accelerator
the betatron. The particle beam passes through a series of ring-shaped ferrite cores standing one behind the other, which are magnetized by high-current
Linear_particle_accelerator
Type of read-only memory
would surround a transformer core consisting of a U-shaped and I-shaped ferrite core. The copper wiring would be arranged in a grid-like pattern, with
Transformer_read-only_storage
Captures vibrations produced by musical instruments
more permanent magnets (usually alnico or ferrite) wrapped with a coil of several thousand turns of fine enameled copper wire. The magnet creates a magnetic
Pickup_(music_technology)
Control panel using electrical patch cords
Bloodhound missile, which feature a plugboard programmed by inserting small ferrite rods into slots, in effect creating a read-only core memory by hand. Enigma
Plugboard
Simple radio receiver circuit for AM reception
to tune the circuit. Some modern crystal sets use a ferrite core tuning coil, in which a ferrite magnetic core is moved into and out of the coil, thereby
Crystal_radio
designated radio and aeronautical instrumentation 1930–1945 – Development of Ferrite Materials and their applications 1931 – Invention of Stereo Sound Reproduction
List_of_IEEE_Milestones
Region of a magnetic material in which the magnetization has uniform direction
their alloys, and ferrimagnetic materials like ferrite. This includes the formation of permanent magnets and the attraction of ferromagnetic materials
Magnetic_domain
Iron-based alloy resistant to rust and corrosion
Duplex stainless steels have a mixed microstructure of austenite and ferrite, the ideal ratio being a 50:50 mix, though commercial alloys may have ratios
Stainless_steel
Nickel-iron alloy with high magnetic permeability
similarly in some transformers as a cheaper, less permeable option. Ceramic ferrites are used for similar purposes, and have even higher permeability at high
Mu-metal
American physicist (1922-2010)
National Magnet Laboratory on the MIT campus in Cambridge. In 1965 he convinced H. A. Gebbie of the NPL in the UK to bring to the MIT Magnet Lab a copy
Kenneth_Button_(physicist)
Emerging technology field
Bikramjit; Shivashankar, S; Ghosh, Ambarish (2014). "Conformal cytocompatible ferrite coatings facilitate the realization of a nanovoyager in human blood". Nano
Nanorobotics
Using conductive or magnetic materials to reduce electromagnetic field intensity
great research interest and several new types of nanocomposites made of ferrites, polymers, and 2D materials are being developed to obtain more efficient
Electromagnetic_shielding
Device to couple energy between circuits
and ferrite cores. The lower frequency-dependent losses of these cores often is at the expense of flux density at saturation. For instance, ferrite saturation
Transformer
Vacuum tube used to display images
new yoke. The yoke contains the deflection and convergence coils with a ferrite core to reduce loss of magnetic force as well as the magnetized rings used
Cathode_ray_tube
Type of magnetometer
levels are as low as 3 fT·Hz−1⁄2. For comparison, a typical refrigerator magnet produces 10−2 T, and some processes in animals produce very small magnetic
SQUID
Electric motor with only two poles to its stationary field
powerful materials for permanent magnets, specifically ferrite, became available. Taycol began with simple horseshoe magnet motors, but their real speciality
Bipolar_electric_motor
Type of crystal structure
Cai, Guo-Hong; Greenblatt, Martha; Li, Man-Rong (2017-07-11). "Polar Magnets in Double Corundum Oxides". Chemistry of Materials. 29 (13): 5447–5457
Corundum_(structure)
Oxide compound with cations of multiple elements or different oxidation states
iron) in 1:2 ratio. Other notable examples include red lead Pb3O4, the ferrites, and the yttrium aluminum garnet Y3Al5O12, used in lasers. The term is
Mixed_oxide
Chemical element with atomic number 41 (Nb)
Yoshimitsu; Nishizawa, Makoto; Endo, Shunji, "Method of arc welding with a ferrite stainless steel welding rod", issued 19 October 1993 "Element Facts: Niobium
Niobium
Regular pattern of magnetic moment ordering
Sowjetunion, 4: 675. M. Louis Néel (1948). "Propriétées magnétiques des ferrites; Férrimagnétisme et antiferromagnétisme" (PDF). Annales de Physique. 12
Antiferromagnetism
Electronic numeric display device
trochotrons were surrounded by a hollow cylindrical magnet, with poles at the ends. The field inside the magnet had essentially-parallel lines of force, parallel
Nixie_tube
Wave which propagates through a magnetic material
generation limits the linewidths and therefore the quality factors Q of ferrite components used in microwave devices. The reciprocal of the lowest frequency
Spin_wave
Form of magnetism
Bibcode:1999ITM....35.4423W. doi:10.1109/20.809134. Superparamagnetism of Co-Ferrite Nanoparticles Powerpoint presentation on Superparamagnetism in pdf Archived
Superparamagnetism
Diode that emits light from an organic compound
'blade-like' TV is as thin as four credit cards and hangs on the walls using just magnets". Wired. ISSN 1059-1028. Retrieved 15 June 2026. "LG's rollable OLED TV
OLED
Model of magnetic hysteresis
A. (2003). "Magnetoelastic Villari effect in high-permeability Mn-Zn ferrites and modeling of this effect". Journal of Magnetism and Magnetic Materials
Jiles–Atherton_model
German materials scientist (born 1965)
2011). "Deformation and fracture mechanisms in fine- and ultrafine-grained ferrite/martensite dual-phase steels and the effect of aging". Acta Materialia
Dierk_Raabe
Temperature above which magnetic properties change
(paramagnetic, Figure 2) at the Curie temperature. Higher temperatures make magnets weaker, as spontaneous magnetism only occurs below the Curie temperature
Curie_temperature
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FERRITE MAGNET
FERRITE MAGNET
Surname or Lastname
English
English : variant spelling of Perrett.
Female
French
Feminine form of French Perrin, PERRINE means "rock, stone."
Boy/Male
Irish
Brave man.
Surname or Lastname
English (southern counties)
English (southern counties) : nickname from Middle English ferette, fyrette ‘ferret’, literally ‘little thief’ (Old French fuiret, furet).
Surname or Lastname
English
English : habitational name from Merriott in Somerset, named in Old English as ‘boundary gate’ or ‘mare gate’, from (ge)mǣre ‘boundary’ or miere ‘mare’ + geat ‘gate’.English : variant (as a result of hypercorrection) of Marriott, or of Marryat, which is from a Middle English personal name, Meryet, Old English Mǣrgēat, composed of the element mǣr ‘boundary’ + the tribal name Gēat (see Joslin).
Female
English
English pet form of Spanish Teresa, TERRIE means "harvester."
Boy/Male
Dutch English
rules by the spear.
Girl/Female
Teutonic Hungarian
Free.
Male
English
English surname transferred to unisex forename use, from the Old English term moere gaet, MERRITT means "boundary gate."Â
Girl/Female
British, English, Latin
Little Famous One
Girl/Female
Greek
Pearl.
Female
English
Variant spelling of English Jerry, JERRIE means "spear ruler."
Male
English
Pet form of English Ferdinand, FERDIE means "ardent for peace."
Male
English
Variant spelling of English unisex Kerry, KERRIE means "Ciar's people."Â
Boy/Male
Australian, Dutch
Rules by the Spear
Male
German
Low German form of Old High German Gerhard, GERRIT means "spear strong."
Surname or Lastname
English
English : habitational name from a place in West Sussex, so named from the Old English personal name Fēra + -ingas ‘people of’, ‘family of’, or ‘followers of’.
Boy/Male
American, British, English, French
Little Famous One; Deserving
Surname or Lastname
Irish and Scottish
Irish and Scottish : reduced Anglicized form of Irish Ó Fearghuis or Ó Fearghasa ‘descendant of Fearghus’, or from the Scottish-Gaelic form of this personal name, Fearghus (see Fergus).English : variant of Farrar.
Male
English
Pet form of English Fergus, FERGIE means "strong-man."
FERRITE MAGNET
FERRITE MAGNET
FERRITE MAGNET
FERRITE MAGNET
FERRITE MAGNET
FERRITE MAGNET
FERRITE MAGNET
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