Common Magnet Terminology – SolveForce Cloud Computing & Telecommunications

Anisotropy: the property of a material to have a different magnetic properties in different directions.
Antiferromagnetism: a type of magnetism that occurs in materials where the magnetic moments of atoms or ions are aligned in opposite directions, but with no net magnetic moment.
Biomagnetism: The study of the magnetic fields produced by living organisms.
Bullet Point List All Magnet Terminology and Related Definitions.
Coercivity: The magnetic field strength required to reduce the magnetic flux density to zero in a magnetic material.
Diamagnetism: A type of magnetism exhibited by all materials that are not ferromagnetic or paramagnetic. Diamagnetic materials are weakly repelled by a magnet.
Diamagnetism: a type of magnetism that occurs in materials where the magnetic moments of atoms or ions do not align with an external magnetic field, resulting in a weak repulsion of the material from the field.
Earth’s magnetic field: The magnetic field that surrounds the Earth is caused by molten iron’s motion in the Earth’s core.
Electromagnet: A magnet that is created by an electric current flowing through a wire.
Electron paramagnetic resonance (EPR) or Electron spin resonance (ESR): a method of physical observation that uses electromagnetic waves to probe the magnetic properties of certain materials, particularly those with unpaired electrons.
Ferrimagnetism: a type of magnetism that occurs in materials where the magnetic moments of atoms or ions are aligned in opposite directions, resulting in a net magnetic moment.
Ferrimagnetism: a type of magnetism where there are two sublattices with opposite magnetization.
Ferroelasticity: a type of elasticity that occurs in materials where the crystal lattice is deformed in a particular direction, resulting in a net elastic deformation.
Ferroelectricity: a type of electric polarization that occurs in materials where the electric dipoles align in the same direction, resulting in a net electric polarization.
Ferroic domain actuator: a type of actuator that uses the alignment of electric, magnetic, or elastic dipoles in a material to produce motion or force.
Ferroic domain computing: a type of computing that uses the alignment of electric, magnetic, or elastic dipoles in a material as the basic unit of data storage and processing.
Ferroic domain dynamics: the study of the time evolution of ferroic domains in a material.
Ferroic domain engineering: the process of manipulating the ferroic domain structure in a material to achieve specific properties or functionality.
Ferroic domain logic: a type of logic that uses the alignment of electric, magnetic, or elastic dipoles in a material as the switching elements.
Ferroic domain memory: a type of memory that uses the alignment of electric, magnetic, or elastic dipoles in a material to store data.
Ferroic domain sensor: a type of sensor that uses the alignment of electric, magnetic, or elastic dipoles in a material to detect changes in the environment.
Ferroic domain structure: the arrangement of ferroic domains in a material.
Ferroic domain switching: the process of changing the alignment of electric, magnetic, or elastic dipoles in a material by moving the ferroic domains.
Ferroic domain technology: a branch of technology that studies the manipulation and control of the alignment of electric, magnetic, or elastic dipoles in a material.
Ferroic domain topology: the topological properties of the ferroic domain structure in a material, such as the presence of protected surface or edge states.
Ferroic domain wall: a boundary between two regions in a material where the electric, magnetic, or elastic dipoles are aligned in different directions.
Ferroic domain: a region in a material where the electric, magnetic, or elastic dipoles are aligned in a particular direction.
Ferroic order: the alignment of electric, magnetic, or elastic dipoles in a material.
Ferroic phase transition: a phase transition in a material that is characterized by a change in the alignment of electric, magnetic, or elastic dipoles.
Ferromagnetism: A type of magnetism that is exhibited by certain materials, such as iron, nickel, and cobalt, that can be magnetized to a high degree and retain their magnetism for long periods of time.
Ferromagnetism: a type of magnetism that occurs in materials where the magnetic moments of atoms or ions are aligned in the same direction, resulting in a net magnetic moment.
Geomagnetic storm: A disturbance in the Earth’s magnetic field caused by solar activity.
Giant magnetoresistance (GMR): a phenomenon where the resistance of a material changes significantly when a magnetic field is applied, due to the alignment of the magnetic moments in the material.
Halbach array: an arrangement of permanent magnets that enhances the magnetic field on one side while canceling it on the other side.
Hard magnet: A magnet that retains its magnetism for a long time and is difficult to demagnetize.
Hysteresis actuator: a type of actuator that uses the hysteresis loop of a material to produce motion or force.
Hysteresis amplifier: a device that uses the hysteresis loop of a material to amplify signals.
Hysteresis compensation: the process of reducing the hysteresis loss in a material.
Hysteresis computing: a type of computing that uses the hysteresis loop of a material as the basic unit of data storage and processing.
Hysteresis filter: a device that uses the hysteresis loop of a material to filter signals.
Hysteresis logic: a type of logic that uses the hysteresis loop of a material as the switching elements.
Hysteresis loop: a plot of the response of a material to an external field as a function of the field, with a loop-like shape due to hysteresis.
Hysteresis loss: the energy loss due to hysteresis in a material.
Hysteresis memory: a type of memory that uses the hysteresis loop of a material to store data.
Hysteresis sensor: a type of sensor that uses the hysteresis loop of a material to detect changes in the environment.
Hysteresis technology: a branch of technology that studies the manipulation and control of the hysteresis loop in a material.
Hysteresis: a phenomenon in which the response of a material to an external field depends on the history of the field, characterized by a hysteresis loop in the field-response plot.
Hysteresis: The lag in the response of a magnetic material to changes in the magnetizing field.
Hysteresis-based logic gates: a type of logic gates that use the hysteresis loop of a material as the switching elements.
I apologize, but I have reached the end of the list of magnetic anisotropy related terms and definitions. If you have any specific question regarding magnetic anisotropy or other magnetism related topics, please let me know and I’ll do my best to help you.
Magnetic anisotropy amplifier: a device that uses the magnetic anisotropy of a material to amplify signals.
Magnetic anisotropy axis: the direction in which the magnetic anisotropy is strongest in a material.
Magnetic anisotropy based actuator: a type of actuator that uses the magnetic anisotropy of a material to produce motion or force.
Magnetic anisotropy based actuators: actuators that use magnetic anisotropy to produce motion or force.
Magnetic anisotropy based communication devices: devices that use magnetic anisotropy to transmit information.
Magnetic anisotropy based communication elements: elements that use magnetic anisotropy to transmit information.
Magnetic anisotropy based communication: a method of communication that uses the magnetic anisotropy of a material to transmit information.
Magnetic anisotropy based computing: a type of computing that uses the magnetic anisotropy of a material as the basic unit of data storage and processing.
Magnetic anisotropy based data processing devices: devices that use magnetic anisotropy to process data.
Magnetic anisotropy based data processing: the use of magnetic anisotropy in materials for data processing applications.
Magnetic anisotropy based data storage devices: devices that use magnetic anisotropy to store data.
Magnetic anisotropy based data storage: the use of magnetic anisotropy in materials for data storage applications.
Magnetic anisotropy based devices: any device that uses magnetic anisotropy to perform a specific function.
Magnetic anisotropy based energy conversion devices: devices that convert one form of energy to another using magnetic anisotropy.
Magnetic anisotropy based energy harvesting devices: devices that harvest energy from their environment using magnetic anisotropy.
Magnetic anisotropy based logic gates devices: logic gates that use magnetic anisotropy as the switching elements.
Magnetic anisotropy based logic gates elements: logic gates elements that use magnetic anisotropy as the switching elements.
Magnetic anisotropy based logic gates: a type of logic gates that use the magnetic anisotropy of a material as the switching elements.
Magnetic anisotropy based memory devices: memory devices that use magnetic anisotropy to store data.
Magnetic anisotropy based memory elements: memory elements that use magnetic anisotropy to store data.
Magnetic anisotropy based memory: a type of memory that uses the magnetic anisotropy of a material to store data.
Magnetic anisotropy based power generation devices: devices that generate power using magnetic anisotropy.
Magnetic anisotropy based refrigeration devices: devices that use magnetic anisotropy to cool a system.
Magnetic anisotropy based sensor: a type of sensor that uses the magnetic anisotropy of a material to detect changes in the environment.
Magnetic anisotropy based sensors: sensors that use magnetic anisotropy to detect changes in the environment.
Magnetic anisotropy based signal processing devices: devices that use magnetic anisotropy to process signals.
Magnetic anisotropy based signal processing elements: elements that use magnetic anisotropy to process signals.
Magnetic anisotropy based signal processing: a technique that uses the magnetic anisot
Magnetic anisotropy based signal processing: a technique that uses the magnetic anisotropy of a material to process signals.
Magnetic anisotropy based spintronics devices: devices that use magnetic anisotropy in spintronics applications.
Magnetic anisotropy based spintronics elements: elements that use magnetic anisotropy in spintronics applications.
Magnetic anisotropy based spintronics: the study of the manipulation of magnetic anisotropy in materials for spintronic applications.
Magnetic anisotropy based technology: a branch of technology that studies the manipulation and control of magnetic anisotropy in materials.
Magnetic anisotropy based transducers: devices that convert one form of energy to another using magnetic anisotropy.
Magnetic anisotropy constant: a measure of the strength of the magnetic anisotropy in a material.
Magnetic anisotropy dynamics: the study of the time evolution of the magnetic anisotropy in a material.
Magnetic anisotropy energy (MAE): the energy difference between different orientations of the magnetic moments in a material.
Magnetic anisotropy energy: the energy associated with the variation of magnetic properties in different directions in a material.
Magnetic anisotropy engineering: the process of manipulating the magnetic anisotropy in a material to achieve specific properties or functionality.
Magnetic anisotropy field: the magnetic field required to change the magnetic anisotropy axis in a material.
Magnetic anisotropy filter: a device that uses the magnetic anisotropy of a material to filter signals.
Magnetic anisotropy imaging: the process of using magnetic anisotropy to create images of the magnetic properties of a sample.
Magnetic anisotropy manipulation: the process of controlling the magnetic anisotropy in a material.
Magnetic anisotropy measurement: the process of determining the magnetic anisotropy of a material.
Magnetic anisotropy microscopy: a technique that uses the magnetic anisotropy to probe the magnetic properties of a material at the microscopic level.
Magnetic anisotropy spectroscopy: a technique that uses the magnetic anisotropy to probe the magnetic properties of a material over a range of frequencies.
Magnetic anisotropy switching: the process of changing the magnetic anisotropy axis in a material by applying an external magnetic field.
Magnetic anisotropy: the variation of magnetic properties in different directions in a material.
Magnetic bearings: Bearings that use magnetic fields to levitate a moving object, reducing friction and wear.
Magnetic circular birefringence (MCB): the phenomenon where the plane of polarization of linearly polarized light rotates as it passes through a magnetic material.
Magnetic circular dichroism (MCD) imaging: the process of using magnetic circular dichroism to create images of the magnetic properties of a sample.
Magnetic circular dichroism (MCD) spectroscopy: a spectroscopic technique that uses the difference in absorption of left and right circularly polarized light to probe the magnetic properties of a material.
Magnetic circular dichroism (MCD): a spectroscopic technique that uses the difference in absorption of left and right circularly polarized light to probe the magnetic properties of a material.
Magnetic circular dichroism spectroscopy (MCDS): a technique that uses the difference in absorption of left and right circularly polarized light to probe the magnetic properties of a material.
Magnetic confinement device: a device that uses magnetic fields to confine a plasma or other charged particles.
Magnetic confinement fusion reactor: a device that uses magnetic fields to confine a plasma in order to achieve nuclear fusion.
Magnetic confinement fusion: A method of producing nuclear fusion using a magnetic field to confine the plasma.
Magnetic confinement: The use of a magnetic field to confine a plasma or other charged particles.
Magnetic declination: The angle between magnetic north and true north.
Magnetic dip: The angle between the horizontal plane and the Earth’s magnetic field.
Magnetic domain: a region within a ferromagnetic material where the atoms are aligned in the same direction.
Magnetic field therapy: the use of electromagnetic fields to treat various medical conditions such as pain, inflammation and osteoarthritis.
Magnetic field: A region surrounding a magnet or electric current in which a magnetic force can be detected.
Magnetic flux density (magnetic field strength): The amount of magnetic flux per unit area.
Magnetic flux: The flow of the magnetic field through a given area.
Magnetic force microscopy (MFM) imaging: the process of using magnetic force microscopy to create images of the magnetic properties of a sample.
Magnetic force microscopy (MFM): a technique that uses a magnetic tip to image the magnetic properties of a sample.
Magnetic force microscopy (MFM): A type of scanning probe microscopy that uses a magnetic tip to image the magnetic properties of a sample.
Magnetic hyperthermia: a method of treating cancer using magnetic nanoparticles that can be heated by an alternating magnetic field to kill cancer cells.
Magnetic levitation train: A train that uses magnetic levitation to float above the track, reducing friction and allowing for high speeds.
Magnetic levitation transport: A form of transportation that uses magnetic levitation to lift vehicles above the ground and move them at high speeds.
Magnetic levitation: The process of using a magnetic field to levitate an object.
Magnetic material: A substance that can be magnetized and that has the ability to strongly attract or repel other magnets.
Magnetic meridian: An imaginary line that runs from the Earth’s magnetic north pole to its magnetic south pole.
Magnetic multilayer: a stack of different magnetic layers with varying properties.
Magnetic nanoparticles: tiny particles with magnetic properties, which have potential applications in medicine, biology, and materials science.
Magnetic north: The direction that a compass needle points, which is not the same as true north.
Magnetic particle imaging (MPI): a medical imaging technique that uses magnetic nanoparticles and a magnetic field to create images of the distribution of these particles in the body.
Magnetic particle inspection (MPI): A non-destructive testing method that uses magnetic fields and iron particles to detect surface and subsurface defects in ferromagnetic materials such as steel.
Magnetic particle inspection (MPI): A non-destructive testing method that uses magnetic fields and iron particles to detect surface and subsurface defects in ferromagnetic materials.
Magnetic permeability: a measure of the ease with which a material can be magnetized by an external magnetic field.
Magnetic pole: A point on a magnet where the magnetic field is strongest. Opposite poles (north and south) attract, while the same poles repel.
Magnetic random access memory (MRAM): a type of non-volatile memory that stores data using magnetic fields instead of electrical charge.
Magnetic random access memory (MRAM): a type of non-volatile memory that uses magnetic tunnel junctions to store data.
Magnetic reconnection: a process in which the magnetic field lines of opposing magnetic fields break and reconnect, releasing a large amount of energy.
Magnetic refrigerant: A material that can be magnetically cooled.
Magnetic refrigeration: A method of refrigeration that uses a magnetic field to change the temperature of a material.
Magnetic resonance elastography (MRE): a medical imaging technique that uses magnetic resonance imaging (MRI) and mechanical vibrations to create images of the mechanical properties of tissue.
Magnetic resonance force microscopy (MRFM): a type of scanning probe microscopy that uses magnetic resonance to detect the position of a magnetic tip with high sensitivity.
Magnetic resonance imaging (MRI): A medical imaging technique that uses a magnetic field and radio waves to create detailed images of the inside of the body.
Magnetic shielding: The process of using a magnetic material to block or redirect a magnetic field.
Magnetic skyrmion lattice: a periodic arrangement of magnetic skyrmions.
Magnetic skyrmion: a type of magnetic texture formed by a twisted arrangement of the spins of electrons in a material.
Magnetic skyrmion-based computing: a type of computing that uses magnetic skyrmions as the basic unit of data storage and processing.
Magnetic skyrmion-based logic: a type of logic that uses magnetic skyrmions as the switching elements.
Magnetic skyrmion-based memory: a type of memory that uses magnetic skyrmions as the storage unit.
Magnetic storage: The process of using magnetic materials to store data in computers and other electronic devices.
Magnetic susceptibility anisotropy (MSA): the variation of the magnetic susceptibility of a material in different directions.
Magnetic susceptibility anisotropy energy: the energy associated with the variation of magnetic susceptibility in different directions in a material.
Magnetic susceptibility anisotropy: the variation of magnetic susceptibility in different directions in a material.
Magnetic susceptibility based actuator: a type of actuator that uses the magnetic susceptibility of a material to produce motion or force.
Magnetic susceptibility based communication: a method of communication that uses the magnetic susceptibility of a material to transmit information.
Magnetic susceptibility based sensor: a type of sensor that uses the magnetic susceptibility of a material to detect changes in the environment.
Magnetic susceptibility based signal processing: a technique that uses the magnetic susceptibility of a material to process signals.
Magnetic susceptibility based technology: a branch of technology that studies the manipulation and control of magnetic susceptibility in materials.
Magnetic susceptibility imaging (MSI): a medical imaging technique that uses magnetic susceptibility to create images of the tissue.
Magnetic susceptibility imaging: the process of using magnetic susceptibility to create images of the magnetic properties of a sample.
Magnetic susceptibility measurement: the process of determining the magnetic susceptibility of a material.
Magnetic susceptibility microscopy: a technique that uses magnetic susceptibility to probe the magnetic properties of a sample at the microscopic level.
Magnetic susceptibility spectroscopy: a technique that uses magnetic susceptibility to probe the magnetic properties of a sample over a range of frequencies.
Magnetic susceptibility tensor: a mathematical representation of the magnetic susceptibility of a material in multiple dimensions.
Magnetic susceptibility: a measure of the degree to which a material can be magnetized by an external magnetic field.
Magnetic susceptibility: a measure of the degree to which a material can be magnetized in response to an external magnetic field.
Magnetic therapy: The use of magnetic fields to treat various medical conditions such as pain, inflammation and osteoarthritis.
Magnetic topological defect: a defect in the magnetic structure of a material that leads to a change in its topological properties.
Magnetic topological insulator: a type of material that has a insulating bulk but conductive edges or surfaces, due to the presence of a topological state in the magnetic structure.
Magnetic topological material: a material that has a topological state in the magnetic structure, which leads to unique electronic properties such as the presence of protected surface or edge states.
Magnetic topological phase transition: a change in the magnetic structure of a material that leads to a change in its topological properties, resulting in a transition between different types of topological materials.
Magnetic topological semimetal: a type of material that has a metallic bulk but also has a topological state in the magnetic structure, leading to unique electronic properties such as the presence of protected surface or edge states.
Magnetic tunnel junction (MTJ): a type of junction that uses a thin barrier of insulating material between two magnetic layers to allow for the control of the resistance by manipulating the relative alignment of the magnetic moments in the layers.
Magnetometer: A device that measures the strength and direction of a magnetic field.
Magnetoreception: The ability of some animals to sense magnetic fields, which they use for navigation and other purposes.
Magnetotactic bacteria: Bacteria that use magnetosomes, which are tiny magnetic particles, to orient themselves in the Earth’s magnetic field.
Nuclear magnetic resonance (NMR): a method of physical observation in which nuclei in a strong constant magnetic field are perturbed by a weak oscillating field and respond by producing an electromagnetic signal with a frequency characteristic of the magnetic field at the nucleus.
Paramagnetism: A type of magnetism exhibited by certain materials, such as aluminum and platinum, that are weakly attracted to a magnet.
Paramagnetism: a type of magnetism that occurs in materials where the magnetic moments of atoms or ions align with an external magnetic field, resulting in a weak attraction of the material to the field.
Permanent magnet: A magnet that retains its magnetism after the magnetizing force is removed.
Permeability: The ability of a material to support the formation of a magnetic field within itself.
Precession based memory: a type of memory that uses the precession of magnetization to store data.
Precession dynamics: the study of the time evolution of the precession of magnetization in a material.
Precession frequency: the frequency at which the magnetic moments of atoms or ions in a material rotate around the precession axis.
Precession of magnetization: a phenomenon in which the magnetic moments of atoms or ions in a material rotate around an axis that is not parallel to the magnetic field.
Precession spectroscopy: a technique that uses the precession of magnetization to probe the magnetic properties of a material.
Precession: a phenomenon in which the axis of rotation of a spinning object changes over time.
Precession-based actuator: a type of actuator that uses the precession of magnetization to produce motion or force.
Precession-based communication: a method of communication that uses the precession of magnetization to transmit information.
Precession-based computing: a type of computing that uses the precession of magnetization as the basic unit of data storage and processing.
Precession-based logic: a type of logic that uses the precession of magnetization as the switching elements.
Precession-based sensor: a type of sensor that uses the precession of magnetization to detect environmental changes.
Precession-based signal processing: a technique that uses the precession of magnetization to process signals.
Precession-based technology: a branch of technology that studies the manipulation and control of the precession of magnetization in a material.
Proximity sensor: A sensor that uses a magnetic field to detect the presence of nearby objects.
Remanence: The magnetic flux density remains in a magnetic material after removing the magnetizing force.
Ron Legarski Electromagnetism: General Electrician and Telecommunications Agent at SolveForce.com.
Ron Legarski Magnet: Electromagnetic Telecommunications Specialist at SolveForce.com.
Soft magnet: A magnet that can be easily demagnetized.
Solar wind: a stream of charged particles emitted by the sun that can interact with the Earth’s magnetic field, causing auroras and other phenomena.
Spin Hall effect (SHE): a phenomenon where a spin-polarized current generates a transverse voltage, which can be used to manipulate the magnetic state of a material.
Spin orbit torque (SOT): a mechanism by which the spin of electrons in a material can be manipulated using an electric field, allowing for the manipulation of the magnetic state of a material.
Spin-filter: a device that uses spin-polarized transport to separate electrons with different spin orientations.
Spin-glass computing: a type of computing that uses the spin-glass state as the basic unit of data storage and processing.
Spin-glass correlation: the degree of correlation between the orientations of the magnetic moments in the spin-glass state.
Spin-glass disorder: the degree of disorder in the spin-glass state.
Spin-glass dynamics: the study of the time evolution of the spin-glass state.
Spin-glass memory: a type of memory that uses the spin-glass state to store data.
Spin-glass order: the degree of long-range order in the spin-glass state.
Spin-glass sensor: a type of sensor that uses the spin-glass state to detect changes in magnetic field or temperature.
Spin-glass state: a state of a magnetic material in which the magnetic moments are frozen in random orientations.
Spin-glass susceptibility: the degree to which a material can be driven into the spin-glass state by an external magnetic field.
Spin-glass technology: a branch of technology that studies the manipulation and control of the spin-glass state in magnetic materials.
Spin-glass thermodynamics: the study of the thermodynamic properties of the spin-glass state.
Spin-glass transition: a transition in a magnetic material from a paramagnetic state to a spin-glass state.
Spin-glass: a type of magnetic material in which the magnetic moments are frozen in random orientations.
Spin-Hall effect: a phenomenon in which a spin-polarized current can generate a transverse voltage, which can be used to manipulate the magnetic state of a material.
Spin-Hall magnetoresistance (SMR): a phenomenon where the resistance of a material changes significantly when a magnetic field is applied, due to the spin-Hall effect.
Spin-orbit coupling: a phenomenon in which the spin of an electron is affected by its motion through an electric or magnetic field.
Spin-orbit torque (SOT): a mechanism by which the spin of electrons in a material can be manipulated using an electric field, allowing for the manipulation of the magnetic state of a material.
Spin-polarized current: an electric current in which the electrons have a preferred spin direction.
Spin-polarized transport: the movement of electrons with a preferred spin direction through a material.
Spin-pumping: a phenomenon in which a spin-polarized current is generated by the precession of the magnetic moments in a material.
Spin-Seebeck effect: a phenomenon in which a temperature gradient can generate a spin-polarized current, which can be used to manipulate the magnetic state of a material.
Spin-torque: a mechanism by which the spin of electrons in a material can be manipulated using an electric current, allowing for the manipulation of the magnetic state of a material.
Spin-transfer torque (STT): a mechanism by which the spin of electrons in a material can be manipulated using an electric current, allowing for the manipulation of the magnetic state of a material.
Spintronics: a branch of electronics that studies the manipulation and control of the spin of electrons in materials, with potential applications in data storage, sensing, and computing.
Spin-valve sensor: a type of sensor that uses a magnetic multilayer structure to detect changes in magnetic field or temperature by measuring the resistance of the device.
Spin-valve: a type of magnetic multilayer structure that can be used to control the resistance by manipulating the relative alignment of the magnetic moments in the layers.
Spin-wave communication: a method of communication that uses spin-waves to transmit information.
Spin-wave computing: a type of computing that uses spin-waves as the basic unit of data storage and processing.
Spin-wave logic: a type of logic that uses spin-waves as the switching elements.
Spin-wave memory: a type of memory that uses spin-waves to store data.
Spin-wave signal processing: a technique that uses spin-waves to process signals.
Spin-wave spectroscopy: a technique that uses spin-waves to probe the magnetic properties of a material.
Spin-wave technology: a branch of technology that studies the manipulation and control of spin-waves in magnetic materials.
Spin-wave: a wave of precession of the magnetic moments in a material.
Superconducting magnet: A magnet that uses superconducting wire, which has zero electrical resistance, to create a strong magnetic field.
Susceptibility: The degree to which a material can be magnetized by an external magnetic field.
Tunneling magnetoresistance (TMR): a phenomenon where the resistance of a magnetic tunnel junction changes significantly when a magnetic field is applied, due to the alignment of the magnetic moments in the layers.