Planarmagnetiske

Planarmagnetiske is a Norwegian term describing phenomena, devices, or configurations in which magnetic fields or magnetization are confined to, or predominantly lie in, a plane (two-dimensional). The concept is used across physics, engineering, and materials science to denote planar magnetic geometries that enable simplified modeling, manufacturing, or improved performance.

In materials science and manufacturing, planarmagnetiske configurations include planar magnetron systems, where a flat target is coated with magnetic field traps formed by magnets arranged behind the target surface. The magnetic field concentrates plasma near the target, increasing deposition rates and enabling uniform thin-film coatings over large areas.

In sensing and actuation, planarmagnetiske devices refer to sensors and actuators whose active magnetic elements lie in a single plane. Examples include planar Hall effect sensors and magnetoresistive sensors, where the sensing or actuation mechanism is optimized for in-plane magnetic fields. Planar magnets are also used in compact electric machines and magnetic couplings that rely on two-dimensional field patterns.

In research, two-dimensional or planar magnetic materials and patterns are studied to understand fundamental spin interactions, domain structures, and 2D magnetism, with potential applications in data storage and spintronics.

Key advantages of planarmagnetiske designs include simplified geometry, ease of integration into flat substrates, and potential for uniform field distribution over large areas. Challenges include achieving precise three-dimensional field control, thermal management, and ensuring uniform coating or sensing performance.

See also: magnetism, magnetron sputtering, Hall effect, magnetoresistance, 2D materials.