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Anisotropic Magnetoresistance (AMR) Sensor — 2D

Rotate an external field over a thin ferromagnetic strip in 2D and watch its electrical resistance follow the AMR law R(theta) = R_perp + (R_par - R_perp) cos^2(theta), traced live on a resistance-vs-angle plot.

Physics & Mechanics2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

Details

CategoryPhysics & Mechanics

RenderingCanvas 2D

DifficultyModerate

Target FPS60

ControlsField angle slider, field strength slider, material selector (permalloy/cobalt/iron), sense-current slider, auto-sweep toggle that rotates the field continuously, and a Clear R(θ) trace button; a live 2D panel shows the strip, current-carrier flow, magnetization/field vectors and a resistance-vs-field-angle plot tracing the cos² curve as you sweep.

spintronicsmagnetoresistanceAMRsensorsferromagnetismspin-orbit coupling

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Rotate an external magnetic field over a thin ferromagnetic strip and watch its electrical resistance follow the AMR law R(theta) = R_perp + (R_par - R_perp) cos^2(theta), the spin-orbit scattering effect behind electronic compasses, wheel-speed sensors and early hard-drive read heads.

⚙ Under the hood

spintronicsmagnetoresistanceAMRsensorsferromagnetismspin-orbit coupling

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install