An asymmetrical magneto-impedance (MI) effect in almost zero magnetostrictive amorphous wires is obtained frequency current biased with a de current. A highly sensitive MI characteristic showing a field detection sensitivity of more than 100 %/Oe was realized in the wire annealed with 450 turn/m torsion at 500 "c, inducing a spiral anisotropy. The change of the torsion direction.from clockwise to anti-clockwise inverts the asymmetrical MI effect. A sensitive linear field sensor is R Edc using torsion annealing and then magnetizing with a high 3 Iec+Ido successfully constructed using a pair of the asymmetrical MI heads without bias coils. Fig, 1 Cirouit for measuring the induced Wire voltage Ew.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.