Anomalous field dependence of magnetoresistance in Fe/Gd multilayered ferrimagnets

Journal Article · Mon Oct 30 00:00:00 EST 1989 · Applied Physics Letters; (USA)

DOI:https://doi.org/10.1063/1.102277· OSTI ID:5266822

Kamiguchi, Y; Hayakawa, Y; Fujimori, H ^[1]

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1. Institute for Materials Research, Tohoku University, Sendai 980, Japan (JP)

The magnetoresistance of Fe/Gd ferrimagnetic multilayered films prepared by sputtering was investigated. The longitudinal magnetoresistance {rho}{sub {ital l}} increases first, followed by a deep decrease, and then increases again, with an increasing applied field. The transverse magnetoresistance {rho}{sub {ital t}} behaves in an opposite manner such that {rho}{sub {ital l}} and {rho}{sub {ital t}} play a crossover at an intermediate field. This new type of field dependence of {rho}{sub {ital l}} and {rho}{sub {ital t}} can be explained in terms of the spin flop of artificial ferrimagnetism which gives rise to an anomalous up-turn curve in magnetization versus field.

• OSTI ID: 5266822
• Journal Information: Applied Physics Letters; (USA), Vol. 55:18; ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
GADOLINIUM
MAGNETORESISTANCE
IRON
EXPERIMENTAL DATA
FERRIMAGNETIC MATERIALS
LAYERS
MAGNETIC FIELDS
MAGNETIZATION
THIN FILMS
DATA
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
FILMS
INFORMATION
MAGNETIC MATERIALS
MATERIALS
METALS
NUMERICAL DATA
PHYSICAL PROPERTIES
RARE EARTHS
TRANSITION ELEMENTS
360104* - Metals & Alloys- Physical Properties