Phys. Rev. Lett. 66, 3060–3063 (1991)Perpendicular giant magnetoresistances of Ag/Co multilayersReceived 11 April 1991; published in the issue dated 10 June 1991 We present measurements at 4.2 K of the magnetoresistance (MR) measured with the current perpendicular to the layer planes (CPP) of equal and unequal thickness Ag/Co magnetic multilayers that display giant MR measured with the current in the layer planes (CIP). For Ag layer thicknesses from 2 to 60 nm, and Co thicknesses from 6 to 15 nm, the CPP MR extends up to nearly 50% and ranges from 3 times to more than 10 times as large as the CIP MR for the same samples. © 1991 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.66.3060
DOI:
10.1103/PhysRevLett.66.3060
PACS:
72.10.Fk, 72.15.Gd, 75.50.Rr
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