Giant Magnetic Tunneling Effect in 81NiFe/A1<suB>2</suB>O<suB>3</suB>/Fe Junction

Chin. Phys. Lett.

1997, Vol. 14

Issue (3): 213-216 DOI:

Original Articles

Giant Magnetic Tunneling Effect in 81NiFe/A1₂O₃/Fe Junction

CHEN Hui-yu;FENG Yong-jia;SU Chang

Department of Physics, University of Science and Technology of China, Hefei 230026

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CHEN Hui-yu, FENG Yong-jia, SU Chang 1997 Chin. Phys. Lett. 14 213-216

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Abstract A new effect, spin-polarized magnetovoltage (MV) effect, is observed in an 81NiFe/A1₂O₃/Fe junctions with cross-strip-electrode configuration. When one ferromagnetic electrode carries current, a voltage can be found between the ends of the other ferromagnetic electrode, and it varies with the magnetization process of the two ferromagnetic electrodes. The MV ratio, which is much larger than the magnetoresistance ratio for the same junction, has reached 53% at room temperature.

Keywords: 73.40.Rw 75.80.+q 75.70.Ak

Published: 01 March 1997

PACS:	73.40.Rw	(Metal-insulator-metal structures)
	75.80.+q	(Magnetomechanical effects, magnetostriction)
	75.70.Ak	(Magnetic properties of monolayers and thin films)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I3/0213

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