Observation and analysis of breakdown of magnetic tunnel junctions

W. Oepts; H.J. Verhagen; D.B. Mooij, de; V. Zieren; R. Coehoorn; W.J.M. Jonge, de

doi:10.1016/S0304-8853(98)01048-8

Observation and analysis of breakdown of magnetic tunnel junctions

W. Oepts, H.J. Verhagen, D.B. Mooij, de, V. Zieren, R. Coehoorn, W.J.M. Jonge, de

Physics of Nanostructures

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Abstract

At voltages larger than 1.2 V Co/Al2O3/Co(–Fe) magnetic tunnel junctions show almost immediate breakdown, leading to a decrease in (magneto) resistance. The position of the shorts formed is visualized by making use of a liquid crystal film on top of the junction. The breakdown voltages of a series of nominally identical junctions measured in a voltage-ramp experiment increased with larger ramp rate. The extrapolated lifetime, at lower voltages, is evaluated.

Original language	English
Pages (from-to)	164-166
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	198/99
Issue number	1-3
DOIs	https://doi.org/10.1016/S0304-8853(98)01048-8
Publication status	Published - 1999

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title = "Observation and analysis of breakdown of magnetic tunnel junctions",

abstract = "At voltages larger than 1.2 V Co/Al2O3/Co(–Fe) magnetic tunnel junctions show almost immediate breakdown, leading to a decrease in (magneto) resistance. The position of the shorts formed is visualized by making use of a liquid crystal film on top of the junction. The breakdown voltages of a series of nominally identical junctions measured in a voltage-ramp experiment increased with larger ramp rate. The extrapolated lifetime, at lower voltages, is evaluated.",

author = "W. Oepts and H.J. Verhagen and {Mooij, de}, D.B. and V. Zieren and R. Coehoorn and {Jonge, de}, W.J.M.",

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AU - Oepts, W.

AU - Verhagen, H.J.

AU - Mooij, de, D.B.

AU - Zieren, V.

AU - Coehoorn, R.

AU - Jonge, de, W.J.M.

PY - 1999

Y1 - 1999

N2 - At voltages larger than 1.2 V Co/Al2O3/Co(–Fe) magnetic tunnel junctions show almost immediate breakdown, leading to a decrease in (magneto) resistance. The position of the shorts formed is visualized by making use of a liquid crystal film on top of the junction. The breakdown voltages of a series of nominally identical junctions measured in a voltage-ramp experiment increased with larger ramp rate. The extrapolated lifetime, at lower voltages, is evaluated.

AB - At voltages larger than 1.2 V Co/Al2O3/Co(–Fe) magnetic tunnel junctions show almost immediate breakdown, leading to a decrease in (magneto) resistance. The position of the shorts formed is visualized by making use of a liquid crystal film on top of the junction. The breakdown voltages of a series of nominally identical junctions measured in a voltage-ramp experiment increased with larger ramp rate. The extrapolated lifetime, at lower voltages, is evaluated.

U2 - 10.1016/S0304-8853(98)01048-8

DO - 10.1016/S0304-8853(98)01048-8

M3 - Article

SN - 0304-8853

VL - 198/99

SP - 164

EP - 166

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

IS - 1-3

ER -

Observation and analysis of breakdown of magnetic tunnel junctions

Abstract

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