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Thin Film Manganite-Metal Interconnection and "Loop Effect" Studies in CMR-Based High Magnetic Field Sensors

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Balevičius S., Stankevič V., Žurauskienė N., Šimkevičius Č., Liebfried O., Löffler M., Schneider M., Abrutis A., Plaušinaitienė V.

Acta Physica Polonica A

2009

vol. 115

issue 6

1133-1135

The design, technology and main characteristics of Ag contacts as well as "loop effect" peculiarities of colossal magnetoresistance B-scalar high magnetic field sensor based on La_{1-x}(Ca)Sr_x MnO_3 films used for measuring high magnetic field pulses are presented.

Magneto- and Electroresistance of Ultrathin Anisotropically Strained La-Sr-MnO Films

100%

Balevičius S., Stankevič V., Žurauskienė N., Šimkevičius Č., Paršeliūnas J., Cimmperman P., Abrutis A., Plaušinaitienė V.

Acta Physica Polonica A

2005

vol. 107

issue 1

203-206

The magnetoresistance anisotropy of ultrathin La_{0.83}Sr_{0.17}Mn O_3 films deposited on NdGaO_3 substrate by metalorganic chemical vapour deposition technique was investigated. The electric-field-induced resistance change was studied up to electric fields of 10 kV/cm using ns duration electrical pulses. It was found that in ultrathin (< 10 nm) and thin (< 50 nm) films the origin of electric-field-induced resistance change is thermal. However, the films with thicknesses of about 20 nm, exhibit negative electric-field-induced resistance change, having a pure electronic nature. This effect is explained in terms of two-layer systems with imperfections located at the interface between the layers.

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2 Acta Physica Polonica A

1 2009

1 2005

2 Abrutis A.

2 Balevičius S.

2 Plaušinaitienė V.

2 Stankevič V.

2 Šimkevičius Č.

2 Žurauskienė N.

1 Cimmperman P.

1 Liebfried O.

1 Löffler M.

1 Paršeliūnas J.

1 Schneider M.

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Thin Film Manganite-Metal Interconnection and "Loop Effect" Studies in CMR-Based High Magnetic Field Sensors

Magneto- and Electroresistance of Ultrathin Anisotropically Strained La-Sr-MnO Films