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In-Plane/Tilted Magnetic-Field-Dependent Conductance of 2D Electron Systems in Asymmetric Double Quantum Wells

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Smrčka L., Vašek P., Jungwirth T., Makarovskii O. N., Cukr M., Jansen L.

The resistance in an asymmetric double-well structure was measured as a function of magnetic fields oriented almost parallel to the plane of the electron layer. It was shown that the shape of the magnetoresistance curves is close to the in-plane magnetic-field-dependent density of states which we obtained by self-consistent numerical calculation. The novel feature is the negative magnetoresistance observed at low magnetic fields.

SnTe Phase Transition in Strained Superlattices PbTe/SnTe

100%

Mironov O. A., Makarovskii O. N., Nashchekina O. N., Shpakovskaya L. P., Litvinov V. I., Oszwałdowski M., Berus T.

Acta Physica Polonica A

1995

vol. 88

issue 5

853-856

An anomaly of the in-plane conductivity is observed in the superlattices PbTe/SnTe on (001)KCl in the temperature region of 60-130 K. The anomaly is caused by a structural phase transition in SnTe layer and as a result, the transition induced formation of defects. These defects are additional scattering centres which decrease the superlattice conductivity.

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2 Acta Physica Polonica A

1 1997

1 1995

2 Makarovskii O. N.

1 Berus T.

1 Cukr M.

1 Jansen L.

1 Jungwirth T.

1 Litvinov V. I.

1 Mironov O. A.

1 Nashchekina O. N.

1 Oszwałdowski M.

1 Shpakovskaya L. P.

1 Smrčka L.

1 Vašek P.

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In-Plane/Tilted Magnetic-Field-Dependent Conductance of 2D Electron Systems in Asymmetric Double Quantum Wells

SnTe Phase Transition in Strained Superlattices PbTe/SnTe