Modulation doping and observation of the integral quantum Hall effect in PbTe/Pb1-xEuxTe multiquantum wells

G. Springholz; G. Ihninger; G. Bauer; M. M. Olver; J. Z. Pastalan; S. Romaine; B. B. Goldberg

doi:10.1063/1.110269

Modulation doping and observation of the integral quantum Hall effect in PbTe/Pb_1-xEu_xTe multiquantum wells

G. Springholz^*, G. Ihninger, G. Bauer, M. M. Olver, J. Z. Pastalan, S. Romaine, B. B. Goldberg

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

In Pb_1-xEu_xTe layers grown by molecular beam epitaxy a drastic reduction of electron mobility is observed for increasing Eu content. This is exploited for the investigation of the electronic properties of the two-dimensional electron gas in PbTe/Pb_1-xEu_xTe quantum wells (x=4.7%). In such structures we report the observation of the integer quantum Hall effect with a dominance of the odd filling factors due to the large spin splitting in the lead salts.

Original language	English (US)
Pages (from-to)	2908-2910
Number of pages	3
Journal	Applied Physics Letters
Volume	63
Issue number	21
DOIs	https://doi.org/10.1063/1.110269
State	Published - Dec 1 1993

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "In Pb1-xEuxTe layers grown by molecular beam epitaxy a drastic reduction of electron mobility is observed for increasing Eu content. This is exploited for the investigation of the electronic properties of the two-dimensional electron gas in PbTe/Pb1-xEuxTe quantum wells (x=4.7%). In such structures we report the observation of the integer quantum Hall effect with a dominance of the odd filling factors due to the large spin splitting in the lead salts.",

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AU - Springholz, G.

AU - Ihninger, G.

AU - Bauer, G.

AU - Olver, M. M.

AU - Pastalan, J. Z.

AU - Romaine, S.

AU - Goldberg, B. B.

PY - 1993/12/1

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AB - In Pb1-xEuxTe layers grown by molecular beam epitaxy a drastic reduction of electron mobility is observed for increasing Eu content. This is exploited for the investigation of the electronic properties of the two-dimensional electron gas in PbTe/Pb1-xEuxTe quantum wells (x=4.7%). In such structures we report the observation of the integer quantum Hall effect with a dominance of the odd filling factors due to the large spin splitting in the lead salts.

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