Angle-dependent weiss oscillations in a nanocorrugated two-dimensional electron gas

Ching-Hao Chang, Carmine Ortix

Research output: Contribution to journalComment/debate

Abstract

We investigate the diffusive magnetotransport properties of a two-dimensional electron gas residing in a wrinkled nanostructure. The curved geometry of the nanostructure renders an effective inhomogeneous magnetic field which, in turn, yields Weiss oscillations. Since the relative strength of the effective inhomogeneous magnetic field can be tailored by changing the direction of the externally applied magnetic field, these Weiss oscillations exhibit a strong directional dependence. For large external magnetic fields we also find an anisotropic positive magnetoresistance.

Original languageEnglish
Article number035004
JournalNano Futures
Volume1
Issue number3
DOIs
Publication statusPublished - 2017 Dec 1

Fingerprint

Two dimensional electron gas
electron gas
Magnetic fields
oscillations
magnetic fields
Nanostructures
Galvanomagnetic effects
Magnetoresistance
Geometry
geometry

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Chemistry(all)
  • Biomedical Engineering
  • Electrical and Electronic Engineering
  • Bioengineering
  • Atomic and Molecular Physics, and Optics

Cite this

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Angle-dependent weiss oscillations in a nanocorrugated two-dimensional electron gas. / Chang, Ching-Hao; Ortix, Carmine.

In: Nano Futures, Vol. 1, No. 3, 035004, 01.12.2017.

Research output: Contribution to journalComment/debate

TY - JOUR

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AU - Ortix, Carmine

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N2 - We investigate the diffusive magnetotransport properties of a two-dimensional electron gas residing in a wrinkled nanostructure. The curved geometry of the nanostructure renders an effective inhomogeneous magnetic field which, in turn, yields Weiss oscillations. Since the relative strength of the effective inhomogeneous magnetic field can be tailored by changing the direction of the externally applied magnetic field, these Weiss oscillations exhibit a strong directional dependence. For large external magnetic fields we also find an anisotropic positive magnetoresistance.

AB - We investigate the diffusive magnetotransport properties of a two-dimensional electron gas residing in a wrinkled nanostructure. The curved geometry of the nanostructure renders an effective inhomogeneous magnetic field which, in turn, yields Weiss oscillations. Since the relative strength of the effective inhomogeneous magnetic field can be tailored by changing the direction of the externally applied magnetic field, these Weiss oscillations exhibit a strong directional dependence. For large external magnetic fields we also find an anisotropic positive magnetoresistance.

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