Giant growth axis longitudinal magnetoresistance from in-plane conduction in semiconductor superlattices

Mark Lee; Ned S. Wingreen; S. A. Solin; P. A. Wolff

doi:10.1016/0038-1098(94)90577-0

Giant growth axis longitudinal magnetoresistance from in-plane conduction in semiconductor superlattices

Mark Lee, Ned S. Wingreen, S. A. Solin, P. A. Wolff

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11 Scopus citations

Abstract

Electron hopping conduction along the growth-axis of a set of GaAs/Ga_0.7Al_0.3As superlattices reveals a giant longitudinal magnetoresistance (LMR) which increases as H² up to 9 T, where R(H)/R(0) ∼ 4 in samples with the largest hybridization energy, δ, between wells. The LMR increases with δ and is essentially temperature-independent. Concomitant magnetic effects are observed in the electric-field-induced localization of the I-V characteristics. We show quantitatively that these features result from a new superlattice conduction mechanism which incorporates both in-plane and growth-axis contributions.

Original language	English (US)
Pages (from-to)	687-691
Number of pages	5
Journal	Solid State Communications
Volume	89
Issue number	8
DOIs	https://doi.org/10.1016/0038-1098(94)90577-0
State	Published - Feb 1994

All Science Journal Classification (ASJC) codes

General Chemistry
Condensed Matter Physics
Materials Chemistry

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10.1016/0038-1098(94)90577-0

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title = "Giant growth axis longitudinal magnetoresistance from in-plane conduction in semiconductor superlattices",

abstract = "Electron hopping conduction along the growth-axis of a set of GaAs/Ga0.7Al0.3As superlattices reveals a giant longitudinal magnetoresistance (LMR) which increases as H2 up to 9 T, where R(H)/R(0) ∼ 4 in samples with the largest hybridization energy, δ, between wells. The LMR increases with δ and is essentially temperature-independent. Concomitant magnetic effects are observed in the electric-field-induced localization of the I-V characteristics. We show quantitatively that these features result from a new superlattice conduction mechanism which incorporates both in-plane and growth-axis contributions.",

author = "Mark Lee and Wingreen, {Ned S.} and Solin, {S. A.} and Wolff, {P. A.}",

year = "1994",

month = feb,

doi = "10.1016/0038-1098(94)90577-0",

language = "English (US)",

volume = "89",

pages = "687--691",

journal = "Solid State Communications",

issn = "0038-1098",

publisher = "Elsevier Limited",

number = "8",

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T1 - Giant growth axis longitudinal magnetoresistance from in-plane conduction in semiconductor superlattices

AU - Lee, Mark

AU - Wingreen, Ned S.

AU - Solin, S. A.

AU - Wolff, P. A.

PY - 1994/2

Y1 - 1994/2

N2 - Electron hopping conduction along the growth-axis of a set of GaAs/Ga0.7Al0.3As superlattices reveals a giant longitudinal magnetoresistance (LMR) which increases as H2 up to 9 T, where R(H)/R(0) ∼ 4 in samples with the largest hybridization energy, δ, between wells. The LMR increases with δ and is essentially temperature-independent. Concomitant magnetic effects are observed in the electric-field-induced localization of the I-V characteristics. We show quantitatively that these features result from a new superlattice conduction mechanism which incorporates both in-plane and growth-axis contributions.

AB - Electron hopping conduction along the growth-axis of a set of GaAs/Ga0.7Al0.3As superlattices reveals a giant longitudinal magnetoresistance (LMR) which increases as H2 up to 9 T, where R(H)/R(0) ∼ 4 in samples with the largest hybridization energy, δ, between wells. The LMR increases with δ and is essentially temperature-independent. Concomitant magnetic effects are observed in the electric-field-induced localization of the I-V characteristics. We show quantitatively that these features result from a new superlattice conduction mechanism which incorporates both in-plane and growth-axis contributions.

UR - http://www.scopus.com/inward/record.url?scp=0028378164&partnerID=8YFLogxK

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U2 - 10.1016/0038-1098(94)90577-0

DO - 10.1016/0038-1098(94)90577-0

M3 - Article

AN - SCOPUS:0028378164

SN - 0038-1098

VL - 89

SP - 687

EP - 691

JO - Solid State Communications

JF - Solid State Communications

IS - 8

ER -

Giant growth axis longitudinal magnetoresistance from in-plane conduction in semiconductor superlattices

Abstract

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