Violation of the Δn=0 selection rule for optical transitions in magnetic sawtooth quantum wells

T. Stirner; P. Harrison; W. E. Hagston

doi:10.1016/0038-1098(93)90115-4

Violation of the Δn=0 selection rule for optical transitions in magnetic sawtooth quantum wells

T. Stirner, P. Harrison, W. E. Hagston

University of Hull

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

3 Citations (Scopus)

Abstract

Sawtooth quantum wells, in which the graded gap is produced by a linear variation in the concentration of a magnetic ion, offer a unique opportunity to investigate the additional optical transitions resulting from symmetry breaking. In the present theoretical work linear variations in the concentration of the magnetic Mn²⁺ ion in the Cd_1-xMn_xTe alloy permits a study of the variation of both the energy and oscillator strength of forbidden transitions as a function of the external magnetic field. The resulting variations in the symmetry of the system produces profound effects on the oscillator strengths of the Δn≠0 transitions.

Original language	English
Pages (from-to)	815-818
Number of pages	4
Journal	Solid State Communications
Volume	86
Issue number	12
DOIs	https://doi.org/10.1016/0038-1098(93)90115-4
Publication status	Published - 1 Jun 1993
Externally published	Yes

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abstract = "Sawtooth quantum wells, in which the graded gap is produced by a linear variation in the concentration of a magnetic ion, offer a unique opportunity to investigate the additional optical transitions resulting from symmetry breaking. In the present theoretical work linear variations in the concentration of the magnetic Mn2+ ion in the Cd1-xMnxTe alloy permits a study of the variation of both the energy and oscillator strength of forbidden transitions as a function of the external magnetic field. The resulting variations in the symmetry of the system produces profound effects on the oscillator strengths of the Δn≠0 transitions.",

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AU - Stirner, T.

AU - Harrison, P.

AU - Hagston, W. E.

PY - 1993/6/1

Y1 - 1993/6/1

N2 - Sawtooth quantum wells, in which the graded gap is produced by a linear variation in the concentration of a magnetic ion, offer a unique opportunity to investigate the additional optical transitions resulting from symmetry breaking. In the present theoretical work linear variations in the concentration of the magnetic Mn2+ ion in the Cd1-xMnxTe alloy permits a study of the variation of both the energy and oscillator strength of forbidden transitions as a function of the external magnetic field. The resulting variations in the symmetry of the system produces profound effects on the oscillator strengths of the Δn≠0 transitions.

AB - Sawtooth quantum wells, in which the graded gap is produced by a linear variation in the concentration of a magnetic ion, offer a unique opportunity to investigate the additional optical transitions resulting from symmetry breaking. In the present theoretical work linear variations in the concentration of the magnetic Mn2+ ion in the Cd1-xMnxTe alloy permits a study of the variation of both the energy and oscillator strength of forbidden transitions as a function of the external magnetic field. The resulting variations in the symmetry of the system produces profound effects on the oscillator strengths of the Δn≠0 transitions.

KW - Sawtooth quantum wells

KW - magnetic ion

KW - alloy

UR - https://www.scopus.com/pages/publications/0027608599

U2 - 10.1016/0038-1098(93)90115-4

DO - 10.1016/0038-1098(93)90115-4

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JO - Solid State Communications

JF - Solid State Communications

IS - 12

ER -

Violation of the Δn=0 selection rule for optical transitions in magnetic sawtooth quantum wells

Abstract

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