Decay of charged complexes in quasi-2D semiconductor structures in the presence of electric fields

Monozon, B. S.; Schmelcher, Peter

doi:10.1006/spmi.2001.0987

Cited by 2 publications

(2 citation statements)

References 17 publications

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“…The (D -) is the system analogous to the hydrogen negative ion (H -) in atomic physics. Particularly the study of the D -in isolated quantum well (QW) subjected to an electric field is underway [1,2]. However the experimental investigations of this system have not been widely addressed in literature.…”

Section: General Theory the Problem Of A Negatively Charged Donor (D -mentioning

confidence: 99%

Charged donor in a quantum well subjected to electric and strong magnetic fields

Monozon

Schmelcher

2003

phys. stat. sol. (c)

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An analytical approach to the problem of a negatively charged donor in a quantum well (QW) in the presence of parallel electric and strong magnetic external fields both directed perpendicular to the heteroplanes is developed. The dependencies of the binding energy on the field strengths, the width of the well and the position of the impurity within the well are derived in explicit form. The effect of the inversion of the electric field is investigated. It is shown that a single QW containing a charged donor subjected to parallel electric and strong magnetic fields can be treated as a resonant structure. Using the parameters associated with GaAs QW estimates of the inversion shift of the binding energy and the frequency of the emitted resonant radiation are obtained.

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Section: General Theory the Problem Of A Negatively Charged Donor (D -mentioning

confidence: 99%

Charged donor in a quantum well subjected to electric and strong magnetic fields

Monozon

Schmelcher

2003

phys. stat. sol. (c)

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“…Although studies of charged complexes including the D − in the QW in the presence of an electric field have been completed [5,6], this problem is not an ideal candidate for experimental investigation. One of the reasons for this is that the binding energy of the D − is small.…”

Section: Introductionmentioning

confidence: 99%

The Dcentre in a quantum well in the presence of parallel electric and strong magnetic fields

Monozon¹,

Schmelcher²

2003

J. Phys.: Condens. Matter

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An analytical approach to the problem of a negatively charged donor in an infinitely deep quantum well (QW) in the presence of parallel electric and strong magnetic external fields both directed perpendicular to the heteroplanes is developed. The double adiabatic approximation is employed. The dependences of the binding energy on the field strengths, the width of the well and the position of the impurity within the well are derived in explicit form. The effect of the inversion of the electric field is investigated. It is shown that the combined potential acting on the 'outer' electron resembles that of a double QW. When the levels associated with the two effective QWs anticross, a resonant structure arises. The explicit dependence of the resonant splitting on the width of the QW, the strength of the electric field and the position of the impurity are obtained. Using the parameters associated with the GaAs QW, estimates of the inversion shift of the binding energy and the frequency of the emitted resonant radiation induced by the electric field are made.

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Decay of charged complexes in quasi-2D semiconductor structures in the presence of electric fields

Cited by 2 publications

References 17 publications

Charged donor in a quantum well subjected to electric and strong magnetic fields

Charged donor in a quantum well subjected to electric and strong magnetic fields

The Dcentre in a quantum well in the presence of parallel electric and strong magnetic fields

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Decay of charged complexes in quasi-2D semiconductor structures in the presence of electric fields

Cited by 2 publications

References 17 publications

Charged donor in a quantum well subjected to electric and strong magnetic fields

Charged donor in a quantum well subjected to electric and strong magnetic fields

The D centre in a quantum well in the presence of parallel electric and strong magnetic fields

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The Dcentre in a quantum well in the presence of parallel electric and strong magnetic fields