Influence of position dependent effective mass on impurity binding energy and absorption in quantum wells with the Konwent potential

In the present paper, the binding energy of hydrogenic shallow-donor impurity in simple and double coupled quantum wells based on unstrained wurtzite (In,Ga)N/GaN is investigated. Considering the effective-mass and dielectric mismatches between the well and its surrounding matrix, the numerical calculations are performed within the framework of the parabolic band and the single band effective-mass approximations under the finite potential barrier using finite element method (FEM). According to our results, it appears that the main effect of the wells coupling is to enhance the binding energy. It is also obtained that the binding energy is strongly sensitive to the internal and external parameters and can be adjusted by the quantum well/barrier width, the impurity position and the internal Indium composition. Our results are in good agreement with the finding especially for those obtained by the variational approach.

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Influence of position dependent effective mass on donor binding energy in square and V-shaped quantum wells in the presence of a magnetic field

Physica B Condensed Matter ◽

10.1016/j.physb.2013.02.032 ◽

2013 ◽

Vol 418 ◽

pp. 47-51 ◽

Cited By ~ 12

Author(s):

H. Panahi ◽

S. Golshahi ◽

M. Doostdar

Keyword(s):

Magnetic Field ◽

Binding Energy ◽

Quantum Wells ◽

Effective Mass ◽

Donor Binding Energy

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Effect of strain and confinement on the effective mass of holes in InSb quantum wells

Journal of Vacuum Science & Technology B Nanotechnology and Microelectronics Materials Processing Measurement and Phenomena ◽

10.1116/1.3553457 ◽

2011 ◽

Vol 29 (3) ◽

pp. 03C110 ◽

Cited By ~ 5

Author(s):

C. K. Gaspe ◽

M. Edirisooriya ◽

T. D. Mishima ◽

P. A. R. Dilhani Jayathilaka ◽

R. E. Doezema ◽

...

Keyword(s):

Quantum Wells ◽

Effective Mass

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Estimation of effective mass and subbands in multi-quantum wells using polarized light irradiation

physica status solidi (c) ◽

10.1002/pssc.201200650 ◽

2013 ◽

Vol 10 (5) ◽

pp. 727-731 ◽

Cited By ~ 3

Author(s):

K. Tanaka ◽

N. Happo ◽

M. Fujiwara ◽

N. Kotera

Keyword(s):

Quantum Wells ◽

Effective Mass ◽

Polarized Light ◽

Light Irradiation

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Effective mass and ground state of AlAs quantum wells studied by magnetoresistance measurements

Journal of Applied Physics ◽

10.1063/1.350704 ◽

1992 ◽

Vol 71 (1) ◽

pp. 296-299 ◽

Cited By ~ 24

Author(s):

Koichi Maezawa ◽

Takashi Mizutani ◽

Syoji Yamada

Keyword(s):

Quantum Wells ◽

Effective Mass ◽

Ground State

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Capturing excitonic and polaronic effects in lead iodide perovskites from many-body perturbation theory

Journal of Materials Chemistry C ◽

10.1039/d1tc03843e ◽

2021 ◽

Author(s):

Pooja Basera ◽

Arunima Singh ◽

Deepika Gill ◽

Saswata Bhattacharya

Keyword(s):

Optical Properties ◽

Perturbation Theory ◽

Binding Energy ◽

Electronic Properties ◽

Effective Mass ◽

Exciton Binding Energy ◽

Many Body ◽

Energy Materials ◽

Lead Iodide ◽

Many Body Perturbation Theory

Lead iodide perovskites have attracted considerable interest as promising energy-materials. However, till date, several key electronic properties such as optical properties, effective mass, exciton binding energy and the radiative exciton...

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