Microscopic calculation of valence-band states in semiconductor structures in the presence of a magnetic field

1996 ◽  
Vol 54 (20) ◽  
pp. 14623-14632 ◽  
Author(s):  
W.-C. Tan ◽  
J. C. Inkson ◽  
G. P. Srivastava
Keyword(s):  
Magnetic Field ◽  
Valence Band ◽  
Microscopic Calculation ◽  
Semiconductor Structures

scholarly journals Влияние ионов неодима (III) на фотолюминесценцию сульфидов кадмия и цинка в полиакрилатной матрице

2022 ◽  
Vol 56 (2) ◽  
pp. 229
Author(s):  
В.П. Смагин ◽  
А.А. Исаева ◽  
Е.А. Шелепова
Keyword(s):  
Methyl Methacrylate ◽  
Valence Band ◽  
Conduction Band ◽  
Structural Defects ◽  
Excitation Spectra ◽  
Nanoscale Particles ◽  
Semiconductor Structures ◽  
Semiconductor Particles ◽  
Optically Transparent

Nanoscale particles ZnS:Nd3+, CdS:Nd3+ and (Zn,Cd)S:Nd3+ were synthesized and doped in a polymerizing methyl methacrylate medium during the production of optically transparent polyacrylate composites of the composition PMMA/ZnS:Nd3+, PMMA/CdS:Nd3+ and PMMA/(Zn,Cd)S:Nd3+. The excitation of photoluminescence (FL) and FL of semiconductor structures in composites is associated with the transition of electrons from the valence band to the conduction band and to the levels of structural defects of semiconductor particles, followed by recombination at these levels. Based on changes in the excitation spectra of FL and FL composites, assumptions are made about the structure of particles, the distribution of Nd3+ ions in it and their effect on photoluminescence.

Manipulation of Spin Dynamics in Semiconductor Structures by Orientation of Small External Magnetic Field

2011 ◽  
Author(s):  
K. L. Litvinenko ◽  
M. A. Leontiadou ◽  
Juerong Li ◽  
E. T. Bowyer ◽  
S. K. Clowes ◽  
...  
Keyword(s):  
Magnetic Field ◽  
External Magnetic Field ◽  
Spin Dynamics ◽  
Semiconductor Structures

Magnetoreflectivity Study of Excitons in MBE Grown Zn1−xFex Se Crystals

1987 ◽  
Vol 102 ◽  
Author(s):  
X. Liu ◽  
A. Petrou ◽  
G. A. Prinz ◽  
B. T. Jonke ◽  
J. J. Krebs ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Valence Band ◽  
Spin Splitting ◽  
Van Vleck ◽  
Van Vleck Paramagnet

ABSTRACTWe present a magnetoreflectivity study of the excitons in MBE grown Zn1−xFexSe crystals for x=0.017, 0.027 and 0.043. The excitonic spinsplitting was studied as function of magnetic field in both the Faraday and Voigt geometries. The exchange integrals were determined from the conduction and valence band spin-splittings. The exciton spin-splitting was also studied as function of temperature. This study yielded the value of the energy spacing of the Fe++ states and also verified that Zn1−xFexSe is a Van Vleck paramagnet.

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