Binding energy of charged excitons in ZnSe-based quantum wells

GV Astakhov, DR Yakovlev, VP Kochereshko, W Ossau… - Physical Review B, 2002 - APS
Excitons and charged excitons (trions) are investigated in ZnSe-based quantum well
structures with (Zn, Be, Mg) Se and (Zn, Mg)(S, Se) barriers by means of magneto-optical …

Oscillator strength of trion states in ZnSe-based quantum wells

GV Astakhov, VP Kochereshko, DR Yakovlev, W Ossau… - Physical Review B, 2000 - APS
The oscillator strength of negatively charged excitons (trions) in ZnSe/(Zn, Mg)(S, Se)
quantum-well structures with n-type modulation do** is studied by means of reflectivity as …

Screening of excitonic states by low-density 2D charge carriers in GaAs/AlGaAs quantum wells

SI Gubarev, IV Kukushkin, SV Tovstonog… - Journal of Experimental …, 2000 - Springer
Screening of excitonic states by a system of 2D electrons (or holes) in GaAs/AlGaAs single
quantum wells is studied. With increasing concentration of 2D charge carriers, a threshold …

Magneto-optical properties of Zn 0.95 Mn 0.05 S e/Z n 0.76 Be 0.08 Mg 0.16 Se quantum wells and Zn 0.91 Mn 0.09 S e/Zn 0.972 Be 0.028 Se spin superlattices

B König, U Zehnder, DR Yakovlev, W Ossau, T Gerhard… - Physical Review B, 1999 - APS
We have performed magnetoluminescence and magnetoreflectance studies on novel
semimagnetic semiconductor heterostructures based on (ZnMn) Se/(ZnBeMg) Se. The …

Negatively charged trion in ZnSe single quantum wells with very low electron densities

O Homburg, K Sebald, P Michler, J Gutowski… - Physical Review B, 2000 - APS
The polarization-and excitation-intensity-dependent photoluminescence of the negatively
charged trion is investigated for ZnSe single quantum wells embedded in ternary and …

Charged exciton dynamics in ZnSe/ZnMgSSe QWs

DR Yakovlev, J Puls, GV Mikhailov… - … status solidi (a), 2000 - Wiley Online Library
We report on magneto‐optical studies of ZnSe/(Zn, Mg)(S, Se) quantum wells with n‐type
modulation do**. Negatively charged excitons related to the heavy‐hole and light‐hole …

Magneto-optics of charged excitons in ZnSe/ZnMgSSe quantum wells

DR Yakovlev, HA Nickel, BD McCombe, A Keller… - Journal of crystal …, 2000 - Elsevier
We report magneto-optical studies of ZnSe/(Zn, Mg)(S, Se) quantum wells with n-type
modulation do**. Polarized photoluminescence and spin-flip Raman scattering …