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Autor:
Iwao Mogi, J. R. Anderson, D. Ravot, M. Górska, Z. Go|A lacki, Yasuo Oka, J. L. Peng, J. Y-Jen
Publikováno v:
Physical Review B. 55:4400-4404
From low-field measurements of the susceptibility at temperatures up to 385 K, fitted to the Curie-Weiss expression, the exchange constant J/${\mathrm{k}}_{\mathrm{B}}$ of ${\mathrm{Pb}}_{1\mathrm{\ensuremath{-}}\mathrm{x}}$${\mathrm{Eu}}_{\mathrm{x}
Publikováno v:
Materials Science and Engineering: A. :184-188
We studied the photoluminescence in GaAs/AlGaAs single quantum wells at fields up to a maximum of 22 T and observed spectra due to impurities, heavy-hole excitons, and Landau levels. The wells were doped with Si at different doping levels up to 3 ×
Publikováno v:
Applied Surface Science. 92:547-551
Stimulated emissions in Zn 1−x Cd x Se ZnSe multi-quantum well (MQW) structures have been studied under high optical excitation in the temperature range 4.2–300 K. With increasing the excitation intensity, the stimulated emission at low temperatu
Publikováno v:
Solid State Communications. 96:11-15
The magnetization M of Sn 1− x Eu x Te:EuTe, x ≦0.02, has been measured at 4.2 K in fields H up to 23 T. The average pair exchange interaction is antiferromagnetic with a value of about 0.5 K. For x -values greater than 0.014 the M vs. H curves s
Publikováno v:
Superlattices and Microstructures. 16:41-45
The dynamics and stimulated emission processes of the exciton luminescence are studied in quantum wells (QWs) of the Zn 1-x Cd x Se/ZnSe system. A multiquantum well (MQW) structure shows an exciton lifetime of 150-280 ps and a stimulated emission eff
Publikováno v:
IEEJ Transactions on Electronics, Information and Systems. 114:1273-1279
Publikováno v:
Physica B: Condensed Matter. 216:307-309
The magnetization M of Bridgman-grown Sn1−xEuxTe has been measured at 4.2K in fields H up to 23T. For x
Publikováno v:
Journal of Applied Physics. 102:053518
The stimulated emission has been investigated in Zn1−xCdxSe/ZnSe quantum wells with a constant sample width of 60 A and barrier widths from 47 A to 500 A. A redshift of the stimulated emission peak with increasing excitation intensity was observed
Publikováno v:
Japanese Journal of Applied Physics. 33:L604
Optical and structural studies on short period Zn0.7Cd0.3Se/ZnSe strained-layer superlattices (SLS) grown by hot wall epitaxy have been performed experimentally using photoluminescence and Raman scattering. We have found an additional luminescence pe