Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Photoluminescence measurements of InP quantum dots in pulsed magnetic fields
AU - Provoost, Rik
AU - Hayne, M
AU - Zundel, Markus K
AU - Eberl, Karl
AU - Moshchalkov, Victor V
PY - 1998/12
Y1 - 1998/12
N2 - We report the first photoluminescence (PL) measurements on stacked layers of self-assembled InP quantum dots in pulsed magnetic fields up to 50 T at 4.2 K. A strong increase of the diamagnetic shift with magnetic field parallel and perpendicular to the growth direction is observed by decreasing the stacked layer separation from 8 to 4 nm, indicating that in latter case the quantum dot layers are strongly coupled. This is confirmed by the decrease in PL line width, which is determined by the height homogeneity of a single dot or by the fluctuation of the total height of the coupled layers.
AB - We report the first photoluminescence (PL) measurements on stacked layers of self-assembled InP quantum dots in pulsed magnetic fields up to 50 T at 4.2 K. A strong increase of the diamagnetic shift with magnetic field parallel and perpendicular to the growth direction is observed by decreasing the stacked layer separation from 8 to 4 nm, indicating that in latter case the quantum dot layers are strongly coupled. This is confirmed by the decrease in PL line width, which is determined by the height homogeneity of a single dot or by the fluctuation of the total height of the coupled layers.
KW - photoluminescence
KW - InP
KW - quantum dots
KW - pulsed magnetic fields
U2 - 10.1016/S0921-4526(98)00516-X
DO - 10.1016/S0921-4526(98)00516-X
M3 - Journal article
VL - 256
SP - 203
EP - 206
JO - Physica B: Condensed Matter
JF - Physica B: Condensed Matter
SN - 0921-4526
ER -