Zobrazeno 1 - 7
of 7
pro vyhledávání: '"M. Noemi Perez-Paz"'
Publikováno v:
Journal of Crystal Growth. 294:296-303
Optical and morphological studies are used to investigate the effects of chemical composition and, in particular, the magnesium content of the Zn x Cd y Mg 1− x − y Se barrier layers on the size, density and uniformity of CdSe self-assembled quan
Autor:
M. Noemi Perez-Paz, Fleumingue Jean-Mary, Hong Lu, Mohammad Sohel, Martin Muñoz, Daniel L. Akins, X. Zhou, Maria C. Tamargo
Publikováno v:
Applied Physics Letters. 85:6395-6397
Self-assembled quantum dots of CdSe with ZnCdMgSe barriers have been grown by molecular beam epitaxy on InP substrates. The optical and microstructural properties were investigated using photoluminescence (PL) and atomic force microscopy (AFM) measur
Publikováno v:
Applied Physics Letters. 94:102109
We present room temperature microscopic (100 nm resolution) surface photovoltage spectra of three CdSe/ZnCdMgSe quantum dot structures with different CdSe deposition times. Observed spectroscopic features were attributed to absorption in the barrier,
Publikováno v:
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures. 24:1649
Multiquantum dot (MQD) layers of CdSe with ZnxCdyMg1−x−ySe barriers have been grown by self-assembly (SA) using molecular beam epitaxy on (001) InP substrates and their optical and structural properties studied by steady state, polarized and powe
Autor:
M. Noemi Perez-Paz, Mohammad Sohel, Daniel L. Akins, X. Zhou, Francisco Collía Fernández, Martin Muñoz, Hong Lu, Fleumingue Jean-Mary, Maria C. Tamargo
Publikováno v:
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures. 23:1236
We have grown structures with single layers of self-assembled quantum dots (SAQDs) and stacked layers of SAQDs in the II-VI materials systems CdSe∕ZnCdMgSe. The structures were grown on InP substrates by molecular beam epitaxy. Good control of the
Publikováno v:
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures. 23:1209
Lattice matched ZnMgSe grown on InP is of considerable interest for its potential applications as a cladding layer due to the high band-gap energy (∼3.6eV) and for use in intersubband devices such as quantum cascade lasers. Several lattice matched
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