Site control of InAs quantum dots on GaAs surfaces patterned by in situ electron-beam lithography

Author(s):  
T. Ishikawa ◽  
S. Kohmoto ◽  
S. Nishikawa ◽  
T. Nishimura ◽  
K. Asakawa
2001 ◽  
Vol 30 (5) ◽  
pp. 482-486 ◽  
Author(s):  
M. Borgström ◽  
T. Bryllert ◽  
B. Gustafson ◽  
J. Johansson ◽  
T. Sass ◽  
...  

Nano Letters ◽  
2018 ◽  
Vol 18 (4) ◽  
pp. 2336-2342 ◽  
Author(s):  
Peter Schnauber ◽  
Johannes Schall ◽  
Samir Bounouar ◽  
Theresa Höhne ◽  
Suk-In Park ◽  
...  

2008 ◽  
Vol 93 (10) ◽  
pp. 101908 ◽  
Author(s):  
P. Atkinson ◽  
S. Kiravittaya ◽  
M. Benyoucef ◽  
A. Rastelli ◽  
O. G. Schmidt

2002 ◽  
Vol 749 ◽  
Author(s):  
Michael Yakimov ◽  
Vadim Tokranov ◽  
Alex Katnelson ◽  
Serge Oktyabrsky

ABSTRACTWe have studied the first phases of post-growth evolution of InAs quantum dots (QDs) using in-situ Auger electron spectroscopy in conjunction with Reflection High Energy Electron Diffraction (RHEED). Direct evidence for InAs intermixing with about 6ML (monolayers) of the matrix material is found from Auger signal behavior during MBE overgrowth of InAs nanostructures. Re-establishment of 2D growth mode by overgrowth with GaAs or AlAs was monitored in single-layer and multi-layer QD structures using RHEED. Decay process of InAs QDs on the surface is found to have activation energy of about 1.1 eV that corresponds to In intermixing with the matrix rather than evaporation from the surface.


Nanoscale ◽  
2020 ◽  
Vol 12 (20) ◽  
pp. 11306-11316
Author(s):  
Christian D. Dieleman ◽  
Weiyi Ding ◽  
Lianjia Wu ◽  
Neha Thakur ◽  
Ivan Bespalov ◽  
...  

A general, one-step patterning technique for colloidal quantum dots by direct optical or e-beam lithography. Photons (5.5–91.9 eV) and electrons (3 eV–50 kV) crosslink and immobilize QDs down to tens of nm while preserving the luminescent properties.


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