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STM Images

 

 

 

 

InGaAs quantum dots induced by a single, direct laser irradiation

GuidedQD-3

Reference: Guided assembly of quantum dots through selective laser heating, Solar Energy Materials and Solar Cells, Volume 108 (2013) Pages 252-255 by C. M. Clegg and H. Yang

 

InGaAs dot-chains grown on GaAs(001), 500nm x 500 nm

QD-chain

Reference: Annealing induced transition of flat strained InGaAs epilayers into three-dimensional islands, Dong Jun Kim, D. Addison Everett, and Haeyeon Yang, Journal of Applied Physics 101, 106106 (2007)

 

 

Indium rich InAs epilayers grown on GaAs(001)

IndiumRich_InAs_on_GaA001-2

 

 

InGaAs Quantum dashes on GaAs(001) induced by annealing strain-flat epilayers of ~6.6ML InGaAs, 500nm x 500nm

Q-dashes-2

Reference: Shape control of InGaAs nanostructures on nominal GaAs(001): dashes and dots, Nanotechnology, 19, 475601(2008) by D. J. Kim, and H. Yang

 

 

 

 

InGaAs quantum dots on a GaAs(001) buffer, 350nm x 350nm.

m65_Image 2c

 

 

 

 

 

More images are coming!

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