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High density quantum dots by direct laser fabrication

Published online by Cambridge University Press:  19 April 2016

Anahita Haghizadeh  and
Haeyeon Yang
Anahita Haghizadeh
Affiliation:
Nanoscience and Nanoengineering, South Dakota School of Mines and Technology, Rapid City, SD 57701, U.S.A.
Haeyeon Yang*
Affiliation:
Nanoscience and Nanoengineering, South Dakota School of Mines and Technology, Rapid City, SD 57701, U.S.A. Center for Security Printing and Anti-Counterfeiting Technology, South Dakota School of Mines and Technology, Rapid City, SD 57701, U.S.A.
*
*Corresponding author; e-mail: haeyeon.yang@sdsmt.edu
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Abstract

We report a study of direct laser fabrication that produces quantum dots with their density higher than the critical density without appearance of large clumps. Atomic force microscopy is used to image GaAs(001) surfaces that are irradiated by high power laser pulses interferentially. The analysis suggests that high density quantum dots be fabricated directly on semiconductor surfaces during epitaxial growth processes.

Keywords

III-Vscanning probe microscopy (SPM)self-assembly

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Type
Articles
Information
MRS Advances , Volume 1 , Issue 28: Nanotechnology , 2016 , pp. 2025 - 2030
Copyright
Copyright © Materials Research Society 2016 

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References

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