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Group-V intermixing in quantum dots
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10.1063/1.1861500
/content/aip/journal/apl/86/5/10.1063/1.1861500
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/5/10.1063/1.1861500
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Room-temperature PL spectra for QD samples capped with (solid lines) and (broken lines) under different RTA temperatures. The RTA annealing duration for each sample was . (b) Peak separation between the two PL components as a function of RTA temperature, extracted from PL spectra for samples capped with . (c) PL peak intensity at different RTA temperatures for samples capped with (엯), (▵), and without dielectric cap (◻).

Image of FIG. 2.
FIG. 2.

Energy shift as a function of annealing temperature for samples capped with (엯), (▵), and without dielectric cap (◻). Also shown is the differential energy shift (∎) for samples capped with and .

Image of FIG. 3.
FIG. 3.

(a) Relationship between PL linewidth and energy shift for QD samples by RTA with cap (엯), cap (▵) and without dielectric cap (◻). The results by laser annealing with cap (▾) were also plotted for comparison. (b) Blueshift in wavelength as a function of annealing duration and YAG laser power density at (∎), (▴), and (●).

Image of FIG. 4.
FIG. 4.

Raman spectra of QDs with (a) and without (b) laser annealing.

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/content/aip/journal/apl/86/5/10.1063/1.1861500
2005-01-27
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Group-V intermixing in InAs∕InP quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/5/10.1063/1.1861500
10.1063/1.1861500
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