Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIV 2021
DOI: 10.1117/12.2582781
|View full text |Cite
|
Sign up to set email alerts
|

Fitting of photoluminescence spectra for structural characterisation of high current density resonant tunnelling diodes for THz applications

Abstract: High-resolution X-ray diffraction (HR-XRD), and low-temperature photoluminescence spectroscopy (LT-PL) are used to investigate the structural properties and inhomogeneities of high current density InGaAs/AlAs/InP resonant tunnelling diode (RTD) wafer structures. The non-destructive assessment of these structures is challenging, with structural variables: well and barriers thickness and the well indium molar fraction, in addition to electronic variables such as the band-offsets being functions of strain, growth… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
2

Citation Types

0
2
0

Year Published

2021
2021
2022
2022

Publication Types

Select...
2
1

Relationship

1
2

Authors

Journals

citations
Cited by 3 publications
(2 citation statements)
references
References 9 publications
0
2
0
Order By: Relevance
“…The PL optical transitions are indicated by vertical lines, the type 1 transition goes from e1 to hh1 while the bulk transition is associated with the LM-InGaAs band-gap. Fiure1(C) clarified numerically the origin of the peak splitting described in figure 1(b): the ML-fluctuation creates 2 additional quasi-bound states (±1ML) in addition to the designed one (XML), the type I transition is now a triplet [6].…”
Section: Mono-layer Fluctuationmentioning
confidence: 89%
See 1 more Smart Citation
“…The PL optical transitions are indicated by vertical lines, the type 1 transition goes from e1 to hh1 while the bulk transition is associated with the LM-InGaAs band-gap. Fiure1(C) clarified numerically the origin of the peak splitting described in figure 1(b): the ML-fluctuation creates 2 additional quasi-bound states (±1ML) in addition to the designed one (XML), the type I transition is now a triplet [6].…”
Section: Mono-layer Fluctuationmentioning
confidence: 89%
“…Figure 1(B) shows a typical low-temperature PL spectrum: the barrier roughness (short-range disorder) creates broad PL peaks while the ML-fluctuation (long-range disorder) cause peak splitting and an overall broadening of the PL trace [6]. Figure 1(C) shows a schematic representation of the RTD active region band profile and the radiative transitions detectable by PL.…”
Section: Mono-layer Fluctuationmentioning
confidence: 99%