TY - JOUR
T1 - First-Principles Calculation of Bandgaps of Al1−xInxN Alloys and Short-Period Al1−xInxN/Al1−yInyN Superlattices
AU - Kawamura, Takahiro
AU - Fujita, Yuma
AU - Hamaji, Yuya
AU - Akiyama, Toru
AU - Kangawa, Yoshihiro
AU - Gorczyca, Izabela
AU - Suski, Tadeusz
AU - Wierzbowska, Małgorzata
AU - Krukowski, Stanisław
N1 - Funding Information:
This work was supported by JSPS KAKENHI grant number JP16H06418 and by the Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University. The authors thank Iain Mackie, Ph.D., from Edanz Group (www.edanzediting.com/ac) for editing a draft of this manuscript.
Publisher Copyright:
© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
PY - 2020/4/1
Y1 - 2020/4/1
N2 - Bandgaps of AlInN alloys, short-period InN/AlN superlattices (SLs), and short-period AlInN alloy SLs are calculated using first-principles calculations with the pseudopotential self-interaction correction method. The dependence of these bandgaps on the composition and thickness of the SLs and the influence of strain are investigated. It is found that the bandgaps of the InN/AlN SLs depend on both the composition and thickness of the SLs. The maximum value of the bandgap equal to 2.56 eV is obtained for 1InN/4AlN SLs. The bandgaps of AlInN alloy SLs decrease with an increase in In content, and they cover the whole range between the values of AlN and InN. The bandgaps of InN/AlN SLs lattice-matched to AlN are smaller than those of free-standing InN/AlN SLs.
AB - Bandgaps of AlInN alloys, short-period InN/AlN superlattices (SLs), and short-period AlInN alloy SLs are calculated using first-principles calculations with the pseudopotential self-interaction correction method. The dependence of these bandgaps on the composition and thickness of the SLs and the influence of strain are investigated. It is found that the bandgaps of the InN/AlN SLs depend on both the composition and thickness of the SLs. The maximum value of the bandgap equal to 2.56 eV is obtained for 1InN/4AlN SLs. The bandgaps of AlInN alloy SLs decrease with an increase in In content, and they cover the whole range between the values of AlN and InN. The bandgaps of InN/AlN SLs lattice-matched to AlN are smaller than those of free-standing InN/AlN SLs.
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U2 - 10.1002/pssb.201900530
DO - 10.1002/pssb.201900530
M3 - Article
AN - SCOPUS:85074102057
SN - 0370-1972
VL - 257
JO - Physica Status Solidi (B): Basic Research
JF - Physica Status Solidi (B): Basic Research
IS - 4
M1 - 1900530
ER -