Theoretical study of optical properties of non-polar BAlGaN/AlN quantum wells lattice-matched to AlN

Seoung Hwan Park; Doyeol Ahn

doi:10.1016/j.ssc.2019.01.006

Theoretical study of optical properties of non-polar BAlGaN/AlN quantum wells lattice-matched to AlN

Seoung Hwan Park, Doyeol Ahn

School of Electrical and Computer Engineering

Catholic University of Daegu

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Light emission characteristics of non-polar ultraviolet (UV) B _x Al _y Ga _1−x−y N/AlN quantum well (QW) structures lattice-matched to AlN substrate were theoretically investigated using the multiband effective-mass theory. The peak intensity of the non-polar BAlGaN/AlN QW structure lattice-matched to AlN is found to be much larger than that of the c-plane BAlGaN/BAlGaN QW structure lattice-matched to AlN. Also, the lattice-matched BAlGaN/AlN QW structure shows a large polarization ratio and its value changes from 0.7 to 0.9 in an investigated range of carrier density. We expect that non-polar BAlGaN/BAlGaN QW structures lattice-matched to AlN could be used as a UV light source with a higher crystal quality.

Original language	English
Pages (from-to)	67-69
Number of pages	3
Journal	Solid State Communications
Volume	290
DOIs	https://doi.org/10.1016/j.ssc.2019.01.006
State	Published - Mar 2019

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title = "Theoretical study of optical properties of non-polar BAlGaN/AlN quantum wells lattice-matched to AlN",

abstract = " Light emission characteristics of non-polar ultraviolet (UV) B x Al y Ga 1−x−y N/AlN quantum well (QW) structures lattice-matched to AlN substrate were theoretically investigated using the multiband effective-mass theory. The peak intensity of the non-polar BAlGaN/AlN QW structure lattice-matched to AlN is found to be much larger than that of the c-plane BAlGaN/BAlGaN QW structure lattice-matched to AlN. Also, the lattice-matched BAlGaN/AlN QW structure shows a large polarization ratio and its value changes from 0.7 to 0.9 in an investigated range of carrier density. We expect that non-polar BAlGaN/BAlGaN QW structures lattice-matched to AlN could be used as a UV light source with a higher crystal quality.",

author = "Park, {Seoung Hwan} and Doyeol Ahn",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

year = "2019",

month = mar,

doi = "10.1016/j.ssc.2019.01.006",

language = "English",

volume = "290",

pages = "67--69",

journal = "Solid State Communications",

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T1 - Theoretical study of optical properties of non-polar BAlGaN/AlN quantum wells lattice-matched to AlN

AU - Park, Seoung Hwan

AU - Ahn, Doyeol

PY - 2019/3

Y1 - 2019/3

N2 - Light emission characteristics of non-polar ultraviolet (UV) B x Al y Ga 1−x−y N/AlN quantum well (QW) structures lattice-matched to AlN substrate were theoretically investigated using the multiband effective-mass theory. The peak intensity of the non-polar BAlGaN/AlN QW structure lattice-matched to AlN is found to be much larger than that of the c-plane BAlGaN/BAlGaN QW structure lattice-matched to AlN. Also, the lattice-matched BAlGaN/AlN QW structure shows a large polarization ratio and its value changes from 0.7 to 0.9 in an investigated range of carrier density. We expect that non-polar BAlGaN/BAlGaN QW structures lattice-matched to AlN could be used as a UV light source with a higher crystal quality.

AB - Light emission characteristics of non-polar ultraviolet (UV) B x Al y Ga 1−x−y N/AlN quantum well (QW) structures lattice-matched to AlN substrate were theoretically investigated using the multiband effective-mass theory. The peak intensity of the non-polar BAlGaN/AlN QW structure lattice-matched to AlN is found to be much larger than that of the c-plane BAlGaN/BAlGaN QW structure lattice-matched to AlN. Also, the lattice-matched BAlGaN/AlN QW structure shows a large polarization ratio and its value changes from 0.7 to 0.9 in an investigated range of carrier density. We expect that non-polar BAlGaN/BAlGaN QW structures lattice-matched to AlN could be used as a UV light source with a higher crystal quality.

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U2 - 10.1016/j.ssc.2019.01.006

DO - 10.1016/j.ssc.2019.01.006

M3 - Article

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SN - 0038-1098

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SP - 67

EP - 69

JO - Solid State Communications

JF - Solid State Communications

ER -

Theoretical study of optical properties of non-polar BAlGaN/AlN quantum wells lattice-matched to AlN

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