Polarized light emission from antiphase boundaries acting as slanting quantum wells in GaP InP short-period superlattices

Yutaka Ohno

doi:10.1103/PhysRevB.72.121307

Polarized light emission from antiphase boundaries acting as slanting quantum wells in GaP InP short-period superlattices

Yutaka Ohno

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

9 Citations (Scopus)

Abstract

Optical properties of anti-phase boundaries (APBs) in monolayer superlattices of GaP InP are studied. Determining selectively the arrangements of In and Ga atoms around APBs by cross-sectional scanning tunneling microscopy, it is found that atomic layers of InP on (1̄11) and (1̄10), sandwiched between the domains of superlattices, are formed on APBs. Polarized cathodoluminescence spectroscopy in a transmission electron microscope suggested that the InP layers act as quantum wells oriented on a slant with respect to the substrate and they emit light linearly polarized parallel to the layers.

Original language	English
Article number	121307
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.72.121307
Publication status	Published - 2005 Sept 15
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.72.121307

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abstract = "Optical properties of anti-phase boundaries (APBs) in monolayer superlattices of GaP InP are studied. Determining selectively the arrangements of In and Ga atoms around APBs by cross-sectional scanning tunneling microscopy, it is found that atomic layers of InP on ({\=1}11) and ({\=1}10), sandwiched between the domains of superlattices, are formed on APBs. Polarized cathodoluminescence spectroscopy in a transmission electron microscope suggested that the InP layers act as quantum wells oriented on a slant with respect to the substrate and they emit light linearly polarized parallel to the layers.",

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N2 - Optical properties of anti-phase boundaries (APBs) in monolayer superlattices of GaP InP are studied. Determining selectively the arrangements of In and Ga atoms around APBs by cross-sectional scanning tunneling microscopy, it is found that atomic layers of InP on (1̄11) and (1̄10), sandwiched between the domains of superlattices, are formed on APBs. Polarized cathodoluminescence spectroscopy in a transmission electron microscope suggested that the InP layers act as quantum wells oriented on a slant with respect to the substrate and they emit light linearly polarized parallel to the layers.

AB - Optical properties of anti-phase boundaries (APBs) in monolayer superlattices of GaP InP are studied. Determining selectively the arrangements of In and Ga atoms around APBs by cross-sectional scanning tunneling microscopy, it is found that atomic layers of InP on (1̄11) and (1̄10), sandwiched between the domains of superlattices, are formed on APBs. Polarized cathodoluminescence spectroscopy in a transmission electron microscope suggested that the InP layers act as quantum wells oriented on a slant with respect to the substrate and they emit light linearly polarized parallel to the layers.

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Polarized light emission from antiphase boundaries acting as slanting quantum wells in GaP InP short-period superlattices

Abstract

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