Comparative Analysis of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2-x</sub> Crystals Grown via PVT

In this study, we comparatively analyzed the physical properties of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2−x</sub> crystals synthesized via physical vapor transport (PVT). Prior to crystal growth, the elementa...

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Main Authors: Ojun Kwon, Kyoungah Kim, Shi-Gwan Woo, Gun-Eik Jang, Byungjin Cho
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Crystals
Subjects:
Online Access:https://www.mdpi.com/2073-4352/10/12/1096
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author Ojun Kwon
Kyoungah Kim
Shi-Gwan Woo
Gun-Eik Jang
Byungjin Cho
author_facet Ojun Kwon
Kyoungah Kim
Shi-Gwan Woo
Gun-Eik Jang
Byungjin Cho
author_sort Ojun Kwon
collection DOAJ
description In this study, we comparatively analyzed the physical properties of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2−x</sub> crystals synthesized via physical vapor transport (PVT). Prior to crystal growth, the elemental mapping images obtained through scanning electron microscopy/energy-dispersive spectroscopy clearly showed the presence of Cl atoms (2.62%) in Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2−x</sub> powder; however, Cl atoms were not detected in Hg<sub>2</sub>Br<sub>2</sub> powder. After crystal growth by PVT, each single crystal was characterized using various analysis techniques, such as X-ray diffraction, X-ray photoelectron spectroscopy, and Raman spectroscopy. It was observed that the introduction of Cl elements into Hg<sub>2</sub>Br<sub>2</sub> crystals strongly affected the crystallinity and Raman vibration modes. Hence, this in-depth material characterization study proposed a feasible method to screen impurities in mercury halide crystals.
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spelling doaj.art-51bc392aa2f24f30b4c455b9bbc2f7df2023-11-20T22:56:15ZengMDPI AGCrystals2073-43522020-11-011012109610.3390/cryst10121096Comparative Analysis of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2-x</sub> Crystals Grown via PVTOjun Kwon0Kyoungah Kim1Shi-Gwan Woo2Gun-Eik Jang3Byungjin Cho4Department of Advanced Material Engineering, Chungbuk National University, Chungbuk 28644, KoreaOptical Material Group, Green Optics, Chungbuk 28126, KoreaOptical Material Group, Green Optics, Chungbuk 28126, KoreaDepartment of Advanced Material Engineering, Chungbuk National University, Chungbuk 28644, KoreaDepartment of Advanced Material Engineering, Chungbuk National University, Chungbuk 28644, KoreaIn this study, we comparatively analyzed the physical properties of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2−x</sub> crystals synthesized via physical vapor transport (PVT). Prior to crystal growth, the elemental mapping images obtained through scanning electron microscopy/energy-dispersive spectroscopy clearly showed the presence of Cl atoms (2.62%) in Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2−x</sub> powder; however, Cl atoms were not detected in Hg<sub>2</sub>Br<sub>2</sub> powder. After crystal growth by PVT, each single crystal was characterized using various analysis techniques, such as X-ray diffraction, X-ray photoelectron spectroscopy, and Raman spectroscopy. It was observed that the introduction of Cl elements into Hg<sub>2</sub>Br<sub>2</sub> crystals strongly affected the crystallinity and Raman vibration modes. Hence, this in-depth material characterization study proposed a feasible method to screen impurities in mercury halide crystals.https://www.mdpi.com/2073-4352/10/12/1096mercury halidesphysical vapor transport (PVT)crystal growth
spellingShingle Ojun Kwon
Kyoungah Kim
Shi-Gwan Woo
Gun-Eik Jang
Byungjin Cho
Comparative Analysis of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2-x</sub> Crystals Grown via PVT
Crystals
mercury halides
physical vapor transport (PVT)
crystal growth
title Comparative Analysis of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2-x</sub> Crystals Grown via PVT
title_full Comparative Analysis of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2-x</sub> Crystals Grown via PVT
title_fullStr Comparative Analysis of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2-x</sub> Crystals Grown via PVT
title_full_unstemmed Comparative Analysis of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2-x</sub> Crystals Grown via PVT
title_short Comparative Analysis of Hg<sub>2</sub>Br<sub>2</sub> and Hg<sub>2</sub>Br<sub>x</sub>Cl<sub>2-x</sub> Crystals Grown via PVT
title_sort comparative analysis of hg sub 2 sub br sub 2 sub and hg sub 2 sub br sub x sub cl sub 2 x sub crystals grown via pvt
topic mercury halides
physical vapor transport (PVT)
crystal growth
url https://www.mdpi.com/2073-4352/10/12/1096
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