Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic Properties

Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic Properties

Abstract Introducing the synergy effect of magnetic properties and band gap engineering is highly desired for two-dimensional (2D) nanosheets. Here, we prepare metal-free ternary 2D carbon (C) doped boron nitride (BN) nanosheets (BCN) with band gap engineering and magnetic properties by a synergetic...

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Main Authors: Changlong Sun, Fukun Ma, Liang Cai, Aizhu Wang, Yongzhong Wu, Mingwen Zhao, Wensheng Yan, Xiaopeng Hao
Format: Article
Language:English
Published: Nature Publishing Group 2017-07-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-017-07143-6
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spelling doaj-020742085c60401bb2394cc8887801c82020-12-08T00:05:43ZengNature Publishing GroupScientific Reports2045-23222017-07-01711810.1038/s41598-017-07143-6Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic PropertiesChanglong Sun0Fukun Ma1Liang Cai2Aizhu Wang3Yongzhong Wu4Mingwen Zhao5Wensheng Yan6Xiaopeng Hao7State Key Lab of Crystal Materials, Shandong UniversityState Key Lab of Crystal Materials, Shandong UniversityNational Synchrotron Radiation Laboratory, University of Science and Technology of ChinaDepartment of Physics, Shandong UniversityState Key Lab of Crystal Materials, Shandong UniversityDepartment of Physics, Shandong UniversityNational Synchrotron Radiation Laboratory, University of Science and Technology of ChinaState Key Lab of Crystal Materials, Shandong UniversityAbstract Introducing the synergy effect of magnetic properties and band gap engineering is highly desired for two-dimensional (2D) nanosheets. Here, we prepare metal-free ternary 2D carbon (C) doped boron nitride (BN) nanosheets (BCN) with band gap engineering and magnetic properties by a synergetic way. The substitutional occupation of C atoms, as revealed by X-ray absorption spectrum, in BCN nanosheets induces tunable band gap reduction (5.5 eV to 2.6 eV) and intensive intrinsic ferromagnetism at room temperature. First-principle calculations also reveal that substituted C atoms in BCN nanosheets can broaden the light adsorption region and reduce the optical band gap, and ferromagnetic ordering is energetically more favorable than antiferromagnetic. This design opens up new possibility for synergetic manipulation of exchange interactions and band gap engineering in 2D nanostructures.https://doi.org/10.1038/s41598-017-07143-6
collection DOAJ
language English
format Article
sources DOAJ
author Changlong Sun
Fukun Ma
Liang Cai
Aizhu Wang
Yongzhong Wu
Mingwen Zhao
Wensheng Yan
Xiaopeng Hao
spellingShingle Changlong Sun
Fukun Ma
Liang Cai
Aizhu Wang
Yongzhong Wu
Mingwen Zhao
Wensheng Yan
Xiaopeng Hao
Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic Properties
Scientific Reports
author_facet Changlong Sun
Fukun Ma
Liang Cai
Aizhu Wang
Yongzhong Wu
Mingwen Zhao
Wensheng Yan
Xiaopeng Hao
author_sort Changlong Sun
title Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic Properties
title_short Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic Properties
title_full Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic Properties
title_fullStr Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic Properties
title_full_unstemmed Metal-free Ternary BCN Nanosheets with Synergetic Effect of Band Gap Engineering and Magnetic Properties
title_sort metal-free ternary bcn nanosheets with synergetic effect of band gap engineering and magnetic properties
publisher Nature Publishing Group
series Scientific Reports
issn 2045-2322
publishDate 2017-07-01
description Abstract Introducing the synergy effect of magnetic properties and band gap engineering is highly desired for two-dimensional (2D) nanosheets. Here, we prepare metal-free ternary 2D carbon (C) doped boron nitride (BN) nanosheets (BCN) with band gap engineering and magnetic properties by a synergetic way. The substitutional occupation of C atoms, as revealed by X-ray absorption spectrum, in BCN nanosheets induces tunable band gap reduction (5.5 eV to 2.6 eV) and intensive intrinsic ferromagnetism at room temperature. First-principle calculations also reveal that substituted C atoms in BCN nanosheets can broaden the light adsorption region and reduce the optical band gap, and ferromagnetic ordering is energetically more favorable than antiferromagnetic. This design opens up new possibility for synergetic manipulation of exchange interactions and band gap engineering in 2D nanostructures.
url https://doi.org/10.1038/s41598-017-07143-6
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