Article(id=1322612233780187245, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612228126265395, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20190552, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1565020800000, receivedDateStr=2019-08-06, revisedDate=1568563200000, revisedDateStr=2019-09-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1793264929480, onlineDateStr=2026-10-29, pubDate=1587312000000, pubDateStr=2020-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793264929480, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793264929480, creator=13701087609, updateTime=1793264929480, updator=13701087609, issue=Issue{id=1322612228126265395, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='4', pageStart='463', pageEnd='614', issueExtLink='null', onlineDate='null', pubDate='1587312000000', pubDateStr='2020-04-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793264928132, creator='13701087609', updateTime=1793276729826, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322661728073138752, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612228126265395, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322661728073138753, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612228126265395, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=507, endPage=513, ext={EN=ArticleExt(id=1322612234203811950, articleId=1322612233780187245, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=First-Principles Investigation of GaInSe2 Monolayer as a Janus Material, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The stable GaInSe2 monolayer as a Janus structure with an indirect band-gap was investigated via first-principles electronic structure calculations. The intrinsic correlation between GaInSe2 monolayer and its binary analogues (GaSe and InSe monolayers) was investigated in terms of atomic structure and electronic property. The calculation results of atomic structure and phonon frequency dispersion indicate that GaInSe2 monolayer has a dynamically stable Janus structure with the similar hexagonal geometry as GaSe and InSe monolayers. The electronic band structures show that GaInSe2 monolayer and its binary analogues are all indirect band-gap semiconductors. It is noted from the strained Janus model that work functions and coherent strains of GaSe and InSe constituents essentially determine the electronic structure of GaInSe2 monolayer. GaInSe2 monolayer can be converted into direct band-gap semiconductor when the strain in atomic plane is decreased less than a critical value. Therefore, GaInSe2 monolayer can be applied to 2-dimensional or surface photoelectric materials under the mechanical conditions below the critical strain. Further, the band-edge character and band-gap width can be effectively controlled by modifying the strains in atomic plane of GaInSe2 monolayer, which is of great significance for the potential application in field effect nanotransistors.

, authors=Xianda XU, Weifeng SUN, authorsList=Xianda XU, Weifeng SUN, authorCompany=null, correspAuthors=Weifeng SUN, authorNote=

XU Xianda (1994-), male, Master candidate. E-mail:

, correspAuthorsNote=
SUN Weifeng (1977-), male, Ph.D., Associate Professor. E-mail:
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按照第一原理赝势平面波方法研究具有稳定间接带隙的单层Janus二维半导体GaInSe2的电子结构,探讨构建Janus结构的单层GaSe和InSe与GaInSe2的结构和电子性质之间的内禀关系。原子结构和声子色散谱的计算结果证明单层GaInSe2与GaSe和InSe有着相似的六边形几何构型,具有动态稳定的Janus结构。电子能带结构表明GaInSe2与其二元类似物GaSe和InSe都是间接带隙半导体,GaSe和InSe之间的应变和功函数决定了单层GaInSe2电子结构的基本特征。当原子层平面方向上的应变小于临界值时,单层GaInSe2可转化为直接带隙半导体。因此,在应变小于临界应变的力学条件下,单层GaInSe2可用作二维或表面光电材料。此外,通过调节层平面方向上的应变,可以有效地控制GaInSe2能带的带边特性和带隙宽度,这对于场效应晶体管的潜在应用具有重要意义。

, authors=徐贤达, 孙伟峰, authorsList=徐贤达, 孙伟峰, authorCompany=null, correspAuthors=孙伟峰, authorNote=

徐贤达(1994—),男,硕士。

, correspAuthorsNote=
孙伟峰(1977—),男,博士,副教授。
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单层Janus材料GaInSe2的电子结构第一原理计算
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徐贤达 , 孙伟峰
硅酸盐学报 | 2020,48(4): 507-513
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硅酸盐学报 | 2020 , 48 (4) : 507 -513
单层Janus材料GaInSe2的电子结构第一原理计算
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徐贤达 , 孙伟峰
作者信息
  • 哈尔滨理工大学电气与电子工程学院,工程电介质及其应用教育部重点实验室,黑龙江省电介质工程重点实验室,哈尔滨 150080
通讯作者:
孙伟峰(1977—),男,博士,副教授。
作者简介:

徐贤达(1994—),男,硕士。

First-Principles Investigation of GaInSe2 Monolayer as a Janus Material
Xianda XU , Weifeng SUN
Affiliations
  • Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Heilongjiang Provincial Key Laboratory of Dielectric Engineering, School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
  • Corresponding Author:
    SUN Weifeng (1977-), male, Ph.D., Associate Professor. E-mail:

    XU Xianda (1994-), male, Master candidate. E-mail:

出版时间: 2020-04-20 doi: 10.14062/j.issn.0454-5648.20190552
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按照第一原理赝势平面波方法研究具有稳定间接带隙的单层Janus二维半导体GaInSe2的电子结构,探讨构建Janus结构的单层GaSe和InSe与GaInSe2的结构和电子性质之间的内禀关系。原子结构和声子色散谱的计算结果证明单层GaInSe2与GaSe和InSe有着相似的六边形几何构型,具有动态稳定的Janus结构。电子能带结构表明GaInSe2与其二元类似物GaSe和InSe都是间接带隙半导体,GaSe和InSe之间的应变和功函数决定了单层GaInSe2电子结构的基本特征。当原子层平面方向上的应变小于临界值时,单层GaInSe2可转化为直接带隙半导体。因此,在应变小于临界应变的力学条件下,单层GaInSe2可用作二维或表面光电材料。此外,通过调节层平面方向上的应变,可以有效地控制GaInSe2能带的带边特性和带隙宽度,这对于场效应晶体管的潜在应用具有重要意义。

Janus二维结构  /  电子结构  /  第一原理计算  /  光电子材料

The stable GaInSe2 monolayer as a Janus structure with an indirect band-gap was investigated via first-principles electronic structure calculations. The intrinsic correlation between GaInSe2 monolayer and its binary analogues (GaSe and InSe monolayers) was investigated in terms of atomic structure and electronic property. The calculation results of atomic structure and phonon frequency dispersion indicate that GaInSe2 monolayer has a dynamically stable Janus structure with the similar hexagonal geometry as GaSe and InSe monolayers. The electronic band structures show that GaInSe2 monolayer and its binary analogues are all indirect band-gap semiconductors. It is noted from the strained Janus model that work functions and coherent strains of GaSe and InSe constituents essentially determine the electronic structure of GaInSe2 monolayer. GaInSe2 monolayer can be converted into direct band-gap semiconductor when the strain in atomic plane is decreased less than a critical value. Therefore, GaInSe2 monolayer can be applied to 2-dimensional or surface photoelectric materials under the mechanical conditions below the critical strain. Further, the band-edge character and band-gap width can be effectively controlled by modifying the strains in atomic plane of GaInSe2 monolayer, which is of great significance for the potential application in field effect nanotransistors.

two-dimensional Janus structure  /  electronic structure  /  first-principles calculation  /  optoelectronic material
徐贤达, 孙伟峰. 单层Janus材料GaInSe2的电子结构第一原理计算. 硅酸盐学报, 2020 , 48 (4) : 507 -513 . DOI: 10.14062/j.issn.0454-5648.20190552
Xianda XU, Weifeng SUN. First-Principles Investigation of GaInSe2 Monolayer as a Janus Material[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (4) : 507 -513 . DOI: 10.14062/j.issn.0454-5648.20190552
  • 中国博士后科学基金面上资助二等资助(2013M531058)
  • 国家自然科学基金(51607048)
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2020年第48卷第4期
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doi: 10.14062/j.issn.0454-5648.20190552
  • 接收时间:2019-08-06
  • 首发时间:2026-10-29
  • 出版时间:2020-04-20
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  • 收稿日期:2019-08-06
  • 修回日期:2019-09-16
基金
中国博士后科学基金面上资助二等资助(2013M531058)
国家自然科学基金(51607048)
作者信息
    哈尔滨理工大学电气与电子工程学院,工程电介质及其应用教育部重点实验室,黑龙江省电介质工程重点实验室,哈尔滨 150080

通讯作者:

孙伟峰(1977—),男,博士,副教授。
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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