Article(id=1319222846954524677, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222716851405704, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20221034, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1669737600000, receivedDateStr=2022-11-30, revisedDate=1674835200000, revisedDateStr=2023-01-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456836689, onlineDateStr=2026-10-20, pubDate=1687190400000, pubDateStr=2023-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456836689, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456836689, creator=13701087609, updateTime=1792456836689, updator=13701087609, issue=Issue{id=1319222716851405704, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='6', pageStart='1373', pageEnd='1648', issueExtLink='null', onlineDate='null', pubDate='1687190400000', pubDateStr='2023-06-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456805669, creator='13701087609', updateTime=1792456995739, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319223514108903801, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222716851405704, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319223514108903802, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222716851405704, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1412, endPage=1424, ext={EN=ArticleExt(id=1319222847155851270, articleId=1319222846954524677, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Theoretical Study on Point Defects on Surfacesof KH2PO4 Crystals, columnId=1321890965510538116, journalTitle=Journal of the Chinese Ceramic Society, columnName=Special Topics Progress of Fundamental Research of Crystal Structures and Defects—Research Articles, runingTitle=null, highlight=null, articleAbstract=

KDP crystal is a nonlinear optical material that is used in inertial confinement nuclear fusion devices. However, the defects seriously reduce the optical performance such as light absorption and laser damage threshold of KDP crystals. It is thus of great significance to investigate the influence mechanism of KDP crystal defects on its electronic structure and optical properties for the improvement of its optical properties. In this paper, the structure, stability and electronic structure of hydrogen and oxygen vacancy defects (i.e., VH and VO) on the growth surfaces (100) and (101) of KDP crystals were investigated by using the first-principle calculation. The effect and microscopic mechanism of acidic environment on the structure and properties of surface defects were also discussed. The results indicate that the VH and VO defects both are easier to be formed on the surfaces (100) and (101) rather than in bulk KDP crystal. The surface (100) has an intense tolerance for surface VH and VO defects, while VO on the surface (101) prefers to lose electrons, and introduces a deep defect level in the band gap, thusdamagingthe optical properties of the KDP crystal. In addition, acidic environment canlead to more VO defects on the surface (100) and introduce the defect level in the band gap. Also, acidic environment is conducive to the repair of the VH defects on the surfaces, and can eliminate the defect states introduced by the surface VO defects on the surface (101), which is conducive to improving the quality and optical quality of the crystal surfaces.

, authors=Xiaoji ZHAO1, Yanlu LI1, Xian ZHAO2, authorsList=Xiaoji ZHAO, Yanlu LI, Xian ZHAO, authorCompany=null, correspAuthors=Yanlu LI, authorNote=

ZHAO Xiaoji (1996-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
LI Yanlu (1985-), female, Ph.D., Professor. E-mail:
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磷酸二氢钾(KH2PO4,KDP)晶体是目前唯一可在惯性约束核聚变装置中得到实际应用的非线性光学材料。由于晶体缺陷大大降低了非线性光吸收、激光损伤阈值等光学性能,因此,探明KDP晶体缺陷对其电子结构和光学性质的影响机制对于提升其光学性能具有重要意义。本工作采用第一性原理方法计算了KDP晶体(100)和(101)表面上氢空位和氧空位缺陷的结构、稳定性及电子结构特征,研究了酸环境对表面空位缺陷结构及电子结构的影响规律及微观机制。结果表明:氢空位和氧空位缺陷在KDP晶体(100)和(101)表面上均比在晶体中更容易形成。(100)表面对氢空位及氧空位均具有较高的容忍性,然而,(101)表面的氧空位极易失去电子,在带隙中引入缺陷能级,从而引起额外光吸收,对晶体光学性质产生不利影响。酸性环境会导致(100)表面产生更多氧空位,并诱导产生氧空位缺陷能级;同时,酸性环境有利于修复表面氢空位,并消除氧空位在(101)表面电子结构中引入的缺陷态,有利于提升晶体(101)表面质量及光学质量。

, authors=赵骁骥1, 李妍璐1, 赵显2, authorsList=赵骁骥, 李妍璐, 赵显, authorCompany=null, correspAuthors=李妍璐, authorNote=

赵骁骥(1996—),男,博士研究生。

, correspAuthorsNote=
李妍璐(1985—),女,博士,教授。
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ZHAO Xiaoji (1996-), male, Doctoral candidate. E-mail:

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赵骁骥(1996—),男,博士研究生。

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赵骁骥(1996—),男,博士研究生。

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磷酸二氢钾晶体表面点缺陷的理论研究
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赵骁骥 1 , 李妍璐 1 , 赵显 2
硅酸盐学报 | 晶体结构与缺陷相关基础研究进展专题—研究论文 2023,51(6): 1412-1424
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硅酸盐学报 |晶体结构与缺陷相关基础研究进展专题—研究论文 2023 , 51 (6) : 1412 -1424
磷酸二氢钾晶体表面点缺陷的理论研究
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赵骁骥1 , 李妍璐1 , 赵显2
作者信息
  • 1.山东大学晶体材料研究院,晶体材料国家重点实验室,济南 250100
  • 2.山东大学光学高等研究中心,山东 青岛 266237
通讯作者:
李妍璐(1985—),女,博士,教授。
作者简介:

赵骁骥(1996—),男,博士研究生。

Theoretical Study on Point Defects on Surfacesof KH2PO4 Crystals
Xiaoji ZHAO1 , Yanlu LI1 , Xian ZHAO2
Affiliations
  • 1.Institute of Crystal Materials and State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
  • 2.Center for Optics Research and Engineering, Shandong University, Qingdao 266237, Shandong, China
  • Corresponding Author:
    LI Yanlu (1985-), female, Ph.D., Professor. E-mail:

    ZHAO Xiaoji (1996-), male, Doctoral candidate. E-mail:

出版时间: 2023-06-20 doi: 10.14062/j.issn.0454-5648.20221034
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磷酸二氢钾(KH2PO4,KDP)晶体是目前唯一可在惯性约束核聚变装置中得到实际应用的非线性光学材料。由于晶体缺陷大大降低了非线性光吸收、激光损伤阈值等光学性能,因此,探明KDP晶体缺陷对其电子结构和光学性质的影响机制对于提升其光学性能具有重要意义。本工作采用第一性原理方法计算了KDP晶体(100)和(101)表面上氢空位和氧空位缺陷的结构、稳定性及电子结构特征,研究了酸环境对表面空位缺陷结构及电子结构的影响规律及微观机制。结果表明:氢空位和氧空位缺陷在KDP晶体(100)和(101)表面上均比在晶体中更容易形成。(100)表面对氢空位及氧空位均具有较高的容忍性,然而,(101)表面的氧空位极易失去电子,在带隙中引入缺陷能级,从而引起额外光吸收,对晶体光学性质产生不利影响。酸性环境会导致(100)表面产生更多氧空位,并诱导产生氧空位缺陷能级;同时,酸性环境有利于修复表面氢空位,并消除氧空位在(101)表面电子结构中引入的缺陷态,有利于提升晶体(101)表面质量及光学质量。

第一性原理  /  磷酸二氢钾  /  表面  /  缺陷

KDP crystal is a nonlinear optical material that is used in inertial confinement nuclear fusion devices. However, the defects seriously reduce the optical performance such as light absorption and laser damage threshold of KDP crystals. It is thus of great significance to investigate the influence mechanism of KDP crystal defects on its electronic structure and optical properties for the improvement of its optical properties. In this paper, the structure, stability and electronic structure of hydrogen and oxygen vacancy defects (i.e., VH and VO) on the growth surfaces (100) and (101) of KDP crystals were investigated by using the first-principle calculation. The effect and microscopic mechanism of acidic environment on the structure and properties of surface defects were also discussed. The results indicate that the VH and VO defects both are easier to be formed on the surfaces (100) and (101) rather than in bulk KDP crystal. The surface (100) has an intense tolerance for surface VH and VO defects, while VO on the surface (101) prefers to lose electrons, and introduces a deep defect level in the band gap, thusdamagingthe optical properties of the KDP crystal. In addition, acidic environment canlead to more VO defects on the surface (100) and introduce the defect level in the band gap. Also, acidic environment is conducive to the repair of the VH defects on the surfaces, and can eliminate the defect states introduced by the surface VO defects on the surface (101), which is conducive to improving the quality and optical quality of the crystal surfaces.

first-principles  /  potassium dihydrogen phosphate  /  surface  /  defect
赵骁骥, 李妍璐, 赵显. 磷酸二氢钾晶体表面点缺陷的理论研究. 硅酸盐学报, 2023 , 51 (6) : 1412 -1424 . DOI: 10.14062/j.issn.0454-5648.20221034
Xiaoji ZHAO, Yanlu LI, Xian ZHAO. Theoretical Study on Point Defects on Surfacesof KH2PO4 Crystals[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (6) : 1412 -1424 . DOI: 10.14062/j.issn.0454-5648.20221034
  • 山东省自然科学基金重大基础研究项目(ZR2020ZD35)
  • 山东大学“青年学者未来计划”(2018WLJH65)
  • 山东大学晶体材料国家重点实验室青年人才培育课题
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doi: 10.14062/j.issn.0454-5648.20221034
  • 接收时间:2022-11-30
  • 首发时间:2026-10-20
  • 出版时间:2023-06-20
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  • 收稿日期:2022-11-30
  • 修回日期:2023-01-28
基金
山东省自然科学基金重大基础研究项目(ZR2020ZD35)
山东大学“青年学者未来计划”(2018WLJH65)
山东大学晶体材料国家重点实验室青年人才培育课题
作者信息
    1.山东大学晶体材料研究院,晶体材料国家重点实验室,济南 250100
    2.山东大学光学高等研究中心,山东 青岛 266237

通讯作者:

李妍璐(1985—),女,博士,教授。
参考文献
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20221034
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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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