Article(id=1323703627763819352, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323703581911692256, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1120060800000, receivedDateStr=2005-06-30, revisedDate=1129910400000, revisedDateStr=2005-10-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1793525138083, onlineDateStr=2026-11-01, pubDate=1157385600000, pubDateStr=2006-09-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793525138083, onlineIssueDateStr=2026-11-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793525138083, creator=13701087609, updateTime=1793525138083, updator=13701087609, issue=Issue{id=1323703581911692256, tenantId=1146029695717560320, journalId=1255847867265597444, year='2006', volume='20', issue='3', pageStart='225', pageEnd='336', issueExtLink='null', onlineDate='null', pubDate='1157385600000', pubDateStr='2006-09-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793525127151, creator='13701087609', updateTime=1793525127151, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=291, endPage=295, ext={EN=ArticleExt(id=1323703627960951641, articleId=1323703627763819352, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Pressure Effect on Geometric Structure of Ge R8 Phase and Its Electronic Properties, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The electronic structure of Ge R8 phase has been investigated by first-principles method based on plane-wave basis, using norm-conserving pseudopotential and local density approximation. The dependence of structural parameters including lattice constants, rhombohedral angle, and atomic coordinates on pressure was also studied. The computed energy band-structure indicates that Ge R8 phase is a semimetal. Analysis of the total density of states and partial density of states shows a sharpening of valence-band edge, and the distribution of orbits was considered. At the same time, the variation of two different bond lengths was given along pressure which decreases with the increase of pressure; the underlying mechanism is also discussed.

, authors=Meng-Ya LÜ1, 2, Zhou-Wen CHEN1, Wen-Kui WANG1, Ri-Ping LIU1, authorsList=Meng-Ya LÜ, Zhou-Wen CHEN, Wen-Kui WANG, Ri-Ping LIU, authorCompany=null, correspAuthors=Ri-Ping LIU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1323703628149695322, articleId=1323703627763819352, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=锗R8相结构的压力效应及电子性质, columnId=null, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

使用第一性原理方法研究了锗R8相在压力下的电子结构。计算基于平面波基组,使用模守恒赝势和局域密度近似。对锗R8相结构参数的压力依赖性也进行了研究,包括晶格常数、伞状角、原子位置参数随压力的变化情况。计算得到的R8相的能带结构表明,锗R8相属于半金属相。对总的态密度和分波态密度进行了分析,并考虑了轨道分布情况,态密度呈现出带边的锐化。同时得到锗R8相的两种不同键的键长随压力的变化情况,并分析了这种变化的起因。

, authors=吕梦雅1, 2, 陈洲文1, 王文魁1, 刘日平1, authorsList=吕梦雅, 陈洲文, 王文魁, 刘日平, authorCompany=null, correspAuthors=刘日平, authorNote=

吕梦雅(1965—),女,博士研究生,副教授,主要研究方向为计算机模拟和系统仿真. E-mail:

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刘日平,男,博士,教授,主要研究方向为高压相变,大块非晶、空间材料. E-mail:
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锗R8相结构的压力效应及电子性质
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吕梦雅 1, 2 , 陈洲文 1 , 王文魁 1 , 刘日平 1
高压物理学报 | 2006,20(3): 291-295
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高压物理学报 | 2006 , 20 (3) : 291 -295
锗R8相结构的压力效应及电子性质
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吕梦雅1, 2 , 陈洲文1, 王文魁1, 刘日平1
作者信息
  • 1.燕山大学亚稳材料制备技术与科学重点实验室,河北 秦皇岛 066004
  • 2.燕山大学信息科学与工程学院,河北 秦皇岛 066004
通讯作者:
刘日平,男,博士,教授,主要研究方向为高压相变,大块非晶、空间材料. E-mail:
作者简介:

吕梦雅(1965—),女,博士研究生,副教授,主要研究方向为计算机模拟和系统仿真. E-mail:

Pressure Effect on Geometric Structure of Ge R8 Phase and Its Electronic Properties
Meng-Ya LÜ1, 2 , Zhou-Wen CHEN1, Wen-Kui WANG1, Ri-Ping LIU1
Affiliations
  • 1.Key Laboratory of Metastable Materials Science & Technology, Yanshan University, Qinhuangdao 066004, China
  • 2.College of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China
出版时间: 2006-09-05
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使用第一性原理方法研究了锗R8相在压力下的电子结构。计算基于平面波基组,使用模守恒赝势和局域密度近似。对锗R8相结构参数的压力依赖性也进行了研究,包括晶格常数、伞状角、原子位置参数随压力的变化情况。计算得到的R8相的能带结构表明,锗R8相属于半金属相。对总的态密度和分波态密度进行了分析,并考虑了轨道分布情况,态密度呈现出带边的锐化。同时得到锗R8相的两种不同键的键长随压力的变化情况,并分析了这种变化的起因。

R8相  /  第一性原理方法  /  电子结构

The electronic structure of Ge R8 phase has been investigated by first-principles method based on plane-wave basis, using norm-conserving pseudopotential and local density approximation. The dependence of structural parameters including lattice constants, rhombohedral angle, and atomic coordinates on pressure was also studied. The computed energy band-structure indicates that Ge R8 phase is a semimetal. Analysis of the total density of states and partial density of states shows a sharpening of valence-band edge, and the distribution of orbits was considered. At the same time, the variation of two different bond lengths was given along pressure which decreases with the increase of pressure; the underlying mechanism is also discussed.

R8 phase  /  first-principles method  /  electronic structure
吕梦雅, 陈洲文, 王文魁, 刘日平. 锗R8相结构的压力效应及电子性质. 高压物理学报, 2006 , 20 (3) : 291 -295 .
Meng-Ya LÜ, Zhou-Wen CHEN, Wen-Kui WANG, Ri-Ping LIU. Pressure Effect on Geometric Structure of Ge R8 Phase and Its Electronic Properties[J]. Chinese Journal of High Pressure Physics, 2006 , 20 (3) : 291 -295 .
  • 国家杰出青年科学基金(50325103)
参考文献 引证文献
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Mujica A, Rubio A, Nuñoz A, et al. High-Pressure Phases of Group-Ⅳ, Ⅲ-Ⅴ, and Ⅱ-ⅥCompounds[J]. Rev Mod Phys, 2003, 75: 863-912.
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2006年第20卷第3期
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  • 接收时间:2005-06-30
  • 首发时间:2026-11-01
  • 出版时间:2006-09-05
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  • 收稿日期:2005-06-30
  • 修回日期:2005-10-22
基金
国家杰出青年科学基金(50325103)
作者信息
    1.燕山大学亚稳材料制备技术与科学重点实验室,河北 秦皇岛 066004
    2.燕山大学信息科学与工程学院,河北 秦皇岛 066004

通讯作者:

刘日平,男,博士,教授,主要研究方向为高压相变,大块非晶、空间材料. E-mail:
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2种不同金属材料的力学参数
科
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属数
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genus
种数
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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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