Article(id=1325114845753902000, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325114771112079843, 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=1294156800000, receivedDateStr=2011-01-05, revisedDate=1301241600000, revisedDateStr=2011-03-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861598670, onlineDateStr=2026-11-05, pubDate=1339689600000, pubDateStr=2012-06-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861598670, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861598670, creator=13701087609, updateTime=1793861598670, updator=13701087609, issue=Issue{id=1325114771112079843, tenantId=1146029695717560320, journalId=1255847867265597444, year='2012', volume='26', issue='3', pageStart='241', pageEnd='360', issueExtLink='null', onlineDate='null', pubDate='1339689600000', pubDateStr='2012-06-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861580875, creator='13701087609', updateTime=1793861580875, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=338, endPage=342, ext={EN=ArticleExt(id=1325114852070523831, articleId=1325114845753902000, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Pressure-Iduced Phase Transition of LiAl5O8, columnId=0, journalTitle=Chinese Journal of High Pressure Physics, columnName=, runingTitle=null, highlight=null, articleAbstract=

A phase transition concerning lithium aluminate oxide (LiAl5O8) was observed. High pressure synchrotron radiation X-ray diffraction was used to explore its structure in a diamond anvil cell up to 47.0 GPa. We found the two phases are coexisted over a very large pressure range in the experiments. According to the analysis on the dynamic change of diffraction peaks with the increasing of pressure and the data reduction using indexed program, a new high-pressure phase of LiAl5O8 was identified at pressure below 45.0 GPa. This new phase has potentially a orthorhombic structure with a=0.995 9 nm, b=0.644 7 nm, c=0.333 4 nm and the space group of Pmm2.

, authors=Qi WU1, Fang PENG1, Qing-Hua LI1, Li LEI2, Rong-Qi LI1, authorsList=Qi WU, Fang PENG, Qing-Hua LI, Li LEI, Rong-Qi LI, authorCompany=null, correspAuthors=Fang PENG, authorNote=

WU Qi(1986—), female, graduate student, major in high pressure science and technology. E-mail:

, correspAuthorsNote=
PENG Fang(1960—), male, Ph. D., associate professor, major in high pressure science and technology. E-mail:
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运用金刚石压砧同步辐射X射线衍射,对尖晶石结构的LiAl5O8进行了高压原位研究。实验发现:在高压下,一组LiAl5O8的新相衍射峰出现,随着压力的增加,其新相衍射峰逐渐增强,当压力增加到45.0 GPa时,LiAl5O8的低压相衍射峰全部消失,而形成了一组高压新相衍射峰。采用指标化程序对衍射数据进行处理和分析,确定这一高压新相为正交晶系结构,其晶胞参数为a=0.995 9 nm,b=0.644 7 nm,c=0.333 4 nm,空间群为Pmm2。

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LiAl5O8高压相变研究
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武琪 1 , 彭放 1 , 李庆华 1 , 雷力 2 , 李荣祺 1
高压物理学报 | 2012,26(3): 338-342
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高压物理学报 2012 , 26 (3) : 338 -342
LiAl5O8高压相变研究
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武琪1 , 彭放1 , 李庆华1, 雷力2, 李荣祺1
作者信息
  • 1.四川大学原子与分子物理研究所,四川 成都 610065
  • 2.爱媛大学地球动力学研究中心,日本 松山 790-8677
通讯作者:
彭放
Pressure-Iduced Phase Transition of LiAl5O8
Qi WU1 , Fang PENG1 , Qing-Hua LI1, Li LEI2, Rong-Qi LI1
Affiliations
  • 1.Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
  • 2.Geodynamics Research Center, Ehime University Bunkyo-cho 2-5, Matsuyama 790-8577, Japan
  • Corresponding Author:
    PENG Fang(1960—), male, Ph. D., associate professor, major in high pressure science and technology. E-mail:

    WU Qi(1986—), female, graduate student, major in high pressure science and technology. E-mail:

出版时间: 2012-06-15
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运用金刚石压砧同步辐射X射线衍射,对尖晶石结构的LiAl5O8进行了高压原位研究。实验发现:在高压下,一组LiAl5O8的新相衍射峰出现,随着压力的增加,其新相衍射峰逐渐增强,当压力增加到45.0 GPa时,LiAl5O8的低压相衍射峰全部消失,而形成了一组高压新相衍射峰。采用指标化程序对衍射数据进行处理和分析,确定这一高压新相为正交晶系结构,其晶胞参数为a=0.995 9 nm,b=0.644 7 nm,c=0.333 4 nm,空间群为Pmm2。

LiAl5O8  /  高压  /  相变

A phase transition concerning lithium aluminate oxide (LiAl5O8) was observed. High pressure synchrotron radiation X-ray diffraction was used to explore its structure in a diamond anvil cell up to 47.0 GPa. We found the two phases are coexisted over a very large pressure range in the experiments. According to the analysis on the dynamic change of diffraction peaks with the increasing of pressure and the data reduction using indexed program, a new high-pressure phase of LiAl5O8 was identified at pressure below 45.0 GPa. This new phase has potentially a orthorhombic structure with a=0.995 9 nm, b=0.644 7 nm, c=0.333 4 nm and the space group of Pmm2.

LiAl5O8  /  high pressure  /  phase transition
武琪, 彭放, 李庆华, 雷力, 李荣祺. LiAl5O8高压相变研究. 高压物理学报, 2012 , 26 (3) : 338 -342 .
Qi WU, Fang PENG, Qing-Hua LI, Li LEI, Rong-Qi LI. Pressure-Iduced Phase Transition of LiAl5O8[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (3) : 338 -342 .

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2012年第26卷第3期
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  • 接收时间:2011-01-05
  • 首发时间:2026-11-05
  • 出版时间:2012-06-15
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  • 收稿日期:2011-01-05
  • 修回日期:2011-03-28
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    1.四川大学原子与分子物理研究所,四川 成都 610065
    2.爱媛大学地球动力学研究中心,日本 松山 790-8677

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2种不同金属材料的力学参数
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species
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Percentage of
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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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