中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Effect of Grain Size on Pressure-Induced Structural Transition in Mn3O4

文献类型:期刊论文

作者Lv, Hang1; Yao, Mingguang1; Li, Quanjun1; Li, Zepeng1,5; Liu, Bo1; Liu, Ran1; Lu, Shuangchen1; Li, Dongmei1; Mao, Jun2; Ji, Xiangling2
刊名JOURNAL OF PHYSICAL CHEMISTRY C
出版日期2012-01-26
卷号116期号:3页码:2165-2171
ISSN号1932-7447
DOI10.1021/jp2067028
英文摘要The size effect on structural transitions of Mn3O4 has been investigated under pressures by in situ synchrotron X-ray diffraction and Raman technique in a diamond anvil cell. Compared with bulk Mn3O4, Mn3O4 nanoparticles show an obvious elevation of phase transition pressure and different phase transformation routines with the occurrence of a new high-pressure phase at 14.5-23.5 GPa. The new phase most probably has an orthorhombic CaTi2O4-type structure, which is regarded as a metastable phase transforming to the higher pressure marokite-like structure. By the return to ambient pressure, the marokite phase is quenchable in bulk Mn3O4, whereas the coexistence of hausmannite and marokite phase is observed in the recovered Mn3O4 nanoparticles. It is proposed that the unique atomic conformation in Mn3O4 spinel structures, the cation distribution, and the higher surface energy together with the size-induced effect of nanocrystalline Mn3O4 probably play crucial roles in the high-pressure behavior of Mn3O4 nanoparticles.
语种英语
WOS记录号WOS:000299584400016
出版者AMER CHEMICAL SOC
源URL[http://ir.iccas.ac.cn/handle/121111/47829]  
专题中国科学院化学研究所
通讯作者Liu, Bingbing
作者单位1.Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China
2.Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Changchun Inst Appl Chem, Changchun 130012, Peoples R China
3.Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R China
4.SUNY Stony Brook, GeoSci Dept, Stony Brook, NY 11794 USA
5.Civil Aviat Univ China, Coll Sci, Tianjin 300300, Peoples R China
推荐引用方式
GB/T 7714
Lv, Hang,Yao, Mingguang,Li, Quanjun,et al. Effect of Grain Size on Pressure-Induced Structural Transition in Mn3O4[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2012,116(3):2165-2171.
APA Lv, Hang.,Yao, Mingguang.,Li, Quanjun.,Li, Zepeng.,Liu, Bo.,...&Liu, Bingbing.(2012).Effect of Grain Size on Pressure-Induced Structural Transition in Mn3O4.JOURNAL OF PHYSICAL CHEMISTRY C,116(3),2165-2171.
MLA Lv, Hang,et al."Effect of Grain Size on Pressure-Induced Structural Transition in Mn3O4".JOURNAL OF PHYSICAL CHEMISTRY C 116.3(2012):2165-2171.

入库方式: OAI收割

来源:化学研究所

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