Pressure-Induced Reversible Phase Transitions in a New Metastable Phase of Vanadium Dioxide
文献类型：期刊论文
| 作者 | Zhang, HF; Li, QJ; Wang, F; Liu, R; Mao, YL; Liu, ZX; Li, XD; Yang, K; Cui, T; Liu, BB |
| 刊名 | JOURNAL OF PHYSICAL CHEMISTRY C
 |
| 出版日期 | 2019 |
| 卷号 | 123期号:1页码:955—962 |
| 关键词 | X-RAY-DIFFRACTION CRYSTAL-STRUCTURE INDUCED AMORPHIZATION ZRO2 |
| ISSN号 | 1932-7447 |
| DOI | 10.1021/acs.jpcc.8b11643 |
| 文献子类 | 期刊论文 |
| 英文摘要 | Exploring the structural and physical properties of new vanadium dioxide (VO2) allotropes has attracted considerable interest because of the structure diversity and unique physical properties of VO2. Here, we demonstrate a reversible pressure-induced structural transition and metallization of the novel metastable polymorph VO2(Mx') and a thermally driven structural transition from VO2(Mx') to the monoclinic phase VO2(M1) at relative low temperature based on X-ray diffraction (XRD) and Raman and infrared spectroscopy. It is shown that the metastable phase VO2(Mx') undergoes the structural transitions of VO2(Mx')-(12 GPa) VO2(Mx '')-(30-80 GPa) VO2(X) upon compression, obviously different from the pressure-induced amorphization observed in other metastable phases VO2(A) and VO2(B). Moreover, the IR data demonstrated that the pressure-induced metallization (PIM) occurs in the VO2(Mx '') phase at about 40 GPa, which is mainly associated with electron-electron correlations. Further analysis suggests that all of the sample transforming into the same high-pressure VO2(X) phase with phase could mainly result from the VO6 octahedra and empty spaces between VO6 octahedra in their intermediate high pressure phases VO2(Mx '') and VO2(M1') following similar variations under pressure. These findings present new insight into the differences of structural transitions and physical properties between the stable and metastable phases of transition-metal oxides under pressure. |
| 语种 | 英语 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/31771]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 作者单位 | 1.Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Jilin, Peoples R China; 2.Henan Univ, Sch Phys & Elect, Kaifeng 475004, Peoples R China; 3.Carnegie Inst Sci, U2A Beam Line, Upton, NY 11973 USA; 4.Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R China; 5.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, HF,Li, QJ,Wang, F,et al. Pressure-Induced Reversible Phase Transitions in a New Metastable Phase of Vanadium Dioxide[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2019,123(1):955—962. |
| APA | Zhang, HF.,Li, QJ.,Wang, F.,Liu, R.,Mao, YL.,...&Liu, BB.(2019).Pressure-Induced Reversible Phase Transitions in a New Metastable Phase of Vanadium Dioxide.JOURNAL OF PHYSICAL CHEMISTRY C,123(1),955—962. |
| MLA | Zhang, HF,et al."Pressure-Induced Reversible Phase Transitions in a New Metastable Phase of Vanadium Dioxide".JOURNAL OF PHYSICAL CHEMISTRY C 123.1(2019):955—962. |
入库方式： OAI收割
来源：上海应用物理研究所
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