Reactive spark plasma-assisted synthesis of metastable rare-earth ferrites with widely tunable charge ordering transfer properties
文献类型：期刊论文
| 作者 | Cui, YC; Li, Z; Li, HY ; Bian, Y; Zhang, H; Zhang, F; Wang, JU; Jiang, Y; Chen, NF; Chen, JK
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| 刊名 | PHYSICAL CHEMISTRY CHEMICAL PHYSICS
 |
| 出版日期 | 2022 |
| 卷号 | 24期号:45页码:27915-27922 |
| ISSN号 | 1463-9076 |
| DOI | 10.1039/d2cp02592b |
| 文献子类 | Article |
| 英文摘要 | Although the d-band correlations within metastable rare-earth ferrites (ReFe2O4) enable charge ordering transition functionalities beyond conventional semiconductors, their material synthesis yet requires a reducing atmosphere that is toxic and explosive. Herein, we demonstrate a reactive spark plasma sintering (RSPS) strategy to effectively synthesize metastable ReFe2O4 (Re = Er, Tm, Yb, Lu) simply in coarse vacuum within a greatly shortened reaction period. High flexibility is gained in adjusting their rare-earth composition and thereby the charge ordering transition temperature within 218-330 K. Assisted by the temperature-dependent near edge X-ray absorption fine structure (NEXAFS) analysis, an elevation in the Fe3+/Fe2+ orbital configuration within ReFe2O4 was observed compared to previous reports, and it is consistent with their higher Mott temperature and activation energy observed in their electrical transportations. This work elucidates stabilization of the metastable phase (e.g., ReFe2O4) via the non-equilibrium processes of RSPS beyond the thermodynamic restrictions. |
| 电子版国际标准刊号 | 1463-9084 |
| 语种 | 英语 |
| WOS记录号 | WOS:000883679500001 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/300098]  |
| 专题 | 高能物理研究所_多学科研究中心 高能物理研究所_加速器中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Cui, YC,Li, Z,Li, HY,et al. Reactive spark plasma-assisted synthesis of metastable rare-earth ferrites with widely tunable charge ordering transfer properties[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2022,24(45):27915-27922. |
| APA | Cui, YC.,Li, Z.,Li, HY.,Bian, Y.,Zhang, H.,...&Chen, JK.(2022).Reactive spark plasma-assisted synthesis of metastable rare-earth ferrites with widely tunable charge ordering transfer properties.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,24(45),27915-27922. |
| MLA | Cui, YC,et al."Reactive spark plasma-assisted synthesis of metastable rare-earth ferrites with widely tunable charge ordering transfer properties".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 24.45(2022):27915-27922. |
入库方式： OAI收割
来源：高能物理研究所
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