Long-range antiferromagnetic order in the frustrated XY pyrochlore antiferromagnet Er2Ge2O7
文献类型：期刊论文
| 作者 | Li, X ; Li, WM ; Matsubayashi, K ; Sato, Y ; Jin, CQ ; Uwatoko, Y ; Kawae, T ; Hallas, AM ; Wiebe, CR ; Arevalo-Lopez, AM ; Attfield, JP ; Gardner, JS ; Freitas, RS ; Zhou, HD ; Cheng, JG |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2014 |
| 卷号 | 89期号:6 |
| ISSN号 | 1098-0121 |
| 通讯作者 | Li, X (reprint author), Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | A cubic Er2Ge2O7 pyrochlore was prepared under high-pressure and high-temperature conditions and its magnetic ground state was investigated by measurements of specific heat, dc and ac magnetic susceptibility as functions of temperature, pressure, and magnetic field. We found that Er2Ge2O7 undergoes a long-range antiferromagnetic transition at T-N approximate to 1.4 K, which can be further enhanced by applying external physical pressure. On the other hand, application of external magnetic fields suppresses the antiferromagnetic order to zero temperature around H-c approximate to 2.3 T, where a magnetic-field-induced spin-flop transition was observed. H-c increases accordinglywith increasing T-N under external pressure. Acomparison of the magnetic ground states and structural variations along the isostructural series Er2B2O7 (B = Sn, Ti, Ge) together with the high-pressure study on Er2Ge2O7 indicated that the magnetic properties of these highly frustrated XY pyrochlore antiferromagnets are very sensitive to the minute structural changes that determine the anisotropic exchange interactions and the local crystal-electric-field environments of Er3+ ions. |
| 资助信息 | NSFC; MOST; Chinese Academy of Sciences [11304371, 2014CB921500, Y2K5016 x 51]; KAKENHI [12F02023, 24740220, 23340101, 252460135]; NSERC; CRC program, CFI; ACS petroleum Fund; EPSRC; Royal Society |
| 语种 | 英语 |
| 公开日期 | 2015-04-14 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/59563]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Li, X,Li, WM,Matsubayashi, K,et al. Long-range antiferromagnetic order in the frustrated XY pyrochlore antiferromagnet Er2Ge2O7[J]. PHYSICAL REVIEW B,2014,89(6). |
| APA | Li, X.,Li, WM.,Matsubayashi, K.,Sato, Y.,Jin, CQ.,...&Cheng, JG.(2014).Long-range antiferromagnetic order in the frustrated XY pyrochlore antiferromagnet Er2Ge2O7.PHYSICAL REVIEW B,89(6). |
| MLA | Li, X,et al."Long-range antiferromagnetic order in the frustrated XY pyrochlore antiferromagnet Er2Ge2O7".PHYSICAL REVIEW B 89.6(2014). |
入库方式： OAI收割
来源：物理研究所
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