OCCURRENCE OF VANHOVE SINGULARITIES IN YBA2CU4O8 AND YBA2CU3O6.9
文献类型：期刊论文
| 作者 | GOFRON, K ; CAMPUZANO, JC ; DING, H ; GU, C ; LIU, R ; DABROWSKI, B ; VEAL, BW ; CRAMER, W ; JENNINGS, G |
| 刊名 | JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
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| 出版日期 | 1993 |
| 卷号 | 54期号:10页码:1193 |
| 关键词 | HIGH-TC SUPERCONDUCTORS LIFETIME DENSITY STATES |
| ISSN号 | 0022-3697 |
| 通讯作者 | GOFRON, K (reprint author), UNIV ILLINOIS,DEPT PHYS,POB 4348,CHICAGO,IL 60680, USA. |
| 中文摘要 | We report seeing a saddle point in the energy band, known as a van Hove singularity. We measure an exact position of the singularity in both YBa2Cu4O8 (Y124) and YBa2Cu3O6.9 (Y123). In Y123 the van Hove singularity is at binding energy of less then 10 meV, closer ot E(F), than in Y124, which has a singularity at 19 meV. The singularity has and extended character along the GAMMA-Y direction. Another clearly resolved band exhibits a saddle point singularity at binding energy of 115 meV. Similar singularities are observed in the vicinity of the X point, extended along the GAMMA-X direction. In order to study these features the energy resolution of the system was improved to better than 10 meV. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2014-02-20 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/58006]  |
| 专题 | 物理研究所_所内人员在其他单位发表论文题录信息_所内人员在其他单位发表论文题录信息_期刊论文 |
| 推荐引用方式 GB/T 7714 | GOFRON, K,CAMPUZANO, JC,DING, H,et al. OCCURRENCE OF VANHOVE SINGULARITIES IN YBA2CU4O8 AND YBA2CU3O6.9[J]. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,1993,54(10):1193. |
| APA | GOFRON, K.,CAMPUZANO, JC.,DING, H.,GU, C.,LIU, R.,...&JENNINGS, G.(1993).OCCURRENCE OF VANHOVE SINGULARITIES IN YBA2CU4O8 AND YBA2CU3O6.9.JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,54(10),1193. |
| MLA | GOFRON, K,et al."OCCURRENCE OF VANHOVE SINGULARITIES IN YBA2CU4O8 AND YBA2CU3O6.9".JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS 54.10(1993):1193. |
入库方式： OAI收割
来源：物理研究所
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