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The (Sr, Ca)n+1CunO2n (Cl, O)2 superconducting homologous series have been briefly introduced. The emphasis is on the special charge reservoir block of the oxyhalide high Tc superconductror (HTSC), which consists of the halide layer instead of the routine oxide layer. Consequently the apical oxygen related to the p-type HTSC is missed in the compound whereas the apical chlorine bridges the conducting layer and the charge reservoir. In the context a novel hole doping mechanism named “apical oxygen doping” was introduced through partially substituting oxygen for chlorine. This chemical doping leads to an 80 K superconducting transition in the high pressure synthesized double layered (Sr, Ca)3Cu2O4 (Cl, O)2 oxyhalide. Not only the high Tc, the oxyhalide cuprate superconductor also demonstrates the comparable physical properties to those of the full oxide HTSC, indicating the promising prospects to develop new high Tc oxyhalide superconductors.

, authors=Chang-Qing JIN, authorsList=Chang-Qing JIN, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1323358065659085604, articleId=1323358064195273506, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=高温高压合成顶角氧掺杂型高温超导系列, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

简要介绍了(Sr,Ca)n+1CunO2n(Cl,O)2,即三元数法的Cl-“02n”(或四元数Cl-02(n-1)n)超导系列,简称Cl-系超导体。和通常的高温超导体不同,Cl-系的电荷库由卤化物构成,而非通常的氧化物。即Cl-系的导电区和电荷库由顶角氯连接,根据这一结构特点用"顶角氧"掺杂,高压合成了Tc≈80 K的(Sr,Ca)3Cu2O4(Cl,O)2超导体。该化合物具有和全氧化物高温超导体可比的超导性能,表明高温高压合成全新的卤氧超导新材料的潜力,以及开发卤氧化物高温超导体群的研究前景。

, authors=靳常青, authorsList=靳常青, authorCompany=null, correspAuthors=null, authorNote=

靳常青(1965—),男,理学博士,研究员,博士生导师,主要研究方向为高压物理、功能材料物理和超导体. E-mail:

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靳常青(1965—),男,理学博士,研究员,博士生导师,主要研究方向为高压物理、功能材料物理和超导体. E-mail:

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靳常青(1965—),男,理学博士,研究员,博士生导师,主要研究方向为高压物理、功能材料物理和超导体. E-mail:

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高温高压合成顶角氧掺杂型高温超导系列
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靳常青
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高温高压合成顶角氧掺杂型高温超导系列
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靳常青(1965—),男,理学博士,研究员,博士生导师,主要研究方向为高压物理、功能材料物理和超导体. E-mail:

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靳常青(1965—),男,理学博士,研究员,博士生导师,主要研究方向为高压物理、功能材料物理和超导体. E-mail:

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靳常青
作者信息
  • 中国科学院物理研究所,北京 100080
作者简介:

靳常青(1965—),男,理学博士,研究员,博士生导师,主要研究方向为高压物理、功能材料物理和超导体. E-mail:

The High Pressure Synthesis and Properties of Apical Oxygen Doped High Tc Superconductors
Chang-Qing JIN
Affiliations
  • Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China
出版时间: 2004-03-05
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简要介绍了(Sr,Ca)n+1CunO2n(Cl,O)2,即三元数法的Cl-“02n”(或四元数Cl-02(n-1)n)超导系列,简称Cl-系超导体。和通常的高温超导体不同,Cl-系的电荷库由卤化物构成,而非通常的氧化物。即Cl-系的导电区和电荷库由顶角氯连接,根据这一结构特点用"顶角氧"掺杂,高压合成了Tc≈80 K的(Sr,Ca)3Cu2O4(Cl,O)2超导体。该化合物具有和全氧化物高温超导体可比的超导性能,表明高温高压合成全新的卤氧超导新材料的潜力,以及开发卤氧化物高温超导体群的研究前景。

高温超导体(HTSC)  /  顶角氧掺杂  /  高温高压合成

The (Sr, Ca)n+1CunO2n (Cl, O)2 superconducting homologous series have been briefly introduced. The emphasis is on the special charge reservoir block of the oxyhalide high Tc superconductror (HTSC), which consists of the halide layer instead of the routine oxide layer. Consequently the apical oxygen related to the p-type HTSC is missed in the compound whereas the apical chlorine bridges the conducting layer and the charge reservoir. In the context a novel hole doping mechanism named “apical oxygen doping” was introduced through partially substituting oxygen for chlorine. This chemical doping leads to an 80 K superconducting transition in the high pressure synthesized double layered (Sr, Ca)3Cu2O4 (Cl, O)2 oxyhalide. Not only the high Tc, the oxyhalide cuprate superconductor also demonstrates the comparable physical properties to those of the full oxide HTSC, indicating the promising prospects to develop new high Tc oxyhalide superconductors.

high Tc superconductors  /  apical oxygen doping  /  high pressure high temperature synthesis
靳常青. 高温高压合成顶角氧掺杂型高温超导系列. 高压物理学报, 2004 , 18 (1) : 4 -9 .
Chang-Qing JIN. The High Pressure Synthesis and Properties of Apical Oxygen Doped High Tc Superconductors[J]. Chinese Journal of High Pressure Physics, 2004 , 18 (1) : 4 -9 .
  • 国家自然科学基金资助(50328102)
参考文献 引证文献
排序方式:
[1]
Bednorz J Z, Müller K A. Possible High Tc Superconductivity in the Ba-La-Cu-O System[J]. Z Phys B, 1986, 64: 189.
[2]
Yamauchi H, Tamura T, Wu X J, et al. A Missing Link Is Found: A Novel Homologous Series of Superconducting Pb-Based Cuprates[J]. Jpn J Appl Phys, 1995, 34: L349-L351.
[3]
Al-Mamouri M, Edwards P P, Greaves C, et al. Synthesis and Superconducting Properties of the Strotium Copper Oxy-Fluoride Sr2CuO2F2+δ[J]. Nature, 1994, 369: 382.
[4]
Hiroi Z, Kobayashi N, Takano M. Probable Hole-Doped Superconductivity without Apical Oxygens in (Ca, Na)2CuO2Cl2[J]. Nature, 1994, 371: 139.
[5]
Jin C Q, Wu X J, Laffez P, et al. Superconductivity above 80 K in (Sr, Ca)3Cu2O4+δCl2-x Induced by Apical Oxygen Doping[J]. Nature, 1995, 375: 301-303.
[6]
Bean C P. Magnetization of High Field Superconductor[J]. Rev Mod Phys, 1964, 36: 31.
2004年第18卷第1期
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  • 接收时间:2003-09-01
  • 首发时间:2026-10-31
  • 出版时间:2004-03-05
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  • 收稿日期:2003-09-01
  • 修回日期:2003-09-30
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国家自然科学基金资助(50328102)
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    中国科学院物理研究所,北京 100080
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
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