Coexistence of antiferromagnetism and superconductivity in single crystal underdoped YBa2Cu3O6+x

Miller RI; Kiefl RF; Brewer JH; Salman Z; Sonier JE; Callaghan F; Bonn DA; Hardy WN; Llang R

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Coexistence of antiferromagnetism and superconductivity in single crystal underdoped YBa2Cu3O6+x

机译：YBa2Cu3O6 + x掺杂不足的单晶中反铁磁和超导的共存

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Muon spin rotation measurements in ultra-clean single crystals of heavily underdoped superconducting YBa2Cu3O6+x (x approximate to 0.365) are presented. The material shows a sharp superconducting transition below T = 15 K. By field cooling and shifting the applied field, we show that the superconducting state pins magnetic flux and develops a flux lattice below T-c, indicating that the superconducting state exists throughout the sample on a microscopic scale. At the same temperature, a disordered magnetic state appears on a nanoscale with at least one well-defined internal field probed by the muon. These two states coexist on a nanometer lengthscale and over a narrow region of oxygen doping. (c) 2005 Elsevier B.V. All rights reserved.

机译：提出了重度掺杂超导YBa2Cu3O6 + x（x约0.365）的超净单晶的μu自旋旋转测量。该材料在T = 15 K以下显示出尖锐的超导转变。通过磁场冷却和改变外加电场，我们显示出超导状态会钉住磁通量，并在Tc以下形成磁通晶格，这表明超导状态存在于整个样品上。微观规模。在相同的温度下，无规磁态在纳米级出现，至少有一个明确定义的内部电场由μ子探测。这两种状态在纳米长度尺度和氧掺杂的狭窄区域内共存。（c）2005 Elsevier B.V.保留所有权利。

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《Physica, B. Condensed Matter》 |2006年第0期|共3页
作者
Miller RI; Kiefl RF; Brewer JH; Salman Z; Sonier JE; Callaghan F; Bonn DA; Hardy WN; Llang R;
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正文语种 eng
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superconductivity; antiferromagnetism; YBCO; high T-c; MUON-SPIN-ROTATION; MAGNETISM; PHASE;

机译：超导;反磁性;YBCO;高T-c;自旋旋转;磁性;相;

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2. Coexistence of antiferromagnetism and superconductivity in single crystal underdoped YBa2Cu3O6+x [J] . Miller RI, Kiefl RF, Brewer JH, Physica, B. Condensed Matter . 2006,第0期

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9. Study of Coexistence of Ferromagnetism and Superconductivity in Single-Crystal ErRh sub 4 B sub 4 [R] . Sinha, S. K., Crabtree, G. W., Hinks, D. G., 1981

机译：单晶ErRh sub 4 B sub 4中铁磁性与超导性共存的研究

Coexistence of antiferromagnetism and superconductivity in single crystal underdoped YBa2Cu3O6+x

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