Model For Phase Separation Controlled By Doping And The Internal Chemical Pressurernin Different Cuprate Superconductors

K. I. Kugel; A. L. Rakhmanov; A. O. Sboychakov; Nicola Poccia; Antonio Bianconi

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Model For Phase Separation Controlled By Doping And The Internal Chemical Pressurernin Different Cuprate Superconductors

机译：铜酸盐超导体中掺杂控制的相分离模型和内部化学压力

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In the framework of a two-band model, we study the phase-separation regime of different kinds of strongly correlated charge carriers as a function of the energy splitting between the two sets of bands. The narrow (wide) band simulates the more localized (more delocalized) type of charge carriers. By assuming that the internal chemical pressure on the CuO_2 layer due to interlayer mismatch controls the energy splitting between the two sets of states, the theoretical predictions are able to reproduce the regime of phase separation at doping higher than 1/8 in the experimental pressure-doping-T_c phase diagram of cuprates at large microstrain as it appears in overoxygenated La_2CuO_4.

机译：在两频带模型的框架内，我们研究了不同类型的强相关电荷载流子的相分离机制，这是两组频带之间能量分配的函数。窄（宽）带模拟电荷载流子的局部化（局部化程度更高）类型。通过假设由于层间失配而导致的CuO_2层上的内部化学压力控制了两组状态之间的能量分配，理论预测能够在实验压力下重现高于1/8的掺杂时的相分离机制，铜酸盐在超氧La_2CuO_4中的大应变下的掺杂T_c相图。

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《Physical review》 |2008年第16期|259-265|共7页
作者
K. I. Kugel; A. L. Rakhmanov; A. O. Sboychakov; Nicola Poccia; Antonio Bianconi;
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正文语种 eng
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strongly correlated electron systems; heavy fermions; cuprate superconductors (high-Tc and insulating parent compounds);

机译：强相关电子系统;重费米;铜酸盐超导体（高Tc和绝缘母体化合物）;

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专利

1. A two-band model for the phase separation induced by the chemical mismatch pressure in different cuprate superconductors [J] . Kugel KI, Rakhmanov AL, Sboychakov AO, Superconductor Science & Technology . 2009,第1期

机译：不同铜酸盐超导体中化学失配压力引起的相分离的两波段模型
2. Complex Phase Separation in Oxygen-Doped Cuprates La{sub}2CuO{sub}(4+y), Superconductors [J] . G. Campi, A. Bianconi Journal of Superconductivity . 2005,第5a6期

机译：掺氧铜酸盐La {sub} 2CuO {sub}（4 + y）中的复相分离
3. Polarization catastrophe in doped cuprates and metal-ammonia solutions. Metal-to-superconductor transition versus phase separation [J] . P. Quemerais, J.-L. Raimbault, S. Fratini Journal de Physique, IV: Proceedings of International Conference . 2002,第9期

机译：掺杂铜酸盐和金属氨溶液中的极化灾难。金属到超导体的过渡与相分离
4. PHASE SEPARATION IN CUPRATES INDUCED BY DOPING, HYDROSTATIC PRESSURE OR ATOMIC SUBSTITUTION [C] . E. Liarokapis, NATO NATO Advanced Study Research Workshop on Symmetry and Heterogeneity in High Temperature Superconductors . 2006

机译：掺杂，静压压力或原子取代诱导铜酸盐中的相分离
5. Angle-Resolved Photoemission Spectroscopy Study of High Temperature Superconductor Cuprate, and Potential High Temperature Superconductors K-Doped p-Terphenyl and Trilayer Nickelate [D] . Li, Haoxiang. 2017

机译：高温超导体铜酸盐以及潜在的高温超导体K掺杂的对三联苯和三层镍的角分辨光发射光谱研究
6. Evolution of Pairing Orders between Pseudogap and Superconducting Phases of Cuprate Superconductors [O] . Wei-Lin Tu, Ting-Kuo Lee -1

机译：伪铜与铜酸盐超导体超导相配对顺序的演变
7. Model for phase separation controlled by doping and the internal chemical pressure in different cuprate superconductors [O] . K.I. Kugel, A.L. Rakhmanov, A.O. Sboychakov, 2008

机译：不同铜酸盐超导体的掺杂和内部化学压力控制的相分离模型

Model For Phase Separation Controlled By Doping And The Internal Chemical Pressurernin Different Cuprate Superconductors

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