One-Dimensional Correlations in Organic Superconductors : Magnetism and Superconductivity

Jérôme, D.; Creuzet, F.

doi:10.1007/978-1-4613-1937-5_13

Cited by 6 publications

(2 citation statements)

References 64 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The search resulted in the discovery of superconductivicy in the so-called Bechgaard salts, first under extemal pressure (44] and subsequently also at ambient pressure (45]. Further studies found compounds exhibiting superconductivicy ac T/s as high as 12 K and revealed remarkably complex pressure/temperature phase diagrams involvmg ehe interplay of magnetism and superconductivicy wich many similarities eo ehe phase diagrams of heavy-fermion materials [46).…”

Section: S«penxmduc1ivity In Ntw Moraials V Olumc 04mentioning

confidence: 99%

History and Introduction

Kwok

2011

Organic Matter in the Universe

View full text Add to dashboard Cite

Section: S«penxmduc1ivity In Ntw Moraials V Olumc 04mentioning

confidence: 99%

History and Introduction

Kwok

2011

Organic Matter in the Universe

View full text Add to dashboard Cite

mentioning

confidence: 99%

History and Introduction

Bittker¹,

Idleman

Ravitch

2015

Religion and the State in American Law

View full text Add to dashboard Cite

Theoretical considerations on high Tc superconductivity

Ladik

Saalfrank

Wood

2009

Int. J. Quantum Chem.

View full text Add to dashboard Cite

In the Introduction of the paper the different theoretical models for the prediction of high T, superconductivity, which were done before its dimvery in ceramic materials, are reviewed. Atter this a number of models to interpret the experimentally found high superconductive transition temperature are mentioned. In the second part of the paper the results of Hartree-Fock and DODS band structure calculations on (Cu-O), chains and on the 2-dimensional Cu-0 plane are presented. We have found that in the 2D case the Fermi level is in a broad band due to 0 2p orbitals, while there are narrow Cu 3d bands in the valence band region. This gives the possibility that the polarization of the localized electrons in the narrow bands provide an effective attraction between the mobile electrons in the broad band which can lead to formation of Cooper pairs and therefore also to a superconductive state. The DODS calculation of the (Cu-O), chain leads to a spin alternation on the 0 atom in agreement with the experimentally found antiferromagnetic behavior of the ceramic materials. This gives rise to a spin-polaron (through a spin-flip) mechanism of superconductivity if positive holes are formed. Finally it is discussed how the band structures of the ceramic materials could be improved by taking into account charge transfer between the planes (via different cluster calculations), the effect of the Madelung potential of the crystal and last but not least correcting the bands for correlation effects using a generalized electronic polaron model.

show abstract

One-Dimensional Correlations in Organic Superconductors : Magnetism and Superconductivity

Cited by 6 publications

References 64 publications

History and Introduction

History and Introduction

History and Introduction

Theoretical considerations on high Tc superconductivity

Contact Info

Product

Resources

About