Proximity effect and superconducting transition temperature in superconductor/ferromagnet sandwiches

Тагиров, Л. Р.

doi:10.1016/s0921-4534(98)00389-x

Cited by 146 publications

(166 citation statements)

References 26 publications

Supporting

Mentioning

155

Contrasting

Unclassified

Order By: Relevance

“…So, the AFM(c) = AFM(c¢) solutions are equal to (0p) one, defined by (12), and they coincide with AFM(c) solution for the inner S layer of tetralayer (21). Two other solutions AFM(d) = AFM(d¢) = ( ) …”

Section: Tetra-and Penta-layersmentioning

confidence: 70%

“…The solution of the boundary value problem [8][9][10][11][12][13][14][15] has revealed an additional mechanism of nonmonotonic dependence of T c due to modulation of the pair amplitude flux from the S layer to the F layer. This modulation is caused by the change of the FM layer thickness d f .…”

Section: Introductionmentioning

confidence: 99%

“…The LOFF pairs momentum k I/v f 2 is determined by the Fermi surface splitting caused by the internal exchange field I (where v f is the Fermi velocity in the F layers). Usually it is assumed [5,6,[8][9][10][11][12][13][14][15]20,21] that the momentum of the LOFF pairs is directed across the F/S interface (the so-called one-dimensional (1D) case).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Adjustment of superconductivity and ferromagnetism in few-layered ferromagnet-superconductor nanostructures

Izyumov

Khusainov

Proshin

2006

Low Temperature Physics

View full text Add to dashboard Cite

The phase diagrams of the few-layered nanosystems consisting of dirty superconducting (S) and ferromagnetic (F) metals are investigated within the framework of the modern theory of the proximity effect taking into account the boundary conditions. The F/S tetralayer and pentalayer are shown to have considerably richer physics than the F/S bi-and trilayer (due to the interplay between the 0 and p phase superconductivity and the 0 and p phase magnetism and nonequivalence of layers) and even the F/S superlattices. It is proven that these systems can have different critical temperatures and fields for different S layers. This predicted decoupled superconductivity is found to manifest itself in its most striking way for F/S tetralayer. It is shown that F/S/F¢/S¢ tetralayer is the most perspective candidate for use in superconducting spin nanoelectronics. PACS

show abstract

Section: Tetra-and Penta-layersmentioning

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Adjustment of superconductivity and ferromagnetism in few-layered ferromagnet-superconductor nanostructures

Izyumov

Khusainov

Proshin

2006

Low Temperature Physics

View full text Add to dashboard Cite

show abstract

“…The oscillation of the pairing wave function in the F metal is a reason for the oscillatory S/F proximity effect, mentioned above, yielding a nonmonotonous, oscillating dependence of the superconducting critical temperature c T on the ferromagnetic layer thickness d F [11,12]. The phenomenon is explained by changing the interference conditions periodically between constructive and destructive upon changing the thickness of the ferromagnetic film thickness.…”

Section: Oscillations Of Superconducting T C In S/f Bilayersmentioning

confidence: 97%

“…Here, we set  and B k equal to one. The solutions have to satisfy the boundary conditions [11,[33][34][35]…”

Section: The F/s/f Core Structure Of Superconducting Spin Valvementioning

confidence: 99%

Reentrance phenomenon in superconductor/ferromagnet nanostructures and their application in superconducting spin valves for superconducting electronics

Сидоренко

2017

Low Temperature Physics

View full text Add to dashboard Cite

In superconductor/ferromagnet layered structures, a Fulde-Ferrell-Larkin-Ovchinnikov-like inhomogeneous superconducting pairing give rise. The singlet and zero-projection triplet components of the pairing oscillate in space, and the presence of interfaces causes interference phenomena. As the result of the interference, the superconducting critical temperature T c oscillates as a function of the ferromagnetic layer thicknesses or, even more spectacular, reentrant superconductivity appears. Two ferromagnetic layers can be combined with a superconducting layer into a superconducting spin valve. Proper design and choice of the material parameters give possibility to control superconducting T c manipulating with magnetic configurations in the system. The conditions to get large spin-valve effect, i.e., a large shift in the critical temperature, are reviewed in the article.

show abstract

Oscillations of the critical temperature in superconducting Nb/Ni bilayers

Сидоренко¹,

Zdravkov²,

Prepelitsa³

et al. 2003

Ann. Phys.

Self Cite

View full text Add to dashboard Cite

We investigated Nb/Ni bilayers prepared by magnetron sputtering on glass subtrates. The quality of the films was characterized by small-angle X-ray diffraction analysis. The thickness of the layers was determined by the Rutherford backscattering spectrometry (RBS). For specimens with constant Nb layer thickness we observed distinct oscillations of the superconducting critical temperature upon increasing the thickness of the Ni layer. The results are interpreted in terms of Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) like inhomogeneous superconducting pairing in the ferromagnetic Ni Layer.

show abstract

Proximity effect and superconducting transition temperature in superconductor/ferromagnet sandwiches

Cited by 146 publications

References 26 publications

Adjustment of superconductivity and ferromagnetism in few-layered ferromagnet-superconductor nanostructures

Adjustment of superconductivity and ferromagnetism in few-layered ferromagnet-superconductor nanostructures

Reentrance phenomenon in superconductor/ferromagnet nanostructures and their application in superconducting spin valves for superconducting electronics

Oscillations of the critical temperature in superconducting Nb/Ni bilayers

Contact Info

Product

Resources

About