RETRACTED ARTICLE: Field-Induced Superconductivity in MoS2

Ye, J. T.; Zhang, Y. J.; Yoshida, Masaro; Saito, Yu; Iwasa, Yoshihiro

doi:10.1007/s10948-013-2422-y

Cited by 8 publications

(3 citation statements)

References 23 publications

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“…This challenge has led to the exploration of molybdenum suldes as catalysts for the hydrogenation of p-nitrophenol. Moreover, preparation of MoS 2 are of considerable attention for its potential applications in many areas as catalysis, 13 potential hydrogen storage media, 14 electrode materials for Mg 2+ ion and Li + ion batteries, 15,16 solid super lubricants, 17,18 superconductors, 19,20 and photo-electrochemical solar cells, 21,22 hydrogen evolution reaction. In contrast no such reports are concerned on the catalytic behaviour of amorphous MoS 2 for the decomposition of organic pollutants like dyes [23][24][25][26][27][28][29] and for the catalytic reduction of nitro groups to amino groups.…”

Section: Introductionmentioning

confidence: 99%

Highly active spherical amorphous MoS₂: facile synthesis and application in photocatalytic degradation of rose bengal dye and hydrogenation of nitroarenes

et al. 2015

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Herein, we developed a facile method to prepare an amorphous spherical MoS 2 21 via a simple solvothermal decomposition of a precursor complex MoO 2 (acda) 2 (Hacda = 2-22 33 Keywords: Amorphous MoS 2 , rose bengal, visible light photocatalyst, nitro compounds, 34 hydrogenation, heterogeneous catalyst 35 36 37 38 39 40 41 42 45different natural products, the reduction of p-nitrophenol 1-9 has drawn extensive attention in 46 recent years. Silver, gold, platinum and palladium metal NPs or metal nanocomposites [10][11][12] 47 are known to be typical catalysts applied in the catalytic hydrogenation of p-nitrophenol. 48Although the catalytic performances of these catalysts are relatively satisfactory, there is a 49 need to limit the use of such very expensive catalysts. It is thus desirable to move away from 50 rare elements and catalyze the reaction through cheap, earth-abundant materials. This 51 challenge has led to the exploration of molybdenum sulfides as catalysts for the 52 hydrogenation of p-nitrophenol. Moreover, preparation of MoS 2 are of considerable attention 53 for its potential applications in many areas as catalysis, 13 potential hydrogen storage media, 14 54 electrode materials for Mg 2+ ion and Li + ion batteries, 15,16 solid super lubricants, 17,18 55 superconductors, 19,20 and photo-electrochemical solar cells, 21,22 hydrogen evolution reaction. 56In contrast no such reports are concerned on the catalytic behaviour of amorphous MoS 2 for 57 the decomposition of organic pollutants like dyes 23-29 and for the catalytic reduction of nitro 58 groups to amino groups. Now a days, the synthesis of amorphous MoS 2 is a great challenge 59 due to its high performances mainly due to high surface area and large concentration of 60 lattice defects in the amorphous structures. Therefore a simple, cost-effective method for the 61 synthesis of amorphous MoS 2 is essential to explore the different catalytic activities. Despite 62 all other various solution-phase synthetic strategies, the thermo decomposition of a single-63 source precursor (SSP) method may be useful, since it has been proven facile and valid in 64 obtaining a variety of metal chalcogenide NPs with the characteristics of single crystallites, 65 pure phases, definite stoichiometries and monodispersities. O'Brien pioneered this facile 66 synthetic process and first obtained different chalcogenides 30-33 viz. sulphides and selinides 67 The ligand, 2-aminocyclopentene-1-dithiocarboxylic acid (Hacda) has already been 88 synthesized according to the previously reported method. 38 The precursor complex, 89 MoO 2 (acda) 2 was prepared according to the prescribed method. 39 90 91 The synthesis of amorphous MoS 2 was carried out through a solvothermal 93 decomposition of synthesized precursor complex using nucleophilic solvent TETA. The 94 precursor complex MoO 2 (acda) 2 (200mg) was dissolved in 4 mL TETA and transferred into a 95 10 mL round bottom flask. The reaction mixture was then heated for 1.5 hr at 200˚C in an 96 inert atmosphere. The black particles...

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Section: Introductionmentioning

confidence: 99%

Highly active spherical amorphous MoS₂: facile synthesis and application in photocatalytic degradation of rose bengal dye and hydrogenation of nitroarenes

et al. 2015

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“…in such superconducting films as amorphous Bi and Pb [48,49], MoC [50], MoGe [51], Ta [52], InO [53][54][55][56], NbN [57][58][59], TiN [60][61][62][63], and FeSe [64][65][66]. Also, 2D superconductivity was observed in such novel materials as LaAlO 3 /SrTiO 3 [67,68], SrTiO 3 surface [69,70], MoS 2 [71][72][73], LaSrCuO surface [74], and Li x ZrNCl [75][76][77][78]. The FNLSM allows to describe the properties of the system above the superconducting transition and to estimate the transition temperature T c in the presence of disorder.…”

Section: D Interacting Disordered Electron System With Supercondmentioning

confidence: 99%

Finkel’stein Nonlinear Sigma Model: Interplay of Disorder and Interaction in 2D Electron Systems

Burmistrov

2019

J. Exp. Theor. Phys.

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In this paper 1 I briefly review recent theoretical results derived within the Finkel'stein nonlinear sigma model approach for description of two-dimensional interacting disordered electron systems. The examples include an electron system with two valleys, electrons in a double quantum well, electrons on the surface of a topological insulator, an electron system with superconducting correlations, and the integer quantum Hall effect.

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“…However, there exist superconducting thin films and two-dimensional systems with broken spin rotational symmetry due to the presence of spin-orbit coupling. Among them one can list single atomic layers of Pb on Si [38], SrTiO 3 surfaces [39,40], LaAlO 3 /SrTiO 3 interfaces [41,42], and MoS 2 flakes [43][44][45]. Moreover, spin orbit coupling of Ising type is expected to exist in monolayer niobium dichalcogenides in which multifractal enhancement of superconductivity was measured [27,28].…”

Section: Introductionmentioning

confidence: 99%

Multifractally-enhanced superconductivity in two-dimensional systems with spin-orbit coupling

Andriyakhina,

Burmistrov

2022

Preprint

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The interplay of Anderson localization and electron-electron interactions is known to lead to enhancement of superconductivity due to multifractality of electron wave functions. We develop the theory of multifractally-enhanced superconducting states in two-dimensional systems in the presence of spin-orbit coupling. Using the Finkel'stein nonlinear sigma model, we derive the modified Usadel and gap equations that take into account renormalizations caused by the interplay of disorder and interactions. Multifractal correlations induce energy dependence of the superconducting spectral gap. We determine the superconducting transition temperature and the superconducting spectral gap in the case of Ising and strong spin orbit couplings. In the latter case the energy dependence of superconducting spectral gap is convex whereas in the former case (as well as in the absence of spin-orbit coupling) it is concave. Multifractality enhances not only the transition temperature but, in the same way, the spectral gap at zero temperature. Also we study mesoscopic fluctuations of the local density of states in the superconducting state. Similarly to the case of normal metal, spin-orbit coupling reduce the amplitude of fluctuations.1 A long-range component (Coulomb) of interaction can be suppressed in films covered by a substrate with a high dielectric constant.

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RETRACTED ARTICLE: Field-Induced Superconductivity in MoS2

Cited by 8 publications

References 23 publications

Highly active spherical amorphous MoS₂: facile synthesis and application in photocatalytic degradation of rose bengal dye and hydrogenation of nitroarenes

Highly active spherical amorphous MoS₂: facile synthesis and application in photocatalytic degradation of rose bengal dye and hydrogenation of nitroarenes

Finkel’stein Nonlinear Sigma Model: Interplay of Disorder and Interaction in 2D Electron Systems

Multifractally-enhanced superconductivity in two-dimensional systems with spin-orbit coupling

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RETRACTED ARTICLE: Field-Induced Superconductivity in MoS2

Cited by 8 publications

References 23 publications

Highly active spherical amorphous MoS2: facile synthesis and application in photocatalytic degradation of rose bengal dye and hydrogenation of nitroarenes

Highly active spherical amorphous MoS2: facile synthesis and application in photocatalytic degradation of rose bengal dye and hydrogenation of nitroarenes

Finkel’stein Nonlinear Sigma Model: Interplay of Disorder and Interaction in 2D Electron Systems

Multifractally-enhanced superconductivity in two-dimensional systems with spin-orbit coupling

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Highly active spherical amorphous MoS₂: facile synthesis and application in photocatalytic degradation of rose bengal dye and hydrogenation of nitroarenes

Highly active spherical amorphous MoS₂: facile synthesis and application in photocatalytic degradation of rose bengal dye and hydrogenation of nitroarenes