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Related papers: Superconducting triplet spin valve

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We report on novel antiferromagnetic (AFM) and superconducting (SC) properties of noncentrosymmetric CePt3Si through measurements of the 195Pt nuclear spin-lattice relaxation rate 1/T_1. In the normal state, the temperature (T) dependence…

Superconductivity · Physics 2016-08-16 M. Yogi , Y. Kitaoka , S. Hashimoto , T. Yasuda , R. Settai , T. D. Matsuda , Y. Haga , Y. Ōnuki , P. Rogl , E. Bauer

We show that the superconducting transition temperature T_c(H) of a very thin highly disordered film with strong spin-orbital scattering can be increased by parallel magnetic field H. This effect is due to polarization of magnetic impurity…

Superconductivity · Physics 2009-11-11 M. Yu. Kharitonov , M. V. Feigel'man

In (S/F) hybrids the suppression of superconductivity by the exchange field h_ex of the ferromagnet can be partially lifted when different directions of h_ex are sampled simultaneously by the Cooper pair. In F/S/F trilayer geometries where…

Superconductivity · Physics 2009-11-10 A. Yu. Rusanov , M. Hesselberth , J. Aarts , A. I. Buzdin

We propose a superconducting spin-triplet valve, which consists of a superconductor and an itinerant magnetic material, with the magnet showing an intrinsic non-collinear order characterized by a wave vector that may be aligned in a few…

Superconductivity · Physics 2017-10-24 N. G. Pugach , M. Safonchik , T. Champel , M. E. Zhitomirsky , E. Lähderanta , M. Eschrig , C. Lacroix

We show how the partition function of a network of parallel superconducting wires weakly coupled together by the proximity effect, subjected a vector potential along the wires can be mapped onto N-distinguishable two dimensional…

Superconductivity · Physics 2008-06-24 Kohjiro Kobayashi , David Stroud

We propose that if there are two small pocket-like Fermi surfaces, and the spin susceptibility is pronounced around a wave vector {\bf Q} that bridges the two pockets, the spin-singlet superconductivity mediated by spin fluctuations may…

Strongly Correlated Electrons · Physics 2009-11-07 Kazuhiko Kuroki , Ryotaro Arita

The experimentally observed difference of superconducting critical temperature $T_{c}$ in hole-doped cuprates is studied by using an extended interlayer coupling model for layered d-wave superconductors. We show that the change of the…

Superconductivity · Physics 2009-11-10 X. J. Chen , H. Q. Lin

In this paper we extend our earlier analysis of the novel Josephson effect in triplet superconductor--ferromagnet--triplet superconductor (TFT) junctions [B. Kastening \emph{et al.}, Phys. Rev. Lett. {\bf{96}}, 047009 (2006)]. In our more…

Superconductivity · Physics 2009-01-26 P. M. R. Brydon , Boris Kastening , Dirk K. Morr , Dirk Manske

We clarify the pairing mechanism of high-$T_c$ superconductivity in bilayer La$_3$Ni$_2$O$_7$ under high pressure by employing the static auxiliary field Monte Carlo approach to simulate a minimal effective model that contains local…

Superconductivity · Physics 2023-10-18 Qiong Qin , Yi-feng Yang

Temperature dependent magnetic properties of superconductor-ferromagnet-superconductor (SC/FM/SC) trilayers are studied both experimentally and theoretically, with a focus on ferromagnetic resonance (FMR). The influence of the SC and FM…

Mesoscale and Nanoscale Physics · Physics 2025-10-02 Dariia Popadiuk , Julia Kharlan , Anatolii Kravets , Vladislav Korenivski , Jaroslaw W. Klos , Vladimir Golub

The discovery of unconventional superconductivity in the heavy-fermion material UTe$_2$ has reinvigorated research of spin-triplet superconductivity. We perform a theoretical study of coupled two-component spin-triplet superconducting order…

Superconductivity · Physics 2024-02-23 Henrik S. Røising , Max Geier , Andreas Kreisel , Brian M. Andersen

Superconducting (SC) state has spin and orbital degrees of freedom, and spin-triplet superconductivity shows multiple SC phases due to the presence of these degrees of freedom. However, the observation of spin-direction rotation occurring…

We theoretically demonstrate a gate-tunable superconducting spin valve effect (SVE) in a van der Waals (vdW) heterostructure composed of a monolayer superconductor (S) sandwiched between two ferromagnetic (F) monolayers (F/S/F). By…

Superconductivity · Physics 2025-12-11 A. S. Ianovskaia , G. A. Bobkov , A. M. Bobkov , I. V. Bobkova

We experimentally investigate magnetoresistance of a single GeTe-Ni junction between the $\alpha$-GeTe topological semimetal and thick nickel film at room and liquid helium temperatures. For the magnetic field parallel to the junction…

Mesoscale and Nanoscale Physics · Physics 2025-05-08 A. A. Avakyants , V. D. Esin , D. Yu. Kazmin , N. N. Orlova , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov

We report the pressure dependences of the superconducting transition temperature (T_c) in several perovskite-type Fe-based superconductors through the resistivity measurements up to ~4 GPa. In Ca_4(Mg,Ti)_3Fe_2As_2O_y with the highest T_c…

Superconductivity · Physics 2015-05-20 Hisashi Kotegawa , Yuuki Tao , Hideki Tou , Hiraku Ogino , Sigeru Horii , Kohji Kishio , Jun-ichi Shimoyama

We present a theoretical description and numerical simulations of the superconducting transition in hybrid structures including strong spin-orbit interactions. The spin-orbit coupling is taken to be of Rashba type for concreteness, and we…

Superconductivity · Physics 2018-03-07 Haakon T. Simensen , Jacob Linder

In order to clarify the influence of ferromagnetism on superconductivity through a normal metal layer, the superconducting properties of epitaxial Nb(110)/Au(111)/Fe(110) trilayers were studied as a function of the thickness tAu of the…

Superconductivity · Physics 2009-11-11 Hiroki Yamazaki , Nic Shannon , Hidenori Takagi

We studied the specific heat and thermal conductivity of the spin-triplet superconductor Sr2RuO4 at low temperatures and under oriented magnetic fields H. We resolved a double peak structure of the superconducting transition under magnetic…

Superconductivity · Physics 2009-11-07 Kazuhiko Deguchi , Makariy Tanatar , Zhiqiang Mao , Takehiko Ishiguro , Yoshiteru Maeno

Spin excitations are one of the top candidates for mediating electron pairing in unconventional superconductors. Their coupling to superconductivity is evident in a large number of systems, by the observation of an abrupt redistribution of…

Josephson junctions made with conventional s-wave superconductors and containing multiple layers of ferromagnetic materials can carry spin-triplet supercurrent in the presence of certain types of magnetic inhomogeneity. In junctions…

Superconductivity · Physics 2016-02-24 William Martinez , W. P. Pratt, , Norman O. Birge