English
Related papers

Related papers: Superconductivity in the ferromagnetic semiconduct…

200 papers

Superconductivity and magnetism in the non-centrosymmetric heavy fermion compound CePt$_3$Si and related materials are theoretically investigated. Based on the randam phase approximation (RPA) analysis for the extended Hubbard model we…

Superconductivity · Physics 2009-11-13 Youichi Yanase , Manfred Sigrist

A review of new developments in theoretical and experimental electronic structure investigations of half-metallic ferromagnets (HMF) is presented. Being semiconductors for one spin projection and metals for another ones, these substances…

Materials Science · Physics 2008-09-17 M. I. Katsnelson , V. Yu. Irkhin , L. Chioncel , A. I. Lichtenstein , R. A. de Groot

Towards spin selective electronics made of three coordinated carbon atoms, here we computationally propose robust and reversibly bias driven evolution of pristine undoped graphene nano-ribbons(GNR) into ferromagnetic-semiconductor, metal or…

Mesoscale and Nanoscale Physics · Physics 2017-08-08 Rita Maji , Joydeep Bhattacharjee

The extensive experimental and computational search for multifunctional materials has resulted in the development of semiconductor and oxide systems, such as (Ga,Mn)N, (Zn,Cr)Te, and HfO2, which exhibit surprisingly stable ferromagnetic…

Conducting altermagnets have recently emerged as intriguing materials supporting strongly spin-polarized currents without magnetic stray fields. We demonstrate that altermagnets enable three key functionalities, merging superconductivity…

Superconductivity · Physics 2024-10-23 Hans Gløckner Giil , Bjørnulf Brekke , Jacob Linder , Arne Brataas

We study the phase transition of a star-shaped superconductor, which covers smoothly the range from zero to two dimensions with respect to the superconducting coherence length. Detailed measurements and numerical calculations show that the…

Superconductivity · Physics 2009-11-07 D. A. Dikin , V. Chandrasekhar , V. R. Misko , V. M. Fomin , J. T. Devreese

The magneto-transport of a superconducting/ferromagnetic hybrid structure consisting of a superconducting thin film in contact with an array of magnetic nanodots in the so-called "magnetic vortex-state" exhibits interesting properties. For…

Superconductivity · Physics 2011-01-21 Javier E. Villegas , Ivan K. Schuller

Ferroelectric switching is unambigiously demonstrated for the first time in a III-V semiconductor based material: AlScN -- A discovery which could help to satisfy the urgent demand for thin film ferroelectrics with high performance and good…

Materials Science · Physics 2019-03-27 Simon Fichtner , Niklas Wolff , Fabian Lofink , Lorenz Kienle , Bernhard Wagner

Electronic nematic and smectic liquid crystals are spontaneous symmetry-breaking phases that are seen to precede or coexist with enigmatic unconventional superconducting states in multiple classes of materials. In this Letter we describe…

We investigate spin-dependent quasiparticle and Cooper-pair transport through a central node interfaced with two superconductors and two ferromagnets. We demonstrate that voltage biasing of the ferromagnetic contacts induces superconducting…

Superconductivity · Physics 2020-09-04 Ali Rezaei , Robert Hussein , Akashdeep Kamra , Wolfgang Belzig

We consider a problem of superconductivity coexistence with the spin-density-wave order in disordered multiband metals. It is assumed that random variations of the disorder potential on short length scales render the interactions between…

Superconductivity · Physics 2021-07-28 Maxim Dzero , Alex Levchenko

A general phenomenological theory is presented for the phase behavior of ferromagnetic superconductors with spin-triplet electron Cooper pairing. The theory describes in details the temperature-pressure phase diagrams of real inter-metallic…

Superconductivity · Physics 2012-07-10 Dimo I. Uzunov

Coexistence of ferromagnetic and superconducting orders and their interplay in ferromagnet-superconductor heterostructures is a topic of intense research. While it is well known that proximity of a ferromagnet suppresses superconducting…

Superconductivity · Physics 2014-04-23 C. L. Prajapat , Surendra Singh , A. Paul D. Bhattacharya , M. R. Singh , G. Ravikumar , S. Basu

Motivated by recent thermal conductivity measurements in the superconductor CeCoIn5, we theoretically examine a possible staggered spin-triplet superconducting order to be induced by the coupled spin-density-wave (SDW) and d-wave…

Superconductivity · Physics 2017-06-28 Ken-ichi Hosoya , Ryusuke Ikeda

The discovery of ferromagnetism in Mn doped GaAs [1] has ignited interest in the development of semiconductor technologies based on electron spin and has led to several proof-of-concept spintronic devices [2-4]. A major hurdle for realistic…

Materials Science · Physics 2009-11-11 Dale Kitchen , Anthony Richardella , Jian-Ming Tang , Michael E. Flatte , Ali Yazdani

We discuss the possibility of coexistence of spin density wave (antiferromagnetism) and triplet superconductivity as a particular example of a broad class of systems where the interplay of magnetism and superconductivity is important. We…

Superconductivity · Physics 2007-05-23 Wei Zhang , C. A. R. Sa de Melo

Bringing magnetic metals into superconducting states represents an important approach for realizing unconventional superconductors and potentially even topological superconductors. Altermagnetism, classified as a third basic collinear…

Superconductivity · Physics 2023-11-07 Di Zhu , Zheng-Yang Zhuang , Zhigang Wu , Zhongbo Yan

Although the pairing glue for the attractive quasiparticle interaction responsible for unconventional superconductivity in heavy electron materials has been identified as the spin fluctuations that arise from their proximity to a magnetic…

Superconductivity · Physics 2015-02-03 Yi-feng Yang , David Pines

Unconventional superconductivity with spin-triplet Cooper pairing is reviewed on the basis of the quasi-phenomenological Ginzburg-Landau theory. The superconductivity, in particular, the mixed phase of coexistence of ferromagnetism and…

Superconductivity · Physics 2007-05-23 Diana V. Shopova , Tsvetomir E. Tsvetkov , Dimo I. Uzunov

Device concepts in semiconductor spintronics make long spin lifetimes desirable, and the requirements put on spin control by schemes of quantum information processing are even more demanding. Unfortunately, due to spin-orbit coupling…

Mesoscale and Nanoscale Physics · Physics 2017-01-10 John Schliemann