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Related papers: Ferromagnet/Semiconductor/Ferromagnet Hybrid Trila…

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Antiferromagnetic order, being a ground state of a number of exotic quantum materials, is of immense interest both from the fundamental physics perspective and for driving potential technological applications. For a complete understanding…

Strongly Correlated Electrons · Physics 2023-07-12 Shrinkhala Sharma , Hong Li , Zheng Ren , Wilber Alfaro Castro , Ilija Zeljkovic

This paper explores the potential for spin-triplet superconductivity in molecular beam epitaxy grown PbTe/SnTe semiconductor heterostructures. We present convincing evidence for spin-triplet pairing by soft point-contact spectroscopy…

The interplay between unconventional superconductivity and quantum critical ferromagnetism in the U-Ge compounds represents an open problem in strongly correlated electron systems. Sample quality can have a strong influence on both of these…

Na3Bi was the first experimentally verified topological Dirac semimetal (TDS), and is a 3D analogue of graphene hosting relativistic Dirac fermions. Its unconventional momentum-energy relationship is interesting from a fundamental…

Mesoscale and Nanoscale Physics · Physics 2025-01-07 I. Di Bernardo , J. Hellerstedt , C. Liu , G. Akhgar , W. Wu , S. A. Yang , D. Culcer , S. -K. Mo , S. Adam , M. T. Edmonds , M. S. Fuhrer

The interaction between superconductivity and ferromagnetism in thin film superconductor/ferromagnet heterostructures is usually reflected by a change in superconductivity of the S layer set by the magnetic state of the F layers. Here we…

We have performed angle-resolved photoemission spectroscopy on a heterostructure consisting of topological insulator Bi2Te3 and iron chalcogenide FeTe fabricated on SrTiO3 substrate by molecular-beam-epitaxy technique. This system was…

Non-centrosymmetric magnetic materials are a promising platform for stabilizing chiral spin textures, such as skyrmions and cycloidal magnetic states. This is particularly true in epitaxial thin film geometries, where strain and interface…

Room temperature ferroelectricity is observed in lattice-matched ~18% ScAlN/GaN heterostructures grown by molecular beam epitaxy on single-crystal GaN substrates. The epitaxial films have smooth surface morphologies and high crystallinity.…

We present a novel memory device that consists of a thin ferromagnetic layer of Fe deposited on topological insulator thin film, Bi2Se3. The ferromagnetic layer has perpendicular anisotropy, due to MgO deposited on the top surface of Fe.…

Mesoscale and Nanoscale Physics · Physics 2016-02-18 Bahniman Ghosh , Rik Dey , Leonard F. Register , Sanjay K. Banerjee

We have investigated random submonolayer films of 3d transition metals on W(001). The tight-binding linear muffin-tin orbital method combined with the coherent potential approximation was employed to calculate the electronic structure of…

Materials Science · Physics 2007-06-12 M. Ondracek , J. Kudrnovsky , I. Turek , F. Maca

Epitaxial thin film fabrication of iron oxides including magnetite Fe3O4 and epsilon-ferrite epsilon-Fe2O3 with the potential for advancing electromagnetic devices has been investigated, which led to the first ever epsilon-ferrite epitaxial…

Applied Physics · Physics 2019-04-24 Masato Watanabe

Half-metallic ferromagnets show 100% spin-polarization at the Fermi level and are ideal candidates for spintronic applications. Despite the extensive research in the field, very few materials have been discovered so far. Here we present…

Strongly Correlated Electrons · Physics 2020-07-10 Girish C. Tewari , Divya Srivastava , Reijo Pohjonen , Otto Mustonen , Antti J. Karttunen , Johan Lindén , Maarit Karppinen

The layered nature and simple structure of FeSe reveal this iron-based superconductor as a unique building block for the design of artificial heterostructure materials. While superconductivity develops in ultrathin films of FeSe on SrTiO3…

Superconductivity · Physics 2024-11-19 Yongsong Wang , Haojie Guo , Ane Etxebarria , Sandra Sajan , Sara Barja , Miguel M. Ugeda

Understanding the interplay of structural and electronic symmetry breaking in Fe-based high temperature superconductors remains of high interest. In this work we grow strain-patterned multilayer FeSe thin films in a range of thicknesses…

Superconductivity · Physics 2022-12-13 Zheng Ren , Hong Li , He Zhao , Shrinkhala Sharma , Ilija Zeljkovic

Monolayer FeSe grown on SrTiO$_3$ (FeSe/STO) is an interfacial high temperature superconductor distinctively different from bulk FeSe. Due to the fragility of this two-dimensional system in the atmosphere, the investigation of its intrinsic…

Superconductivity · Physics 2025-05-23 H. Ru , Z. J. Li , S. Y. Wang , B. K. Xiang , Y. H. Wang

Rare-earth iron garnet (RE3Fe5O12) films are promising insulating ferrimagnets. They can show low magnetic damping, perpendicular magnetic anisotropy, and ultrafast spin dynamics, which makes them ideal for spin transport applications. In…

Transition metal oxides are well known for their complex magnetic and electrical properties. When brought together in heterostructure geometries, they show particular promise for spintronics and colossal magnetoresistance applications. In…

Strongly Correlated Electrons · Physics 2017-11-15 Ching-Hao Chang , Sujit Das , Sanjeev Kumar , R. Ganesh

Silicene is one of the most promising 2D materials for the realization of next-generation electronic devices, owing to its high carrier mobility and bandgap tunability through the imposition of an external electric field. To exploit this…

Ferromagnetic semiconductors promise the extension of metal-based spintronics into a material system that combines widely tunable electronic, optical, and magnetic properties. Here, we take steps towards realizing that promise by achieving…

All-electric-controlled nonvolatile spin field-effect transistors (SFETs) based on two-dimensional (2D) multiferroic van der Waals (vdW) heterostructures hold great promise for advanced spintronics applications. However, their performance…

Materials Science · Physics 2025-10-02 B. Liu , X. Zhang , W. Hou , H. Feng , Zhengei Dai , Zhi-Xin Guo