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Magneto-structural phase transition in FeRh epitaxial layers was studied optically. It is shown that the transition between the low-temperature antiferromagnetic phase and the high-temperature ferromagnetic phase is accompanied by a rather…

Materials Science · Physics 2016-08-31 V. Saidl , M. Brajer , L. Horak , H. Reichlova , K. Vyborny , M. Veis , T. Janda , F. Trojanek , I. Fina , X. Marti , T. Jungwirth , P. Nemec

The quest for realizing and manipulating ever smaller man-made movable structures and dynamical machines has spurred tremendous endeavors, led to important discoveries, and inspired researchers to venture to new grounds. Scientific feats…

Controlling the magnetic state of two-dimensional (2D) materials is crucial for spintronic applications. By employing data-mining and autonomous density functional theory calculations, we demonstrate the switching of magnetic properties of…

Materials Science · Physics 2024-03-11 Tom Barnowsky , Stefano Curtarolo , Arkady V. Krasheninnikov , Thomas Heine , Rico Friedrich

Displacive martensitic phase transition is potentially promising in semiconductor based data storage applications with fast switching speed. In addition to traditional phase transition materials, the recently discovered two-dimensional…

Materials Science · Physics 2021-01-26 Jian Zhou , Shunhong Zhang

The microstructure and mechanical behavior of dual-phase steels are highly sensitive to the variation of the process (heat treatments). Online control by magnetic method is relevant. A measurement under applied stress must be considered.…

Classical Physics · Physics 2011-09-12 Frederick Mballa Mballa , Olivier Hubert , Said Lazreg , Philip Meilland

Two-dimensional (2D) materials and Transition Metal Dichalcogenides (TMD) in particular are at the forefront of nanotechnology. To tailor properties for engineering applications, alloying strategies used for bulk metals in the last century…

Materials Science · Physics 2022-12-14 Andrea Silva , Jiangming Cao , Tomas Polcar , Denis Kramer

Magnetic nanoparticles are important building blocks for future technologies ranging from nano-medicine to spintronics. Many related applications require nanoparticles with tailored magnetic properties. However, despite significant efforts…

In the search for phase change materials (PCM) that may rival traditional random access memory, a complete understanding of the amorphous to crystalline phase transition is required. For the well-known Ge2Sb2Te5 (GST) and GeTe (GT)…

Materials Science · Physics 2015-06-19 James L. Bosse , Ilya Grishin , Bryan D. Huey , Oleg V. Kolosov

The mechanical behavior of two-dimensional (2D) materials across 2D phase changes is unknown, and the finite temperature ($T$) elasticity of paradigmatic SnSe monolayers -- ferroelectric 2D materials turning paraelectric as their unit cell…

Materials Science · Physics 2022-06-15 Joseph E. Roll , John M. Davis , John W. Villanova , Salvador Barraza-Lopez

When monolayers of two-dimensional (2D) materials are stacked into van der Waals structures, interlayer electronic coupling can introduce entirely new properties, as exemplified by recent discoveries of moir\'e bands that host highly…

With advances in exfoliation and synthetic techniques, atomically thin films of semiconducting transition metal dichalcogenides have recently been isolated and characterized. Their two-dimensional structure, coupled with a direct band gap…

Mesoscale and Nanoscale Physics · Physics 2014-02-04 Deep Jariwala , Vinod K. Sangwan , Lincoln J. Lauhon , Tobin J. Marks , Mark C. Hersam

Spin and spatial dimensionalities are universal concepts, essential for describing both phase transitions and dynamics in magnetic materials. Lately, these ideas have been adopted to describe magnetic properties of metamaterials, as well as…

Each single domain nano-magnet acts as a magnetic dipole in addition it oscillates its magnetization about the easy axis and rotates coherently depending upon temperature and anisotropy. In an ensemble of nano-magnets, the relaxation time…

Mesoscale and Nanoscale Physics · Physics 2013-02-04 Nilangshu K. Das , P. Barat

The ability to make controlled patterns of magnetic structures within a nonmagnetic background is essential for several types of existing and proposed technologies. Such patterns provide the foundation of magnetic memory and logic devices,…

Two-dimensional materials and their heterostructures have opened up new possibilities for magnetism at the nanoscale. In this study, we utilize first-principles simulations to investigate the structural, electronic, and magnetic properties…

Materials Science · Physics 2022-10-11 Diem Thi-Xuan Dang , Ranjan Kumar Barik , Manh-Huong Phan , Lilia M. Woods

Surface-functionalized nanomaterials can act as theranostic agents that detect disease and track biological processes using hyperpolarized magnetic resonance imaging (MRI). Candidate materials are sparse however, requiring spinful nuclei…

The mixed state of type II superconductors has magnetic flux penetrating the sample in the form of vortices, with each vortex carrying an identical quantum of flux. These vortices generally form a triangular lattice under weak mutually…

Superconductivity · Physics 2007-05-23 P. Chaddah , S. B. Roy

In the last decade phase change materials (PCM) research has switched from practical application in optical data storage toward electrical phase change random access memory technologies (PCRAM). As these devices are commercialised, we…

Optics · Physics 2021-04-21 Robert E. Simpson , Tun Cao

Atomically thin two dimensional magnets have given rise to emergent phenomena due to magnetic exchange and spin-orbit coupling showing a great promise for realizing ultrathin device structures. In this paper, we critically examine the…

Mesoscale and Nanoscale Physics · Physics 2021-12-22 Duo Wang , Xin Chen , Biplab Sanyal

A summary is given of a talk on the physics and technology of hybrid metallic nanostructures, with a view to metallic nanoelectronics. In the beginning of the talk it was noted that the majority of the presentations at the conference were…

Mesoscale and Nanoscale Physics · Physics 2009-10-08 V. T. Petrashov