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Related papers: Probing Magnetism in Self-Assembled Organometallic…

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The hybridization of magnetism and superconductivity has been an intriguing playground for correlated electron systems, hosting various novel physical phenomena. Usually, localized d- or f-electrons are central to magnetism. In this study,…

The progress of magnonics ultimately depends on material platforms that offer precise control of spin waves propagation. Here, we put forward a chemical strategy to create locally tunable magnonic crystals by integrating switchable…

Materials Science · Physics 2025-12-22 Andrei Shumilin , Sourav Dey , Denisa Coltuneac , Laurentiu Stoleriu , José J. Baldoví

Quantum critical points (QCPs), zero-temperature phase transitions, are windows to fundamental quantum-mechanical phenomena associated with universal behaviour and can provide parallels to the physics of black holes. Magnetic QCPs have been…

Strongly Correlated Electrons · Physics 2024-10-01 Soohyeon Shin , Aline Ramires , Vladimir Pomjakushin , Igor Plokhikh , Ekaterina Pomjakushina

Orbital selectivity is pivotal in dictating the phase diagrams of multiorbital systems, with prominent examples including the orbital-selective Mott phase and superconductivity, etc. The intercalation of anisotropic layers represents an…

Finding d-electron heavy fermion (HF) states has been an important topic as the diversity in d-electron materials can lead to many exotic Kondo effect-related phenomena or new states of matter such as correlation-driven topological Kondo…

Conductance measurements of a molecular wire, contacted between an epitaxial molecule-metal bond and the tip of a scanning tunneling microscope, are reported. Controlled retraction of the tip gradually de-hybridizes the molecule from the…

Strongly Correlated Electrons · Physics 2024-02-05 R. Temirov , A. C. Lassise , F. Anders , F. S. Tautz

Interest in the magnetism of organic compounds is growing because of new organic magnets, spin-based electronics and the diverse properties of magnetic edge states in graphene nanoribbons. Electron spin resonance spectroscopy combined with…

Mesoscale and Nanoscale Physics · Physics 2025-04-28 Gregory Czap , Christoph Wolf , Jose Reina-Gálvez , Mark H. Sherwood , Christopher P. Lutz

Using the density functional theory, we perform a full atomic relaxation of the bulk ferrite with 12.5%-concentration of monoatomic interstitial Cr periodically located at the edges of the bcc Fe$_\alpha$ cell. We show that structural…

Materials Science · Physics 2012-05-14 N. Pavlenko , N. Shcherbovskikh , Z. A. Duriagina

Metallic magnetism is both ancient and modern, occurring in such familiar settings as the lodestone in compass needles and the hard drive in computers. Surprisingly, a rigorous theoretical basis for metallic ferromagnetism is still largely…

Strongly Correlated Electrons · Physics 2010-11-05 Seiji J. Yamamoto , Qimiao Si

The magnetic and electronic structures of $3d$ impurity atoms from Sc to Zn in ferromagnetic body-centered cubic iron are investigated using the all-electron full-potential linearized augmented plane-wave method based on the generalized…

Materials Science · Physics 2010-05-25 Gul Rahman , In Gee Kim , H. K. D. H. Bhadeshia , Arthur J. Freeman

The theoretical need to study the properties of the Fe-based high-T_c superconductors with reliable many-body techniques requires us to determine the minimum number of orbital degrees of freedom that will capture the physics of these…

Superconductivity · Physics 2010-01-29 Maria Daghofer , Andrew Nicholson , Adriana Moreo , Elbio Dagotto

First-principles calculations are used to gauge different levels of approximation to calculate the magnetocrystalline anisotropy energies (MAE) of five $L1_0$ FeMe alloys (Me=Co, Cu, Pd, Pt, Au). We find that a second-order perturbation…

Materials Science · Physics 2020-12-14 M. Blanco-Rey , J. I. Cerda , A. Arnau

Manipulating the way in which colloidal particles self-organise is a central challenge in the design of functional soft materials. Meeting this challenge requires the use of building blocks that interact with one another in a highly…

Soft Condensed Matter · Physics 2021-03-30 Joe G Donaldson , Peter Schall , Laura Rossi

Patterned arrays of ferromagnetic nanoparticles of Co, Ni, and Fe_{\text{50}} Co_{\text{50}} have been synthesized from their ultrathin metal films on SiO_{\text{2}} substrate by nanosecond laser-induced self-organization. The morphology,…

Materials Science · Physics 2010-01-11 H. Krishna , A. K. Gangopadhyay , J. Strader , R. Kalyanaraman

The investigation of the magnetic phase transitions in the parent compounds of Fe-based superconductors is regarded essential for an understanding of the pairing mechanism in the related superconducting compounds. Even though the chemical…

Superconductivity · Physics 2017-12-01 Jonas Warmuth , Martin Bremholm , Philip Hofmann , Jens Wiebe , Roland Wiesendanger

We introduce an efficient finite-element approach for large-scale real-space pseudopotential density functional theory (DFT) calculations incorporating noncollinear magnetism and spin-orbit coupling. The approach, implemented within the…

Materials Science · Physics 2025-06-11 Nikhil Kodali , Phani Motamarri

Using first-principles calculations, we show that the magnetic properties of a two-dimensional antiferromagnetic transition-metal surface are modified on the atomic scale by the adsorption of small organic molecules. We consider benzene…

Materials Science · Physics 2015-06-16 Nuala M. Caffrey , Paolo Ferriani , Simone Marocchi , Stefan Heinze

Topology and strong electron correlations are crucial ingredients in emerging quantum materials, yet their intersection in experimental systems has been relatively limited to date. Strongly correlated Weyl semimetals, particularly when…

We report manipulation of a Kondo resonance originated from the spin-electron interactions between a two-dimensional molecular assembly of TBrPP-Co molecules and a Cu(111) surface at 4.6 K using a low temperature scanning tunneling…

Materials Science · Physics 2015-06-25 Violeta Iancu , Aparna Deshpande , Saw-Wai Hla*

We present ab-initio calculations of the magnetic moments and magnetic anisotropy energies of small FeCo clusters of varying composition on top of a Cu(100) substrate. Three different cluster layouts have been considered, namely 2x2, 3x3…

Materials Science · Physics 2007-05-23 C. Etz , B. Lazarovits , J. Zabloudil , R. Hammerling , B. Ujfalussy , L. Szunyogh , G. M. Stocks , P. Weinberger
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