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Related papers: High temperature ferromagnetism of Li-doped vanadi…

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Finding tunable van der Waals (vdW) ferromagnets that operate at above room temperature is an important research focus in physics and materials science. Most vdW magnets are only intrinsically magnetic far below room temperature and…

In the past decade, room temperature ferromagnetism was often observed in transition metal doped semiconductors, which were claimed as diluted magnetic semiconductors (DMS). Nowadays intensive activities are devoted to clarify wether the…

Materials Science · Physics 2013-01-03 Shengqiang Zhou , K. Potzger , G. Talut , J. von Borany , W. Skorupa , M. Helm , J. Fassbender

Atomically thin transition metal dichalcogenide (TMD) semiconductors hold enormous potential for modern optoelectronic devices and quantum computing applications. By inducing long-range ferromagnetism (FM) in these semiconductors through…

Understanding and controlling spin dynamics in two-dimensional (2D) van der Waals (vdW) ferromagnets is essential for their application in magnonics and hybrid quantum platforms. Here, we investigate the spin dynamics of the vdW ferromagnet…

In this letter, the authors present a study of the energetics and magnetic interactions in Fe doped ZnO clusters by ab-initio density functional calculations. The results indicate that defects under suitable conditions can induce…

Materials Science · Physics 2009-05-15 Nirmal Ganguli , Indra Dasgupta , Biplab Sanyal

The spontaneous vacuum magnetization at finite temperature is investigated in SU(2) gluodynamics within a consistent effective potential approach including the one-loop and the correlation correction contributions. To evaluate the latter…

High Energy Physics - Phenomenology · Physics 2009-10-31 Vladimir Skalozub , Michael Bordag

Vanadium dioxide, an archetypal correlated-electron material, undergoes an insulator-metal transition near room temperature that exhibits electron-correlation-driven and structurally-driven physics. Using ultrafast optical spectroscopy and…

The extreme variability of observables across the phase diagram of the cuprate high temperature superconductors has remained a profound mystery, with no convincing explanation of the superconducting dome. While much attention has been paid…

Superconductivity · Physics 2007-05-23 Angela Kopp , Amit Ghosal , Sudip Chakravarty

The search for ferromagnetism in the Hubbard model has been a problem of outstanding interest since Nagaoka's original proposal in 1966. Recent advances in quantum simulation have today enabled the study of tunable doped Hubbard models in…

Strongly Correlated Electrons · Physics 2024-11-25 Rhine Samajdar , R. N. Bhatt

Magnetic semimetals form an attractive class of materials because of the non-trivial contributions of itinerant electrons to magnetism. Due to their relatively low-carrier-density nature, a doping level of those materials could be largely…

Materials Science · Physics 2025-03-20 Hideki Matsuoka , Shun Kajihara , Yue Wang , Yoshihiro Iwasa , Masaki Nakano

We analyze the origin of ferromagnetism as a result of carrier mediation in diluted magnetic oxide semiconductors in the light of the experimental evidence reported in the literature. We propose that a combination of percolation of magnetic…

Materials Science · Physics 2007-09-27 M. J. Calderon , S. Das Sarma

Thickness (dF) and concentration (x) dependence of the Curie temperature of NixCu100-x(dF) ferromagnetic alloy layers (x =0.55,0.65, dF =[3nm{\div}12nm]) being in contact with a vanadium layer was studied. The Curie temperature of the…

The magnetic state of Nitrogen-doped MgO, with N substituting O at concentrations between 1% and the concentrated limit, is calculated with density-functional methods. The N atoms are found to be magnetic with a moment of 1 Bohr magneton…

Materials Science · Physics 2009-11-13 Phivos Mavropoulos , Marjana Lezaic , Stefan Blügel

The experimental observation that vanadate superlattices (LaVO$_3$)$_m$/SrVO$_3$ show ferromagnetism up to room temperature [U.\ L\"uders {\it et al.}, Phys.\ Rev.\ B {\bf 80}, 241102R (2009)] is investigated by means of density functional…

Strongly Correlated Electrons · Physics 2016-12-13 Cosima Schuster , Ulrike Lueders , Udo Schwingenschloegl , Raymond Fresard

Understanding the quantum dynamics of strongly interacting fermions is a problem relevant to diverse forms of matter, including high-temperature superconductors, neutron stars, and quark-gluon plasma. An appealing benchmark is offered by…

Recent studies demonstrated anomalous temperature shifts for some Fano-Feshbach resonances of thulium atoms. These anomalies were explained by the variation in light intensity in the optical dipole trap, which accompanied changes in…

Atomic Physics · Physics 2021-02-05 V. A Khlebnikov , V. V Tsyganok , D. A. Pershin , E. T Davletov , E. Kuznetsova , A. V. Akimov

An investigation of La and Ca doped Sr4Ru3O10, featuring a coexistence of interlayer ferromagnetism and intralayer metamagnetism, is presented. La doping readily changes magnetism between ferromagnetism and metamagnetism by tuning the…

Strongly Correlated Electrons · Physics 2009-11-11 S. Chikara , V. Durairaj , W. H. Song , Y. P. Sun , X. N. Lin , A. Douglass , G. Cao , P. Schlottmann

The microstructure of a Cu/V nanocomposite wire processed by cold drawing was investigated by high resolution transmission electron microscopy and atom probe tomography. The experimental data clearly reveal some deformation induced…

Materials Science · Physics 2009-07-10 Xavier Sauvage , Cécile Genevois , Gérald Da Costa , Viktor Pantsyrny

Experimental studies of Zn1-xCoxO as thin films or nanocrystals have found ferromagnetism and Curie temperatures above room temperature and that p- or n-type doping of Zn1-xCoxO can change its magnetic state. Bulk Zn1-xCoxO with a low…

Materials Science · Physics 2013-05-29 Charles H. Patterson

The microscopic coexistence of ferroelectricity and ferromagnetism in solids remains a fundamental challenge in condensed matter physics, with far-reaching implications for multifunctional materials and next-generation electronic devices.…

Materials Science · Physics 2026-01-05 Junlan Shi , Li Chen , Jiani Zhang , Botao Fu