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The ferromagnetic (FM) nature of Nd2Fe14B has been investigated with muon spin rotation and relaxation ({\mu}^+SR) measurements on an aligned, sintered plate-shaped sample. A clear muon spin precession frequency (f_{FM}) corresponding to…

Using the first-principles density-functional approach, magnetic properties of Mn-, Fe-, Co-, and Ni-doped rutile TiO2 were investigated for two different impurity concentrations (25% and 6.25%). Calculations were performed with the…

Materials Science · Physics 2008-04-24 L. A. Errico , M. Weissmann , M. Renteria

Prospects for light-rare-earth-based permanent magnet compound R$_{2}$Fe$_{14}$B (R=La$_{1-x}$Ce$_{x}$ with $0 \le x\le 1$) are inspected from first principles referring to the latest experimental data. Ce-rich 2:14:1 compounds come with…

Materials Science · Physics 2019-01-30 Munehisa Matsumoto , Masaaki Ito , Noritsugu Sakuma , Masao Yano , Tetsuya Shoji , Hisazumi Akai

Nuclear magnetic resonance (NMR) study of the high magnetic field (H) part of the Bose-Einstein condensed (BEC) phase of the quasi-onedimensional (quasi-1D) antiferromagnetic quantum spin-chain compound NiCl2-4SC(NH2)2 (DTN) was performed.…

The density functional non-interacting susceptibility has been analyzed in different phases of CaFe2As2 and compared with similar data for pure d-metals. The conditions for the "no local moment" itinerant state with large frustrations are…

Superconductivity · Physics 2009-11-13 G. D. Samolyuk , V. P. Antropov

Modern experimental techniques can generate magnetic fields of the form H(t) = H0 z-hat + H1 [x-hat cos({\omega}t) + y-hat sin({\omega}t)], at frequencies within an order of magnitude of the nuclear magnetic resonance (NMR) and electron…

Atomic Physics · Physics 2026-02-19 Zhichen Liu , Richard A. Klemm

We identify the precise hallmarks of the local magnetic moment formation and its Kondo screening in the frequency structure of the generalized charge susceptibility. The sharpness of our identification even pinpoints an alternative…

Strongly Correlated Electrons · Physics 2021-02-08 Patrick Chalupa , Thomas Schäfer , Matthias Reitner , Daniel Springer , Sabine Andergassen , Alessandro Toschi

The microscopic details of the suppression of antiferromagnetic order in the Kondo-lattice series Ce$_{1-x}$La$_{x}$Cu$_{2}$Ge$_{2}$ due to nonmagnetic dilution by La are revealed through neutron diffraction results for $x=0.20$, $0.40$,…

We theoretically investigate the exchange interaction between magnetic impurities in ultrathin Bi$_2$Se$_3$ topological insulator films by taking into account the low-energy states produced by the impurities. We find that the locally…

Materials Science · Physics 2020-12-30 Mahroo Shiranzaei , Jonas Fransson , Annica M. Black-Schaffer , Fariborz Parhizgar

Magnetic phases are commonly identified through macroscopic magnetization, yet many ordered states, including antiferromagnets and altermagnets, possess a vanishing net moment despite distinct local spin structure. We show that such an…

Mesoscale and Nanoscale Physics · Physics 2026-01-14 Rishith Reddy , Parveen Kumar , Ankur Das

The magnetocaloric effect (MCE) in many rare earth (RE) based intermetallic compounds has been extensively investigated during last two decades, not only due to their potential applications for magnetic refrigeration but also for better…

Materials Science · Physics 2016-01-18 Lingwei Li

An analysis of the magnetocaloric properties of the pure and substituted Fe2P compounds is made based on KKR-CPA electronic structure calculations and magnetisation M(H,T) measurements. The computed electronic densities of states and…

Materials Science · Physics 2008-10-01 B. Wiendlocha , J. Tobola , S. Kaprzyk , R. Zach , E. K. Hlil , D. Fruchart

CePdAl with Ce $4f$ moments forming a distorted kagom\'e network is one of the scarce materials exhibiting Kondo physics and magnetic frustration simultaneously. As a result, antiferromagnetic (AF) order setting in at $T_{\mathrm{N}} =…

Strongly Correlated Electrons · Physics 2016-12-28 Akito Sakai , Stefan Lucas , Philipp Gegenwart , Oliver Stockert , Hilbert v. Löhneysen , Veronika Fritsch

The ground state magnetic behaviour of Ce2(Pd0.8Ag0.2)2In and Ce2(Pd0.5Ag0.5)2In, found in the ferromagnetic branch of Ce2Pd2In, has been investigated by neutron powder diffraction at low temperature. Ce2(Pd0.8Ag0.2)2In is characterized by…

Strongly Correlated Electrons · Physics 2018-06-11 A. Martinelli , M. Giovannini , J. G. Sereni , C. Ritter

Magnetic field induced superconductivity is a rare property in nature due to the sensitivity of spin-singlet Cooper pairing to time-reversal symmetry breaking perturbations. However, in rare cases, an interplay between magnetic fields and…

Superconductivity · Physics 2026-01-29 Adrian Llanos , Veronica Show , Reiley Dorrian , Joseph Falson

Electronic correlations control the normal state of bulk high-Tc cuprates. Strong correlations also suppress the charge transport through cuprate grain boundaries (GBs). The question then arises if these correlations can produce magnetic…

Mesoscale and Nanoscale Physics · Physics 2014-10-01 Iris Xhango , Thilo Kopp

The nature of the magnetic correlations in Fe-based superconductors remains a matter of controversy. To address this issue, we use inelastic neutron scattering to characterize the strength and temperature dependence of low-energy spin…

Superconductivity · Physics 2012-03-20 Zhijun Xu , Jinsheng Wen , Guangyong Xu , Songxue Chi , Wei Ku , Genda Gu , J. M. Tranquada

We consider a model of an Anderson impurity embedded in a $d_{x^2-y^2}$-wave superconducting state to describe the low-energy excitations of cuprate superconductors doped with a small amount of magnetic impurities. Due to the Dirac-like…

Strongly Correlated Electrons · Physics 2013-01-24 Guang-Ming Zhang , Hui Hu , Lu Yu

We perform a theoretical study of the electronic structure and magnetic properties of the prototypical magnetic MAX-phase Mn$_2$GaC with the main focus given to the origin of magnetic interactions in this system. Using the density…

Strongly Correlated Electrons · Physics 2022-01-21 H. J. M. Jönsson , M. Ekholm , I. Leonov , M. Dahlqvist , J. Rosen , I. A. Abrikosov

With density functional theory, studied are the local magnetic moments in Fe-Al alloys depending on concentration and Fe nearest environment. At zero temperature, the system can be in different states: ferromagnetic, antiferromagnetic and…

Materials Science · Physics 2009-11-13 A. K. Arzhnikov , L. V. Dobysheva , M. A. Timirgazin
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