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Related papers: Physical properties of the tetragonal CuMnAs: a fi…

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The $A$MnO$_{2}$ delafossites ($A$=Na, Cu), are model frustrated antiferromagnets, with triangular layers of Mn$^{3+}$~spins. At low temperatures ($T_{N}$=65 K), a $C2/m \rightarrow P\overline{1}$ transition is found in CuMnO$_2$, which…

The stability and magnonic properties of double-layered antiferromagnets are investigated using two model systems, a linear chain (LC) and a more complex chain of railroad trestle (RT) geometry, and the results are confronted with…

Strongly Correlated Electrons · Physics 2026-02-11 Seo-Jin Kim , Zdeněk Jirák , Jiří Hejtmánek , Karel Knížek , Helge Rosner , Kyo-Hoon Ahn

MnAs/GaAs superlattices, made by $\delta$-doping GaAs with Mn, are known as digital ferromagnetic heterostructures. Here we present a theoretical density functional study of the electronic, magnetic and transport properties of such…

Materials Science · Physics 2009-11-07 Stefano Sanvito , Nicola A. Hill

While the vibrational thermodynamics of materials with small anharmonicity at low temperatures has been understood well based on the harmonic phonons approximation; at high temperatures, this understanding must accommodate how phonons…

Materials Science · Physics 2015-10-20 Tian Lan

The complex magnetism and transport properties of tetragonal Ce$_3$Cu$_4$As$_4$O$_2$ were examined through neutron scattering and physical properties measurements on polycrystalline samples. The lamellar structure consists of alternating…

Strongly Correlated Electrons · Physics 2016-09-07 Jiakui K. Wang , Shan Wu , Yiming Qiu , Jose A. Rodriguez-Rivera , Qingzhen Huang , C. Broholm , E. Morosan

Body-centered cubic (bcc) Fe-Mn systems are known to exhibit a complex and atypical magnetic behaviour from both experiments and 0 K electronic-structure calculations, which is due to the half-filled 3d-band of Mn. We propose effective…

Materials Science · Physics 2021-01-20 Anton Schneider , Chu-Chun Fu , Osamu Waseda , Cyrille Barreteau , Tilmann Hickel

Antiferromagnetic materials as active components in spintronic devices promise insensitivity against external magnetic fields, the absence of own magnetic stray fields, and ultrafast dynamics at the picosecond time scale. Materials with…

Antiferromagnets (AFs) attract much attention due to potential applications in spintronics. Both the electric current and the electric field are considered as tools suitable to control properties and the N\'eel vector direction of AFs.…

We perform density functional calculations to investigate the structure of the inter-metallic alloy FeRh under epitaxial strain. Bulk FeRh exhibits a metamagnetic transition from a low-temperature antiferromagnetic (AFM) phase to a…

Materials Science · Physics 2016-07-20 Ulrich Aschauer , Roisin Braddell , Sonia A. Brechbühl , Peter M. Derlet , Nicola A. Spaldin

Measurements of the resistive properties and the lattice parameters of a (LaVO3)[6 unit cells]/(SrVO3)[1 unit cell] superlattice between 10K and room temperature are presented. A low temperature metallic phase compatible with a Fermi liquid…

Strongly Correlated Electrons · Physics 2015-05-28 A. David , R. Frésard , Ph. Boullay , W. Prellier , U. Lüders , P. -E. Janolin

The orthorhombic antiferromagnetic compound CuMnAs was recently predicted to be an antiferromagnetic Dirac semimetal if both the Ry gliding and S2z rotational symmetries are preserved in its magnetic ordered state. In our previous work on…

Strongly Correlated Electrons · Physics 2018-10-17 Eve Emmanouilidou , Jinyu Liu , David Graf , Huibo Cao , Ni Ni

We have studied the ferromagnetic Kondo lattice model (FKLM) with an Anderson impurity on finite chains with numerical techniques. We are particularly interested in the metallic ferromagnetic phase of the FKLM. This model could describe…

Strongly Correlated Electrons · Physics 2009-11-13 S. Costamagna , J. A. Riera

We study in this paper the parallel spin current in an antiferromagnetic semiconductor thin film where we take into account the interaction between itinerant spins and lattice spins. The spin model is an anisotropic Heisenberg model. We use…

Materials Science · Physics 2010-12-30 K. Akabli , Yann Magnin , Masataka Oko , Isao Harada , Hung The Diep

In order to investigate the phase stability of equiatomic FeN compounds and the structure-dependent magnetic properties, the electronic structure and total energy of FeN with NaCl, ZnS and CsCl structures and various magnetic configurations…

Materials Science · Physics 2009-10-31 Yong Kong

We investigate the thermodynamics and phase stability of the AlTiVCr lightweight high-entropy alloy using a combination of ab initio electronic structure calculations, a concentration wave analysis, and atomistic Monte Carlo simulations. In…

Materials Science · Physics 2026-01-26 Christopher D. Woodgate , Hubert J. Naguszewski , Nicolas F. Piwek , David Redka

Understanding the coupling between structural phase transitions and thermal transport is essential for designing functional materials with tunable properties. Here, we investigate this interplay in CaSnF$_6$ by combining first-principles…

Materials Science · Physics 2026-04-15 Daxue Hao , Hao Huang , Geng Li , Yu Wu , Shuming Zeng

We report an experimental study of the magnetic order and electronic structure and transport of the layered pnictide EuMnSb$_2$, performed using neutron diffraction, angle-resolved photoemission spectroscopy (ARPES), and magnetotransport…

Strongly Correlated Electrons · Physics 2019-11-11 J. -R. Soh , P. Manuel , N. M. B. Schröter , C. J. Yi , D. Prabhakaran , F. Orlandi , Y. G. Shi , A. T. Boothroyd

Effects of the Co substitution have been observed on the structural, magnetic and magneto-transport properties of Fe2-xCoxMnSi alloy. Curie temperature (TC) and saturation magnetization (MS) of these alloys increased linearly with the Co…

Strongly Correlated Electrons · Physics 2015-12-01 Lakhan Bainsla , K. G. Suresh , M. Manivel Raja , A. K. Nigam

We report the physical properties of orthorhombic o-CuMnAs single crystal, which is predicted to be a topological Dirac semimetal with magnetic ground state and inversion symmetry broken. o-CuMnAs exhibits an antiferromagnetic transition…

Materials Science · Physics 2017-12-13 Xiao Zhang , Shanshan Sun , Hechang Lei

Magnetic materials with high mobilities are intriguing subject of research from both fundamental and application perspectives. Based on first-principle calculations, we investigate the physical properties of the already synthesized AMnBi(A…

Mesoscale and Nanoscale Physics · Physics 2020-08-05 Ziming Zhu , Chunyan Liao , Si Li , Xiaoming Zhang , Weikang Wu , Zhi-Ming Yu , Rui Yu , Wei Zhang , Shengyuan A. Yang