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相关论文: Ground state magnetic structure of Mn3Sn

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We have used spherical neutron polarimetry to investigate the magnetic structure of the Mn spins in the hexagonal semimetal Mn$_3$Ge, which exhibits a large intrinsic anomalous Hall effect. Our analysis of the polarimetric data finds a…

强关联电子 · 物理学 2020-04-30 J. -R. Soh , F. de Juan , N. Qureshi , H. Jacobsen , H. -Y. Wang , Y. -F. Guo , A. T. Boothroyd

The aim of this work is to unravel a basic microscopic picture behind complex magnetic properties of hexagonal manganites. For these purposes, we consider two characteristic compounds: YMnO3 and LuMnO3, which form different magnetic…

材料科学 · 物理学 2012-08-10 I. V. Solovyev , M. V. Valentyuk , V. V. Mazurenko

In this paper we present results of our calculations of the non-collinear spin density distribution in the systems with frustrated triangular magnetic structure (Mn-based antiperovskite compounds, Mn_{3}AN (A=Ga, Zn)) in the ground state…

材料科学 · 物理学 2015-05-14 Pavel Lukashev , Renat F. Sabirianov , Kirill Belashchenko

Magnetic domain walls are topological solitons whose internal structure is set by competing energies which sculpt them. In common ferromagnets, domain walls are known to be of either Bloch or N\'eel types. Little is established in the case…

The response of vortex state to the magnetic field in Nb3Sn is probed using muon spin rotation and small-angle neutron scattering. A transformation of vortex structure between hexagonal and squared lattice is observed over a relatively low…

In this letter we describe the ground-state magnetic structure of the highly anisotropic helimagnet Cr$_{1/3}$NbS$_2$ in a magnetic field. A Heisenberg spin model with Dyzaloshinkii-Moriya interactions and magne- tocrystalline anisotropy…

We have revisited the magnetic structure of manganese phosphorus trisulfide MnPS3 using neutron diffrac- tion and polarimetry. MnPS3 undergoes a transition toward a collinear antiferromagnetic order at 78 K. The resulting magnetic…

强关联电子 · 物理学 2010-12-06 Eric Ressouche , Mickael Loire , Virginie Simonet , Rafik Ballou , Anne Stunault , Andrew Wildes

Triangular-lattice systems host a variety of ground states, ranging from quantum spin liquids to magnetically ordered phases, the latter of which can exhibit a sequence of magnetic phase transitions under applied magnetic fields. Here, we…

In this paper we attempt to understand the different nature of first order magnetic transformation in Mn$_3$SnC as compared to that in Mn$_3$GaC. The transformation in Mn$_3$SnC is close to room temperature (T$_t \approx$ 280K) and is…

材料科学 · 物理学 2015-06-30 E. T. Dias , K. R. Priolkar , A. Das , G. Aquilanti , Ö. Çakir , M. Acet , A. K. Nigam

The electronic structures and magnetic properties of strained monolayer MnPSe3 are investigated systematically by first-principles calculations. It is found that the magnetic ground state (GS) of monolayer MnPSe3 can be significantly…

材料科学 · 物理学 2018-04-30 Qi Pei , Xiaocha Wang , Jijun Zou , Wenbo Mi

We study the electronic states of the magnetically ordered Mn3Pt alloy within the density functional theory. Mn3Pt has been believed that one third of Mn atoms have no magnetic moment in an antiferromagnetic phase (so-called the F-phase)…

材料科学 · 物理学 2009-11-13 Yohei Kota , Hiroki Tsuchiura , Akimasa Sakuma

A Mn dopant in a III-V semiconductor produces a highly-entangled, coherent triplet ground state not fully captured by single-determinant theories of electron structure. We directly construct an analytic form for its ground-state…

介观与纳米尺度物理 · 物理学 2025-12-02 Julian Zanon , Michael E. Flatté

The investigations of the interconnection between micro- and macroscopic properties of materials hosting noncollinear antiferromagnetic ground states are challenging. These forefront studies are crucial for unraveling the underlying…

介观与纳米尺度物理 · 物理学 2022-03-10 N. Biniskos , F. J. dos Santos , K. Schmalzl , S. Raymond , M. dos Santos Dias , J. Persson , N. Marzari , S. Blügel , S. Lounis , T. Brückel

We investigate the magnetic properties of three Mn$_6$ single molecule magnets by means of inelastic neutron scattering and frequency domain magnetic resonance spectroscopy. The experimental data reveal that small structural distortions of…

The structural and magnetic properties of the hexagonal four-layer form of SrMnO$_3$ have been investigated by combining magnetization measurements, electron diffraction and high-resolution synchrotron X-ray and neutron powder diffraction.…

强关联电子 · 物理学 2007-05-23 A. Daoud-Aladine , C. Martin , L. C. Chapon , M. Hervieu , K. S. Knight , M. Brunelli , P. G. Radaelli

The magnetic anisotropy of a novel Mn(II)-[3x3] grid complex was investigated by means of high-field torque magnetometry. Torque vs. field curves at low temperatures demonstrate a ground state with S > 0 and exhibit a torque step due to a…

凝聚态物理 · 物理学 2009-11-07 Oliver Waldmann , L. Zhao , L. K. Thompson

In 3d-electron magnetic systems, the magnetic structures that transform each other by spin rotation have very close degenerate energies due to small spin-orbit coupling and can be easily controlled by chemical substitution and external…

材料科学 · 物理学 2025-11-20 Vu Thi Ngoc Huyen , Yuki Yanagi , Michi-To Suzuki

The superconductor Nb$_3$Sn has a high critical temperature and high critical field, widely used for high-field superconducting magnets. In this work we investigate its microscopic electronic structure with $^{93}$Nb nuclear magnetic…

Layered transition metal trichalcogenides with the chemical formula $ABX_3$ have attracted recent interest as potential candidates for two-dimensional magnets. Using first-principles calculations within density functional theory, we…

材料科学 · 物理学 2015-08-11 Nikhil Sivadas , Matthew W. Daniels , Robert H. Swendsen , Satoshi Okamoto , Di Xiao

We study the effect of dipolar interactions on a magnetic striped monolayer with a microscopic unit cell of square symmetry, and of size $(N_x\times N_y)$ spins. Even if the aspect ratio $r=N_x/N_y$ is very large, an in-plane shape…

凝聚态物理 · 物理学 2007-05-23 Paolo Politi , Maria Gloria Pini
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