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Related papers: Sm2Al: Another ferromagnet with spin-orbital compe…

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The magnetic orientations and switching fields of a CoCrPt-Ru-CoCrPt synthetic ferrimagnet with perpendicular magnetic anisotropy have been studied in the temperature range from 2 K to 300 K. It was found that two sets of magnetic…

Materials Science · Physics 2020-12-15 B. Beauchamp , E. E. Marinero

The S=2 anisotropic triangular lattice alpha-NaMnO2 is studied by neutron inelastic scattering. Antiferromagnetic order occurs at T ~ 45 K with opening of a spin gap. The spectral weight of the magnetic dynamics above the gap (Delta ~ 7.5…

Strongly Correlated Electrons · Physics 2015-05-13 C. Stock , L. C. Chapon , O. Adamopoulos , A. Lappas , M. Giot , J. W. Taylor , M. A. Green , C. M. Brown , P. G. Radaelli

We present self flux growth and characterization of single crystalline AlMn$_2$B$_2$. It is an orthorhombic (space group Cmmm), layered material with a plate like morphology. The anisotropic bulk magnetization data, electrical transport and…

Materials Science · Physics 2019-07-03 Tej N. Lamichhane , Khusboo Rana , Qisheng Lin , Sergey L. Bud'ko , Yuji Furukawa , Paul C. Canfield

We have observed the conduction electron spin resonance (CESR) in fine powders of MgB2 both in the superconducting and normal states. The Pauli susceptibility is chi_s=2.0*10^{-5} emu/mole in the temperature range of 450 to 600 K. The spin…

Angular-dependent in-plane magnetoresistance (AMR) for single crystal $Na_{0.34}(H_3O)_{0.15}CoO_2$ with charge ordering is studied systematically. The anisotropic magnetoresistance shows a twofold symmetry at high temperature with rotating…

Strongly Correlated Electrons · Physics 2009-11-11 C. H. Wang , X. H. Chen , G. Wu , T. Wu , H. T. Zhang , J. L. Luo , G. T. Liu , N. L. Wang

SrEr$_2$O$_4$ has been characterised by low-temperature powder neutron diffraction, as well as single crystal specific heat and magnetisation measurements. Magnetisation measurements show that the magnetic system is highly anisotropic at…

Strongly Correlated Electrons · Physics 2008-11-18 O. A. Petrenko , G. Balakrishnan , N. R. Wilson , S. de Brion , E. Suard , L. C. Chapon

The Fe(1+x)Sb compound has been synthesized close to stoichiometry with x = 0.023(8). The compound was investigated by 57Fe M\"ossbauer spectroscopy in the temperature range 4.2 - 300 K. The antiferromagnetic ordering temperature was found…

Strongly Correlated Electrons · Physics 2016-01-20 K. Komedera , A. K. Jasek , A. Blachowski , K. Ruebenbauer , A. Krzton-Maziopa

Altermagnets offer a route to spin-polarized electronic states without macroscopic magnetization, because compensated magnetic order can generate momentum-dependent spin splitting through crystal-symmetry-controlled exchange fields.…

Materials Science · Physics 2026-05-28 Yi-Fei Jiang , Jia-Xuan Guo , Zhen Zhang , Xin-Wei Yi , Jing-Yang You

We report a comprehensive study of the temperature-dependent structural, magnetic, vibrational, and dielectric properties of Al-substituted M-type hexaferrites SrFe$_{12-x}$Al$_x$O$_{19}$. Neutron powder diffraction and M\"ossbauer…

The possibility of a zero temperature, altermagnetic instability in anisotropic two dimensional electron systems in the diffusive regime is analyzed, in the presence and absence of spin-orbit coupling. Allowing for ferromagnetism, a phase…

Strongly Correlated Electrons · Physics 2026-05-08 Alberto Cortijo

Using a combination of high-temperature series expansion, exact diagonalization and quantum Monte Carlo, we perform a complementary analysis of the thermodynamic properties of quasi-one-dimensional mixed-spin systems with alternating…

Strongly Correlated Electrons · Physics 2007-05-23 Noboru Fukushima , Andreas Honecker , Stefan Wessel , Wolfram Brenig

Multiferroic BaMnF$_4$ powder were prepared by hydrothermal method. Hysteretic field dependent magnetization curve at 5 K confirms the weak ferromagnetism aroused from the canted antiferromagnetic spins by magnetoelectric coupling. The…

Materials Science · Physics 2015-12-18 Shuang Zhou , Ji Wang , Xiaofeng Chang , Shuangbao Wang , Bin Qian , Zhida Han , Qingyu Xu , Jun Du , Peng Wang , Shuai Dong

We present results of magnetization measurements showing that the magnetic response of the antiferromagnetic state of SmMn_2Ge_2 depends on the path used in the field(H)-temperature(T) phase space to reach this state. Distinct signature of…

Strongly Correlated Electrons · Physics 2009-11-07 S. B. Roy , S. Chaudhary , M. K. Chattopadhyay , P. Chaddah , E. V. Sampathkumaran

The Mn spin correlations were studied near the O'-O phase transition at T{JT} = 750 K, up to 950 K with 17O and 139La NMR in a stoichiometric LaMnO3 crystalline sample. The measured local hyperfine fields originate from the electron density…

Strongly Correlated Electrons · Physics 2015-06-15 A. Trokiner , S. Verkhovskii , A. Gerashenko , Z. Volkova , O. Anikeenok , K. Mikhalev , M. Eremin

We study the demagnetization dynamics of the fully compensated half-metallic ferrimagnet Mn$_2$Ru$_x$Ga. While the two antiferromagnetically coupled sublattices are both composed of manganese, they exhibit different temperature dependencies…

Materials Science · Physics 2021-01-18 G. Bonfiglio , K. Rode , G. Y. P. Atcheson , P. Stamenov , J. M. D. Coey , A. V. Kimel , Th. Rasing , A. Kirilyuk

Spins in molecular magnets can experience both anisotropic exchange interactions and on-site magnetic anisotropy. In this paper we study the effect of exchange anisotropy on the molecular magnetic anisotropy both with and without on-site…

Materials Science · Physics 2018-12-12 Sumit Haldar , Rajamani Raghunathan , Jean-Pascal Sutter , S. Ramasesha

Abstract We present finite-temperature Monte Carlo studies of a 2D random-anisotropy magnet on lattices containing one million spins. The correlated spin-glass state predicted by analytical theories is reproduced in simulations, as are the…

Materials Science · Physics 2025-02-14 Dmitry A. Garanin , Eugene M. Chudnovsky

Magnetic correlations in the paramagnetic phase of CaFe2As2 (T_N=172 K) have been examined by means of inelastic neutron scattering from 180 K (~ 1.05 T_N) up to 300 K (~1.8 T_N). Despite the first-order nature of the magnetic ordering,…

The crystal and magnetic structures of AlFe2B2 have been studied with a combination of X-ray and neutron diffraction and electronic structure calculations. The magnetic and magnetocaloric properties have been investigated by magnetisation…

Detailed magnetic properties of the compound Sr2YbRuO6 are presented here. The compound belongs to the family of double perovskites forming a monoclinic structure. Magnetization meas-urements reveal clear evidence for two components of…

Strongly Correlated Electrons · Physics 2008-09-29 Ravi P. Singh , C. V. Tomy