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Spin-phonon interactions in 2D magnetic materials are crucial in advancing next-generation spintronic devices. Therefore, identifying new materials with significant spin-phonon interactions is of great importance. In this context, MnSe,…

Materials Science · Physics 2025-02-27 Suman Kalyan Pradhan , Arnab Bera , Soham Das , Yongli Yu , Jicheng Wang , Rui Wu

We report on a comprehensive study of the ferromagnetic moment per Mn atom in (Ga,Mn)As ferromagnetic semiconductors. Theoretical discussion is based on microscopic calculations and on an effective model of Mn local moments…

Room-temperature ferrimagnetism was discovered for the anti-site-disordered perovskite Ca2MnOsO6 with Tc = 305 K. Ca2MnOsO6 crystallizes into an orthorhombic structure with a space group of Pnma, in which Mn and Os share the…

Nd2Fe14B magnetic nanoparticles have been successfully produced using a surfactant-assisted ball milling technique. The nanoparticles with different size about 6, 20 and 300 nm were obtained by a size-selection process. Spin-reorientation…

Materials Science · Physics 2015-05-18 Chuanbing Rong , Narayan Poudyal , J. Ping Liu

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)…

Materials Science · Physics 2009-11-13 Yohei Kota , Hiroki Tsuchiura , Akimasa Sakuma

Analysis of neutron diffraction, dc magnetization, ac magnetic susceptibility, heat capacity, and electrical resistivity for DyRuAsO in an applied magnetic field are presented at temperatures near and below those at which the structural…

Strongly Correlated Electrons · Physics 2015-06-22 Michael A. McGuire , V. Ovidiu Garlea , Andrew F. May , Brian C. Sales

Using density functional theory, we investigate the electronic and magnetic properties of $3d$ transition-metal adatoms adsorbed on a monolayer of Mn on W(110). Mn/W(110) has a noncollinear cycloidal spin-spiral ground state with an angle…

Materials Science · Physics 2020-04-15 Mara Gutzeit , Soumyajyoti Haldar , Stefan Heinze

We report magnetic susceptibility \chi, isothermal magnetization M, heat capacity C_p and electrical resistivity \rho measurements on undoped EuMn2As2 and K-doped Eu0.96K0.04Mn2As2 and Eu0.93K0.07Mn2As2 single crystals with the trigonal…

Strongly Correlated Electrons · Physics 2016-12-13 V. K. Anand , D. C. Johnston

We investigate the magnetic properties of the isostructural spinel-spinel interface of NiMn2O4(NMO)-Fe3O4. Although the magnetic transition temperature of the NMO film is preserved, both bulk and interface sensitive measurements demonstrate…

Strongly Correlated Electrons · Physics 2008-09-26 B. B. Nelson-Cheeseman , R. V. Chopdekar , J. S. Bettinger , E. Arenholz , Y. Suzuki

We have investigated the non-centrosymmetric tetragonal heavy-fermion compound CeAuAl3 using muon spin rotation (muSR), neutron diffraction (ND) and inelastic neutron scattering (INS) measurements. We have also revisited the magnetic,…

The present work reproduces the room temperature ferromagnetism by doping magnetic Mn atoms in diamagnetic ZnO. The ferromagnetic ordering is extended up to 640 K in mechanical milled Zn0.95Mn0.05O samples. The bulk and nanocrystalline…

Strongly Correlated Electrons · Physics 2009-03-11 R. N. Bhowmik , Asok Poddar , A. Saravanan

Recent studies have reported an interesting class of semiconductor materials that bridge the gap between semiconductors and halfmetallic ferromagnets. These materials, called spin gapless semiconductors, exhibit a bandgap in one of the spin…

Materials Science · Physics 2013-07-15 Siham Ouardi , Gerhard H. Fecher , Jürgen Kübler , Claudia Felser

Magnetization (M) and magnetoresistance (MR) measurements on polycrystalline R2Mn3Si5 (R = Tb, Dy and Ho) compounds (tetragonal, space group P4/mnc) have been carried out in the temperature range of 2 K-300 K, in various applied fields.…

Materials Science · Physics 2009-11-11 R. Nirmala , S. K. Malik , A. V. Morozkin , Y. Yamamoto , H. Hori

The magnetic structure of the "nonmetallic metal" FeCrAs, a compound with the characters of both metals and insulators, was examined as a function of temperature using single-crystal neutron diffraction. The magnetic propagation vector was…

Strongly Correlated Electrons · Physics 2019-11-21 W. T. Jin , M. Meven , H. Deng , Y. Su , W. Wu , S. R. Julian , Young-june Kim

Realizing topological semimetal states with novel emergent fermions in magnetic materials is a focus of current research. Based on first-principle calculations and symmetry analysis, we reveal interesting magnetic emergent fermions in an…

Materials Science · Physics 2023-10-19 Yongheng Ge , Ziming Zhu , Zeying Zhang , Weikang Wu , Cong Xiao , Shengyuan A. Yang

Magnetostriction drives a rhombohedral distortion in the cubic rock salt antiferromagnet MnO at the N\'eel temperature $T_{N}=118$ K. As an unexpected consequence we show that this distortion acts to localize the site of an implanted muon…

Crystals of SrMn2Sb2 and BaMn2Sb2 were grown using Sn flux and characterized by powder and single-crystal x-ray diffraction, respectively, and by single-crystal electrical resistivity rho, heat capacity Cp, and magnetic susceptibility chi…

Strongly Correlated Electrons · Physics 2018-01-10 N. S. Sangeetha , V. Smetana , A. -V. Mudring , D. C. Johnston

$^{51}$V NMR studies on CaV2O4 single crystals and $^{17}$O NMR studies on $^{17}$O-enriched powder samples are reported. The temperature dependences of the $^{17}$O NMR line width and nuclear spin-lattice relaxation rate give strong…

Strongly Correlated Electrons · Physics 2010-11-17 X. Zong , B. J. Suh , A. Niazi , J. Q. Yan , D. L. Schlagel , T. A. Lograsso , D. C. Johnston

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

Ferromagnetic insulators (FM-Is) are the materials of interest for new generation quantum electronic applications. Here, we have investigated the physical observables depicting FM-I ground states in epitaxial Sm$ _{2} $NiMnO$ _{6} $ (SNMO)…

Materials Science · Physics 2022-04-20 Supriyo Majumder , Malvika Tripathi , I Píš , S Nappini , P Rajput , S N Jha , R J Choudhary , D M Phase
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