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We report direct experimental evidence showing induced magnetic moments on Ge at the interface in an Fe/Ge system. Details of the x-ray magnetic circular dichroism and resonant magnetic scattering at the Ge L edge demonstrate the presence…

Impurity effects on the stability of a ferromagnetic metallic state in a bicritical-state manganite, (La0.7Pr0.3)0.65Ca0.35MnO3, on the verge of metal-insulator transition have been investigated by substituting a variety of transition-metal…

Strongly Correlated Electrons · Physics 2009-11-13 H. Sakai , K. Ito , R. Kumai , Y. Tokura

Single dopings of Mn and Fe in Si are investigated using 8-, 64-, and 216-atom supercells and a first-principles method based on density functional theory. Between the two transition metal elements (TMEs), atom sizes play an essential role…

Materials Science · Physics 2015-05-14 Michael Shaughnessy , C. Y. Fong , Ryan Snow , L. H. Yang , X. S. Chen , Z. M. Zhiang

We consider the electronic structure of, and magnetic exchange (spin) interactions between, nominally nonmagnetic Eu^3+ ions (4f^6, S=3, L=3, J=0) within the context of the rocksalt structure compounds EuN and EuP. Both compounds are ionic…

Materials Science · Physics 2009-11-11 M. D. Johannes , W. E. Pickett

Motivated by the ongoing interest in nitrides as materials for spintronics applications we have studied effects of doping with magnetic transition-metal elements (T=Cr,Mn,Fe,Co and Ni) on the electronic properties of semiconducting scandium…

Materials Science · Physics 2020-09-23 Fares Benissad , Abdesalem Houari

We report the magnetic properties of $A$-site spinel compound MnSc$_2$Se$_4$. The macroscopic magnetic measurements uncovers successive magnetic transitions at $T_{\rm{N1}}$= 2.04 K, followed by two further transitions at $T_{\rm{N2}}$=1.8…

Strongly Correlated Electrons · Physics 2022-06-01 K. Guratinder , V. Tsurkan , L. Prodan , L. Keller , J. P. Embs , F. Juranyi , M. Medarde , Ch. Rüegg , O. Zaharko

The quest for electric-field control of nanoscale magnetic states such as skyrmions, which would impact the field of spintronics, has led to a challenging search for multiferroic materials or structures with strong magnetoelectric coupling…

Materials Science · Physics 2023-10-24 Xin Jin , Andrew O'Hara , Yu-Yang Zhang , Shixuan Du , Sokrates T. Pantelides

The correlation between static magnetoelectric coupling and magnetic structure was investigated in $TbMn_{0.98}Fe_{0.02}O_{3}$ with magnetic field up to 8 T and down to 2 K. Single-crystal neutron diffraction experiments reveal a…

A study on temperature dependent magnetic properties of single phase orthorhombic perovskites system associated with space group Pbnm compounds Pr1-x(Gd/Nd)xMnO3 (x=0.3, 0.5, 0.7) was carried out. A magnetization reversal is observed below…

Materials Science · Physics 2016-06-13 Sanjay Biswas , Sudipta Pal

The structural, dielectric, magnetic, and magnetoelectric (ME) properties of particulate composites containing lead-iron niobate and lead titanate piezoelectric 0.94[PbFe$_{0.5}$Nb$_{0.5}$O$_3$]-0.06[PbTi$_{0.5}$O$_3$] (PFN-PT) and…

Materials Science · Physics 2022-08-25 Mohammad Torabi Shahbaz , Hossein Ahmadvand , Hadi Papi , Saeideh Mokhtari , Parviz Kameli

The effects of nonmagnetic Zn and magnetic Ni substitution for Cu site on magnetism are studied by measurements of uniform magnetic susceptibility for lightly doped La_{2-x}Sr_xCu_{1-z}M_zO_4 (M=Zn or Ni) polycrystalline samples. For the…

Superconductivity · Physics 2009-11-10 T. Machi , I. Kato , R. Hareyama , N. Watanabe , Y. Itoh , N. Koshizuka , S. Arai , M. Murakami

The magnetic properties of thin Pd fcc(001) films with embedded monolayers of Fe are investigated by means of first principles density functional theory. The induced spin polarization in Pd is calculated and analyzed in terms of quantum…

Materials Science · Physics 2016-08-16 Erik Holmström , Lars Nordström , A. M. N. Niklasson

The evolution of electronic (spin and charge) excitations upon carrier doping is an extremely important issue in superconducting layered cuprates and the knowledge of its asymmetry between electron- and hole-dopings is still fragmentary.…

We report the magnetic phase diagram of Mn$_{1-x}$Fe$_{x}$PSe$_3$ which represents a random magnet system of two antiferromagnetic systems with mixed spin, mixed spin anisotropies, mixed nearest neighbor magnetic interactions and mixed…

The noncollinear antiferromagnets Mn$_3$Sn/Ge emerge as promising spin-current sources with both in-plane and out-of-plane spin polarizations, thereby enabling field-free magnetization switching. However, the microscopic origin of the…

Mesoscale and Nanoscale Physics · Physics 2026-03-26 Mingxing Wu , Kouta Kondou , Taishi Chen , Satoru Nakatsuji , YoshiChika Otani

We have succeeded for the first time in synthesizing single crystals of nanolaminated borides (Fe$_{1-x}$Mn$_{x}$)$_2$AlB$_2$ in the entire Fe-Mn composition range using the Al self-flux method, and have established $T$-$x$, $H$-$T$ and…

Materials Science · Physics 2024-05-17 Taiki Shiotani , Takeshi Waki , Yoshikazu Tabata , Hiroyuki Nakamura

Aiming at increasing the ferroelectric polarization in AFM-E ortho-\hmo, we investigate the in-plane strain effects on both the magnetic configuration and the polarization by means of density functional theory calculations and model…

Mn doping in dilute III-V alloys has been examined as a route to enhance ferromagnetic stability. Strong valence band bowing is expected at the dilute limit, implying a strong modification of the ferromagnetic stability upon alloying, with…

Materials Science · Physics 2015-05-13 Roby Cherian , Priya Mahadevan , Clas Persson

The electronic structure and magnetic properties of pure and doped {Fe$_{16}$N$_2$} systems have been studied in the local-density (LDA) and quasiparticle self-consistent {\emph{GW}} approximations. The {\emph{GW}} magnetic moment of pure…

We review the first decade of extensive optical studies of ferromagnetic, III-Mn-V diluted magnetic semiconductors. Mn introduces holes and local moments to the III-V host, which can result in carrier mediated ferromagnetism in these…

Materials Science · Physics 2008-10-22 K. S. Burch , D. D. Awschalom , D. N. Basov
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