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Related papers: Long-range magnetic ordering in rocksalt-type high…

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We report the evolution of structural and magnetic properties in La2O3(Fe1-xMnx)2Se2. Heat capacity and bulk magnetization indicate an increased ferromagnetic component of the long-range magnetic order and possible increased degree of…

Strongly Correlated Electrons · Physics 2012-10-10 Hechang Lei , Emil S. Bozin , A. Llobet , V. Ivanovski , V. Koteski , J. Belosevic Cavor , B. Cekic , C. Petrovic

$2p$-based magnetic moments and magnetic coupling are studied with density functional based methods for substitutional N in the alkaline earth monoxide series MgO, CaO, SrO, BaO. The hole is rather strongly localized near the N$^{2-}$ ion,…

Strongly Correlated Electrons · Physics 2008-10-30 V. Pardo , W. E. Pickett

High entropy oxides (HEO) are a recently introduced class of oxide materials, which are characterized by a large number of elements (i.e. five or more) sharing one lattice site which crystallize in a single phase structure. One complex…

We determined the magnetic structure of CuCr$_2$O$_4$ using neutron diffraction and irreducible representation analysis. The measurements identified a new phase between 155 K and 125 K as nearly collinear magnetic ordering in the Cr…

Strongly Correlated Electrons · Physics 2018-03-20 K. Tomiyasu , S. Lee , H. Ishibashi , Y. Takahashi , T. Kawamata , Y. Koike , T. Nojima , S. Torii , T. Kamiyama

On the basis of a first-principles, relativistic electronic structure theory of finite temperature metallic magnetism, we investigate the variation of magnetic anisotropy, K, with magnetisation, M, in metallic ferromagnets. We apply the…

Materials Science · Physics 2009-11-10 J. B. Staunton , S. Ostanin , S. S. A. Razee , B. L. Gyorffy , L. Szunyogh , B. Ginatempo , Ezio Bruno

We performed resistance measurements on Fe$_{1+\delta-x}$Cu$_{x}$Te with $x_{EDX}\leq 0.06$ in the presence of in-plane applied magnetic fields, revealing a resistance anisotropy that can be induced at a temperature far below the structural…

Strongly Correlated Electrons · Physics 2017-06-28 Toni Helm , Patrick N. Valdivia , Edith Bourret-Courchesne , James G. Analytis , Robert J. Birgeneau

We report powder and single crystal neutron diffraction measurements of the magnetic order in AMnBi2 (A = Sr and Ca), two layered manganese pnictides with anisotropic Dirac fermions on a Bi square net. Both materials are found to order at…

Strongly Correlated Electrons · Physics 2014-08-20 Y. F. Guo , A. J. Princep , X. Zhang , P. Manuel , D. Khalyavin , I. I. Mazin , Y. G. Shi , A. T. Boothroyd

Neutron scattering measurements on the spin-ice candidate material Ho$_2$Ru$_2$O$_7$ have revealed two magnetic transitions at T $\sim$ 95 K and T $\sim$ 1.4 K to long-range ordered states involving the Ru and Ho sublattices, respectively.…

Statistical Mechanics · Physics 2009-11-10 C. R. Wiebe , J. S. Gardner , S. -J. Kim , G. M. Luke , A. S. Wills , B. D. Gaulin , J. E. Greedan , I. Swainson , Y. Qiu , C. Jones

The crystal growth and the structural, transport and magnetic properties of the magnetically frustrated YbMn$_2$Sb$_2$ single crystals are reported. The crystals show a trigonal symmetry (space group $P\bar{3}m1$), where corrugated…

Atomic Physics · Physics 2020-04-27 J. Munevar , F. R. Arantes , L. Mendonça-Ferreira , M. A. Avila , R. A. Ribeiro

Magnetic structures and the relationship between spin and charge-orbital orderings of an A-site ordered double-perovskite manganite SmBaMn2O6, an anticipated multiferroic material, were investigated by means of neutron diffraction. The spin…

Strongly Correlated Electrons · Physics 2021-07-14 Ryoji Kiyanagi , Shigeki Yamada , Hiroshi Aoki , Hajime Sagayama , Taketo Moyoshi , Akiko Nakao , Takahisa Arima

We present here an investigation of the magnetic ordering in the Mott insulating oxyselenide materials Ln2O2Fe2OSe2 (Ln = Ce, Nd). Neutron powder diffraction data are consistent with a non-collinear multi-k ordering on the iron sublattice…

Strongly Correlated Electrons · Physics 2014-10-21 Emma E. McCabe , Andrew S. Wills , Laurent Chapon , Pascal Manuel , John S. O. Evans

We present a neutron and x-ray scattering investigation of Ca$_3$LiOsO$_6$, a material predicted to host magnetic ordering solely through an extended superexchange pathway involving two anions, an interaction mechanism that has undergone…

Strongly Correlated Electrons · Physics 2012-08-13 S. Calder , M. D. Lumsden , V. O. Garlea , J. -W. Kim , Y. G. Shi , H. L. Feng , K. Yamaura , A. D. Christianson

First principles calculations of the O surfaces of Co-ZnO show that substitutional Co ions develop large magnetic moments which long-range coupling depends on their mutual distance. The local spin polarization induced at the O atoms is…

Materials Science · Physics 2009-11-13 N. Sanchez , S. Gallego , M. C. Munoz

The present study summerizes magnetic and Mossbauer measurements on ceramic Li2MO3 M= Mn, Ru and Ir and the mixed Li2(Mn1-xRux)O3 materials, which show many of the features reflecting to antiferromagnetic ordering or to existence of…

Materials Science · Physics 2009-11-07 I. Felner , I. M. Bradaric

In the manganite Nd0.5Ca0.5MnO3, charge ordering occurs at much higher temperature than the antiferromagnetic order (TCO=250K,TN=160K). The magnetic behavior of the phase TN<T<TCO is puzzling: its magnetization and susceptibility are…

Strongly Correlated Electrons · Physics 2016-08-31 F. millange , S. de Brion , G. Chouteau

We report the magnetic structure and electronic properties of the honeycomb antiferromagnet $\rm NaNi_2BiO_{5.66}$. We find magnetic order with moments along the $c$ axis for temperatures below $T_{c1}=6.3(1)\>{\rm K}$ and then in the…

Strongly Correlated Electrons · Physics 2019-12-25 A. Scheie , K. Ross , P. Peter Stavropoulos , E. Seibel , J. A. Rodriguez-Rivera , J. A. Tang , Yi Li , Hae-Young Kee , R. J. Cava , C. Broholm

Azurite, Cu3(CO3)2(OH)2, has been considered an ideal example of a one-dimensional (1D) diamond chain antiferromagnet. Early studies of this material imply the presence of an ordered antiferromagnetic phase below $T_N \sim 1.9$ K while…

We report the electronic structure and magnetic ordering of the single molecule magnet [Mn$_{10}$O$_{4}$(2,2'-biphenoxide)$_{4}$Br$_{12}$]$^{4-}$ based on first-principles all-electron density-functional calculations. We find that two of…

Materials Science · Physics 2009-11-07 Jens Kortus , Tunna Baruah , N. Bernstein , Mark R. Pederson

We present a generic mechanism that explains why many Kondo materials show magnetic ordering along directions that are not favoured by the crystal-field anisotropy. Using a renormalization-group (RG) analysis of single impurity Kondo models…

Strongly Correlated Electrons · Physics 2022-06-17 M. P. Kwasigroch , Huanzhi Hu , F. Krüger , A. G. Green

We present a detailed structural investigation via neutron diffraction of differently heat treated samples Fe2VAl and Fe2+xV1-xAl. Moreover, the magnetic behaviour of these materials is studied by means of mSR and Mossbauer-experiments. Our…

Strongly Correlated Electrons · Physics 2009-11-07 I. Maksimov , D. Baabe , H. -H. Klauss , F. J. Litterst , R. Feyerherm , D. M. Toebbens , A. Matsushita , S. Suellow
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