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Voltage control of magnetism through electric field-induced oxygen motion (magneto-ionics) could represent a significant breakthrough in the pursuit for new strategies to enhance energy efficiency in a large variety of magnetic devices,…

Motivated by the presence of competing magnetic interactions in the heavy fermion family Ce$TX_2$ ($T$ = transition metal, $X$ = pnictogen), here we study the novel parent compound CeCd$_{1-\delta}$Sb$_{2}$ by combining magnetization,…

强关联电子 · 物理学 2015-08-11 P. F. S. Rosa , R. J. Bourg , C. B. R. Jesus , P. G. Pagliuso , Z. Fisk

We report the synthesis and physical characterization of single-crystalline Ce3MgBi5, a previously unexplored member of the Ce3MPn5 family. This compound crystallizes in the hexagonal P63/mcm structure, featuring an anisotropic Ce…

The influence of YBa2Cu3O4 (YBCO) superconductor layer (S-layer) with varying thickness d-YBCO = 20 to 50 nm on the magnetic coupling between two La0.67Ca0.33MnO3 (LCMO) ferromagnet layers (F-layer, thickness d-LCMO = 50 nm) in F/S/F…

超导电性 · 物理学 2016-11-23 Rajni Porwal , Anurag Gupta , R. C. Budhani

MnAs exhibits a first-order phase transition from a ferromagnetic, high-spin metal NiAs-type hexagonal phase to a paramagnetic, lower-spin insulator MnP-type orthorhombic phase at T_C = 313 K. Here, we report the results of neutron…

材料科学 · 物理学 2009-11-07 J. Mira , F. Rivadulla , J. Rivas , A. Fondado , R. Caciuffo , F. Carsughi , T. Guidi , J. B. Goodenough

Strong magnetic field pulses associated with a relativistic electron bunch can imprint switching patterns in magnetic thin films that have uniaxial in-plane anisotropy. In experiments with Fe and FeCo alloy films the pattern shape reveals…

介观与纳米尺度物理 · 物理学 2017-02-24 Ioan Tudosa

We report magnetoresistance oscillations in high magnetic fields, B, up to 45 T and over a wide range of temperature in the Mott-like system Ca3Ru2O7. For B rotating within the ac-plane, slow and strong Shubnikov-de Haas (SdH) oscillations…

强关联电子 · 物理学 2009-11-11 V. Durairaj , X. N. Lin , Z. X. Zhou , S. Chikara , E. Ehami , A. Douglass , P. Schlottmann , G. Cao

We have studied the magnetization of the recently discovered heavy fermion superconductor UTe$_2$ up to 56 T in pulsed-magnetic fields. A first-order metamagnetic transition has been clearly observed at $H_{\rm m}$ =34.9 T when the magnetic…

This paper presents structural, detailed magnetic, and exchange bias studies in polycrystalline Ba$_{2}$ScRuO$_{6}$ synthesized at ambient pressure. In contrast to its strontium analogue, this material crystallizes in a 6L hexagonal…

材料科学 · 物理学 2023-04-28 Prachi Mohanty , Sourav Marik , R. P. Singh

Heat-capacity behavior in the presence of externally applied magnetic field (H) up to 140 kOe is investigated (2-35 K) for the quasi-1-dimensional compound, Ca3Co2O6, believed to order magnetically with the so-called partially disordered…

强关联电子 · 物理学 2009-11-10 E. V. Sampathkumaran , Z. Hiroi , S. Rayaprol , Y. Uwatoko

In the effective Ising spin-1/2 antiferromagnetic chain system BaCo$_2$V$_2$O$_8, the magnetic-field influence is highly anisotropic. For magnetic fields along the easy axis $c$, the N\'{e}el order is strongly suppressed already for low…

强关联电子 · 物理学 2015-06-15 S. K. Niesen , G. Kolland , M. Seher , O. Breunig , M. Valldor , M. Braden , B. Grenier , T. Lorenz

We have studied the influence of the magnetization on the superconducting transition temperature ($T_c$) in bi- and trilayers consisting of the half-metallic ferromagnet La$_{0.67}$Sr$_{0.33}$MnO$_3$ (LSMO) and the high-temperature…

超导电性 · 物理学 2009-04-15 M. van Zalk , M. Veldhorst , A. Brinkman , J. Aarts , H. Hilgenkamp

The magnetic behavior of the Ca3Co2O6 spin chain compound is characterized by a large Ising-like character of its ferromagnetic chains, set on triangular lattice, that are antiferromagnetically coupled. At low temperature, T < 7K, the 3D…

强关联电子 · 物理学 2007-05-23 A. Maignan , V. Hardy , S. Hebert , M. Drillon , M. R. Lees , O. Petrenko , D. Mc K. Paul , D. Khomskii

Low-temperature (down to $\sim$ 50 mK) thermal conductivity measurements with the heat flow direction along the inter-plane tetragonal $c$-axis, $\kappa_c$, were used to study the superconducting state of heavy fermion CeIrIn$_5$.…

超导电性 · 物理学 2022-04-14 H. Shakeripour , M. A. Tanatar , C. Petrovic , Louis Taillefer , Louis Taillefer

Structural, electronic and magnetic properties of polycrystalline La2-xCaxCoMnO6 (0 $\leq$ x $\leq$ 0.75) compounds are investigated by x-ray diffraction and magnetometry. All the samples have an orthorhombic structure and show a slight…

材料科学 · 物理学 2022-05-11 J. R. Jesus , L. Bufaiçal , E. M. Bittar

We report on the magnetic properties of a special configuration of a FeRh thin film. An anomalous behavior on the magnetisation vs. temperature was observed when low magnetic fields are applied in the plane of a thin layer of FeRh deposited…

Of the dense Kondo materials in the class CeTSb2 (where T = Au, Ag, Ni, Cu, or Pd), CeAgSb2 is special due to its complex magnetic ground state, which exhibits both ferro- and anti-ferromagnetic character below an ordering temperature TO ~…

强关联电子 · 物理学 2007-05-23 E. Jobiliong , J. S. Brooks , E. S. Choi , Han-Oh Lee , Z. Fisk

The structural, electronic, and magnetic properties of La2-xBaxCoMnO6 (0.25 =< x =< 1.0) compounds were investigated employing x-ray powder diffraction and magnetometry. The crystal structure evolves from orthorhombic Pnma to rhombohedral…

材料科学 · 物理学 2023-03-07 H. Fabrelli , A. G. Silva , M. Boldrin , L. Bufaiçal , E. M. Bittar

We have investigated a single crystal of CeAgSb2 using low field ac-susceptibility, thermal expansion and magnetostriction measurements in the temperature range 1.5K to 90K. The ac-susceptibility exhibits a sharp peak at 9.7K for both B//c…

强关联电子 · 物理学 2007-05-23 D. T. Adroja , P. C. Riedi , J. G. M. Armitage , D. Fort

In this work we present a comprehensive investigation on magnetic and thermodynamic properties of the two-dimensional layered honeycomb system Cr$_2$Ge$_2$Te$_6$. Using magnetization and specific heat measurements under magnetic field…

强关联电子 · 物理学 2020-01-29 Sebastian Selter , Gaël Bastien , Anja U. B. Wolter , Saicharan Aswartham , Bernd Büchner