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First-principles calculations are used to investigate the magnetic properties of Ti$_{1-x}$Cr$_{x}$N solid solutions. We show that the magnetic interactions between Cr spins that favour antiferromagnetism in CrN is changed upon alloying…

Materials Science · Physics 2010-12-14 B. Alling

We describe a method to hyperpolarize 3He nuclear spins at high magnetic fields (4.7 Tesla) solely by a magnetized plasma. The conditions for such a magnetized plasma are fulfilled when the mean free path of the free electrons is much…

Atomic Physics · Physics 2018-12-12 A. Maul , P. Blümler , P. -J. Nacher , E. Otten , G. Tastevin , W. Heil

We have performed dielectric measurements and neutron diffraction experiments on the double perovskite In2NiMnO6. A ferroelectric polarization, P ~ 30 {\mu}C/m2, is observed in a polycrystalline sample below TN = 26 K where a magnetic phase…

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

Ferromagnetic SrRuO3 thin films are deposited on the ab-surface of single crystals of the spin-triplet superconductor Sr2RuO4 as substrates using pulsed laser deposition. The films are under a severe in-plane compressive strain.…

We have investigated the magnetic diffuse scattering of isostructural $S$ = 5/2 fcc antiferromagnets Ba$_2$MnTeO$_6$ and Ba$_2$MnWO$_6$ using polarized neutrons. Both materials display short-range correlated magnetism above their respective…

Effects of spin-orbit coupling and s-d exchange interaction are probed by magnetoresistance measurements carried out down to 50 mK on ZnO and Zn_{1-x}Mn_{x}O with x = 3 and 7%. The films were obtained by laser ablation and doped with Al to…

Disordered Systems and Neural Networks · Physics 2009-11-11 T. Andrearczyk , J. Jaroszynski , G. Grabecki , T. Dietl , T. Fukumura , M. Kawasaki

PbZr0.52Ti0.48O3/La0.67Sr0.33MnO3(PZT/LSMO) bilayer with surface roughness ~ 1.8 nm thin films have been grown by pulsed laser deposition on LaAlO3(LAO) substrates. High remnant polarization (30-54 micro C/cm2), dielectric…

Materials Science · Physics 2015-05-18 Sandra Dussan , Ashok Kumar , J. F. Scott , Ram S. Katiyar

We use a combination of density functional theory and Monte Carlo calculations to calculate the surface magnetization in magnetoelectric $\mathrm{Cr_2O_3}$ at finite temperatures. Such antiferromagnets, lacking both inversion and…

Materials Science · Physics 2023-04-19 Sophie F. Weber , Nicola A. Spaldin

Intensity distribution of the neutron magnetic scattering has been taken in the reciprocal space of a single crystal of the "spin ice" system Ho2Ti2O7 at the elastic energy position in the temperature (T) region between 0.4 K and 50 K. The…

The magnetic state of Nitrogen-doped MgO, with N substituting O at concentrations between 1% and the concentrated limit, is calculated with density-functional methods. The N atoms are found to be magnetic with a moment of 1 Bohr magneton…

Materials Science · Physics 2009-11-13 Phivos Mavropoulos , Marjana Lezaic , Stefan Blügel

Orthorhombic single crystals of TbMn0.5Fe0.5O3 are found to exhibit spin-reorientation, magnetization reversal and weak ferromagnetism. Strong anisotropy effects are evident in the temperature dependent magnetization measurements along the…

We report a detailed study of the magnetization modulus as a function of temperature and applied magnetic field under varying angle in Sr$_{4}$Ru$_{3}$O$_{10}$ close to the metamagnetic transition at $H_{c}\backsimeq 2.5\,$T for $H \perp…

Strongly Correlated Electrons · Physics 2017-09-27 F. Weickert , L. Civale , B. Maiorov , M. Jaime , M. B. Salamon , E. Carleschi , A. M. Strydom , R. Fittipaldi , V. Granata , A. Vecchione

We investigate the influence of the spatial extent of the proton magnetization and charge densities on the 2S hyperfine splitting in muonic hydrogen. The use of a non-perturbative relativistic Dirac approach leads to corrections of 15% to…

Atomic Physics · Physics 2011-08-31 J. D. Carroll , A. W. Thomas , G. A. Miller , J. Rafelski

A detailed investigation of the electronic - and magneto - transport properties of Nd0.8Sr0.2MnO3 with the variation of grain size (down to 42 nm) is presented here. Interestingly, we observe that the ferromagnetic insulating state is…

Materials Science · Physics 2010-08-11 S. Kundu , T. K. Nath

We have investigated the effect of site dilution with substitution of nonmagnetic element in SrRu$_{1-x}$Ti$_x$O$_3$ ($x$ $\leq$ 0.7). The nature of ferromagnetic state in SrRuO$_3$ is believed to be of itinerant type with transition…

Strongly Correlated Electrons · Physics 2017-02-06 Renu Gupta , A K Pramanik

RhGe synthesized at high pressure is crystallized in noncentrosymmetric cubic structure of the B20 type. Measurements of the electrical resistivity and magnetization demonstrate a superconducting state below T$_c$ ~ 4.5 K and a weak…

The macroscopic magnetizations of Ru_1-xCu_xSr_2EuCu_2O_8+d with x between 0 and 0.15 were investigated. A ferromagnet-like transition as well as an antiferromagnet-like transition appear around T_M in the low-field magnetization and around…

Superconductivity · Physics 2009-11-10 Y. Y. Xue , F. Chen , J. Cmaidalka , R. L. Meng , C. W. Chu

Narrow-gap higher mobility semiconducting alloys In_{1-x}Mn_{x}Sb were synthesized in polycrystalline form and their magnetic and transport properties have been investigated. Ferromagnetic response in In_{0.98}Mn_{0.02}Sb was detected by…

Strongly Correlated Electrons · Physics 2015-05-14 V. N. Krivoruchko , V. Yu. Tarenkov , D. V. Varyukhin , A. I. D'yachenko , O. N. Pashkova , V. A. Ivanov

In order to study the magnetic and crystal structures in the Nd{1-x}Sr{x}MnO{3} system, we have peformed neutron diffraction measurements on melt-grown polycrystalline samples with 0.49 < x < 0.75. As a function of hole concentration x, the…

Strongly Correlated Electrons · Physics 2009-10-31 R. Kajimoto , H. Yoshizawa , H. Kawano , H. Kuwahara , Y. Tokura , K. Ohoyama , M. Ohashi