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Related papers: Magnetic behavior of nanocrystalline ErCo2

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Ternary iron phosphide EuFe$_2$P$_2$ with ThCr$_2$Si$_2$-type structure has been systematically studied by the measurements of crystal structure, magnetization, M\"{o}ssbauer effect, transport properties and specific heat. The structural…

Strongly Correlated Electrons · Physics 2010-09-28 Chunmu Feng , Zhi Ren , Shenggao Xu , Zhu'an Xu , Guanghan Cao , I. Nowik , I. Felner , Kazuyuki Matsubayashi , Yoshiya Uwatoko

We synthesized pure and Co-doped (6.25 12.5 at.) ZrO$_2$ nanopowders in order to study their magnetic properties.We analyzed magnetic behavior as a function of the amount of Co and the oxygenation, which was controlled by low pressure…

We report the magnetization, specific heat and transport measurements of high quality Na$_{0.85}$CoO$_2$ single crystals in applied magnetic fields up to 14T. In high temperatures, the system is in a paramagnetic phase. It undergoes a…

Superconductivity · Physics 2009-11-10 J. L. Luo , N. L. Wang , G. T. Liu , D. Wu , X. N. Jing , F. Hu , T. Xiang

Synchrotron X-ray diffraction patterns were measured and analyzed for a polycrystalline sample of the room-temperature ferromagnet Sr3.12Er0.88Co4O10.5 from 300 to 650 K, from which two structural phase transitions were found to occur…

Strongly Correlated Electrons · Physics 2009-11-13 Shintaro Ishiwata , Wataru Kobayashi , Ichiro Terasaki , Kenichi Kato , Masaki Takata

Magnetic nanoparticles are important building blocks for future technologies ranging from nano-medicine to spintronics. Many related applications require nanoparticles with tailored magnetic properties. However, despite significant efforts…

EuRhAl4Si2, crystallizes in tetragonal crystal structure and orders antiferromagnetically at ~12 K. The isothermal magnetization along the two principle directions is highly anisotropic despite Eu2+ being an S-state ion. The variation of…

Strongly Correlated Electrons · Physics 2017-05-18 Arvind Maurya , A. Thamizhavel , P. Bonville , S. K. Dhar

Ferromagnetic Kondo lattice compounds are far less common than their antiferromagnetic analogs. In this work, we report the discovery of a new ferromagnetic Kondo lattice compound, YbIr3Ge7. Like almost all ferromagnetic Kondo lattice…

Strongly Correlated Electrons · Physics 2019-03-27 Binod K. Rai , Macy Stavinoha , J. Banda , D. Hafner , Katherine A. Benavides , D. A. Sokolov , Julia Chan , M. Brando , C. -L. Huang , E. Morosan

Anisotropic magnetic properties of a layered kagome-like system Cu3Bi(SeO3)2O2Br have been studied by bulk magnetization and magnetic susceptibility measurements as well as powder and single-crystal neutron diffraction. At T_N = 27.4 K the…

Strongly Correlated Electrons · Physics 2012-10-16 M. Pregelj , O. Zaharko , A. Günther , A. Loidl , V. Tsurkan , S. Guerrero

Most previous investigations have shown that the surface of a ferromagnetic material may have antiferromagnetic tendencies. However, experimentally the opposite effect has been recently observed: ferromagnetism appears in some nano-sized…

Strongly Correlated Electrons · Physics 2008-08-17 Shuai Dong , Rong Yu , Seiji Yunoki , J. -M. Liu , Elbio Dagotto

Investigation of the oxygen-deficient 112-type ordered oxides of the type LnBaCoMnO5+\delta (Ln = Nd, Eu) evidences certain unusual magnetic behavior at low temperatures, compared to the LnBaCo2O5+\delta cobaltites. One observes that the…

Materials Science · Physics 2015-05-18 Asish K. Kundu , V. Pralong , B. Raveau , V. Caignaert

We have studied the magnetization process of the new insulating ferromagnetic semiconductor (Al,Fe)Sb by means of x-ray magnetic circular dichroism. For an optimally doped sample with 10% Fe, a magnetization was found to rapidly increase at…

The magnetism in Mn$_3$Si$_2$Te$_6$ has been investigated using thermodynamic measurements, first principles calculations, neutron diffraction and diffuse neutron scattering on single crystals. These data confirm that Mn$_3$Si$_2$Te$_6$ is…

LiSr$_2$[CoN$_2$] single crystals were successfully grown out of Li-rich flux. Temperature- and field-dependent measurements of the magnetization in the range of $T = 2 - 300$ K and up to $\mu_{0}\textit{H} = 7$ T as well as measurements of…

Materials Science · Physics 2019-05-15 T. J. Ballé , Z. Zangeneh , L. Hozoi , A. Jesche , P. Höhn

The resistivity in the ferromagnetic state of flux-grown La_{2/3}(Pb,Ca)_{1/3}MnO_3 single crystals, measured in magnetic fields up to 7 T, reveals a strong quadratic temperature dependence at and above 50 K. At lower temperatures, this…

Strongly Correlated Electrons · Physics 2009-10-30 M. Jaime , P. Lin , M. B Salamon , P. Han

Investigations into the magnetic properties of sputtered Mn$_{x}$CoGe films in the range $0.8 \leq x \leq 2.5$ uncovered ferrimagnetic order, unlike the ferromagnetic order reported in bulk samples. These films formed hexagonal…

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

By pulsed-laser deposition epitaxial thin films of Sr_2FeMoO_6 have been pre- pared on (100) SrTiO_3 substrates. Already for a deposition temperature of 320 C epitaxial growth is achieved. Depending on deposition parameters the films show…

Materials Science · Physics 2009-10-31 W. Westerburg , D. Reisinger , G. Jakob

In this work we report a study of the magnetic behavior of ferrimagnetic oxide CoFe2O4 treated by mechanical milling with different grinding balls. The cobalt ferrite nanoparticles were prepared using a simple hydrothermal method and…

Materials Science · Physics 2013-01-10 A. S. Ponce , E. F. Chagas , R. J. Prado , C. H. M. Fernandes , A. J. Terezo , E. Baggio-Saitovitch

Single crystals of the new compound CeCu0.18Al0.24Si1.58 have been grown by high-temperature solution growth method using a eutectic Al-Si mixture as flux. This compound is derived from the binary CeSi2 (tetragonal ThSi2-type, Pearson…

Strongly Correlated Electrons · Physics 2017-01-04 A. Maurya , A. Thamizhavel , S. K. Dhar , A. Provino , M. Pani , G. A. Costa

The chiral helimagnet Cr1/3NbS2 has been investigated by magnetic, transport and thermal properties measurements on single crystals and by first principles electronic structure calculations. From the measured field and temperature…

Strongly Correlated Electrons · Physics 2015-03-25 N. J. Ghimire , M. A. McGuire , D. S. Parker , B. Sipos , S. Tang , J. -Q. Yan , B. C. Sales , D. Mandrus