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Related papers: Anisotropic super-paramagnetism in cobalt implante…

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We report the magnetism and transport measurements of CaCo$_2$As$_2$ and Ca$_{0.9}$Sr$_{0.1}$Co$_2$As$_2$ single crystals. Antiferromagnetic transition was observed at about 70 K and 90 K for CaCo$_2$As$_2$ and…

Strongly Correlated Electrons · Physics 2012-06-15 J. J. Ying , Y. J. Yan , A. F. Wang , Z. J. Xiang , P. Cheng , G. J. Ye , X. H. Chen

Single crystals of HoIr$_2$Si$_2$ with the body-centered ThCr$_2$Si$_2$-type structure ($I4/mmm$) were grown by Bridgman method from indium flux. Single crystal structure determination yielded a Si-z position of 0.378(1) in the structure.…

Strongly Correlated Electrons · Physics 2018-07-11 Kristin Kliemt , Michael Bolte , Cornelius Krellner

We successfully grew the high-quality single crystals of $A_{x}$Fe$_2$Se$_2$ ($A$ = K and Cs) by self-flux method. Sharp superconducting transition was observed for both types of crystals. The crystals show the onset superconducting…

Superconductivity · Physics 2011-07-07 J. J. Ying , X. F. Wang , X. G. Luo , A. F. Wang , M. Zhang , Y. J. Yan , Z. J. Xiang , R. H. Liu , P. Cheng , G. J. Ye , X. H. Chen

Rare earth based cobalt-ruthenium double perovskites A$_2$CoRuO$_6$ (A = La, Pr, Nd and Sm) were synthesized and investigated for their structural and magnetic properties. All the compounds crystallize in the monoclinic $P2_1/n$ structure…

Materials Science · Physics 2019-07-24 Manjil Das , Prabir Dutta , Saurav Giri , Subham Majumdar

The isothermal magnetoresistance (MR) with magnetic field (H) parallel to and perpendicular to ab plane is systematically studied on the single crystal Na$_{0.52}$CoO$_2$ with charge ordering at $\sim 50$ K and an in-plane ferromagnetism…

Strongly Correlated Electrons · Physics 2009-11-13 T. Wu , D. F. Fang , G. Y. Wang , L. Zhao , G. Wu , X. G. Luo , C. H. Wang , X. H. Chen

We report temperature dependent ac susceptibility ($\chi$) measurements on a high quality single crystal of Tb$_2$PdSi$_3$, crystallizing in a AlB$_2$-derived hexagonal structure. This compound is found to exhibit features attributable to…

Strongly Correlated Electrons · Physics 2007-05-23 P. L. Paulose , E. V. Sampathkumaran , H. Bitterlich , G. Behr , W. Loser

The dynamic magnetic properties of Ni nanoparticles diluted in an amorphous SiO2 matrix prepared from a modified sol-gel method have been studied by the frequency f dependence of the ac magnetic susceptibility \c{hi}(T). For samples with…

Materials Science · Physics 2011-03-22 G. F. Goya , F. C. Fonseca , R. F. Jardim , R. Muccillo , N. L. V. Carreño , E. Longo , E. R. Leite

In this paper, the magnetic and transport properties were systematically studied for EuAg$_4$As$_2$ single crystals, crystallizing in a centrosymmetric trigonal CaCu$_4$P$_2$ type structure. It was confirmed that two magnetic transitions…

Materials Science · Physics 2022-06-24 Qinqing Zhu , Liang Li , Zhihua Yang , Zhefeng Lou , Jianhua Du , Jinhu Yang , Bin Chen , Hangdong Wang , Minghu Fang

CoFe2O4 nanoparticles were synthesized using gelatin as a polymerizing agent. Structural, morphological and magnetic properties of samples treated at different temperatures were investigated by X-ray diffraction, scanning electron…

Materials Science · Physics 2015-06-02 A. C. Lima , M. A. Morales , J. H. Araujo , J. M. Soares , D. M. A. Melo , A. S. Carrico

Metamagnetic transitions in single-crystal rare-earth nickel borocarbide HoNi$_2$B$_2$C have been studied at T\approx 1.9 K with a Quantum Design torque magnetometer. This compound is highly anisotropic with a variety of metamagnetic states…

Strongly Correlated Electrons · Physics 2011-11-10 K. D. D. Rathnayaka , B. I. Belevtsev , D. G. Naugle

The existence of semiconductors exhibiting long-range ferromagnetic ordering at room temperature still is controversial. One particularly important issue is the presence of secondary magnetic phases such as clusters, segregations, etc...…

Anisotropic magneto-transport measurements are reported on Fe1/4TaS2 single crystals grown by vapor transport. Both the magnetization and resistivity are extremely anisotropic, with the magnetic moments aligned parallel to the c…

Strongly Correlated Electrons · Physics 2007-05-23 E. Morosan , H. W. Zandbergen , Lu Li , Minhyea Lee , J. G. Checkelsky , M. Heinrich , T. Siegrist , N. P. Ong , R. J. Cava

We report magnetotransport measurements on high purity sintered samples of spintronic CrO2 in an unexplored crystallographic regime between 5-300 K. The negative magnetoresistance (MR) as derived from RH isotherms is observed to be…

Materials Science · Physics 2007-05-23 A. Bajpai , A. K. Nigam

In half-doped Pr0.50A0.50CoO3 metallic perovskites, the spin-lattice coupling brings about distinct magnetostructural transitions for A=Ca and A=Sr at temperatures close to 100 K. However, the ground magnetic properties of Pr0.50Sr0.50CoO3…

We have investigated the upper critical field anisotropy and magnetotransport properties of Fe1.14(1)Te0.91(2)S0.09(2) single crystals in stable magnetic fields up to 35 T. The results show that u0Hc2(T) along the c axis and in the ab-plane…

Superconductivity · Physics 2010-05-21 Hechang Lei , Rongwei Hu , E. S. Choi , J. B. Warren , C. Petrovic

We report on a 59Co NMR investigation of the trigonal cobaltate Ca3Co2O6 carried out on a single crystal, providing precise determinations of the electric field gradient and chemical shift tensors, and of the internal magnetic fields at the…

Strongly Correlated Electrons · Physics 2015-05-20 G. Allodi , R. De Renzi , S. Agrestini , C. Mazzoli , M. R. Lees

We report a study of magnetic susceptibility and electrical resistivity as a function of temperature and magnetic field in superconducting crystals of La$_{2-x}$Ca$_{1+x}$Cu$_{2}$O$_{6}$ with $x=0.10$ and 0.15 and transition temperature…

Superconductivity · Physics 2018-04-26 Ruidan Zhong , J. A. Schneeloch , Hang Chi , Qiang Li , Genda Gu , J. M. Tranquada

Ferromagnetic compound PrRu2Si2 exhibits a giant magnetocrystalline anisotropy of about 400 T. Its ordered moment below Tc=14K reaches 2.7 mB and is parallel to [0 0 1] crystalline direction. We have attributed the magnetism of PrRu2S2 to…

Strongly Correlated Electrons · Physics 2009-10-31 R. Michalski , Z. Ropka , R. J. Radwanski

We investigated the anisotropic magnetic properties of CePd$_2$As$_2$ by magnetic, thermal and electrical transport studies. X-ray diffraction confirmed the tetragonal ThCr$_2$Si$_2$-type structure and the high-quality of the single…

Strongly Correlated Electrons · Physics 2017-08-09 M. O. Ajeesh , T. Shang , W. B. Jiang , W. Xie , R. D. dos Reis , M. Smidman , C. Geibel , H. Q. Yuan , M. Nicklas

We report magnetization and specific heat measurements in the 2D frustrated spin-1/2 Heisenberg antiferromagnet Cs2CuCl4 at temperatures down to 0.05 K and high magnetic fields up to 11.5 T applied along a, b and c-axes. The low-field…

Strongly Correlated Electrons · Physics 2013-06-25 Y. Tokiwa , T. Radu , R. Coldea , H. Wilhelm , Z. Tylczynski , F. Steglich
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