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Related papers: Ising-type Magnetic Anisotropy in CePd$_2$As$_2$

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Sizable single crystals of $BaFe_2As_2$ have been grown with self-flux method. The crystals are plate-like with c-axis perpendicular to the plane. The size can be as large as 3 x 5 x 0.2 $mm^3$. The resistivity anisotropy…

Superconductivity · Physics 2009-11-13 X. F. Wang , T. Wu , G. Wu , H. Chen , Y. L. Xie , J. J. Ying , Y. J. Yan , R. H. Liu , X. H. Chen

We report on transport and magnetic measurements between 1.8 and 400 K on single crystalline YbNi4P2, which was recently reported to be a heavy fermion system with a low lying ferromagnetic transition at T_C=0.17 K, based on data from…

Strongly Correlated Electrons · Physics 2012-12-19 Cornelius Krellner , Christoph Geibel

We report anisotropic dc magnetic susceptibility $\chi(T)$, electrical resistivity $\rho(T)$, and heat capacity $C(T)$ measurements on the single crystals of CaFe$_{2-x}$Co$_x$As$_2$ for $x$ = 0 and 0.06. Large sized single crystals were…

Superconductivity · Physics 2009-11-13 Neeraj Kumar , R. Nagalakshmi , R. Kulkarni , P. L. Paulose , A. K. Nigam , S. K. Dhar , A. Thamizhavel

Single crystals of ${\rm Ce_2Re_3Si_5}$ and ${\rm Pr_2Re_3Si_5}$ have been grown by Czochralski method in a tetra-arc furnace. Powder x-ray diffraction confirmed that these compounds crystallize in the ${\rm U_2Mn_3Si_5}$-type tetragonal…

Strongly Correlated Electrons · Physics 2023-11-21 Suman Sanki , Vikash Sharma , Souvik Sasmal , Vikas Saini , Gaurav dwari , Bishal Baran Maity , Ruta Kulkarni , A. Thamizhavel

Intrinsic, two-dimensional (2D) ferromagnetic semiconductors are an important class of materials for spintronics applications. Cr$_2$X$_2$Te$_6$ (X = Si and Ge) semiconductors show 2D Ising-like ferromagnetism, which is preserved in…

Strongly Correlated Electrons · Physics 2019-01-10 Yu Liu , C. Petrovic

We report dc magnetic measurements on YbCu$_2$Si$_2$ at pressures above 10 GPa using a miniature ceramic anvil cell. YbCu$_2$Si$_2$ shows a pressure-induced transition from the non-magnetic to a magnetic phase at 8 GPa. We find a…

Strongly Correlated Electrons · Physics 2014-03-05 Naoyuki Tateiwa , Tatsuma D. Matsuda , Yoshinori Haga , Zachary Fisk

Intrinsic, in-plane anisotropy of electrical resistivity was studied on mechanically detwinned single crystals of SrFe$_2$As$_2$ above and below the temperature of the coupled structural/magnetic transition, $T_{\textrm{TO}}$. Resistivity…

We report the crystal growth and structural, magnetic, conductivity, and specific heat investigations of Rb(1-x)Fe(2-y)Se2 single crystals with varying stoichiometry prepared by self-flux and Bridgman methods. The system exhibits a strongly…

Superconductivity · Physics 2011-11-01 V. Tsurkan , J. Deisenhofer , A. Günther , H. -A. Krug von Nidda , S. Widmann , A. Loidl

Single crystals of CeFeAsO, large enough to study the anisotropy of the magnetic properties, were grown by an optimized Sn-flux technique. The high quality of our single crystals is apparent from the highest residual resistivity ratio, RRR…

Superconductivity · Physics 2009-10-30 A. Jesche , C. Krellner , M. de Souza , M. Lang , C. Geibel

We report on the observation of superconductivity in LaRh$_2$As$_2$, which is the analogue without $f$-electrons of the heavy-fermion system with two superconducting phases CeRh$_2$As$_2$. A zero-resistivity transition, a specific-heat jump…

We present a minimal model that provides a description of the magnetic and thermodynamic properties of \Eu. The model contains two exchange coupling parameters, which are calculated using Density Functional Theory, and a local easy axis…

Other Condensed Matter · Physics 2021-12-22 D. J. Garcia , V. Vildosola , A. A. Aligia , D. G. Franco , Pablo S. Cornaglia

Ising-like spin-1/2 magnetic materials are of interest for their ready connection to theory, particularly in the context of quantum critical behavior. In this work we report detailed studies of the magnetic properties of a member of the…

Strongly Correlated Electrons · Physics 2021-09-01 Gavin Hester , T. N. DeLazzer , D. R. Yahne , C. L. Sarkis , H. D. Zhao , J. A. Rodriguez Rivera , S. Calder , K. A. Ross

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

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…

Strongly Correlated Electrons · Physics 2015-06-15 S. K. Niesen , G. Kolland , M. Seher , O. Breunig , M. Valldor , M. Braden , B. Grenier , T. Lorenz

We report a systematic investigation of anisotropic magnetocaloric effects in single crystal Cr$_2$Te$_3$. Single crystal samples are synthesized by chemical vapor transport and characterized by x-ray and Laue diffraction methods. The…

Materials Science · Physics 2023-12-05 Anirban Goswami , Nicholas Ng , AM Milinda Abeykoon , Emmanuel Yakubu , Samaresh Guchhait

Magnetocrystalline anisotropy is a fundamental property of magnetic materials that determines the dynamics of magnetic precession, the frequency of spin waves, the thermal stability of magnetic domains, and the efficiency of spintronic…

Considering certain interesting features in the previously reported 166Er Moessbauer effect and neutron diffraction data on the polycrystalline form of ErPd2Si2 crystallizing in ThCr2Si2-type tetragonal structure, we have carried out…

Strongly Correlated Electrons · Physics 2009-11-13 E. V. Sampathkumaran , Niharika Mohapatra , Kartik K Iyer , C. D. Cao , W. Loeser , G. Behr

We present a detailed study of the electrical transport properties of a recently discovered iron-based superconductor: Sm$_4$Fe$_2$As$_2$Te$_{0.72}$O$_{2.8}$F$_{1.2}$. We followed the temperature dependence of the upper critical field by…

Superconductivity · Physics 2016-12-20 A Pisoni , S Katrych , P Szirmai , B Náfrádi , R Gaál , J Karpinski , L Forró

We report the measurements of anisotropic magnetization and magnetoresistance on single crystals of EuFe$_2$As$_2$, a parent compound of ferro-arsenide high-temperature superconductor. Apart from the antiferromagnetic (AFM)…

Superconductivity · Physics 2009-11-13 Shuai Jiang , Yongkang Luo , Zhi Ren , Zengwei Zhu , Cao Wang , Xiangfan Xu , Qian Tao , Guanghan Cao , Zhu'an Xu

We present magnetic and transport properties of PrRh$_{2}$Si$_{2}$ single crystals which exhibit antiferromagnetic order below T$_{N}$ = 68 K. Well defined anomalies due to magnetic phase transition are observed in magnetic susceptibility,…

Strongly Correlated Electrons · Physics 2009-08-28 V K Anand , Z Hossain , G Behr , G Chen , M Nicklas , C Geibel