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Single crystals of EuPtSi$_3$, which crystallize in the BaNiSn$_3$-type crystal structure, have been grown by high temperature solution growth method using molten Sn as the solvent. EuPtSi$_3$ which lacks the inversion symmetry and has only…

Strongly Correlated Electrons · Physics 2011-12-22 Neeraj Kumar , S. K. Dhar , P. Manfrinetti , P. Bonville , A. Thamizhavel

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

CaCo2As2 is a unique itinerant system having strong magnetic frustration. Here we report the effect of electron doping on the physical properties resulting from Ni substitutions for Co. The A-type antiferromagnetic transition temperature TN…

Strongly Correlated Electrons · Physics 2021-09-22 Santanu Pakhira , Y. Lee , Liqin Ke , V. Smetana , A. -V. Mudring , Thomas Heitmann , David Vaknin , D. C. Johnston

Growth of BaMn2As2 crystals using both MnAs and Sn fluxes is reported. Room temperature crystallography, anisotropic isothermal magnetization M versus field H and magnetic susceptibility chi versus temperature T, electrical resistivity in…

Superconductivity · Physics 2010-11-12 Yogesh Singh , A. Ellern , D. C. Johnston

The trigonal structure of EuMn$_{2}$As$_{2}$ is an anomaly in the tetragonal 122-type pnictide family. We report detailed investigation of the underlying magnetic correlations in single crystal EuMn$_{2}$As$_{2}$ using high resolution…

Strongly Correlated Electrons · Physics 2019-03-06 A. Dahal , Yiyao Chen , T. Heitmann , A. Thamizhavel , S. K. Dhar , D. K. Singh

Magnetic topological semimetals provide a fertile ground for exploring how long-range magnetic order can alter electronic band structures and generate novel quasiparticles such as Weyl fermions. Here, we investigate the coupled magnetic and…

Single-crystalline UAu$_2$Si$_2$ has been grown by a floating-zone melting method, and its magnetic, thermal and transport properties have been investigated through measurements of magnetization, specific heat and electrical resistivity to…

Here, we present a combination of magnetization and magnetic torque experiments to investigate the magnetic orders in undoped EuFe2As2 and Co doped EuFe1.8Co0.2As2 single crystals. Although at low temperatures typical results for an…

Superconductivity · Physics 2015-05-28 Z. Guguchia , S. Bosma , S. Weyeneth , A. Shengelaya , R. Puzniak , Z. Bukowski , J. Karpinski , H. Keller

We present the magnetic behavior and resulting transport properties of TaSe$_2$ when intercalated by magnetically active cobalt cations. Acting as the layered host, TaSe$_2$ is a transition metal dichalcogenide (TMD) that adopts the…

We studied the temperature-pressure phase diagram of EuFe2As2 by measurements of the electrical resistivity. The antiferromagnetic spin-density-wave transition at T_0 associated with the FeAs-layers is continuously suppressed with…

Superconductivity · Physics 2009-06-20 C. F. Miclea , M. Nicklas , H. S. Jeevan , D. Kasinathan , Z. Hossain , H. Rosner , P. Gegenwart , C. Geibel , F. Steglich

Neutron and x-ray diffraction measurements are presented for powders and single crystals of CaCo{1.86}As2. The crystal structure is a collapsed-tetragonal ThCr2Si2-type structure as previously reported, but with 7(1)% vacancies on the Co…

We have grown single crystals of EuFe2As2 and investigated its electrical transport and thermodynamic properties. Electrical resistivity and specific heat measurements clearly establish the intrinsic nature of magnetic phase transitions at…

Superconductivity · Physics 2009-11-13 H. S. Jeevan , Z. Hossain , Deepa Kasinathan , H. Rosner , C. Geibel , P. Gegenwart

EuCd2As2 materials have two magnetic ordering states: antiferromagnetic (AFM) and ferromagnetic (FM) when their chemical tunability is utilized. While AFM-EuCd2As2 has a nonzero magnetoelectric response due to its symmetry breaking with…

Susceptibility, specific heat, and muon spin rotation measurements on high-quality single crystals of $\rm Na_{0.82}CoO_2$ have revealed bulk antiferromagnetism with N\'{e}el temperature $\rm T_N = 19.8 \pm 0.1$ K and an ordered moment…

Strongly Correlated Electrons · Physics 2009-11-10 S. Bayrakci , C. Bernhard , D. P. Chen , B. Keimer , R. K. Kremer , P. Lemmens , C. T. Lin , C. Niedermayer , J. Strempfer

We use high-resolution angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations to study the electronic and magnetic properties of La2Ni7, an itinerant magnetic system with a series of three…

Strongly Correlated Electrons · Physics 2023-04-19 Kyungchan Lee , Na Hyun Jo , Lin-Lin Wang , R. A. Ribeiro , Yevhen Kushnirenko , Ben Schrunk , Paul C. Canfield , Adam Kaminski

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

EuAl$_4$ is proposed to host a topological Hall state. This material also undergoes four consecutive antiferromagnetic (AFM) transitions upon cooling below TN1 = 15.4 K in the presence of charge density wave (CDW) order that sets in below…

Eu$_5$In$_2$Sb$_6$ is an orthorhombic non-symmorphic small band gap semiconductor with three distinct Eu$^{2+}$ sites and two low-temperature magnetic phase transitions. The material displays one of the greatest (negative)…

We report the electronic and magnetic properties of stoichiometric CeAuBi$_{2}$ single crystals. At ambient pressure, CeAuBi$_{2}$ orders antiferromagnetically below a N\'{e}el temperature ($T_{N}$) of 19 K. Neutron diffraction experiments…

Magnetic topological insulators exhibit unique electronic states due to the interplay between the electronic topology and the spin structure. The antiferromagnetic metal $\rm{EuIn_2As_2}$ is a prominent candidate material in which exotic…

Strongly Correlated Electrons · Physics 2024-09-23 Hikaru Takeda , Jian Yan , Zhongzhu Jiang , Xuan Luo , Yuping Sun , Minoru Yamashita
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