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Related papers: Antiferromagnetism in EuCu2As2 and EuCu1.82Sb2 Sin…

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The Eu-based compound, EuCu2As2, crystallizing in the ThCr2Si2-type tetragonal structure, has been synthesized and its magnetic behavior has been investigated by magnetization (M), heat-capacity (C) and electrical resistivity (rho)…

Strongly Correlated Electrons · Physics 2009-11-11 Kausik Sengupta , P. L. Paulose , E. V. Sampathkumaran , Th. Doert , J. P. F. Jemetio

The compound EuCo{2-y}As2 with the tetragonal ThCr2Si2 structure is known to contain Eu{+2} ions with spin S = 7/2 that order below a temperature TN = 47 K into an antiferromagnetic (AFM) proper helical structure with the ordered moments…

Strongly Correlated Electrons · Physics 2018-04-25 N. S. Sangeetha , V. K. Anand , Eduardo Cuervo-Reyes , V. Smetana , A. -V. Mudring , D. C. Johnston

The Eu{+2} spins-7/2 in EuNi2As2 with the body-centered tetragonal ThCr2Si2 structure order antiferromagnetically below the Neel temperature TN =15 K into a helical antiferromagnetic (AFM) structure with the helix axis aligned along the…

Strongly Correlated Electrons · Physics 2019-10-02 N. S. Sangeetha , V. Smetana , A. -V. Mudring , D. C. JOhnston

The physical properties of self-flux grown EuPd2As2 single crystals have been investigated by magnetization M, magnetic susceptibility chi, specific heat Cp, and electrical resistivity rho measurements versus temperature T and magnetic…

Strongly Correlated Electrons · Physics 2014-06-23 V. K. Anand , D. C. Johnston

Eu-based Zintl-phase materials EuA$_2$Pn$_2$ (A = Mg, In, Cd, Zn; Pn = Bi, Sb, As, P) have generated significant recent interest owing to the complex interplay of magnetism and band topology. Here, we investigated the electronic, magnetic,…

Strongly Correlated Electrons · Physics 2022-07-27 Santanu Pakhira , Farhan Islam , Evan O'Leary , M. A. Tanatar , Thomas Heitmann , R. Prozorov , Adam Kaminski , David Vaknin , D. C. Johnston

Single crystals of EuPd2Sb2 have been grown from PdSb self-flux. The properties of the single crystals have been investigated by x-ray diffraction, magnetic susceptibility chi, magnetization M, electrical resistivity rho, Hall coefficient…

Superconductivity · Physics 2010-11-17 S. Das , K. McFadden , Yogesh Singh , R. Nath , A. Ellern , D. C. Johnston

Crystallographic, electronic transport, thermal and magnetic properties are reported for SrMn2As2 and CaMn2As2 single crystals grown using Sn flux. Rietveld refinements of powder x-ray diffraction data show that the two compounds are…

Strongly Correlated Electrons · Physics 2016-12-13 N. S. Sangeetha , Abhishek Pandey , Zackery A. Benson , D. C. Johnston

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

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 results of a thorough investigation of the physical properties of EuAg$_4$Sb$_2$ single crystals using magnetization, heat capacity, and electrical resistivity measurements. High-quality single crystals, which crystallize in…

Strongly Correlated Electrons · Physics 2024-10-29 Sudip Malick , Hanna Świątek , Joanna Bławat , John Singleton , Tomasz Klimczuk

Among various parent compounds of iron pnictide superconductors, EuFe2As2 stands out due to the presence of both spin density wave of Fe and antiferromagnetic ordering (AFM) of the localized Eu2+ moment. Single crystal neutron diffraction…

The magnetic and electronic properties of the layered Zintl-phase compound EuAl$_2$Ge$_2$ crystallizing in the trigonal CaAl$_2$Si$_2$-type structure are reported. Our neutron-diffraction measurements show that EuAl$_2$Ge$_2$ undergoes…

The magnetic structure of superconducting Eu(Fe0.82Co0.18)2As2 is unambiguously determined by single-crystal neutron diffraction. A long-range ferromagnetic order of the Eu2+ moments along the c-direction is revealed below the magnetic…

Superconductivity · Physics 2014-05-06 W. T. Jin , S. Nandi , Y. Xiao , Y. Su , O. Zaharko , Z. Guguchia , Z. Bukowski , S. Price , W. H. Jiao , G. H. Cao , Th. Brueckel

High-quality single crystals of EuAuAs were studied by means of powder x-ray diffraction, magnetization, magnetic susceptibility, heat capacity, electrical resistivity and magnetoresistance measurements. The compound crystallizes with a…

Strongly Correlated Electrons · Physics 2022-08-23 S. Malick , J. Singh , A. Laha , V. Kanchana , Z. Hossain , D. Kaczorowski

The trigonal compound EuSn2As2 was recently discovered to host Dirac surface states within the bulk band gap and orders antiferromagnetically below the Neel temperature TN = 24 K. Here the magnetic ground state of single-crystal EuSn2As2…

Strongly Correlated Electrons · Physics 2022-04-05 Santanu Pakhira , M. A. Tanatar , Thomas Heitmann , David Vaknin , D. C. Johnston

We report on the crystal structure, physical properties, and electronic structure calculations for the ternary pnictide compound EuCr2As2. X-ray diffraction studies confirmed that EuCr2As2 crystalizes in the ThCr2Si2-type tetragonal…

Superconductivity · Physics 2014-05-06 U. B. Paramanik , R. Prasad , C. Geibel , Z. Hossain

Crystals of SrMn2Sb2 and BaMn2Sb2 were grown using Sn flux and characterized by powder and single-crystal x-ray diffraction, respectively, and by single-crystal electrical resistivity rho, heat capacity Cp, and magnetic susceptibility chi…

Strongly Correlated Electrons · Physics 2018-01-10 N. S. Sangeetha , V. Smetana , A. -V. Mudring , D. C. Johnston

We have studied the magnetism in superconducting single crystals of EuFe2 As1.4 P0.6 by using the local probe techniques of zero-field muon spin rotation/relaxation and 151 Eu/57 Fe M\"ossbauer spec- troscopy. All of these measurements…

The trigonal compound EuMg2Bi2 has recently been discussed in terms of its topological band properties. These are intertwined with its magnetic properties. Here detailed studies of the magnetic, thermal, and electronic transport properties…

Strongly Correlated Electrons · Physics 2020-07-01 Santanu Pakhira , M. A. Tanatar , D. C. Johnston

The effects of Ni doping in Eu(Co{1-x}Ni{x})2As2 single crystals with x =0 to 1 grown out of self flux are investigated via crystallographic, electronic transport, magnetic, and thermal measurements. All compositions adopt the…

Strongly Correlated Electrons · Physics 2020-08-19 N. S. Sangeetha , Santanu Pakhira , D. H. Ryan , V. Smetana , A. -V. Mudring , D. C. Johnston
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