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Antiferromagnetic intermetallic compound EuRhGe3 crystalizes in a non-centrosymmetric BaNiSn3-type (I4mm) structure. We studied its pressure-dependent crystal structure by using synchrotron powder x-ray diffraction at room temperature. Our…

Non-centrosymmetric EuTGe3 (T=Co, Ni, Rh, and Ir) possesses magnetic Eu2+ ions and antiferromagnetic ordering appears at low temperatures. Transition metal substitution leads to changes of the unit cell volume and of the magnetic ordering.…

Single crystals of EuNiGe$_3$ crystallizing in the non-centrosymmetric BaNiSn$_3$-type structure have been grown using In flux, enabling us to explore the anisotropic magnetic properties which was not possible with previously reported…

Strongly Correlated Electrons · Physics 2014-02-04 Arvind Maurya , P. Bonville , A. Thamizhavel , S. K. Dhar

X-ray diffraction experiments under pressure in a diamond anvil cell have been performed to gauge any response of the crystalline lattice of URu2Si2 to the "hidden order" or antiferromagnetic transitions, the latter of which is accessible…

Strongly Correlated Electrons · Physics 2010-09-29 J. R. Jeffries , N. P. Butch , J. J. Hamlin , S. V. Sinogeikin , W. J. Evans , M. B. Maple

A thorough study of EuZn$_2$P$_2$ single crystals, which were grown from Sn flux, was performed using both bulk (heat capacity, ac susceptibility, dc magnetization, electrical resistivitivity, magnetoresistance) and microscopic (M\"ossbauer…

Layered transition-metal trichalcogenides have become one of the research frontiers as two-dimensional magnets and candidate materials used for phase-change memory devices. Herein we report the high-pressure synchrotron X-ray diffraction…

Strongly Correlated Electrons · Physics 2019-06-03 Zhenhai Yu , Wei Xia , Kailang Xu , Ming Xu , Hongyuan Wang , Xia Wang , Na Yu , Zhiqiang Zou , Jinggeng Zhao , Lin Wang , Xiangshui Miao , Yanfeng Guo

By performing high-pressure single-crystal neutron diffraction measurements, the evolution of structure and magnetic ordering in EuFe2As2 under hydrostatic pressure were investigated. Both the tetragonal-toorthorhombic structural transition…

Superconductivity · Physics 2019-07-24 W. T. Jin , Y. Xiao , S. Nandi , S. Price , Y. Su , K. Schmalzl , W. Schmidt , T. Chatterji , A. Thamizhavel , Th. Brueckel

We report the first high pressure measurement of the Fe K-edge in hematite (Fe$_2$O$_3$) by X-ray absorption spectroscopy in partial fluorescence yield geometry. The pressure-induced evolution of the electronic structure as Fe$_2$O$_3$…

The pressure- and anion-dependent electronic structure of EuX (X=Te, Se, S, O) monochalcogenides is probed with element- and orbital-specific X-ray absorption spectroscopy in a diamond anvil cell. An isotropic lattice contraction enhances…

Materials Science · Physics 2009-11-13 Narcizo M. Souza-Neto , Daniel Haskel , Yuan-Chieh Tseng , Gerard Lapertot

The high-pressure structural behavior of europium orthovanadate has been studied using in-situ, synchrotron based, high-pressure x-ray powder diffraction technique. Angle-dispersive x-ray diffraction measurements were carried out at room…

Materials Science · Physics 2015-03-12 Alka B. Garg , D. Errandonea

The perovskite antiferromagnetic ($T_{\rm N}$ $\sim$ 220 K) insulator EuNiO$_3$ undergoes at ambient pressure a metal-to-insulator transition at $T_{\rm MI}$ = 460 K which is associated with a simultaneous orthorhombic-to-monoclinic…

The synthesis and crystallographic and physical properties of polycrystalline EuNiGe3 are reported. EuNiGe3 crystallizes in the noncentrosymmetric body-centered tetragonal BaNiSn3-type structure. The physical property data consistently…

Strongly Correlated Electrons · Physics 2013-06-26 R. J. Goetsch , V. K. Anand , D. C. Johnston

We have successfully synthesized single crystals of EuNi$_5$As$_3$ using a flux method and we present a comprehensive study of the physical properties using magnetic susceptibility, specific heat, electrical resistivity, thermoelectric…

Strongly Correlated Electrons · Physics 2017-01-20 W. B. Jiang , M. Smidman , W. Xie , J. Y. Liu , J. M. Lee , J. M. Chen , S. C. Ho , H. Ishii , K. D. Tsuei , C. Y. Guo , Y. J. Zhang , Hanoh Lee , H. Q. Yuan

Ru$_3$Sn$_7$, an intermetallic compound with advanced catalytic properties, exhibits a complex crystal structure and intriguing electronic properties, making it an attractive candidate for investigations under high-pressure (HP). The…

Materials Science · Physics 2025-05-07 K. A. Irshad , P. Anees , Hrudananda Jena , Boby Joseph

We report the magnetic properties of two Eu based compounds, single crystalline EuIrGe$_3$ and EuRhGe$_3$, inferred from magnetisation, electrical transport, heat capacity and $^{151}$Eu M\"{o}ssbauer spectroscopy. These previously known…

Strongly Correlated Electrons · Physics 2015-12-09 Arvind Maurya , P. Bonville , R. Kulkarni , A. Thamizhavel , S. K. Dhar

The investigation of crystallographic, electronic, and magnetic characteristics, especially the mixed valences of Eu$^{2+}$ and Eu$^{3+}$ under pressure of a novel europium-based bismuth selenide compound, Eu$_4$Bi$_6$Se$_{13}$, presented.…

The optical-absorption edge of single crystals of CaWO4, SrWO4, BaWO4, and PbWO4 has been measured under high pressure up to ~20 GPa at room temperature. From the measurements we have obtained the evolution of the band-gap energy with…

We have conducted a detailed high-pressure (HP) investigation on $Eu-$doped $BaTiO_3$ using angle-resolved x-ray diffraction, Raman spectroscopy, dielectric permittivity and dc resistance measurements. The x-ray diffraction data analysis…

Materials Science · Physics 2023-04-04 Mrinmay Sahu , Bishnupada Ghosh , Bobby Joseph , Goutam Dev Mukherjee

The effects of hydrostatic pressure on the static magnetism in Eu(Fe$_{0.925}$Co$_{0.075}$)$_{2}$As$_{2}$ are investigated by complementary electrical resistivity, ac magnetic susceptibility and single-crystal neutron diffraction…

Strongly Correlated Electrons · Physics 2017-06-23 W. T. Jin , J. -P. Sun , G. Z. Ye , Y. Xiao , Y. Su , K. Schmalzl , S. Nandi , Z. Bukowski , Z. Guguchia , E. Feng , Z. Fu , J. -G. Cheng

The layered antiferromagnet FePS$_3$ has been shown to undergo a structural transition under pressure linked to an insulator-metal transition, with two incompatible models previously proposed for the highest-pressure structure. We present a…

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