English
Related papers

Related papers: Yb4LiGe4 - A Yb Mixed Valent Zintl Phase with Stro…

200 papers

YbCo$_2$Ge$_4$ is a clean paramagnetic Kondo lattice which displays non-Fermi liquid behavior. We report a detailed investigation of the specific heat, magnetic Gr\"uneisen parameter ($\Gamma_{\rm mag}$) and temperature derivative of the…

Strongly Correlated Electrons · Physics 2016-07-12 A. Sakai , K. Kitagawa , K. Matsubayashi , M. Iwatani , P. Gegenwart

The magnetic ordering of the hexagonal multiferroic compound YbMnO$_3$ has been studied between 100 K and 1.5 K by combining neutron powder diffraction, $^{170}$Yb M\"ossbauer spectroscopy and magnetization measurements. The Yb moments of…

Strongly Correlated Electrons · Physics 2008-09-30 X. Fabrèges , I. Mirebeau , P. Bonville , S. Petit , G. Lebras-Jasmin , A. Forget , G. André , S. Pailhès

Magnetic and crystallographic properties of the mineral langite Cu$_4$(OH)$_6$SO$_4\cdot 2$H$_2$O are reported. Its layered crystal structure features a peculiar spatial arrangement of spin-$\frac12$ Cu$^{2+}$ ions that arises from a…

Strongly Correlated Electrons · Physics 2017-02-10 Stefan Lebernegg , Alexander A. Tsirlin , Oleg Janson , Günther J. Redhammer , Helge Rosner

The puzzling properties of the first order phase transition in YbInCu$_4$ and its alloys in the wide range of magnetic fields and temperatures are perfectly described in terms of a simple entropy transition for free Yb ions. In particular,…

Strongly Correlated Electrons · Physics 2009-10-31 M. O. Dzero , L. P. Gor'kov , A. K. Zvezdin

While most of the rare earth metals readily form trihydrides, due to increased stability of the filled 4f electronic shell for Yb(II), only YbH$_{2.67}$, formally corresponding to Yb$^{\rm II}$(Yb$^{\rm III}$H$_4$)$_2$ or Yb$_3$H$_8$,…

We report magnetic behavior of two intermetallics-based kagome lattices, Tb3Ru4Al12 and Er3Ru4Al12, crystallizing in the Gd3Ru4Al12-type hexagonal crystal structure, by measurements in the range 1.8-300 K with bulk experimental techniques…

Strongly Correlated Electrons · Physics 2017-08-02 Sanjay Kumar Upadhyay , Kartik K Iyer , E. V. Sampathkumaran

Structural and magnetic properties of the geometrically frustrated layered compound YBaCo4O7 have been studied by magnetization and neutron diffraction. A layered type crystal structure, with alternating tetrahedral layers of Kagom\'e and…

Strongly Correlated Electrons · Physics 2015-02-13 A. K. Bera , S. M. Yusuf , S. Banerjee

Ferroquadrupole order associated with local $4f$ atomic orbitals of rare earth ions is a realization of electronic nematic order. However, there are relatively few examples of intermetallic materials which exhibit continuous ferroquadrupole…

Strongly Correlated Electrons · Physics 2018-11-06 Elliott Rosenberg , Jiun-Haw Chu , Jacob Ruff , Alexander Hristov , Ian Fisher

The structural and magnetic properties of YVO3, NdVO3 and TbVO3 were investigated by single-crystal and powder neutron diffraction. YVO3 shows a structural phase transition at 200 K from an orthorhombic structure with the space group Pbnm…

Strongly Correlated Electrons · Physics 2009-11-11 M. Reehuis , C. Ulrich , P. Pattison , B. Ouladdiaf , M. C. Rheinstadter , M. Ohl , L. P. Regnault , M. Miyasaka , Y. Tokura , B. Keimer

We have produced a quantum degenerate mixture of fermionic alkali 6Li and bosonic spin-singlet 174Yb gases. This was achieved using sympathetic cooling of lithium atoms by evaporatively cooled ytterbium atoms in a far-off-resonant optical…

A new ternary intermetallic compound, namely, YbMn2Sb2, has been synthesized and its magnetic and electrical transport properties have been studied in the temperature range of 2 to 300 K. This compound crystallizes in a trigonal, La2O2S…

Materials Science · Physics 2009-11-11 R. Nirmala , S. K. Malik , A. V. Morozkin , K. G. Suresh , H. -D. Kim , J. -Y. Kim , B. -G. Park , S. -J. Oh

The candidate magnetoelectric Pb3Mn7O15 has a structure consisting of 1/3 filled Kagome layers linked by ribbons of edge-sharing octahedra in the stacking direction. Previous reports have indicated a complex hexagonal-orthorhombic…

Strongly Correlated Electrons · Physics 2012-04-18 Simon A. J. Kimber

Heat capacity of polycrystalline R2Ti3Ge4 (R = Gd, Tb and Er) compounds (Orthorhombic, Sm5Ge4-type, Space group Pnma) has been studied in the temperature range of 1.8 K to 300 K in various applied magnetic fields. The compounds with…

Materials Science · Physics 2009-11-13 R. Nirmala , Darshan C. Kundaliya , A. V. Morozkin , S. K. Malik

We present a new Kondo-lattice system, YbNi4P2, which is a clean heavy-fermion metal with a severely reduced ferromagnetic ordering temperature at T_C=0.17K, evidenced by distinct anomalies in susceptibility, specific-heat, and resistivity…

Strongly Correlated Electrons · Physics 2011-10-14 C Krellner , S Lausberg , A Steppke , M Brando , L Pedrero , H Pfau , S Tencé , H Rosner , F Steglich , C Geibel

Filling the large voids in the crystal structure of the skutterudite CoSb$_3$ with rattler atoms $R$ provides an avenue for both increasing carrier concentration and disrupting lattice heat transport, leading to impressive thermoelectric…

Materials Science · Physics 2020-07-17 Eric B. Isaacs , Chris Wolverton

Single crystal x-ray diffraction, magnetic susceptibility, heat capacity, and electrical resistivity measurements are reported for the new tetragonal compound Ce$_{2}$PdGe$_{3}$, which forms in the space group $P4_{2}/mmc$ (\#131) $-$ a…

Strongly Correlated Electrons · Physics 2015-06-22 R. E. Baumbach , A. Gallagher , T. Besara , J. Sun , T. Siegrist , D. J. Singh , J. D. Thompson , F. Ronning , E. D. Bauer

The solid solution Ga1-xGexV4S8 (x = 0 - 1) was synthesized by solid state reactions and characterized by temperature-dependent x-ray powder diffraction and static magnetic susceptibility measurements. The compounds crystallize in the cubic…

Strongly Correlated Electrons · Physics 2009-06-09 Daniel Bichler , Herta Slavik , Dirk Johrendt

The low and high-temperature phases of V$_4$O$_7$ have been studied by \textit{ab initio} calculations. At high temperature, all V atoms are electronically equivalent and the material is metallic. Charge and orbital ordering, associated…

Strongly Correlated Electrons · Physics 2011-12-06 A. S. Botana , V. Pardo , D. Baldomir , A. V. Ushakov , D. I. Khomskii

We present dielectric, polarization, resistivity, specific heat, and magnetic susceptibility data on single crystals of the lacunar spinels GaNb4Se8 and GaTa4Se8, tetrahedral cluster-based materials with substantial spin-orbit coupling. We…

Strongly Correlated Electrons · Physics 2022-12-19 M. Winkler , L. Prodan , V. Tsurkan , P. Lunkenheimer , I. Kézsmárki

We have synthesized YbPdAs with the hexagonal ZrNiAl-type structure, in which the Yb-atoms form a distorted kagome sublattice in the hexagonal basal plane. Magnetic, transport, and thermodynamic measurements indicate that YbPdAs is a…

Strongly Correlated Electrons · Physics 2022-09-05 W. Xie , F. Du , X. Y. Zheng , H. Su , Z. Y. Nie , B. Q. Liu , Y. H. Xia , T. Shang , C. Cao , M. Smidman , T. Takabatake , H. Q. Yuan