English
Related papers

Related papers: Unstable Shastry-Sutherland phase in Ce$_{2}$Pd$_{…

200 papers

We investigate the novel intermetallic ternary compounds \emph{R}Co$_{9}$Ge$_{4}$ with \emph{R} = La and Ce by means of $X$-ray diffraction, susceptibility and specific heat measurements. CeCo$_{9}$Ge$_{4}$ crystallizes in the space group…

Strongly Correlated Electrons · Physics 2010-03-23 C. Gold , L. Peyker , E. -W. Scheidt , H. Michor , W. Scherer

Manganese phosphide MnP has been investigated for decades because of its rich magnetic phase diagram. It is well known that the MnP exhibits the ferromagnetic phase transition at $\Tc=292$ K and the helical magnetic phase below $\TN=47$ K…

Strongly Correlated Electrons · Physics 2014-03-17 T Yamazaki , Y Tabata , T Waki , H Nakamura , M Matsuura , N Aso

We report low-temperature and high-pressure measurements of the electrical resistivity \rho(T) of the antiferromagnetic compound NiS_2 in its high-pressure metallic state. The form of \rho(T) suggests that metallic antiferromagnetism in…

Strongly Correlated Electrons · Physics 2015-06-25 P. G. Niklowitz , M. J. Steiner , G. G. Lonzarich , D. Braithwaite , G. Knebel , J. Flouquet , J. A. Wilson

Electrical resistivity and ac-susceptibility measurements under high pressure were carried out in high-quality single crystals of $\alpha$-Mn. The pressure-temperature phase diagram consists of an antiferromagnetic ordered phase (0<$P$<1.4…

Strongly Correlated Electrons · Physics 2020-09-30 Takaaki Sato , Kazuto Akiba , Shingo Araki , Tatsuo C. Kobayashi

The phase diagram of the filled skutterudite CeOs$_4$Sb$_{12}$ has been mapped in fields $H$ of up to 60 T and temperatures $T$ down to 0.5 K using resistivity, magnetostriction, and MHz conductivity. The valence transition separating the…

Strongly Correlated Electrons · Physics 2020-02-12 K. Götze , M. J. Pearce , P. A. Goddard , M. Jaime , M. B. Maple , K. Sasmal , T. Yanagisawa , A. McCollam , T. Khouri , P. -C. Ho , J. Singleton

Magnetic, linear thermal expansion (LTE), anisotropic ($\lambda_t$) and volume ($\omega $) magnetostriction properties of Pr$_{0.5}$Sr$_{0.5}$MnO$_3$ were investigated. The LTE decreases smoothly from 300 K without a clear anomaly either…

Materials Science · Physics 2016-08-31 R. Mahendiran , C. Marquina , M. R. Ibarra , A. Arulraj , C. N. R. Rao , A. Maignan , B. Raveau

We present evidence of 1D S=1/2 anisotropic XY ferromagnetism in the paramagnetic phase of the cyanido-bridged chain complex [Tb(pzam)3(H2O)M(CN)8]H2O, with M=W(V), based upon the measurement of the specific heat, the uniform susceptibility…

Strongly Correlated Electrons · Physics 2012-04-24 Edoardo Pasca , Tommaso Roscilde , Marco Evangelisti , Enrique Burzurì , Fernando Luis , L. J. de Jongh , Stefania Grecea

In contrast to the simultaneous structural and magnetic first order phase transition $T_{0}$ previously reported, our detailed investigation on an underdoped Ba$_{0.84}$K$_{0.16}$Fe$_{2}$As$_{2}$ single crystal unambiguously revealed that…

The out-of-plane resistivity ($\rho_c$) and magnetoresistivity (MR) are studied in antiferromangetic (AF) $Nd_{2-x}Ce_xCuO_{4}$ single crystals, which have three types of noncollinear antiferromangetic spin structures. The apparent…

Strongly Correlated Electrons · Physics 2007-05-23 X. H. Chen , C. H. Wang , G. Y. Wang , X. G. Luo , J. L. Luo , G. T. Liu , N. L. Wang

Neutron diffraction measurements of a high quality single crystal of CaFe2As2 are reported. A sharp transition was observed between the high temperature tetragonal and low temperature orthorhombic structures at TS = 172.5K (on cooling) and…

Considerable recent theoretical and experimental efforts have been devoted to the study of quantum criticality and novel phases of antiferromagnetic heavy-fermion metals. In particular, quantum phase transitions have been discovered in the…

Strongly Correlated Electrons · Physics 2014-11-13 J. H. Pixley , Rong Yu , Qimiao Si

We report measurements of the temperature-dependent anisotropic resistivity and in-plane magnetoresistance on single crystals of the tetragonal heavy-fermion antiferromagnet (TN = 3.8 K) CeRhIn5. The measurements are reported in the…

Strongly Correlated Electrons · Physics 2009-11-07 A. D. Christianson , A. Lacerda , M. F. Hundley , P. G. Pagliuso , J. L. Sarrao

Polycrystalline samples of SmIr2Si2 formed at room temperature both the low temperature phase (LTP) and the metastable high temperature phase (HTP), respectively, depending on the heat treatment. The samples were studied by X-ray powder…

Field variation of heat capacity at fixed temperatures is investigated to identify the origin of the field induced first order phase transition in polycrystalline Ce(Fe$_{0.094}$Al$_{0.04}$)$_2$ sample. The heat capacity at 4.5K and 3.5K…

Strongly Correlated Electrons · Physics 2007-05-23 L. S. Sharath Chandra , Kaustav Mukherjee , V. Ganesan , A. Banerjee , P. Chaddah , M. K. Chattopadhyay , S. B. Roy

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

The magnetic orientations and switching fields of a CoCrPt-Ru-CoCrPt synthetic ferrimagnet with perpendicular magnetic anisotropy have been studied in the temperature range from 2 K to 300 K. It was found that two sets of magnetic…

Materials Science · Physics 2020-12-15 B. Beauchamp , E. E. Marinero

A detailed investigation of ZnCr2Se4 is presented which is dominated by strong ferromagnetic exchange but orders antiferromagnetically at T_N = 21 K. Specific heat C and thermal expansion Delta L/L exhibit sharp first-order anomalies at the…

Materials Science · Physics 2015-06-25 J. Hemberger , H. -A. Krug von Nidda , V. Tsurkan , A. Loidl

CePd3S4 exhibits interplay between ferromagnetism (FM), quadrupolar order, and the Kondo effect at low temperatures with a FM transition temperature that is much higher than the value expected from the de Gennes scaling of the heavier…

Strongly Correlated Electrons · Physics 2024-01-09 S. Huyan , T. J. Slade , H. Wang , R. Flint , R. A. Ribeiro , W. Xie , S. L. Bud'ko , P. C. Canfield

Theoretically, materials that break multiple symmetries allow, under certain conditions, the formation of four-fermion condensates above the superconducting critical temperature. Such states can be stabilized by phase fluctuations. Recently…

Ambient pressure studies on high purity single crystals of the stoichiometric 4f-electron metal CeNi2Ge2 reveal anomalous low temperature forms of the resistivity which challenge our understanding of the metallic state. Comparisons are made…