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CeCu$_2$Si$_2$ is an exemplary correlated electron metal that features two domes of unconventional superconductivity in its temperature-pressure phase diagram. The first dome surrounds an antiferromagnetic quantum critical point, whereas…

Strongly Correlated Electrons · Physics 2017-08-23 Y. Lai , S. M. Saunders , D. Graf , A. Gallagher , K. -W. Chen , F. Kametani , T. Besara , T. Siegrist , A. Shekhter , R. E. Baumbach

The heavy fermion antiferromagnet CeNiGe2 was investigated under pressure by resistivity and ac calorimetry up to 4 GPa and down to 40 mK. The two magnetic transitions found in both resistivity and specific heat at 0.1 GPa at T_N1=3.95 and…

Strongly Correlated Electrons · Physics 2009-02-02 A. T. Holmes , T. Muramatsu , D. Kaczorowski , Z. Bukowski , T. Kagayama , K. Shimizu

The tetragonal compound UPt2Si2 has been characterised as a moderately mass enhanced system with an antiferromagnetic ground state below T_N = 32 K. Here, we present an extensive study of the behavior in high magnetic fields. We have…

We present magnetic susceptibility, resistivity, specific heat, and thermoelectric power measurements on (Ce$_{1-x}$La$_x$)Cu$_2$Ge$_2$ single crystals (0 $\leq x\leq$ 1). With La substitution, the antiferromagnetic temperature $T_N$ is…

Strongly Correlated Electrons · Physics 2015-09-01 H. Hodovanets , S. L. Bud'ko , W. E. Straszheim , V. Taufour , E. D. Mun , H. Kim , R. Flint , P. C. Canfield

Nowdays, multiferroic materials with magnetoelectric coupling have many real-world applications in the fields of novel memory devices. It is challenging is to create multiferroic materials with strongly coupled ferroelectric and…

Materials Science · Physics 2018-05-29 Deobrat Singh , Sanjeev K. Gupta , Haiying He , Yogesh Sonvane

Heavy fermions have served as prototype examples of strongly-correlated electron systems. The occurrence of unconventional superconductivity in close proximity to the electronic instabilities associated with various degrees of freedom…

Superconductivity · Physics 2016-08-18 Z. F. Weng , M. Smidman , L. Jiao , X. Lu , H. Q. Yuan

We present the results of our comprehensive investigation on the antiferromagnetic heavy-fermion superconductor Ce$_3$PtIn$_{11}$ carried out by means of electrical transport, heat capacity and ac magnetic susceptibility measurements,…

Competition between collective states like charge density wave and superconductivity is played out in some of the transition metal dichalcogenides unencumbered by the spin degrees of freedom. Although 2H-NbSe$_2$ has received much less…

Strongly Correlated Electrons · Physics 2015-04-21 S. Koley , N. Mohanta , A. Taraphder

The correlation between electronic and crystal structures of 1T-TiSe2 in the charge density wave (CDW) state is studied by x-ray diffraction. Three families of reflections are used to probe atomic displacements and the orbital asymmetry in…

Polycrystalline samples of LaNi2(Ge{1-x}P{x})2 (x = 0, 0.25, 0.50, 0.75, 1) were synthesized and their properties investigated by x-ray diffraction (XRD), heat capacity Cp, magnetic susceptibility chi, and electrical resistivity rho…

Superconductivity · Physics 2013-08-20 R. J. Goetsch , V. K. Anand , Abhishek Pandey , D. C. Johnston

We report on the low-temperature physical properties of a novel compound Ce$_{11}$Pd$_4$In$_9$ that crystallizes with the orthorhombic Nd$_{11}$Pd$_4$In$_9$-type crystal structure (space group $Cmmm$). The compound exhibits ferromagnetic…

Strongly Correlated Electrons · Physics 2019-01-23 Debarchan Das , Dariusz Kaczorowski

Searching for high-performance thermoelectric (TE) materials in the paradigm of narrow-bandgap semiconductors has lasted for nearly 70 years and is obviously hampered by a bottleneck of research now. Here we report on the discovery of a few…

Strongly Correlated Electrons · Physics 2022-10-11 Zirui Dong , Yubo Zhang , Jun Luo , Ying Jiang , Zhiyang Yu , Nan Zhao , Liusuo Wu , Yurong Ruan , Fang Zhang , Kai Guo , Jiye Zhang , Wenqing Zhang

Single crystals of ${\rm Ce_2Re_3Si_5}$ and ${\rm Pr_2Re_3Si_5}$ have been grown by Czochralski method in a tetra-arc furnace. Powder x-ray diffraction confirmed that these compounds crystallize in the ${\rm U_2Mn_3Si_5}$-type tetragonal…

Strongly Correlated Electrons · Physics 2023-11-21 Suman Sanki , Vikash Sharma , Souvik Sasmal , Vikas Saini , Gaurav dwari , Bishal Baran Maity , Ruta Kulkarni , A. Thamizhavel

We report measurements of electrical resistivity, magnetic susceptibility, specific heat, and thermoelectric power on the system Pr1-xCexPt4Ge12. Superconductivity is suppressed with increasing Ce concentration up to x = 0.5, above which…

Strongly Correlated Electrons · Physics 2014-03-24 K. Huang , L. Shu , I. K. Lum , B. D. White , M. Janoschek , D. Yazici , J. J. Hamlin , D. A. Zocco , P. -C. Ho , R. E. Baumbach , M. B. Maple

The electronic structure and the magnetism of the novel ferromagnetic semiconductor (Ga,Fe)Sb, whose Curie temperature $T_{\rm C}$ can exceed room temperature, were investigated by means of x-ray absorption spectroscopy (XAS), x-ray…

We present and characterize a new member of the $R$Cd$_3$P$_3$ ($R$= rare earth) family of materials, NdCd$_3$P$_3$, which possesses Nd$^{3+}$ cations arranged on well-separated triangular lattice layers. Magnetic susceptibility and heat…

Strongly Correlated Electrons · Physics 2023-09-12 Juan R. Chamorro , Azzedin R. Jackson , Aurland K. Watkins , Ram Seshadri , Stephen D. Wilson

Superconducting iron chalcogenide FeSe has the simplest crystal structure among all the Fe-based superconductors. Unlike other iron pnictides, FeSe exhibits no long range magnetic order accompanying the tetragonal-to-orthorhombic structural…

An investigation of the structural, thermodynamic, and electronic transport properties of the isoelectronic chemical substitution series Ce(Pd$_{1-x}$Ni$_x$)$_2$P$_2$ is reported, where a possible ferromagnetic quantum critical point is…

We report on detailed low temperature measurements of the magnetization, the specific heat and the electrical resistivity on high quality CeRuSn single crystals. The compound orders antiferromagnetically at $T_{\rm N} = 2.8$ K with the…

Strongly Correlated Electrons · Physics 2013-09-03 Fikacek jan , Prokleska Jan , Prchal Jiri , Custers Jeroen , Sechovsky Vladimir

The correlated electron material CePd$_2$P$_2$ crystallizes in the ThCr$_2$Si$_2$ structure and orders ferromagnetically at 29 K. Lai et al. [Phys. Rev. B 97, 224406 (2018)] found evidence for a ferromagnetic quantum critical point induced…

Strongly Correlated Electrons · Physics 2020-09-30 T. A. Elmslie , D. VanGennep , W. Bi , Y. Lai , S. T. Weir , Y. K. Vohra , R. E. Baumbach , J. J. Hamlin