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Related papers: Pressure effects in PrT2B2C (T = Co, Ni, Pt): Appl…

200 papers

AgSbTe2 is a well-known thermoelectric material with a high Seebeck coefficient and intrinsically low thermal conductivity, but its behavior under pressure remains largely unexplored. Here we report a systematic investigation of the…

The effect of hydrostatic pressure (p<= 1.8 GPa) on the non-Fermi liquid state of U_2Pt_2In is investigated by electrical resistivity measurements in the temperature interval 0.3-300 K. The experiments were carried out on single-crystals…

Strongly Correlated Electrons · Physics 2009-10-31 P. Estrela , A. de Visser , T. Naka , F. R. de Boer , L. C. J. Pereira

Motivated by the recent experimental observation of a large pressure effect on $T_c$ in Pr$_{1-x}$Sr$_x$NiO$_2$, we study the electronic properties of this compound as a function of pressure for $x=0$ and $0.2$ doping using self-consistent…

Strongly Correlated Electrons · Physics 2026-01-09 Viktor Christiansson , Francesco Petocchi , Philipp Werner

Ab initio linear-response calculations are reported of the phonon spectra and the electron-phonon interaction for several transition metal carbides and nitrides in a NaCl-type structure. For NbC, the kinetic, optical, and superconducting…

Superconductivity · Physics 2009-11-11 E. G. Maksimov , S. V. Ebert , M. V. Magnitskaya , A. E. Karakozov , S. Yu. Savrasov

We performed $^{185/187}$Re nuclear quadrupole resonance (NQR) measurements under pressure to investigate the superconducting properties of noncentrosymmetric superconductor Cd$_{2}$Re$_{2}$O$_{7}$ under various crystal structures. The…

Transition metal ditellurides with the CdI2-type structure are materials with intriguing superconducting and electronic properties as demonstrated by PdTe2. Gold substituted PdTe2, AuxPd1-xTe2, adopts the CdI2-type structure for a Pd…

The discoveries of two-dimensional ferromagnetism and magnetic semiconductors highly enrich the magnetic material family for constructing spin-based electronic devices but with an acknowledged challenge that the Curie temperature (Tc) is…

We report measurements of the microwave surface impedance of the borocarbide family of superconductors LnNi2B2C (Ln=Y, Er, Tm, Ho). The experiments enable direct measurements of the superfluid density, and are particularly sensitive to the…

Through the solid state reaction method, we synthesized a new BiSe2-based superconductor Sr0:5La0:5FBiSe2 with superconducting transition temperature Tc?3.8 K. A strong diamagnetic signal below Tc in susceptibility ?(T) is observed…

Superconductivity · Physics 2016-05-02 Lin Li , Yongliang Xiang , Yihong Chen , Wenhe Jiao , Chuhang Zhang , Li Zhang , Jianhui Dai , Yuke Li

Crystal and magnetic structures of $R_2$Ni$_2$In ($R$ = Tb and Ho) have been studied by powder neutron diffraction at low temperatures. The compounds crystallize in an orthorhombic crystal structure of the Mn$_2$AlB$_2$-type. At low…

The discovery of superconductivity in copper oxide compounds has attracted considerable attention over the past three decades. The high transition temperature in these compounds, exhibiting proximity to an antiferromagnetic order in their…

Experimental investigation of the resistivity $\rho$, susceptibility $\chi$, specific heat C$_p$, and Hall coefficient R$_H$ of the pyrochlore Cd$_2$Re$_2$O$_7$ reveals the presence of a continuous phase transition of uncertain origin with…

Strongly Correlated Electrons · Physics 2016-08-31 R. Jin , J. He , J. R. Thompson , M. F. Chisholm , B. C. Sales , D. Mandrus

We report the influence of external pressure (P= up to 8 GPa) on the temperature dependence of electrical resistivity of a Yb-based Kondo lattice, YbPd2Si2, which does not undergo magnetic ordering under ambient pressure condition. There…

Strongly Correlated Electrons · Physics 2009-11-10 T. Nakano , M. Hedo , Y. Uwatoko , E. V. Sampathkumaran

In this communication, we report the temperature dependence (3 to 300K) of the electrical resistivity of BiS2 based layered PrO0.5F0.5BiS2 superconductor at ambient and hydrostatic pressure of up to 3GPa. It is observed that Tc increases…

Superconductivity · Physics 2013-07-19 G. Kalai Selvan , M. Kanagaraj , Rajveer Jha , V. P. S. Awana , S. Arumugam

Low temperature ac magnetic susceptibility measurements of the coexistent antiferromagnetic superconductor YbPd2Sn have been made in hydrostatic pressures < 74 kbar in moissanite anvil cells. The superconducting transition temperature is…

Strongly Correlated Electrons · Physics 2007-05-23 A-M. Cumberlidge , P. L. Alireza , A. F. Kusmartseva , E. E. Pearson , G. G. Lonzarich , N. R. Bernhoeft , B. Roessli

The compound, Sr3NiPtO6, belonging to a K4CdCl6-type rhombohedral structure, has been reported not to exhibit magnetic ordering at least down to 1.8 K, despite a relatively large value of paramagnetic Curie temperature. This is attributable…

Strongly Correlated Electrons · Physics 2009-06-29 S. Narayana Jammalamadaka , Niharika Mohapatra , Karthik K Iyer , E. V. Sampathkumaran

We have measured magnetization M(T,H), electrical resistivity ro(T,H), thermal conductivity k(T,H), and thermopower S(T,H) of polycrystalline samples of Nd1-xEuxNiO3; 0 <= x <= 0.35; as a function of temperature and external magnetic field.…

Strongly Correlated Electrons · Physics 2007-05-23 V. B. Barbeta , R. F. Jardim , M. T. Escote , N. R. Dilley

In the pyrochlore compounds, Tb$_2$Ti$_2$O$_7$ and Tb$_2$Sn$_2$O$_7$, only the Tb$^{3+}$ ions are magnetic. They exhibit quite abnormal -- and, in view of their chemical similarity, strikingly different -- magnetic behaviour, as probed by…

Strongly Correlated Electrons · Physics 2009-11-11 I. Mirebeau , A. Apetrei , I. N. Goncharenko , R. Moessner

Electrical resistivity and magnetic susceptibility measurements under high pressure were performed on an iron-based superconductor LaFePO. A steep increase in superconducting transition temperature (Tc) of LaFePO with dTc/dP > 4 K/GPa to a…

Superconductivity · Physics 2009-11-13 K. Igawa , H. Okada , K. Arii , H. Takahashi , Y. Kamihara , M. Hirano , H. Hosono , S. Nakano , T. Kikegawa

The newly discovered BaPt$_2$As$_2$ shows a structural distortion at around 275~K, followed by the emergence of superconductivity at lower temperatures. Here we identify the presence of charge density wave (CDW) order at room temperature…

Superconductivity · Physics 2016-11-18 C. Y. Guo , W. B. Jiang , M. Smidman , F. Han , C. D. Malliakas , B. Shen , Y. F. Wang , Y. Chen , X. Lu , M. G. Kanatzidis , H. Q. Yuan