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Related papers: Normal State Ettingshausen Effect in La_{2-x}Sr_{x…

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We report the temperature dependence of transport and magnetic properties of La$_{1-x}$Ca$_x$VO$_3$ for x = 0.0, 0.1, 0.2, 0.3, 0.4 and 0.5. The system exhibits an insulator-to-metal transition concomitant with an…

Strongly Correlated Electrons · Physics 2008-02-03 K. Maiti , N. Y. Vasanthacharya , D. D. Sarma

Materials tuned to a quantum critical point display universal scaling properties as a function of temperature $T$ and frequency $\omega$. A long-standing puzzle regarding cuprate superconductors has been the observed power-law dependence of…

Strongly Correlated Electrons · Physics 2023-05-29 B. Michon , C. Berthod , C. W. Rischau , A. Ataei , L. Chen , S. Komiya , S. Ono , L. Taillefer , D. van der Marel , A. Georges

We present the temperature dependence of the thermal conductivity kappa(T) of the unconventional superconductor Sr_2RuO_4 down to low temperatures (100 mK). In T -> 0 K limit we found a finite residual term in kappa/T, providing clear…

Superconductivity · Physics 2009-11-07 M. Suzuki , M. A. Tanatar , N. Kikugawa , Z. Q. Mao , Y. Maeno , T. Ishiguro

By means of the magnetocaloric effect, we examine the nature of the superconducting-normal (S-N) transition of Sr2RuO4, a most promising candidate for a spin-triplet superconductor. We provide thermodynamic evidence that the S-N transition…

Superconductivity · Physics 2013-02-18 Shingo Yonezawa , Tomohiro Kajikawa , Yoshiteru Maeno

The pressure-induced changes in the temperature-dependent thermopower S(T) and electrical resistivity \rho(T) of CeRu_2Ge_2 are described within the single-site Anderson model. The Ce-ions are treated as impurities and the coherent…

Strongly Correlated Electrons · Physics 2009-11-10 H. Wilhelm , D. Jaccard , V. Zlatic , R. Monnier , B. Delley , B. Coqblin

We remeasured the magnetic field dependence of the low-temperature specific heat of the electron-doped superconductor Pr1.85Ce0.15CuO4 (T_C=22\pm 2K) under a different measurement procedure. Under field-cooling, the electronic specific heat…

Superconductivity · Physics 2009-11-11 W. Yu , B. Liang , R. L. Greene

We have measured the magnetic field and temperature dependence of specific heat on $Bi_2Sr_{2-x}La_xCuO_{6+\delta}$ single crystals in wide doping and temperature regions. The superconductivity related specific heat coefficient…

Superconductivity · Physics 2015-05-13 Hai-Hu Wen , Gang Mu , Huiqian Luo , Huan Yang , Lei Shan , Cong Ren , Peng Cheng , Jing Yan , Lei Fang

Five transport coefficients of the cuprate superconductor Bi$_2$Sr$_{2-x}$La$_x$CuO$_{6+\delta}$ were measured in the normal state down to low temperature, reached by applying a magnetic field (up to 66T) large enough to suppress…

Semiconducting-like low-temperature in-plane resistivity indicates that there are no remnants of superconductivity above the resistive phase transition at T > Tc in underdoped cuprates. The model with the chemical potential pinned near the…

Superconductivity · Physics 2007-05-23 A. S. Alexandrov

In-plane resistivity, magnetoresistance and Hall effect measurements have been conducted on quenched K$_x$Fe$_{2-y}$Se$_2$ single crystals in order to analysis the normal-state transport properties. It is found that the Kohler's rule is…

Superconductivity · Physics 2015-06-22 Xiaxin Ding , Yiming Pan , Huan Yang , Hai-Hu Wen

Strain tuning Sr$_{2}$RuO$_{4}$ through the Lifshitz point, where the Van Hove singularity of the electronic spectrum crosses the Fermi energy, is expected to cause a change in the temperature dependence of the electrical resistivity from…

Strongly Correlated Electrons · Physics 2022-03-23 Veronika C. Stangier , Erez Berg , Jörg Schmalian

Neutron scattering experiments reveal that a diagonal spin modulation, which is a one-dimensional modulation rotated away by 45$^\circ$ from that in the superconducting phase, occurs universally across the insulating spin-glass phase in…

Superconductivity · Physics 2009-10-31 M. Matsuda , M. Fujita , K. Yamada , R. J. Birgeneau , M. A. Kastner , H. Hiraka , Y. Endoh , S. Wakimoto , G. Shirane

We present and analyze field cooled magnetization data, revealing for 0<H<5 T remarkable consistency with a magnetic field induced finite size effect. It is traced back to the fact that the correlation length gsi cannot grow beyond the…

Superconductivity · Physics 2007-05-23 T. Schneider , R. Khasanov , D. Di Castro , H. Keller , Mun-Seog Kim , C. U. Jung , Sung-Ik Lee

In this work, Landau's theory is revisited by renormalizing quadratic coefficients derived from nonlinear polynomial equations to account for system dimensionality. In this respect, the generated coefficients, which include an intrinsic…

It is shown that the application of sufficiently strong magnetic field to the odd-frequency paired Pair Density Wave state described in Phys. Rev. B 94, 165114 (2016) leads to formation of a low temperature metallic state with zero Hall…

Superconductivity · Physics 2019-09-04 A. M. Tsvelik

We fabricate van der Waals heterostructure devices using few unit cell thick Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ for magnetotransport measurements. The superconducting transition temperature and carrier density in atomically thin samples can…

We report detailed bulk magnetization measurements of the normal state in the high transition temperature (high-Tc) superconductor La2-xSrxCuO4. A magnetic order in the form of hysteresis in the low field magnetization was observed at…

Superconductivity · Physics 2009-11-10 C. Panagopoulos , M. Majoros , T. Nishizaki , H. Iwasaki

The transport of heat and charge in cuprates was measured in undoped and heavily-underdoped single crystal La_{2-x}Sr_xCuO_{4+delta} (LSCO). In underdoped LSCO, the thermal conductivity is found to decrease with increasing magnetic field in…

The normal-state in-plane resistivity (\rho_{ab}) is measured in lightly Zn-doped La_{2-x}Sr_xCuO_4 (LSCO) crystals with 0.06 \leq x \leq 0.17 to systematically study the localization behavior. It is found that the localization temperature,…

Superconductivity · Physics 2009-11-10 Seiki Komiya , Yoichi Ando

Single crystals of intermetallic Re$_3$Ge$_7$ were grown and characterized by measuring magnetization, electrical resistivity, Hall coefficient, and specific heat. Magnetization measurements show the material is weakly diamagnetic. A phase…

Materials Science · Physics 2022-06-08 Anja Rabus , Eundeok Mun
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