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Related papers: Multiband transport in RuO$_2$

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We report the giant carrier mobility in single crystals of FeSb2. Nonlinear field dependence of Hall resistivity is well described with the two-carrier model. Maximum mobility values in high mobility band reach ~10^5 cm^2/Vs at 8 K, and are…

Strongly Correlated Electrons · Physics 2009-11-13 Rongwei Hu , V. F. Mitrovic , C. Petrovic

Hall effect and magnetoresistance have been measured on single crystals of the parent phase NaFeAs under a uniaxial pressure. Although significant difference of the in-plane resistivity $\rho_{xx}(I\parallel a)$ and $\rho_{xx}(I\parallel…

Superconductivity · Physics 2015-09-21 Qiang Deng , Jie Xing , Jianzhong Liu , Huan Yang , Hai-Hu Wen

Magnetotransport measurements of charge carriers at the interface of a LaAlO3/SrTiO3 heterostructure with 26 unit cells of LaAlO3 show Hall resistance and magnetoresistance which at low and high temperatures is described by a single channel…

Materials Science · Physics 2015-03-31 V. K. Guduru , A. McCollam , A. Jost , S. Wenderich , H. Hilgenkamp , J. C. Maan , A. Brinkman , U. Zeitler

We present measurements of resistivity and thermopower of Fe1+xTe1-ySey single crystalline samples with y=0, 0.1, 0.2, 0.3 and 0.45 in zero field and in a magnetic field B=8T. We propose a qualitative analysis of the temperature behavior of…

Superconductivity · Physics 2009-12-10 I. Pallecchi , G. Lamura , M. Tropeano , M. Putti , R. Viennois , E. Giannini , D. Van der Marel

Transport properties of the good thermoelectric misfit oxide Ca$_3$Co$_4$O$_9$ are examined. In-plane resistivity and Hall resistance measurements were made on epitaxial thin films which were grown on {\it c}-cut sapphire substrates using…

Strongly Correlated Electrons · Physics 2009-11-11 H. W Eng , P. Limelette , W. Prellier , Ch. Simon , R. Fresard

We present a detailed study of the electronic transport properties on a single crystalline specimen of the moderately disordered heavy fermion system URh$_2$Ge$_2$. For this material, we find glassy electronic transport in a single…

Strongly Correlated Electrons · Physics 2009-11-10 S. Süllow , I. Maksimov , A. Otop , F. J. Litterst , A. Perucchi , L. Degiorgi , J. A. Mydosh

PrRhC2 belongs to the rare-earth carbides family whose properties are of special interest among topological semimetals due to the simultaneous breaking of both inversion and time-reversal symmetry. The concomitant absence of both symmetries…

Relating the band structure of correlated semimetals to their transport properties is a complex and often open issue. The partial occupation of numerous electron and hole bands can result in properties that are seemingly in contrast with…

ThCr$_2$Si$_2$-type intermetallics are layered conductors in which crystallographic anisotropy and multiband electronic states often give rise to characteristic magnetotransport phenomena. Here, we report the molecular-beam epitaxy growth…

Materials Science · Physics 2026-04-23 Mizuki Ohno , Reiley Dorrian , Veronica Show , Joseph Falson

We studied the effects of multiband electronic structure on the thermoelectric and electrical transport properties in the normal state of kagome superconductors $A$V$_3$Sb$_5$ ($A$ = K, Rb, Cs). In all three members, the multiband nature is…

Superconductivity · Physics 2022-09-19 Xinrun Mi , Wei Xia , Long Zhang , Yuhan Gan , Kunya Yang , Aifeng Wang , Yisheng Chai , Yanfeng Guo , Xiaoyuan Zhou , Mingquan He

We have measured both magnetoresistance and Hall effect in CeOs$_4$Sb$_{12}$ to clarify the large resistivity state ascribed to the Kondo insulating one and the origin of the phase transition near 0.9 K reported in the specific heat…

Strongly Correlated Electrons · Physics 2007-05-23 H. Sugawara , S. Osaki , M. Kobayashi , T. Namiki , S. R. Saha , Y. Aoki , H. Sato

The results of a comprehensive study of MnSb$_2$Te$_4$ single crystals are presented. The structure, Raman spectra, low-temperature transport, Hall effect, magnetization, and magnetic susceptibility are studied. It was established that the…

The observation of metallic behavior at the interface between insulating oxides has triggered worldwide efforts to shed light on the physics of these systems and clarify some still open issues, among which the dimensional character of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 I. Pallecchi , M. Codda , E. Galleani d'Agliano , D. Marre' , A. D. Caviglia , N. Reyren , S. Gariglio , J. -M. Triscone

We present a detailed study on the (magneto)transport properties of as-cast and heat treated material UCu$_4$Pd. We find a pronounced sample dependence of the resistivity $\rho$ of as-cast samples, and reproduce the annealing dependence of…

Strongly Correlated Electrons · Physics 2009-11-11 A. Otop , S. Süllow , M. B. Maple , A. Weber , E. W. Scheidt , T. J. Gortenmulder , J. A. Mydosh

Temperature dependent magneto-transport measurements in magnetic fields of up to 12 Tesla were performed on thin film vanadium dioxide (VO2) across the metal-insulator transition (MIT). The Hall carrier density increases by 4 orders of…

RPdBi (R = Er, Ho, Gd, Dy, Y, Nd) compounds were studied by means of x-ray diffraction, magnetic susceptibility, electrical resistivity, magnetoresistivity, thermoelectric power and Hall effect measurements, performed in the temperature…

Materials Science · Physics 2011-08-01 K. Gofryk , D. Kaczorowski , T. Plackowski , A. Leithe-Jasper , Yu. Grin

We report resistivity and Hall effect results on Ba(Fe1-xNix)2As2 and compare them with those in Ba(Fe1-xCox)2As2. The Hall number RH is negative for all x values from 0.01 to 0.14, which indicates that electron carriers dominate the…

Superconductivity · Physics 2015-03-17 A. Olariu , F. Rullier-Albenque , D. Colson , A. Forget

We present the first report on a large low-temperature magnetoresistance (MR) of more than 1600% in a SrFe2As2 single crystal and 1300% in a low-energy Ca ion-implanted SrFe2As2 single crystal that occurs before the emergence of…

Superconductivity · Physics 2013-10-24 S. V. Chong , G. V. M. Williams , J. Kennedy , F. Fang , J. L. Tallon , K. Kadowaki

Because of their complex Fermi surfaces, the identification of the physical phenomena contributing to electronic scattering in the Fe-based superconductors is a difficult task. Here, we report on the electrical resistivity,…

Transport properties are systematically studied for the single crystals Cu$_{x}$TiSe$_{2}$ (0.015$\leq$x$\leq$0.110). Both of in-plane and out-of-plane resistivity show the coexistence of superconducting transition and charge density wave…

Superconductivity · Physics 2007-05-23 G. Wu , H. X. Yang , L. Zhao , X. G. Luo , T. Wu , G. Y. Wang , X. H. Chen