English
Related papers

Related papers: Study of magneto-transport properties and quantum …

200 papers

Optical and Hall-effect measurements have been performed on single crystals of Pb$_{0.77}$Sn$_{0.23}$Se, a IV-VI mixed chalcogenide. The temperature dependent (10--300 K) reflectance was measured over 40--7000 cm$^{-1}$ (5--870 meV) with an…

Strongly Correlated Electrons · Physics 2014-12-31 Naween Anand , Zhiguo Chen , Sanal Buvaev , Kamal Choudhary , C. Martin , Genda Gu , S. B. Sinnott , Zhiqiang Li , A. F. Hebard , D. B. Tanner

Lead chalcogenides are the promising thermoelectric (TE) materials having narrow band gap. The present work investigates the TE behaviour of PbSe in the temperature range 300-500 K. The transport properties of the sample have been studied…

We present a detailed study of the charge transport, optical reflectivity, and thermal transport properties of n-type PbSe crystals. A strong scattering, mobility-limiting mechanism was revealed to be at play at temperatures above 500 K.…

We investigated transport, magnetotransport, and broadband optical properties of the half-Heusler compound YbPtBi. Hall measurements evidence two types of charge carriers: highly mobile electrons with a temperature-dependent concentration…

Strongly Correlated Electrons · Physics 2017-04-11 M. B. Schilling , A. Löhle , D. Neubauer , C. Shekhar , C. Felser , M. Dressel , A. V. Pronin

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

A gated Hall-bar device is made from an epitaxially grown, free-standing InSb nanosheet on a hexagonal boron nitride (hBN) dielectric/graphite gate structure and the electron transport properties in the InSb nanosheet are studied by…

Mesoscale and Nanoscale Physics · Physics 2022-08-22 Li Zhang , Dong Pan , Yuanjie Chen , Jianhua Zhao , H. Q. Xu

The 3D- and 2D- behaviour of wide parabolic PbTe single quantum wells, which consist of PbTe p-n-p-structures, are studied theoretically and experimentally. A simple model combines the 2D- subband levels and the 3D-Landau levels in order to…

Materials Science · Physics 2015-06-25 J. Oswald , G. Heigl , M. Pippan , G. Span , T. Stellberger , D. K. Maude , J. C. Portal

Magnetotransport properties of the high-quality FeSe crystal, measured in a wide temperature range and in magnetic fields up to 50 T, show the symmetry of the main holelike and electronlike bands in this compound. In addition to the main…

We report the detailed investigation of the magnetic, transport, and magnetocaloric effects of GdSbSe by magnetic susceptibility $\chi(T)$, isothermal magnetization $M(H)$, resistivity $\rho(T, H)$, and heat capacity $C_p(T)$ measurements,…

Strongly Correlated Electrons · Physics 2024-09-23 Aarti Gautam , Prabuddha Kant Mishra , Souvik Banerjee , A. Sundaresan , Ashok Kumar Ganguli

We report magnetic field dependent transport measurements on a single crystal of cubic YSb together with first principles calculations of its electronic structure. The transverse magnetoresistance does not saturate up to 9 T and attains a…

Strongly Correlated Electrons · Physics 2016-05-11 N. J. Ghimire , A. S. Botana , D. Phelan , H. Zheng , J. F. Mitchell

We report electrical transport measurements of arrays of PbSe nanocrystals forming the channels of field effect transistors. We measure the current in these devices as a function of source-drain voltage, gate voltage and temperature.…

Mesoscale and Nanoscale Physics · Physics 2008-01-28 T. S. Mentzel , V. J. Porter , S. Geyer , K. MacLean , M. G. Bawendi , M. A. Kastner

Conductance of submicron constrictions of PbTe:Bi was studied up to 8T and between 4.2K and 50mK. The structures were fabricated by electron beam lithography and chemical etching of high--electron mobility films grown by MBE on BaF_2. In…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 G. Grabecki , J. Wrobel , T. Dietl , K. Byczuk , E. Papis , E. Kaminska , A. Piotrowska , G. Springholz , M. Pinczolits , G. Bauer

High-quality single crystals of the half-Heusler compound DyNiSb were investigated for their low temperature thermodynamic and magnetotransport properties. Magnetic susceptibility, heat capacity, and electrical resistivity measurements…

The thermoelectric properties of PbSe have significantly improved in recent years reaching figures of merit ZT 1.6. The transport properties of the hole doped high temperature thermoelectric material PbSe are particularly interesting and…

We report measurements of the transport and the magnetic properties of high-quality, sub-millimeter-sized MgB2 single crystals with clear hexagonal-plate shapes. The low-field magnetization and the magnetic hysteresis curves show the vortex…

Employing flux-grown single crystal WSe$_2$, we report charge carrier scattering behaviors measured in $h$-BN encapsulated monolayer field effect transistors. We perform quantum transport measurements across various hole densities and…

The field and temperature dependencies of the longitudinal and Hall resistivity have been measured for FeSe${}_{1-x}$S${}_{x}$ (x=0.04, 0.09 and 0.19) single crystals. The sample FeSe${}_{0.81}$S${}_{0.19}$ does not show a transition to an…

Magnetoresistance and Hall resistance measurements have been carried out in fastcooled single crystals of Bi2Se3-xTex (x: 0 to 2) in 4 to 300 K temperature range, under magnetic fields up to 15 T. The variation of resistivity with…

Materials Science · Physics 2016-02-17 E. P. Amaladass , T. R. Devidas , Shilpam Sharma , C. S. Sundar , A. Bharathi , Awadhesh Mani

We report transport measurement in zero and applied magnetic field on a single crystal of NbAs. Transverse and longitudinal magnetoresistance in the plane of this tetragonal structure does not saturate up to 9 T. In the transverse…

Materials Science · Physics 2015-06-24 N. J. Ghimire , Yongkang Luo , M. Neupane , D. J. Williams , E. D. Bauer , F. Ronning

We present a study of entropy transport in Bi2Se3 at low temperatures and high magnetic fields. In the zero-temperature limit, the magnitude of the Seebeck coefficient quantitatively tracks the Fermi temperature of the 3D Fermi surface at…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 B. Fauqué , N. P. Butch , P. Syers , J. Paglione , S. Wiedmann , A. Collaudin , B. Grena , U. Zeitler , K. Behnia
‹ Prev 1 2 3 10 Next ›