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We report on the synthesis of high quality La$_{1/3}$Sr$_{2/3}$FeO$_3$ (LSFO) thin films using the pulsed laser deposition technique on both SrTiO$_3$ (STO) and LaAlO$_3$ (LAO) substrates (100)-oriented. From X-Ray diffraction (XRD)…

Materials Science · Physics 2009-11-07 W. Prellier , B. Mercey

We report the deposition of thin Co$_2$FeSi films by RF magnetron sputtering. Epitaxial (100)-oriented and L2$_1$ ordered growth is observed for films grown on MgO(100) substrates. (110)-oriented films on Al$_2$O$_3$(110) show several…

Materials Science · Physics 2007-05-23 H. Schneider , Ch. Herbort , G. Jakob , H. Adrian , S. Wurmehl , C. Felser

We study the temperature dependence ($77$ K - $475$ K) of the longitudinal resistivity and Hall coefficient of thin films (thickness $20$ nm) of three dimensional topological Dirac semimetal Na$_3$Bi grown via molecular beam epitaxy (MBE).…

Materials Science · Physics 2017-12-20 Chang Liu , Jack Hellerstedt , Mark T. Edmonds , Michael S. Fuhrer

CrSb is an attractive material for room-temperature antiferromagnetic spintronic applications because of its high N\'{e}el temperature $\sim$700 K and semi-metallic character. We study the magnetic properties of CrSb bilayers on few-layer…

Mesoscale and Nanoscale Physics · Physics 2021-07-07 Chao Lei , Hua Chen , Allan H. MacDonald

The Hall coefficient $R_\mathrm{H}$ as a function of temperature for Pr$_{2-x}$Ce$_{x}$CuO$_{4}$ (PCCO) at $x = 0.17$ shows two sign changes between 0 and 300K that can be explained qualitatively using the two-carrier model. Using this…

Superconductivity · Physics 2024-10-23 S. Ghotb , M. Dion , G. Hardy , P. Fournier

Infrared (20-120 cm-1 and 900-1100 cm-1) Faraday rotation and circular dichroism are measured in high Tc superconductors using sensitive polarization modulation techniques. Optimally doped YBCO thin films are studied at temperatures down to…

Superconductivity · Physics 2009-10-31 J. Cerne , M. Grayson , D. C. Schmadel , G. S. Jenkins , H. D. Drew , R. Hughes , J. S. Preston , P. -J. Kung

Strained thin films of charge/orbital ordered (CO/OO) $Nd_{0.5}Ca_{0.5}MnO_3$ (NCMO) with various thickness have grown on (100)-SrTiO$_3$ and (100)-LaAlO$_3$ substrates, by using the Pulsed Laser Deposition (PLD) technique. The thickness of…

Materials Science · Physics 2009-11-07 E. Rauwel Buzin , W. Prellier , B. Mercey , Ch. Simon , B. Raveau

The electrical resistivity and Hall coefficient of LaFeAsO0.95F0.05 polycrystalline samples were measured in pulsed magnetic fields up to m0H = 60 T from room temperature to 1.5 K. The resistance of the normal state shows a negative…

Superconductivity · Physics 2009-11-13 Y. Kohama , Y. Kamihara , S. Riggs , F. F. Balakirev , T. Atake , M. Jaime , M. Hirano , H. Hosono

Fe$_4$GeTe$_2$, an itinerant vdW ferromagnet (FM) having Curie temperature (T$_C$) close to room temperature ($\sim 270$ K), exhibits another transition (T$_{SR}$ $\sim$ 120 K) where the easy axis of magnetization changes from in-plane to…

Mesoscale and Nanoscale Physics · Physics 2024-04-12 Riju Pal , Buddhadeb Pal , Suchanda Mondal , Prabhat Mandal , Atindra Nath Pal

Electronic transport has been investigated for strong spin-orbit coupled perovskite SrIrO3 thin films grown at various substrate temperatures. The electronic transport of the SrIrO3 films is found to be very sensitive to the growth…

Strongly Correlated Electrons · Physics 2015-03-17 Abhijit Biswas , Yoon Hee Jeong

The symmetry of a material fundamentally governs its spin transport properties. While unconventional spin transport phenomena have been predominantly explored in low-symmetry systems (e.g., $C_{1v}$ symmetry), high-symmetry crystals--which…

A comprehensive magnetotransport study including resistivity ($\rho_{xx}$) at various fields, isothermal magnetoresistance and Hall resistivity ($\rho_{xy}$) has been carried out at different temperatures on the Co$_{2}$TiAl Heusler alloy.…

Materials Science · Physics 2019-08-19 Rudra Prasad Jena , Devendra Kumar , Archana Lakhani

The discovery of the anomalous Hall effect (AHE) in bulk metallic antiferromagnets (AFMs) motivates the search of the same phenomenon in two-dimensional (2D) systems, where a quantized anomalous Hall conductance can in principle be…

We report a method to obtain insights into lower thermal conductivity of \beta-Ga2O3 thin films grown by molecular beam epitaxy (MBE) on c-plane sapphire and 4H-SiC substrates. We compare experimental values against the numerical…

SiO2/Fe/SiO2 sandwich structure films fabricated by sputtering were studied by varying the Fe layer thickness (t_Fe). The structural and microstructural studies on the samples showed that the Fe layer has grown in nanocrystalline form with…

Materials Science · Physics 2026-01-19 Sudhansu Sekhar Das , M. Senthil Kumar

In this work we investigate an unusual transport phenomenon observed in two-dimensional electron gas under integer quantum Hall effect conditions. Our calculations are based on the screening theory, using a semi-analytical model. The…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 S. Erden Gulebaglan , S. B. Kalkan , S. Sirt , E. M. Kendirlik , A. Siddiki

Normal state resistivity and Hall effect are shown to be successfully modeled by a two-band model of holes and electrons that is applied self-consistently to (i) DC transport data reported for eight bulk-crystal and six oriented-film…

Superconductivity · Physics 2012-02-09 Dale R. Harshman , John D. Dow , Anthony T. Fiory

Scaling of the anomalous Hall conductivity to longitudinal conductivity, has been observed in the dirty regime of two-dimensional weak and strong localization regions in ultrathin, polycrystalline, chemically disordered, ferromagnetic FePt…

Materials Science · Physics 2015-06-11 Y. M. Lu , J. W. Cai , Zaibing Guo , X. X. Zhang

The electrical resistivity of La$_{1-x}$Ca$_{x}$MnO$_{3}$ thin films grown on (001) NdGaO$_{3}$ and (100) SrTiO$_{3}$ substrates by off-axis sputtering has been studied as a function of the Calcium doping level. The samples have very narrow…

Strongly Correlated Electrons · Physics 2007-05-23 P. R. Broussard

We have investigated the magnetic-field-induced phase transition of charge-ordered (CO) Pr$_{0.5}$Ca$_{0.5}$MnO$_3$ thin films, deposited onto (100)-oriented LaAlO$_3$ and (100)-oriented SrTiO$_3$ substrates using the pulsed laser…

Materials Science · Physics 2009-11-07 W. Prellier , E. Rauwel Buzin , S. de Brion , G. Chouteau , Ch. Simon , B. Mercey nd M. Hervieu