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Related papers: Deviations from Matthiessen's Rule for ${\rm SrRuO…

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The electronic and magnetic properties in ABO3 perovskite oxides are extremely sensitive to lattice structure but also the dimensionality, such as the thickness in thin film form. Here, we report the thickness-dependent electro-magnetic…

Materials Science · Physics 2022-12-26 Zeeshan Ali , Mohammad Saghayezhian , Prahald Siwakoti , Roshan Nepal , Jiandi Zhang

Integration of conventional mid to long-wavelength infrared polarizers with chip-scale platforms is restricted by their bulky size and complex fabrication. Van der Waals materials based polarizer can address these challenges due to its…

The influence of irradiation by electrons with energies of $0.5-2.5$\,MeV at temperatures of about $10$\,K on the basal-plane resistivity of the YBa$_2$Cu$_3$O$_{7-\delta}$ single crystals is investigated in the range from $T_c$ to…

Superconductivity · Physics 2019-01-21 R. V. Vovk , G. Ya. Khadzhai , O. V. Dobrovolskiy

We have investigated the anomalous nonlinear microwave response of epitaxial electron-beam coevaporated YBa2Cu3O7-x films on MgO. The power and temperature dependent surface impedance and two-tone intermodulation distortion were measured in…

Superconductivity · Physics 2007-05-23 M. A. Hein , P. J. Hirst , R. G. Humphreys , D. E. Oates , A. V. Velichko

We have studied how the magnetic properties of oxygen-deficient EuO sputtered thin films vary as a function of thickness. The magnetic moment, measured by polarized neutron reflectometry, and the Curie temperature are found to decrease with…

Novel quantum phenomena, including high-temperature superconductivity, topological properties, and charge/spin density waves, appear in low-dimensional conductive materials. It is possible to artificially create low-dimensional systems by…

Mesoscale and Nanoscale Physics · Physics 2021-02-16 M. Sakoda , H. Nobukane , S. Shimoda , S. Tanda

This research investigates the structural, topological, electrical and optical properties of pulsed laser deposited polycrystalline BiFeO3 thin films on silicon and glass substrate at varying deposition temperatures ranging from 400 degC to…

Materials Science · Physics 2025-03-04 Viswajit R S , Jinesh K. B , Ashok K

A Mn valence instability on La2/3Ca1/3MnO3 thin films, grown on LaAlO3 (001)substrates is observed by x-ray absorption spectroscopy at the Mn L-edge and O K-edge. As-grown samples, in situ annealed at 800 C in oxygen, exhibit a Curie…

Materials Science · Physics 2009-09-17 S. Valencia , A. Gaupp , W. Gudat , Ll. Abad , Ll. Balcells , A. Cavallaro , B. Martinez , F. J. Palomares

We analyze the temperature dependences of the effective dielectric permittivity of P(VDF-TrFE) films with BaTiO3 nanoparticles (with the average size 24 nm). Transition from a weak to a strong nonlinear temperature dependence of the…

We study the interplay of electron-electron and electron-disorder scattering in correlated Fermi liquids by the disordered Hubbard model using dynamical mean-field theory with an IPT-CPA solver. We find significant violations of…

Strongly Correlated Electrons · Physics 2025-02-25 Arianna Poli , Simone Fratini , Jennifer Coulter , Andrew J. Millis , Sergio Ciuchi

We investigated the nature of transport and magnetic properties in SrIr0.5Ru0.5O3, (SIRO) which has characteristics intermediate between a correlated non-Fermi liquid state and an itinerant Fermi liquid state, by growing perovskite thin…

Strongly Correlated Electrons · Physics 2015-09-11 Abhijit Biswas , Yong Woo Lee , Sang Woo Kim , Yoon Hee Jeong

In three dimensional (3D) disordered metals, the electron-phonon (\emph{e}-ph) scattering is the sole significant inelastic process. Thus the theoretical predication concerning the electron-electron (\emph{e}-\emph{e}) scattering rate…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Yang Yang , Xin-Dian Liu , Zhi-Qing Li

We discuss the origin of the temperature dependence of resistivity observed in highly oriented LaNiO_3 thin films (of thickness d) grown on SrTiO_3 substrate by a pulsed laser deposition technique. All the experimental data are found to…

Materials Science · Physics 2015-12-31 S Sergeenkov , L Cichetto , M Zampieri , E Longo , F M Araujo-Moreira

Effects of periodic curvature on the the electrical resistivity of corrugated semiconductor films are theoretically considered. The presence of a curvature-induced potential affects the motion of electrons confined to the thin curved film,…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Shota Ono , Hiroyuki Shima

The electronic structure of La0.8Sr0..2MnO3/SrTiO thin film, which was prepared by Laser MBE, was studied by X-ray photoemission spectra (XPS) in the temperature interval of 300 to 1000 K. Experimental results showed that the electronic…

Strongly Correlated Electrons · Physics 2007-05-23 Guotai Tan , S. Dai , P. Duan , H. B. Lu , K. Xie , Y. L. Zhou , Z. H. Chen

Mn-based nitrides with antiperovskite structures have several properties that can be utilised for antiferromagnetic spintronics. Their magnetic properties depend on the structural quality, composition and doping of the cubic antiperovskite…

Materials Science · Physics 2025-01-08 Christoph Sürgers , Gerda Fischer , Sihao Deng , Dongmei Hu , Cong Wang

We study the low temperature conductivity of the electron accumulation layer induced by the very strong electric field at the surface of $\text{SrTiO}_3$ sample. Due to the strongly nonlinear lattice dielectric response, the…

Mesoscale and Nanoscale Physics · Physics 2016-07-21 Han Fu , K. V. Reich , B. I. Shklovskii

We have studied the temperature dependence of spectroscopic ellipsometry spectra of an electrically insulating, nearly stoichiometric YTiO_3 single crystal with ferromagnetic Curie temperature T_C = 30 K. The optical response exhibits a…

Strongly Correlated Electrons · Physics 2009-11-13 N. N. Kovaleva , A. V. Boris , P. Yordanov , A. Maljuk , E. Brüchner , J. Strempfer , M. Konuma , I. Zegkinoglou , C. Bernhard , A. M. Stoneham , B. Keimer

Iridate thin films are a prerequisite for any application utilizing their cooperative effects resulting from the interplay of stron spin-orbit coupling and electronic correlations. Here, heteroepitaxial Na2IrO3 thin films with excellent…

Strongly Correlated Electrons · Physics 2013-07-16 Marcus Jenderka , José Barzola-Quiquia , Zhipeng Zhang , Heiko Frenzel , Marius Grundmann , Michael Lorenz

${\rm CaRuO_3}$ is a paramagnetic metal and since its low temperature resistivity is described by $\rho=\rho_0+AT^\gamma $ with $\gamma \sim 1.5$, it is also considered a non-Fermi liquid (NFL) metal. We have performed extensive…

Pattern Formation and Solitons · Physics 2015-06-26 Moty Schultz , Lior Klein , J. W. Reiner , M. R. Beasley
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