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29 papers · 2 filters
Ab Initio Study of the Intrinsic Exchange Bias at the SrRuO/SrMnO Interface
Shuai Dong, Qinfang Zhang, Seiji Yunoki +2
In a recent publication (S. Dong et al., Phys. Rev. Lett.103, 127201 (2009)), two (related) mechanisms were proposed to understand the intrinsic exchange bias present in oxides het…
Electrochemical Strain Microscopy with Blocking Electrodes: The Role of Electromigration and Diffusion
A. N. Morozovska, E. A. Eliseev, S. V. Kalinin
Electrochemical strains are a ubiquitous feature of solid state ionic devices ranging from ion batteries and fuel cells to electroresistive and memristive memories. Recently, we pr…
Frequency Dependent Dynamical Electromechanical Response of Mixed Ionic-Electronic Conductors
A. N. Morozovska, E. A. Eliseev, S. L. Bravina +4
Frequency dependent dynamic electromechanical response of the mixed ionic-electronic conductor film to a periodic electric bias is analyzed for different electronic and ionic bound…
Magnetic non-uniformity and thermal hysteresis of magnetism in a manganite thin film
Surendra Singh, M. R. Fitzsimmons, T. Lookman +5
We measured the chemical and magnetic depth profiles of a single crystalline (LaPr)CaMnO (x = 0.52\pm0.05, y = 0.23\pm0.04, δ = 0.14\pm0.10) film gr…
Suppression of Grain Boundaries in Graphene Growth on Superstructured Mn-Cu(111) Surface
Wei Chen, Hua Chen, Haiping Lan +4
As undesirable defects, grain boundaries (GBs) are widespread in epitaxial graphene using existing growth methods on metal substrates. Employing density functional theory calculati…
Direct Observation of an Interface Dipole between Two Metallic Oxides Caused by Localized Oxygen Vacancies
A. Y. Borisevich, A. R. Lupini, J. He +9
Oxygen vacancies are increasingly recognized to play a role in phenomena observed at transition-metal oxide interfaces. Here we report a study of SrRuO3/La0.7Sr0.3MnO3 (SRO/LSMO) i…