Search Results - "Dörr, K"
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1
The emergence of magnetic ordering at complex oxide interfaces tuned by defects
Published in Nature communications (20-07-2020)“…Complex oxides show extreme sensitivity to structural distortions and defects, and the intricate balance of competing interactions which emerge at atomically…”
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2
Tuning the exciton binding energies in single self-assembled InGaAs/GaAs quantum dots by piezoelectric-induced biaxial stress
Published in Physical review letters (12-02-2010)“…We study the effect of an external biaxial stress on the light emission of single InGaAs/GaAs(001) quantum dots placed onto piezoelectric actuators. With…”
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3
Strain-induced insulator state and giant gauge factor of La0.7Sr0.3CoO3 films
Published in Physical review letters (22-02-2008)“…A strain-induced change of the electrical conductivity by several orders of magnitude has been observed for ferromagnetic La(0.7)Sr(0.3)CoO(3) films. Tensile…”
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4
Tailoring dielectric permittivity of epitaxial Gd-doped CeO2−x films by ionic defects
Published in JPhys Energy (01-04-2024)“…Engineering materials with highly tunable physical properties in response to external stimuli is a cornerstone strategy for advancing energy technology. Among…”
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5
Applying uniform reversible strain to epitaxial oxide films
Published in Applied physics letters (12-04-2010)“…We demonstrate using four-circle x-ray diffraction that the piezoelectric substrate of Pb ( Mg 1 / 3 Nb 2 / 3 ) 0.72 Ti 0.28 O 3 ( 001 ) induces uniform…”
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6
Stoichiometry control of complex oxides by sequential pulsed-laser deposition from binary-oxide targets
Published in Applied physics letters (30-03-2015)“…To have precise atomic layer control over interfaces, we examine the growth of complex oxides through the sequential deposition from binary targets by pulsed…”
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7
Defect-induced magnetism in homoepitaxial SrTiO3
Published in APL materials (01-09-2022)“…Along with recent advancements in thin-film technologies, the engineering of complex transition metal oxide heterostructures offers the possibility of creating…”
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8
Growth-sequence-dependent interface magnetism of SrIrO3–La0.7Sr0.3MnO3 bilayers
Published in AIP advances (01-03-2020)“…Bilayers of the oxide 3d ferromagnet La0.7Sr0.3MnO3 (LSMO) and the 5d paramagnet SrIrO3 (SIO) with large spin–orbit coupling (SOC) have been investigated…”
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9
Strong strain dependence of ferroelectric coercivity in a BiFeO3 film
Published in Applied physics letters (04-04-2011)“…The ferroelectric polarization loop of an epitaxial BiFeO3 film on a piezoelectric substrate has been investigated as a function of continuously and reversibly…”
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10
Controlling quantum dot emission by integration of semiconductor nanomembranes onto piezoelectric actuators
Published in physica status solidi (b) (01-04-2012)“…This paper reviews the recent advances obtained by integrating semiconductor epitaxial films with embedded self‐assembled quantum dots (QDs) on top of…”
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11
Lattice structure and magnetization of LaCoO3 thin films
Published in The European physical journal. B, Condensed matter physics (01-07-2010)“… We investigate the structure and magnetic properties of thin films of the LaCoO 3 compound. Thin films are deposited by pulsed laser deposition on various…”
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12
Element specific hysteresis of La0.7Sr0.3MnO3—SrRuO3 (LSMO-SRO) heterostructures
Published in APL materials (01-07-2018)“…The ferromagnetic oxides La0.7Sr0.3MnO3 (LSMO) and SrRuO3 (SRO) couple antiferromagnetically, leading to a canted spin-structure at the interface’s proximity…”
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13
Strain response of magnetic order in perovskite-type oxide films
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (28-02-2014)“…The role of elastic strain for magnetoelectric materials and devices is twofold. It can induce ferroic orders in thin films of otherwise non-ferroic materials…”
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14
Three different mechanisms of self-discharge behavior in poly(vinylidene fluoride-hexafluoropropylene) for dielectric energy storage
Published in JPhys Energy (17-04-2019)“…Poly(vinylidene fluoride-co-hexafluoropropylene) (P(VDF-HFP)) has attracted attention as a matrix material for nanodielectrics, combining the high electrical…”
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15
Strain-controlled switching kinetics of epitaxial PbZr0.52Ti0.48O3 films
Published in New journal of physics (09-07-2013)“…We investigate the effect of biaxial strain on the switching of ferroelectric thin films. The strain state of epitaxial PbZr0.52Ti0.48O3 films is controlled…”
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16
Growth and multiferroic properties of hexagonal HoMnO3 films
Published in Applied physics letters (01-01-2007)“…Hexagonal, twin-free HoMnO3 (0001) films of 25–240nm thickness were grown epitaxially on Y2O3:ZrO2(111) substrates using pulsed laser deposition. Ferroelectric…”
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17
Probing electronic defect states in manganite/SrTiO3 heterostructures by surface photovoltage spectroscopy
Published in Materials science & engineering. B, Solid-state materials for advanced technology (25-03-2011)“…The energetic distribution of electronic defect states in oxide heterostructures made of ultrathin lanthanum manganite (La0.7Ca0.3MnO3, La0.7Ce0.3MnO3) films…”
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18
Low-voltage electron emission from thin [Pb(Mg1/3Nb2/3)O3]0.72 [PbTiO3]0.28 single crystals induced by ferroelectric polarization switching
Published in New journal of physics (04-02-2009)Get full text
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19
Strain controlled ferroelectric switching time of BiFeO3 capacitors
Published in Applied physics letters (10-12-2012)“…The ferroelectric switching kinetics of BiFeO3 capacitors grown on a piezoelectric substrate has been investigated in different strain states and at various…”
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20
Dermal exposure to weathered MC252 crude oil results in echocardiographically identifiable systolic myocardial dysfunction in double-crested cormorants (Phalacrocorax auritus)
Published in Ecotoxicology and environmental safety (01-12-2017)“…During the Deepwater Horizon Natural Resource Damage Assessment, gross morphologic cardiac abnormalities, including softer, more distensible musculature, were…”
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