Magnetic, transport, and structural properties of SrRuO3 thin films

Majcher, Anna M.; Rode, Karsten; Coey, J. M. D.; Stamenov, Plamen

doi:10.1063/1.4868333

Cited by 9 publications

(3 citation statements)

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“…Perovskite SrRuO 3 (SRO) is an itinerant ferromagnet with intrinsic p -type conduction at room temperature [1] and the Curie temperatures (T C ) for thin films are around 150 K [2,3]. In particular, SRO could be widely used in applications such as electrodes of capacitors [4,5].…”

Section: Introductionmentioning

confidence: 99%

Theoretical investigation of Hall sign change in SrRuO₃

Sun

Chou

Lin

2019

J. Phys.: Condens. Matter

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The appearance of Hall sign change in perovskite SrRuO3 thin films at Curie temperature was confirmed from our fabricated samples and the result was simulated by our proposed theoretical model. In particular, our simulation results are consistent with experimental results mainly due to the introduction of an impurity band in a two-band model. We found the other important factors in our theory responsible for observed consistency Hall measurements are the itinerant carrier density and its intrinsic carrier type. Eventually the theory possibly interprets the mechanism of Hall sign change.

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Section: Introductionmentioning

confidence: 99%

Theoretical investigation of Hall sign change in SrRuO₃

Sun

Chou

Lin

2019

J. Phys.: Condens. Matter

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“…Oxidation state of Ru ions is 4+ with high stability . A thin film form of SrRuO 3 was used previously by Majcher et al to fabricate oxide‐based spin electronic devices through magnetic tunnel junction. SrRuO 3 has orthorhombic symmetry and the lattice parameters are reported as a = 5.567 Å, b = 5.5304 Å, and c = 7.8446 Å at room temperature .…”

Section: Introductionmentioning

confidence: 99%

Structural, magnetic, electrical, and electrochemical properties of Sr–Co–Ru–O: A hybrid‐capacitor application

et al. 2018

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In this study, we report the synthesis of SrCo1−xRuxO3−δ nominal compositions, where x = 0.0‐1.0, using solid‐state reaction technique. XRD analysis confirms the structure of x = 0 sample as hexagonal Sr6Co5O15. As the Co ions are substituted by Ru, a two‐phase structure (hexagonal R32 and orthorhombic Pbnm) emerges up to x ≤ 0.5. As the Ru content is increased further, the hexagonal R32 phase disappears completely and an orthorhombic Pbnm phase becomes the main phase. SEM images show that grain size of the samples decreases with increasing Ru content. Temperature‐dependent electrical conductivity studies indicate upon Ru substitution in the nominal SrCo1−xRuxO3−δ compounds, resistivity decreases due to appearance of metallic SrRuO3 phase. The cyclic voltammogram (CV) of the samples show capacitive properties upon Ru substitution. The cycle measurements of the capacitors yield promising results for potential supercapacitor applications.

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“…Anatase offers many favorable photocatalytic properties except for weak absorption of the solar spectrum. SRO behaves as a strongly correlated metal oxide, a class of materials with unusual optical and electronic properties that shows promise for all-oxide magnetic tunnel junctions and other spin-electronic devices as well as electrode materials . SRO absorbs strongly in the visible spectrum yet has low reflectivity and electrical conductivity close to that of a metalloid.…”

Section: Introductionmentioning

confidence: 99%

Photocarrier Transport Mechanisms in Amorphous and Epitaxial TiO₂/SrRuO₃ Heterojunction Photocatalysts

Barlaz

Seebauer

2018

J. Phys. Chem. C

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Heterojunction photocatalysts in thin-film form offer the possibility of improved optical absorption of solar radiation but have found limited use due to various material challenges. Epitaxial structures based on strontium ruthenate (SRO) and TiO 2 have demonstrated unexpectedly high activity under visible-light-only illumination because of strong absorption by the SRO, high electrical conductivity, and the ability to inject hot electrons into the active TiO 2 photocatalyst. The role of photoholes, the mechanisms of carrier transport to the TiO 2 surface, and the necessity of an epitaxial structure remain unclear. The present work helps to fill these gaps through rate measurements of methylene blue (MB) photooxidation on SRO−TiO 2 under visible light, together with photoemission measurements of interfacial and free surface band edges of the TiO 2 . Diffusive transport of thermalized holes appears sufficient to explain the results, and surprisingly, a heterojunction based on amorphous SRO and TiO 2 retains a great deal of the metallic properties of crystalline SRO and provides MB degradation rates comparable to an equivalent heteroepitaxial structure reported previously. These findings relax considerably the constraints on translating heterojunctions based on correlated metal oxides into photocatalytic applications.

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Magnetic, transport, and structural properties of SrRuO3 thin films

Abstract: Enhanced magnetoelectric effect in La0.67Sr0.33MnO3/PbZr0.52Ti0.48O3 multiferroic nanocomposite films with a SrRuO3 buffer layer J. Appl. Phys. 113, 164106 (2013)

Cited by 9 publications

References 10 publications

Theoretical investigation of Hall sign change in SrRuO₃

Theoretical investigation of Hall sign change in SrRuO₃

Structural, magnetic, electrical, and electrochemical properties of Sr–Co–Ru–O: A hybrid‐capacitor application

Photocarrier Transport Mechanisms in Amorphous and Epitaxial TiO₂/SrRuO₃ Heterojunction Photocatalysts

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Magnetic, transport, and structural properties of SrRuO3 thin films

Abstract: Enhanced magnetoelectric effect in La0.67Sr0.33MnO3/PbZr0.52Ti0.48O3 multiferroic nanocomposite films with a SrRuO3 buffer layer J. Appl. Phys. 113, 164106 (2013)

Cited by 9 publications

References 10 publications

Theoretical investigation of Hall sign change in SrRuO3

Theoretical investigation of Hall sign change in SrRuO3

Structural, magnetic, electrical, and electrochemical properties of Sr–Co–Ru–O: A hybrid‐capacitor application

Photocarrier Transport Mechanisms in Amorphous and Epitaxial TiO2/SrRuO3 Heterojunction Photocatalysts

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Product

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Theoretical investigation of Hall sign change in SrRuO₃

Theoretical investigation of Hall sign change in SrRuO₃

Photocarrier Transport Mechanisms in Amorphous and Epitaxial TiO₂/SrRuO₃ Heterojunction Photocatalysts