Matches in SemOpenAlex for { <https://semopenalex.org/work/W2338001957> ?p ?o ?g. }
- W2338001957 abstract "The nanoscale structural, chemical, and electronic properties of artificial engineered superlattice thin films consisting of superconducting Co-doped $mathrm{BaF}{mathrm{e}}_{2}mathrm{A}{mathrm{s}}_{2}phantom{rule{0.16em}{0ex}}(mathrm{Ba}text{ensuremath{-}}122)$ and nonsuperconducting $mathrm{SrTi}{mathrm{O}}_{3}phantom{rule{0.16em}{0ex}}(mathrm{STO})$ layers are determined by using atomically resolved scanning transmission electron microscopy and electron energy loss spectroscopy. The bonding of $mathrm{Ba}text{ensuremath{-}}122/mathrm{STO}$ occurring between As (Ba) and $mathrm{SrO}phantom{rule{0.16em}{0ex}}(mathrm{Ti}{mathrm{O}}_{2})$ terminated layers has been identified. The thin STO (3 unit cell) insertion layers are a mixture of cations (Ba, Sr, Fe, and Ti) and rich in oxygen vacancies and the Ba-122 layers (10 unit cell) are free of vertical second phases. Our results explain why these superlattices show anisotropic transport response to an external magnetic field, i.e., strong $ab$-axis pinning (enhancing critical current density) and no $c$-axis pinning, which is opposite to single layer Ba-122 thin films. These findings reveal physical and chemical properties of superconducting/nonsuperconducting heterostructures and provide important insights into engineering of superconducting devices." @default.
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- W2338001957 date "2015-03-31" @default.
- W2338001957 modified "2023-10-14" @default.
- W2338001957 title "Atomic and electronic structures of superconducting<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:msub><mml:mi>BaFe</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>As</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mo>/</mml:mo><mml:msub><mml:mi>SrTiO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>superlattices" @default.
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- W2338001957 doi "https://doi.org/10.1103/physrevb.91.104525" @default.
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