Matches in SemOpenAlex for { <https://semopenalex.org/work/W2801470554> ?p ?o ?g. }
- W2801470554 abstract "Compelling efforts to improve the critical temperature $({T}_{c})$ of superconductors have been made through high-pressure application. Understanding the underlying mechanism behind such improvements is critically important; however, much remains unclear. Here we studied ortho-III ${mathrm{YBa}}_{2}{mathrm{Cu}}_{3}{mathrm{O}}_{6.73}$ (YBCO) using x-ray scattering under hydrostatic pressure (HP) up to $ensuremath{sim}6.0phantom{rule{0.16em}{0ex}}mathrm{GPa}$. We found the reinforced oxygen order of YBCO under HP, revealing an oxygen rearrangement in the Cu-O layer, which evidently shows the charge-transfer phenomenon between the $mathrm{Cu}{mathrm{O}}_{2}$ plane and Cu-O layer. Concurrently, we also observed no disorder-pinned charge-density-wave signature in $mathrm{Cu}{mathrm{O}}_{2}$ plane under HP. This indicates that the oxygen rearrangement modifies the quenched disorder state in the $mathrm{Cu}{mathrm{O}}_{2}$ plane. Using these results, we appropriately explain why pressure condition can achieve higher ${T}_{c}$ compared with the optimal ${T}_{c}$ under ambient pressure in ${mathrm{YBa}}_{2}{mathrm{Cu}}_{3}{mathrm{O}}_{6+x}$. As an implication of these results, finally we have discussed that the change in disorder could make it easier for ${mathrm{YBa}}_{2}{mathrm{Cu}}_{3}{mathrm{O}}_{6+x}$ to undergo a transition to the nematic order under an external magnetic field." @default.
- W2801470554 created "2018-05-17" @default.
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- W2801470554 date "2018-05-09" @default.
- W2801470554 modified "2023-10-18" @default.
- W2801470554 title "Modification of structural disorder by hydrostatic pressure in the superconducting cuprate <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:msub><mml:mi mathvariant=normal>YBa</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant=normal>Cu</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi mathvariant=normal>O</mml:mi><mml:mrow><mml:mn>6.73</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>" @default.
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- W2801470554 doi "https://doi.org/10.1103/physrevb.97.174508" @default.
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