نتایج جستجو برای: ابررسانای bscco
تعداد نتایج: 491 فیلتر نتایج به سال:
The optical conductivity of CuO2 (copper-oxygen) planes in p and n–type cuprates thin films at various doping levels is deduced from highly accurate reflectivity data. The temperature dependence of the real part σ1(ω) of this optical conductivity and the corresponding spectral weight allow to track the opening of a partial gap in the normal state of n-type Pr2−xCexCuO4 (PCCO), but not of p–type...
I calculated the critical temperature and superconducting gap in framework of one band d wave Eliashberg theory with only free parameter order to reproduce experimental data relative Bi2Sr2CaCu2O8+δ(BSCCO) overdoped regime. The theoretical calculations are excellent agreement indicate that cuprates regime well described by standard d-wave coupling provided antiferromagnetic spin fluctuations.
Low temperature scanning tunneling microscopy (STM) of various samples of the high temperature superconductor Bi2Sr2CaCu2O8þd consistently reveals the presence of quasi-particle scattering resonances, similar both spectroscopically and spatially to those observed around Zn atoms in Zn-doped BSCCO. As the resonances appear at energies indicative of nearly unitary scattering (B0:5 meV) and are al...
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