Resistivity tensor correlations in the mixed state of electron-doped superconductor Nd$_{2-x}$Ce$_x$CuO$_{4+\delta}$

التفاصيل البيبلوغرافية
العنوان: Resistivity tensor correlations in the mixed state of electron-doped superconductor Nd$_{2-x}$Ce$_x$CuO$_{4+\delta}$
المؤلفون: Charikova, T. B., Shelushinina, N. G., Harus, G. I., Petukhov, D. S., Petukhova, O. E., Ivanov, A. A.
سنة النشر: 2016
المجموعة: Condensed Matter
مصطلحات موضوعية: Condensed Matter - Superconductivity
الوصف: The magnetic-field dependencies of the longitudinal and Hall resistance of the electron-doped compounds Nd$_{2-x}$Ce$_x$CuO$_{4+\delta}$ in underdoped region with $x$=0.14 and with varying degrees of disorder ($\delta$) were investigated. It was established experimentally that the correlation between the longitudinal electrical resistivity and the Hall resistivity can be analyzed on the basis of scaling relationships: $\rho_{xy}$($B$)$\sim$ $\rho^{\beta}_{xx}$($B$). For the totality of the investigated single-crystal films of Nd$_{2-x}$Ce$_x$CuO$_{4+\delta}$/SrTiO$_3$ the universal value $\beta$=1.5 $\pm$0.4 is found. The observed feature in the electron-doped two-dimensional systems can be associated both with a displaying of anisotropic $s$ - wave or $d$-wave pairing symmetry and with a rather strong pinning due to an essential degree of disorder in the samples under study.
Comment: 15 pages, 6 figures
نوع الوثيقة: Working Paper
DOI: 10.1016/j.physc.2016.05.003
URL الوصول: http://arxiv.org/abs/1601.04804
رقم الانضمام: edsarx.1601.04804
قاعدة البيانات: arXiv
الوصف
DOI:10.1016/j.physc.2016.05.003