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Scaling behavior of current- voltage characteristics of Y(1-x)CaxBa2Cu3O(7-δ) polycrystalline samples
E. Nazarova, K. Nenkov, K. Buchkov +1
I-V characteristics of polycrystalline Y(1-x)CaxBa2Cu3O(7-δ) samples (x=0.025 and 0.20) have been measured at different temperatures and magnetic fields in the range 0.1 T-6.9 T. T…
Si-induced superconductivity and structural transformations in DyRh4B4
A. Köhler, G. Behr, G. Fuchs +2
DyRh4B4 has been known to crystallize in the primitive tetragonal (pt)-structure and to exhibit a ferromagnetic transition at 12 K, the highest magnetic transition temperature in t…
Pair weakening in mixed rare-earth nickel borocarbides (R,R')Ni2B2C
J. Freudenberger, K. -H. Mueller, G. Fuchs +3
In this study pseudoquaternary rare-earth nickel borocarbide superconductors RxR'1-xNi2B2C have been investigated predominantly in the diluted limit x << 1 or (1 x) << 1. In all of…
Intergranular flux pinning in underdoped and overdoped R(1-x)CaxBa2Cu3Oz (R=Y,Gd; x=0,0.2) samples
E. K. Nazarova, A. J. Zaleski, K. A. Nenkov +1
The temperature dependences of AC magnetic susceptibility at different magnetic field amplitudes and frequencies are investigated for underdoped and overdoped R(1-x)Ca(x)Ba(2)Cu(3)…
Point-contact spectroscopy of the antiferromagnetic superconductor HoNi2B2C in the normal and superconducting state
Yu. G. Naidyuk, O. E. Kvitnitskaya, I. K. Yanson +6
Point-contact (PC) spectroscopy measurements on antiferromagnetic (AF) (T_N=5.2K) HoNi2B2C single crystals in the normal and two different superconducting (SC) states (T_c=8.5K and…
Point-contact spectroscopy of the antiferromagnetic superconductor HoNi2B2C
Yu. G. Naidyuk, O. E. Kvitnitskaya, I. K. Yanson +6
The point-contact (PC) spectroscopy study of the electron-phonon(boson) interaction (EP(B)I) spectral function in HoNi2B2C reveals phonon maxima at 16 and 22meV and 34meV. For the…