Explanation of magnetic behavior in Ru-based superconducting ferromagnets

R Nigam, AV Pan, SX Dou - Physical Review B—Condensed Matter and …, 2008 - APS
We have investigated RuSr 2 Eu 1.5 Ce 0.5 Cu 2 O 10 (Ru-1222) and RuSr 2 EuCu 2 O 8
(Ru-1212) samples by using x-ray diffraction, scanning electron microscopy, dc …

Magnetic and superconducting properties of samples: Dependence on the oxygen content and aging effects

CA Cardoso, AJC Lanfredi, AJ Chiquito… - Physical Review B …, 2005 - APS
The magnetic and superconducting properties of Ru Sr 2 Gd 1.5 Ce 0.5 Cu 2 O 10− δ
polycrystalline samples with different oxygen-doping levels are presented. A strong …

Possible competition between superconductivity and magnetism in ruthenocuprate compounds

VPS Awana, MA Ansari, A Gupta, RB Saxena… - Physical Review B …, 2004 - APS
The RuSr 2 Gd 1.5 Ce 0.5 Cu 2 O 10− δ (Ru-1222) compounds, with varying oxygen
content, crystallize in a tetragonal crystal structure (space group I 4∕ mmm). Resistance (R) …

Effect of Nb doping on superconducting and magnetic properties of RuSr2 (Gd1. 5− yEuyCe0. 5) Cu2Oz

HK Lee, GVM Williams - Physica C: Superconductivity, 2004 - Elsevier
We performed resistivity and magnetization measurements on the ruthenocuprates (Ru1−
xNbx) Sr2 (Gd1. 4Ce0. 6) Cu2Oz (x= 0–0.5) and (Ru0. 5Nb0. 5) Sr2 (Gd1. 5− yEuyCe0. 5) …

Influence of sintering temperature on thermopower and hardness of RuSr2GdCu2O8

SA Saleh, SM Khalil, EMM Ibrahim - … Science and Technology, 2007 - iopscience.iop.org
The structural, mechanical and transport properties of RuSr 2 GdCu 2 O 8 sintered between
1000 and 1065 C in O 2 atmosphere have been studied by XRD, microhardness and …

Magneto-superconductivity of rutheno-cuprates

VPS Awana - Frontiers in magnetic materials, 2005 - Springer
Co-existence of superconductivity and magnetism (in particular the ferromagnetism) has
been a point of discussion over decades [1, 2]. The two phenomenon being co-existing with …

Magnetic properties of the RuSr2Ln1. 5Ce0. 5Cu2O10− δ (Ln= Y, Ho and Dy) and RuSr2YCu2O8− δ rutheno-cuprate families: a comparative study

CA Cardoso, FM Araujo-Moreira, VPS Awana… - Physica C …, 2004 - Elsevier
The magnetic behavior of polycrystalline samples of the magneto-superconductors
RuSr2Ln1. 5Ce0. 5Cu2O10− δ (LnRu-1222, Ln= Y, Ho and Dy) and RuSr2YCu2O8− δ (YRu …

Magnetism, upper critical field and thermoelectric power of the magnetosuperconductor RuSr2Eu1. 5Ce0. 5Cu2O10− δ

R Lal, VPS Awana, M Peurla, R Rawat… - Journal of Physics …, 2006 - iopscience.iop.org
The magnetic susceptibility, M–H plot, magnetoresistance and thermoelectric power of the
RuSr 2 Eu 1.5 Ce 0.5 Cu 2 O 10− δ superconductor are measured. Values of the magnetic …

Two-dimensional frustrated magnetic state in superconducting

S Garcia, L Ghivelder, I Felner - Physical Review B—Condensed Matter and …, 2009 - APS
In this paper we investigate the magnetic state and the role of the crystalline structure in
RuSr 2 Eu 1.5 Ce 0.5 Cu 2 O 10 (Ru-1222). Measurements were made in the isomorphic …

Superconducting and magnetic behaviour of niobium doped RuSr2Gd1. 5Ce0. 5Cu2O10− δ

CA Cardoso, FM Araujo-Moreira… - Journal of Physics …, 2007 - iopscience.iop.org
Polycrystalline samples of Ru 1− x Nb x Sr 2 Gd 1.5 Ce 0.5 Cu 2 O 10− δ, 0≤ x≤ 0.5, have
been synthesized and structurally characterized by x-ray diffraction (XRD). Resistivity …