TY - JOUR
T1 - Investigation of the magnetic and superconducting properties of (Er1-xHox)Rh4B4
AU - Lynn, J. W.
AU - Shelton, R. N.
AU - Horng, H. E.
AU - Glinka, C. J.
N1 - Funding Information:
Work at Maryland was supported by the National Science Foundation, DMR 82-07958. Work at Ames was supported by the Department of Energy under contract W-7405-ENG-82.
PY - 1983/5
Y1 - 1983/5
N2 - Neutron scattering, susceptibility and resistivity measurements have been carried out for the system (Er1-xHox)Rh4B4 near the multicritical point where the magnetic and superconducting phase boundaries converge (x {reversed tilde equals} 0.9). On the Ho rich side (x > xc) no superconducting state is observed, whereas for x < xc there is a temperature interval T2c < T < Tc1 ere superconductivity exists. For all concentrations studied a transition to a long-range ordered ferromagnet is observed, with the Ho moments ordering along the tetragonal axis. The behavior of the order parameter is mean-field like, indicating that the range of the magnetic interactions is large. For x≈xc the ferromagnetic transition appears to be continuos, and occurs within the superconducting phase, suggesting the coexistence of ferromagnetic order and superconductivity. Below Tm strongly temperature dependent small angle scattering is observed, characterized by a cross section of the Porod form S(Q) = A(T)/Q4. The strength of the scattering A(T) increases monotonically with decreasing temperature.
AB - Neutron scattering, susceptibility and resistivity measurements have been carried out for the system (Er1-xHox)Rh4B4 near the multicritical point where the magnetic and superconducting phase boundaries converge (x {reversed tilde equals} 0.9). On the Ho rich side (x > xc) no superconducting state is observed, whereas for x < xc there is a temperature interval T2c < T < Tc1 ere superconductivity exists. For all concentrations studied a transition to a long-range ordered ferromagnet is observed, with the Ho moments ordering along the tetragonal axis. The behavior of the order parameter is mean-field like, indicating that the range of the magnetic interactions is large. For x≈xc the ferromagnetic transition appears to be continuos, and occurs within the superconducting phase, suggesting the coexistence of ferromagnetic order and superconductivity. Below Tm strongly temperature dependent small angle scattering is observed, characterized by a cross section of the Porod form S(Q) = A(T)/Q4. The strength of the scattering A(T) increases monotonically with decreasing temperature.
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U2 - 10.1016/0378-4363(83)90380-7
DO - 10.1016/0378-4363(83)90380-7
M3 - Article
AN - SCOPUS:0020126110
SN - 0378-4363
VL - 120
SP - 224
EP - 226
JO - Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics
JF - Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics
IS - 1-3
ER -