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- W2030608214 abstract "Measurements of the magnetic moment $ensuremath{sigma}(H, T)$ of ${mathrm{Pd}}_{1ensuremath{-}x}{mathrm{Gd}}_{x}$ alloys were made for $0.0003ensuremath{le}xensuremath{le}0.02$ in applied fields $H$ up to 215 kG and for $1.3ensuremath{le}Tensuremath{le}4.2$ K. The data were analyzed using four different formulas which permitted extrapolation of $ensuremath{sigma}$ to very large fields so that the saturation moment ${ensuremath{mu}}_{s}$ and matrix susceptibility ${ensuremath{chi}}_{mathrm{mat}}$ could be determined. Detailed data analysis shows that: (a)${ensuremath{mu}}_{s}ensuremath{simeq}frac{7{ensuremath{mu}}_{B}}{(mathrm{Gd} mathrm{atom})}$ for all the alloys studied, (b) ${ensuremath{chi}}_{mathrm{mat}}ensuremath{le}{ensuremath{chi}}_{mathrm{Pd}}$ for all the alloys and (c) the Gd moment is more difficult to saturate at large $x$. The most satisfactory fits to the data were obtained with the expression $ensuremath{sigma}={frac{ensuremath{alpha}H}{{[H(H+{H}_{0})]}^{frac{1}{2}}}}{B}_{frac{7}{2}}(Jensuremath{beta}{[H(H+{H}_{0})]}^{frac{1}{2}})+{ensuremath{chi}}_{mathrm{mat}}H$, where $ensuremath{alpha}$, $ensuremath{beta}$, ${H}_{0}$, and ${ensuremath{chi}}_{mathrm{mat}}$ are fitted parameters and ${B}_{frac{7}{2}}(y)$ is the Brillouin function for $J=frac{7}{2}$. A model is presented in which ${(H{H}_{0})}^{frac{1}{2}}$ is associated with an average anisotropy-like field transverse to the applied field. A paramagnetic Curie temperature is extracted from the parameter $ensuremath{beta}$, which also includes $sensuremath{-}f$ exchange effects. Some discrepancies with previously published results are discussed." @default.
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- W2030608214 date "1976-01-01" @default.
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- W2030608214 title "Magnetic properties of very dilute Pd(Gd) alloys" @default.
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- W2030608214 doi "https://doi.org/10.1103/physrevb.13.441" @default.
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