A Mössbauer Effect Study of the Manganese-rich Y₆(Fe₁₋ₓMnₓ)₂₃ Compounds
A Mössbauer effect spectral study of Y6[Fe0.1Mn0.9]23 and Y6[Fe0.2Mn0.8]23 indicated no internal hyperfine field and hence no spontaneous long-range magnetic ordering at temperatures from 300- 1.5 K. The same result was obtained at 4.2 K in applied magnetic fields of up to 6 T. The maximum possible spontaneous magnetic moment on the iron is less than 0.03 μβ. The absence of spontaneous ordering is a result of the disruption of manganese-manganese interactions by the iron.
G. J. Long et al., "A Mössbauer Effect Study of the Manganese-rich Y₆(Fe₁₋ₓMnₓ)₂₃ Compounds," Solid State Communications, Elsevier, Jan 1980.
The definitive version is available at http://dx.doi.org/10.1016/0038-1098(80)90404-4
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