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Low temperature Mössbauer experiments were performed in Fe-doped and in C-deficiency MgCNi3. No magnetic moment was found for Fe in MgC(Ni0.99Fe0.01)3 sample and no magnetic hf field was observed at any temperature for all the samples. These results shown no evidence of magnetic fluctuation or magnetic ordering influencing the depress of superconductivity in hole-doped MgCNi3.
This paper is a review of the current status about the remaining problems that are found in the investigation of the Quaternary Argentine soils and loessic sediments, and the way that Mössbauer studies can assist in solving them. There are two main types of investigations that make use of the magnetic response of the samples to correlate them with information gathered by other methods. On the one...
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