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A New Method for Direct Determination of the Recoilless Fraction with Application to Magnetic Nanoparticles

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Abstract

We propose a two-lattice method for direct determination of the recoilless fraction using a single room-temperature transmission Mössbauer measurement. The method is first demonstrated for the case of iron and metallic glass two-foil system and is next generalized for the case of physical mixtures of two powders. We further apply this method to determine the recoilless fraction of hematite and magnetite particles. Finally, we provide direct measurement of the recoilless fraction in nanohematite and nanomagnetite with an average particle size of 19 nm.

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References

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Authors and Affiliations

  1. Department of Physics, Bayer Center, Duquesne University, Pittsburgh, PA, 15282, USA

    Monica Sorescu

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  1. Monica Sorescu
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Sorescu, M. A New Method for Direct Determination of the Recoilless Fraction with Application to Magnetic Nanoparticles. MRS Online Proceedings Library 721, 37 (2002). https://doi.org/10.1557/PROC-721-E3.7

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  • DOI: https://doi.org/10.1557/PROC-721-E3.7

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