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Updated: Jun 26, 2026

Preparation of Nanoparticles for ToF-SIMS and XPS Analysis
Published on: September 13, 2020
Development of a rapid source preparation method for high-resolution alpha-particle spectrometry
H Kikunaga1, Y Kasamatsu, K Takamiya
1RIKEN (The Institute of Physical and Chemical Research), Wako, Saitama 351-0198, Japan. hkiku@chem.sci.osaka-u.ac.jp
Abstract:
In order to prepare sources of short-lived actinides for alpha-particle spectrometry, a coprecipitation method with Sm hydroxide was developed. The preparation procedure can be completed within 5 min with a high chemical yield of over 90%. It was found that the uniformity of the produced sources was sufficient to provide a high resolution of better than 20 keV. Under this method, we successfully measured the alpha-particle spectrum of short-lived Cf isotopes produced in the (238)U((12)C, xn) reaction.
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