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Investigation of the molybdenum oxide purification for the AMoRE experiment

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Abstract

The presented study reports on the purification of molybdenum oxide, which is one of the important tasks of the Advanced Mo based Rare process Experiment in searching for the neutrinoless double beta (0νββ) decay of 100Mo. Purified MoO3 powder is used as initial material for further growth of radiopure monocrystals. As purification technique, double sublimation, co-precipitation with calcium chloride carrier, and precipitation of polyammonium molybdate from acidic media were used. Concentrations of impurities like Sr, Ba, Pb, Th and U were measured by ICP-MS and radioactive isotopes were checked by a HPGe detector at the YangYang underground Laboratory in Korea.

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Acknowledgements

We thank J.S. Choi and D. S. Leonard for ICP-MS measurements, and W.G. Kang and G.W. Kim for the HPGe measurements. This research was funded by the Institute for Basic Science (Korea) under project code IBS-R016-D1.

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Authors and Affiliations

  1. Center for Underground Physics, IBS, 70, Yuseong-daero 1689-gil, Yuseong-gu, Daejeon, 34047, Korea

    Olga Gileva, Yeongduk Kim, HyangKyu Park & KeonAh Shin

  2. Department of Physics, Kyungpook National University, 80, Daehakro, Bukgu, Daegu, 41566, Korea

    Pabitra Aryal, Sujita Karki & HongJoo Kim

  3. Froumkin’s Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences (IPCE RAS), 31 Leninsky Prospect, Moscow, Russia, 119071

    Vitaly Milyutin

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  1. Olga Gileva
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  2. Pabitra Aryal
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  3. Sujita Karki
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  4. HongJoo Kim
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  5. Yeongduk Kim
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  6. Vitaly Milyutin
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  7. HyangKyu Park
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  8. KeonAh Shin
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Correspondence to HyangKyu Park.

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Gileva, O., Aryal, P., Karki, S. et al. Investigation of the molybdenum oxide purification for the AMoRE experiment. J Radioanal Nucl Chem 314, 1695–1700 (2017). https://doi.org/10.1007/s10967-017-5568-4

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  • DOI: https://doi.org/10.1007/s10967-017-5568-4

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