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1996 | 90 | 6 | 1185-1192
Article title

Investigations of Phase Transitions in (NH_{4})_{3}H(SO_{4})_{2} Crystal by Means of Mn^{2+} EPR Spectra

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Abstracts
EN
EPR of Mn^{2+} impurity ion in the (NH_{4})_{3}H(SO_{4})_{2} crystal is studied in the temperature range 80-420 K. It is shown that Mn^{2+} substitutes NH_{4}^{+}(I) ion and is coordinated in deformed oxygen octahedron in which takes two "off-center" positions. Its spin-Hamiltonian parameters and direction cosines of crystal field are determined. The successive EPR line splitting for three phase transitions is discussed.
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Contributors
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17/19, 60-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17/19, 60-179 Poznań, Poland
References
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Publication order reference
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bwmeta1.element.bwnjournal-article-appv90z606kz
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