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Title: Paramagnetism of Cu3RE2W4O18 semiconductors (RE = Gd, Dy-Er)
Authors: Groń, Tadeusz
Tomaszewicz, E.
Duda, Henryk
Mazur, S.
Keywords: półprzewodniki magnetyczne; paramagnetyzm; podatność magnetyczna; momenty nasycenia
Issue Date: 2013
Citation: Acta Physica Polonica A, Vol. 124, nr 5 (2013), s. 885-887
Abstract: Cu3RE2W4O18 tungstates (RE = Gd, Dy Er) are paramagnets in the temperature range 4.2 300 K visible also in the absence of the energy losses in the curve of the imaginary part of magnetic susceptibility, 00. The negative values of the paramagnetic Curie Weiss temperature, , may suggest the weak antiferromagnetic coupling below 4.2 K. The temperature independent component of magnetic susceptibility has a positive value indicating a domination of the Van Vleck contribution. Calculations of the e ective number of the Bohr magnetons revealed that the orbital contribution to the magnetic moment comes mainly from the RE3+ ions.
DOI: 10.12693/APhysPolA.124.885
ISSN: 0587-4246
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