Coexistence of charge density wave and incommensurate antiferromagnetism in the cubic phase of DyGe2.85 synthesised under high pressureстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:A novel metastable phase of DyGe2.85 synthesised in the AuCu3-structure under high pressure, has been studied by means of the magnetic susceptibility and electrical resistivity
measurements (under the pressure P < 3.1 GPa), neutron powder diffraction and
time-differential gamma-gamma perturbed angular correlations (TDPAC) using 111Cd nuclear probes.
Two distinct phase transitions have been found in this compound as the temperature is lowered.
We assign the first transition occurring at the temperature T_CDW = 80 K with charge density wave formation and the second transition at T_N = 18 K with an antiferromagnetic spiral ordering of Dy magnetic moments, and discuss a close relationship between them.