Magnetic Properties of an Intercalate Mn0.86PS3(ET)0.46: An ESR Study
作者： Y. Köseoğlu , F. Yıldız , B. Aktaş
DOI: 10.1007/978-1-4020-2200-5_14
关键词: Condensed matter physics 、 Ion 、 Phase (matter) 、 Paramagnetism 、 Materials science 、 Electron paramagnetic resonance 、 Ferromagnetism 、 Magnetization 、 Atmospheric temperature range 、 Frustration
摘要: MnPS3 intercalated with BEDT-TTF (ET) has been studied by Electron Spin Resonance (ESR) technique in the temperature range of 10–300K. A single and symmetric ESR peak was observed. The is much narrower than expected from paramagnetic Mn2+ ion. signal intensity, line width effective g-value were observed to change dramatically at about 45 K, indicating a magnetic phase transition. That is, while intensity monotonically increased until critical Tc=45 both remain almost constant above Tc. However, very sharp decrease accompanied broadening below Tc, indicates strong spin frustration lower temperatures. Some small relatively smooth changes also occurred 30 100 K 170 K. magnetization however starts increase again line-width decreases decreasing temperature. This points onset second transition toward ferromagnetic phase.
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