Effect of 50 MeV Li+3 ion beam irradiation on structural and magnetic properties of Zn0.96 Mn0.04 O powder
作者： S. K. Neogi , R. Karamakar , Aritra Banerjee , S. Bandyopadhyay
DOI: 10.1080/10420150.2013.778856
关键词: Antiferromagnetism 、 Magnetic moment 、 Rietveld refinement 、 Materials science 、 Ferromagnetism 、 Irradiation 、 Impurity 、 Magnetization 、 Condensed matter physics 、 Superparamagnetism
摘要: The present work aims to study the effect of 50 MeV Li+3 ion beam irradiation on structural, morphological and magnetic properties Zn0.96Mn0.04O samples. samples were synthesized by solid-state reaction technique. exhibit impurity phase upon it disappears. Rietveld refinement analysis indicates that substitutional incorporation Mn in host lattice increases with irradiation. Field-dependent magnetization (M–H) measurement explicitly ferromagnetic nature at room temperature. variation observed temperature-dependent (M–T) (500 Oe) ferromagnetism system seems be mainly intrinsic, though superparamagnetic nanoparticles also has a minor role. M–T data comparatively high field (5000 Oe) provides an estimation antiferromagnetic exchange, which acts as reducing agent for moment. value saturation been incr...
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