Pinned and entropic disordering of mixed spinel ferrite Ga0.8Fe0.2NiCrO4 |
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| Affiliation: | 1. Tata Institute of Fundamental Research, Bombay 400005, India;2. Service de Physique du Solide et de Résonance Magnétique, CEN Saclay, 91191 Gif-sur-Yvette Cedex, France;3. Centre de Recherches Nucléaires, 67037 Strasbourg Cedex, France |
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| Abstract: | Mössbauer and magnetic hysteresis measurements (T=1.4 K and H=-12 to+12 kOe) confirm the existence of pinned and entropic spins in the frustrated disordered spinel ferrite (Ga3+0.8Fe3+0.2) [Ni2+Cr3+]O4, as suggested by earlier studies. |
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