Spin-lattice correlation in Eu3+ doped antiferromagnet TmFeO3.
作者： Poorva Sharma , Arvind Yogi , Ashwini Kumar , Rubin Li , Gaurav Sharma
DOI: 10.1039/C9CP02770J
关键词: X-ray absorption spectroscopy 、 Raman spectroscopy 、 Absorption spectroscopy 、 Valence (chemistry) 、 Materials science 、 Antiferromagnetism 、 Orthorhombic crystal system 、 Condensed matter physics 、 Raman scattering 、 Magnetic susceptibility
摘要: We report the physical properties of Eu-doped bulk TmFeO3 through X-ray diffraction, magnetic susceptibility (χ), Raman scattering and absorption spectroscopy (XAS) study, which shows a similar orthorhombic structure with Pbnm space group as TmFeO3. Magnetic measurement on provides evidence for spin reorientations Fe3+. Further, spectra Eu3+ doped show significant changes in modes function temperature, are strong spin–lattice interaction. From XAS spectra, L-edge Fe information valence state Fe, whereas K-edge oxygen that compound has influence hybridization O(2p) 3d states Fe.
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