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Measuring the Spin-Lattice Relaxation Magnetic Field Dependence of Hyperpolarized [1-13C]pyruvate
Published on: September 13, 2019
Spin-lattice correlation in Eu3+ doped antiferromagnet TmFeO3
Poorva Sharma1, Arvind Yogi2, Ashwini Kumar3
1Department of Physics, International Center for Quantum and Molecular Systems, Materials Genome Institute, Shanghai University, Shangda Road 99, Shanghai, 200444, China. sxcao@shu.edu.cn renwei@shu.edu.cn and Department of Applied Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.
Abstract:
We report the physical properties of Eu-doped bulk TmFeO3 through X-ray diffraction, magnetic susceptibility (χ), Raman scattering and X-ray absorption spectroscopy (XAS) study, which shows a similar orthorhombic structure with the Pbnm space group as TmFeO3. Magnetic measurement on Eu-doped TmFeO3 provides evidence for spin reorientations of Fe3+. Further, the Raman spectra of Eu3+ doped TmFeO3 show significant changes in Raman modes as a function of temperature, which are evidence for strong spin-lattice interaction. From the XAS spectra, the L-edge of Fe provides information on the valence state of Fe, whereas the K-edge of oxygen shows that the compound has a strong influence on the hybridization of the O(2p) state with the 3d states of Fe.
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