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- 1. Phys. Rev. B 73, 184105 (2006) , “Iron-oxygen vacancy defect association in polycrystalline iron-modified PbZrO3 antiferroelectrics: Multifrequency electron paramagnetic resonance and Newman superposition model analysis”, Hrvoje Metri, Rüdiger-A. Eichel, Klaus-Peter Dinse, Andrew Ozarowski, Johan van Tol, Louis Claude Brunel, Hans Kungl, Michael J. Hoffmann, Kristin A. Schönau, Michael Knapp, and Hartmut FuessBy utilizing multifrequency electron paramagnetic resonance (EPR) spectroscopy, the iron functional center in Fe3+-modified polycrystalline lead zirconate (PbZrO3) was studied. The single phase polycrystalline sample remained orthorhombic and antiferroelectric down to 20 K as... (Read more)
- 2. Appl. Phys. Lett. 87, 022903 (2005) , “Electron spin resonance investigation of oxygen-vacancy-related defects in BaTiO3 thin films”, V. V. Laguta, A. M. Slipenyuk, I. P. Bykov, M. D. Glinchuk, M. Maglione, D. Michau, J. Rosa, L. JastrabikThe Ti3+ center, based on a regular Ti site perturbed by an oxygen vacancy (VO), is identified by electron spin resonance (ESR) in textured BaTiO3 films. The center shows tetragonal symmetry along cubic 100 axes with g-factors: g=1.997,... (Read more)
- 3. J. Appl. Phys. 80, 5234 (1996) , “Electron paramagnetic resonance of Nb-doped BaTiO3 ceramics with positive temperature coefficient of resistivity”, S. Jida, T. MikiParamagnetic centers in Nb-doped BaTiO3 ceramics are measured at 77500 K by electron paramagnetic resonance (EPR) for investigating the role of the centers on the well-known positive temperature coefficient of resistivity (PTCR) effect (PTCR at the Curie temperature). EPR detects... (Read more)
- 4. J. Appl. Phys. 79, 9250 (1996) , “Defect-dipole alignment and tetragonal strain in ferroelectrics”, W. L. Warren, G. E. Pike, K. Vanheusden, D. Dimos, B. A. Tuttle, J. RobertsonWe show the alignment of defect dipoles along the direction of the spontaneous polarization in polycrystalline Pb(Zr,Ti)O3 and BaTiO3 ferroelectric ceramics using electron paramagnetic resonance (EPR). The alignment is demonstrated via orientation dependent paramagnetic centers... (Read more)
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Updated at 2010-07-20 16:50:39
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