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Fourier-transform infrared spectroscopy (FTIR) and secondary-ion mass spectrometry (SIMS) have been employed to investigate the relation between the Li concentration and the strength of the 3577 cm−1 absorption line in five as-grown hydrothermal ZnO wafers. This line has previously been identified as a local vibrational mode of an OH molecule adjacent to a Li atom on the Zn-site. In this work, we...
Skutterudites, with rattler atoms introduced in voids in the crystal unit cell, are promising thermoelectric materials. We modify the binary skutterudite with atomic content Co 8 P 24 in the cubic crystal unit cell by adding La as rattlers in all available voids and replacing Co by Fe to maintain charge balance, resulting in La 2 Fe 8 P 24 . The intention is...
The orientation relationship between ferroelastic domains in LaNbO 4 (with 0.5 at.% Sr) is studied by selected area electron diffraction and high-resolution electron microscopy. At room temperature the domains are related through a simple rotation of approximately 95° about the monoclinic [010] axis, and the interface between two adjacent domains is highly ordered. The domain boundary is found...
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