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Using spark plasma sintering we have processed and studied two ceramic composites of 70 vol% BaTiO3 (BTO) and 30 vol% NiO with standard and core-shell microstructure. Quantitative broadband dielectric spectroscopy up to the infrared range at 10-450 K showed substantial differences between both composites. The evaluated dielectric spectra revealing all three ferroelectric phase transitions were compared...
In Anagyris foetida, the fruits are disseminated by fall under gravity. No dispersing agent is as yet known, so that the fruits are located near the mother plant. The species presents an important seed bank that differs between the two populations studied, probably due to their different production of seeds/individual and to the livestock pressure. The germination of control seeds was found to be...
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