نتایج جستجو برای: doped lanthanum manganite
تعداد نتایج: 51809 فیلتر نتایج به سال:
We have uncovered a giant gyrotropic magneto-optical response for doped ferromagnetic manganite La_{2/3}Ca_{1/3}MnO_{3} around the near room-temperature paramagnetic-to-ferromagnetic transition. At odds with current wisdom, where this response is usually assumed to be fundamentally fixed by the electronic band structure, we point to the presence of small polarons as the driving force for this u...
La0.67LixTi1-xAlxO3 ceramics (x = 0.05, 0.10, 0.15, 0.20, 0.25, 0.30) were synthesized with the use of Al2O3 and an aqueous solution Al(NO3)3 as aluminium source. In both cases, preserve a high dielectric constant ε ~ 105. It was found that single-phase perovskite structure is formed at temperatures above 1200 C. shown allows simplifying synthesis: reduction in sintering temperature by 20 C, Li...
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