Synthesis and Properties of Magnetoresistive (La,Sr)MnO3-Based Glass-Ceramic Borate-Matrix Compositesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Magnetic glass-ceramic borate-matrix composites containing micron-sized lanthanum strontium manganite grains have been prepared by ceramming amorphous La2O3 SrO MnOx B2O3 materials at 800 and 900 degrees C. The glass-ceramics had a magnetization of up to 48.7 A m(2)/kg in a magnetic field of 400 kA/m. Their relative magnetoresistance reached 6.2% at 290 K in a magnetic field of 80 kA/m and 16% at 77 K in a field of 160 kA/m.