tailieunhanh - Summary Of Material Science Doctoral Thesis: Study of phase transition, magnetic order and magnetocaloric effect in perovskite material systems based on La0,7A0,3MnO3 (A = Ca, Sr, Ba)

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Summary Of Material Science Doctoral Thesis: Study of phase transition, magnetic order and magnetocaloric effect in perovskite material systems based on La0,7A0,3MnO3 (A = Ca, Sr, Ba)

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Research objectives of the thesis: Clarification influence of the elements Na, Sr and Ba substituting for La/Ca and crystal size on the magnetic properties, phase transition and magnetocaloric effects of La0,7Ca0,3MnO3 materials. Found the materials for significant mmagnetocaloric parameters have potential for applications in magnetic refrigeration.Determine the effect of replacing Sr/Ba for Ca in La0,7Ca0,3MnO3 and Co substituting for Mn in La0,7Sr0,3MnO3 on their critical behavior as well as the ferromagnetic interactions order. |

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Summary Of Material Science Doctoral Thesis: Study of phase transition, magnetic order and magnetocaloric effect in perovskite material systems based on La0,7A0,3MnO3 (A = Ca, Sr, Ba)

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