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Số người truy cập: 107,088,905

 THE INFLUENCE OF Ba ON THE STRUCTURE AND MAGNETIC PROPERTIES OF La0.5Pr0.5)1-xBaxMnO3 SYSTEM
Tác giả hoặc Nhóm tác giả: Nguyen Thi My Duc, Nguyen Thi Khanh Van, Makio Kurisu, Kensuke Konishi, Ngo Thu Huong
Nơi đăng: JOURNAL OF SCIENCE OF HNUE: Material Science; Số: Vol. 61, No. 9A;Từ->đến trang: 90-97;Năm: 2016
Lĩnh vực: Khoa học công nghệ; Loại: Bài báo khoa học; Thể loại: Trong nước
TÓM TẮT
ABO3 is the structure of perovskite. For perovskite manganites, the position B is
elemental Mn. The doped with the element into position A (usually the rare earth elements) or
some elements in position B can lead to large changes in crystal structure and lead to change
the magnetic properties from antiferromagnetic to ferromagnetic or paramagnetic. In this
paper, we reported the preparing and investigation the influence of Ba on the crystal structure
and magnetic properties for (La0.5Pr0.5)1-xBaxMnO3 system (with x = 0.0  0.5). The crystal
structure of these samples was investigated. The magnetic property of these samples is shown.
At low Ba-doped concentrations, they are paramagnetic at room temperature; at high Ba-doped
concentration, they are ferromagnetic. The maximum value of magnetization increases when
the concentration of Ba increasing at H = 12 kOe. The effective magnetic moment of this
system was determined. When concentration of Ba increasing, the value of the effective
magnetic moment decreases.
ABSTRACT
ABO3 is the structure of perovskite. For perovskite manganites, the position B is
elemental Mn. The doped with the element into position A (usually the rare earth elements) or
some elements in position B can lead to large changes in crystal structure and lead to change
the magnetic properties from antiferromagnetic to ferromagnetic or paramagnetic. In this
paper, we reported the preparing and investigation the influence of Ba on the crystal structure
and magnetic properties for (La0.5Pr0.5)1-xBaxMnO3 system (with x = 0.0  0.5). The crystal
structure of these samples was investigated. The magnetic property of these samples is shown.
At low Ba-doped concentrations, they are paramagnetic at room temperature; at high Ba-doped
concentration, they are ferromagnetic. The maximum value of magnetization increases when
the concentration of Ba increasing at H = 12 kOe. The effective magnetic moment of this
system was determined. When concentration of Ba increasing, the value of the effective
magnetic moment decreases.
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