2017
DOI: 10.1016/j.jmmm.2016.10.141
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Processing of magnetically anisotropic MnBi particles by surfactant assisted ball milling

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Cited by 41 publications
(18 citation statements)
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“…Agglomeration of the powders forms due to the surfactant molecules exist in the powders, as shown in Figure 4b,c. As shown in Figure 4d, Mn 55 Bi 45 powders have less agglomerates, because the surfactant molecules have been adsorbed at the surface of powders [20]. As seen in Figure 5, the size of Mn 55 Bi 45 powders obtained by LEBM (without surfactant) was reduced to~14 µm,~8 µm, and~2.5 µm after 4, 10 and 14 h, respectively.…”
Section: Magnetic Properties Of Mn55bi45 Powders Obtained By Differenmentioning
confidence: 88%
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“…Agglomeration of the powders forms due to the surfactant molecules exist in the powders, as shown in Figure 4b,c. As shown in Figure 4d, Mn 55 Bi 45 powders have less agglomerates, because the surfactant molecules have been adsorbed at the surface of powders [20]. As seen in Figure 5, the size of Mn 55 Bi 45 powders obtained by LEBM (without surfactant) was reduced to~14 µm,~8 µm, and~2.5 µm after 4, 10 and 14 h, respectively.…”
Section: Magnetic Properties Of Mn55bi45 Powders Obtained By Differenmentioning
confidence: 88%
“…Moreover, the record of magnetization 71.2 emu/g has been achieved via milling for 8 h, heat treated, and ball milled for extra half an hour process. Li et al [19] studied the magnetic properties of anisotropic MnBi powders after LEBM performed in heptane, coercivity increases to 16.1 kOe at 5 h. The coercivity reaches a maximum of 16.2 kOe after 35 min of surfactant assisted low-energy ball milling (SALEBM) for MnBi particles obtained by Kanari et al [20]. There is still a room to improve the coercvity of MnBi after ball milling.…”
Section: Ofmentioning
confidence: 99%
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“…Формирование поликристаллических LT-MnBi плёнок с МВА поле отжига в Mn/Bi/Mn плёночной системе явно указывает на присутствие переходных слоёв на Bi/Mn интерфейсе. Известно, что окисление Mn оказывает негативную роль, и вызывают изменения в структурных и магнитных свойствах MnBi наночастиц [27,28] и тонких пленок [7,17,29,30]. В методе Вильямса, в котором вначале осаждался Mn, кислородные загрязнения формируют диффузионный барьер из хемосорбированного слоя или окислов на поверхности Mn плёнки, которые подавляют твёрдофазную реакцию между Mn и Bi слоями.…”
Section: обсуждение результатовunclassified
“…It has been observed [9][10][11] that the high-energy ball-milling process necessary to enhance coercivity i H c is assisted by the reduction of M s due to the decomposition of MnBi (LTP). Some other methods were also used to prepare high coercive MnBi green powders such as the mechanochemical synthesis method [12], direct chemical synthesis of MnBi particles [13]; but the they are assisted by the low value of M s ~20 emu/g.…”
Section: Introductionmentioning
confidence: 99%