| Hexagonal Ferrite에 관한 연구 (I) Ferroxplana $Zn_{I-X}$$Mn_X$Y($Ba_2$$Zn_{2(1-X)}$$Mn_{2X}$$Fe_12$$O_22$)의 자성 |
| 김태옥 |
| 부산대학교 공과대학 |
| Studies on the Hexagonal Ferrites (I) The Magnetic Properties ofFerroxplana $Zn_{I-X}$$Mn_X$Y($Ba_2$$Zn_{2(1-X)}$$Mn_{2X}$$Fe_12$$O_22$) |
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| ABSTRACT |
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The magnetic properties, especially the magnetostriction, of ferroxplana $Zn_{1-x}$$M_X$Y(x=0.0, 0.2, 0.4, 0.6) were investigated at room temperature. In general, the Curie temperature and the permeability of ferroxplana $Zn_{1-X}$$Mn_X$Y increased while the amount of the other phase decrease with increased concentration of dopant $Mn^{2+} for $Zn^{2+}. The magnetostriction constnats K1, K2, K3 and K4 for ZnY were ＋0.3, -5.0, -4.3 and $-4.8{times}$$10^{-6} while that for 4Zn^0.8$ $Mn^0.2$Y were ＋2.5, -5.4, -6.0 and $-3.4{times}10^{-6}$, respectively. |
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