基于量子理论计算了不同方向上HoIG中不同晶位上Ho3+离子的磁矩,继而求平均分别得到了[111],[110],[100]三个方向上在T=150～4.2K温度范围内HoIG中Ho3+离子的自发磁矩.计算结果显示Ho3+离子自发磁矩在低温下(T＜100K)明显出现了各向异性,并且随着温度的降低各向异性现象越来越明显,与实验结果符合较好,在理论上对HoIG中Ho3+离子自发磁矩在低温下出现各向异性现象做出了解释.
参考文献
| [1] | Jiehui Yang;You Xu;Fang Zhang;M Guillot .[J].Physical Review,1997,56:11119. |
| [2] | Fang Zhang;You Xu;Jiehui Yang;M Guillot .[J].Journal of Physics:Condensed Matter,2000,12:7287. |
| [3] | Jiehui Yang;You Xu;M Guillot .[J].Journal of Physics:Condensed Matter,1999,11:3299. |
| [4] | Jiehui Yang;You Xu;Fang Zhang;M Guillot .[J].Journal of Physics:Condensed Matter,2006,18:1. |
| [5] | F W Harrison;J F A Thompson;G K Lang .[J].Journal of Applied Physics,1965,36:1014. |
| [6] | M Fadly;M Guillot;P Feldmann;H Le Gall H Makram .[J].Journal of Applied Physics,1979,50:2109. |
| [7] | J Ostoréro;M Guillot .[J].Journal of Applied Physics,1994,75:6792. |
| [8] | M Guillot;F Tchéou;A Marchand;P Feldmann .[J].Journal of Magnetism and Magnetic Materials,1983,31-34:631. |
| [9] | M Guillot;A Marchand;F Tchéou;P Feldmann .[J].Journal of Applied Physics,1982,53:2719. |
| [10] | V Nekvasil;M Guillot;A Marchand;F Tchéou .[J].Journal of Physics C:Solid State Physics,1985,18:3551. |
| [11] | L F Johnson;J F Dillon,Jr;J P Remeika .[J].Journal of Applied Physics,1969,40:1499. |
| [12] | M Guillot;P Feldmann;H Le Gall;M Fadly .[J].IEEE Transactions on Magnetics,1978,14:909. |
| [13] | R L Gonano;E Hunt;H Meyer .[J].Physical Review,1967,156:521. |
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