| Ni/NiO界面的高场磁化研究 |
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| 引用本文： | 王文鼐,蒋正生,桑海,程光熙,葛翔,都有为.Ni/NiO界面的高场磁化研究[J].物理学报,1996,45(1):140-145. |
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| 作者姓名： | 王文鼐 蒋正生 桑海 程光熙 葛翔 都有为 |
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| 作者单位： | 南京大学固体微结构国家重点实验室,微结构科学技术高等研究中心 |
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| 摘 要： | 报道在表面包覆ＮｉＯ的Ｎｉ超微颗粒和Ｎｉ／ＮｉＯ多层膜中Ｎｉ／ＮｉＯ界面的磁性实验结果．在Ｔ＜８０Ｋ下Ｎｉ／ＮｉＯ界面存在较大的磁化强度（Ｈ＝４０kＯｅ），并随温度上升而快速下降．对高场磁化（５－６５kＯｅ）实验数据进行拟合，结果表明Ｎｉ／ＮｉＯ界面存在类似磁矩排列不一致的结构．
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| 关 键 词： | 多层膜 镍／氧化镍 界面 磁化强度 |
| 收稿时间： | 1994-09-28 |
APPROCHING TO SATURATION OF Ni/NiO INTERFACE |
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| WANG WEN-NAI,JIANG ZHENG-SHENG,SANG HAI,CHENG GUANG-XU,GE XIANG and DU YOU-WEI.APPROCHING TO SATURATION OF Ni/NiO INTERFACE[J].Acta Physica Sinica,1996,45(1):140-145. |
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| Authors: | WANG WEN-NAI JIANG ZHENG-SHENG SANG HAI CHENG GUANG-XU GE XIANG and DU YOU-WEI |
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| Abstract: | The magnetic properties investigated by experiment on the Ni/NiO interface of Ni/NiO multi-thin layers and surface-NiO-coated Ni ultra fine particles are reported. At temperatures below 80 K, an abnormal enhanced magnetization under external magnetic field (H = 40kOe) was found. The enhanced magnetization decreases quickly with temperature increasing.The high field (5-65 kOe) magnetization (approching to saturation) of ultrafine particles and multi-thin layers were also measured. The fit results for experimental data indicate that the interface Ni/NiO in Ni/NiO UFP and Ni/NiO ML have inhomogenous spin structure. |
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