Please wait a minute...
金属学报  1994, Vol. 30 Issue (15): 116-120    
  论文 本期目录 | 过刊浏览 |
Fe-Dy非晶膜晶化过程中结构及磁性变化
王佩璇;李胜利;张国光;张建伟;马如璋
北京科技大学
CHANGES IN STRUCTURE AND MAGNETIC PROPERTIES OF AMORPHOUS Fe-Dy MULTILAYERS DURING CRYSTALLIZATION
WANG Peixuan;LI Shengli;ZHANG Guoguang; ZHANG Jianwei; MA Ruzhang (University of Science and Technology Beijing)
引用本文:

王佩璇;李胜利;张国光;张建伟;马如璋. Fe-Dy非晶膜晶化过程中结构及磁性变化[J]. 金属学报, 1994, 30(15): 116-120.
, , , , . CHANGES IN STRUCTURE AND MAGNETIC PROPERTIES OF AMORPHOUS Fe-Dy MULTILAYERS DURING CRYSTALLIZATION[J]. Acta Metall Sin, 1994, 30(15): 116-120.

全文: PDF(328 KB)  
摘要: 用真空双源蒸镀法在NaCl和Si单晶衬底上制备Fe,Dy成分调制多层膜.研究了非晶膜晶化过程,等温退火后多层膜结构及磁性变化。结果表明,在200℃以下退火,其沉积态非晶和成分调制结构几乎不变;300℃开始晶化,首先出现Fe晶核,随温度升高,Fe,Dy逐步晶化,600℃全部形成晶态bcc-Fe和hcp-Dy.饱和磁化强度Ms对非晶Fe,Dy膜晶化时Fe晶核的形成十分散感,而只有Fe晶粒的长大才导致矫顽力Hc增加.
关键词 Fe-Dy多层膜晶化非晶膜磁性    
Abstract:Fe-Dy compositionally modulated films were prepared by alternating evaporation of the two elements onto Si and NaCl single crystal substrates. The crystallization of amorphous films was analyzed in situ at the TEM hot stage. The changes in structure and magnetic properties of the films after annealing under vacuum were studied by X-ray diffraction and magnetic measurements. After annealing at temperature below 200℃ for 30 min, the amorphous state and the modulated structure of as-deposited samples remain basically unchanged. After annealing at temperatures≥300℃ for 30 min, the amorphous films become gradually crystallized, and completely crystallized up to 600℃ .Meanwhile,Ms of films is very sensitive to forming bcc-Fe nuclei. However the growth of these nuclei affects directly on the values of Hc.
Key wordsFe-Dy multilayer    crystallization    amorphous film    magnetic property
    
1ShanZS,SellmyerDJ.JApplPhys,1988;64:57452SellmyerDJ,ZhaoZR,ShanZS,NafisS.JApplPhys.1987;6l:43233ShanZS,ZhaoZR,ZhaoJG,SelleyerDJ.JApplPhys,1987;6l:43204YodenK,HosoitoN,KawaguchiK,MibuK,ShinjoT.JpnJApplPhys.1988;27:16805HosoitoN,YodenK,ShinjoT,EndohY.JPhysSocJpn,1989;58:2916
[1] 张德印, 郝旭, 贾宝瑞, 吴昊阳, 秦明礼, 曲选辉. Y2O3 含量对燃烧合成Fe-Y2O3 纳米复合粉末性能的影响[J]. 金属学报, 2023, 59(6): 757-766.
[2] 刘路军, 刘政, 刘仁辉, 刘永. Nd90Al10 晶界调控对晶界扩散磁体磁性能和微观结构的影响[J]. 金属学报, 2023, 59(11): 1457-1465.
[3] 郭璐, 朱乾科, 陈哲, 张克维, 姜勇. Fe76Ga5Ge5B6P7Cu1 合金的非等温晶化动力学[J]. 金属学报, 2022, 58(6): 799-806.
[4] 李金富, 李伟. 铝基非晶合金的结构与非晶形成能力[J]. 金属学报, 2022, 58(4): 457-472.
[5] 张金勇, 赵聪聪, 吴宜谨, 陈长玖, 陈正, 沈宝龙. (Fe0.33Co0.33Ni0.33)84 -x Cr8Mn8B x 高熵非晶合金薄带的结构特征及其晶化行为[J]. 金属学报, 2022, 58(2): 215-224.
[6] 韩录会, 柯海波, 张培, 桑革, 黄火根. 非晶态U60Fe27.5Al12.5 合金的晶化动力学行为[J]. 金属学报, 2022, 58(10): 1316-1324.
[7] 项兆龙, 张林, XIN Yan, 安佰灵, NIU Rongmei, LU Jun, MARDANI Masoud, HAN Ke, 王恩刚. Cr含量对FeCrCoSi永磁合金调幅分解组织及其性能的影响[J]. 金属学报, 2022, 58(1): 103-113.
[8] 于雷,罗海文. 部分再结晶退火对无取向硅钢的磁性能与力学性能的影响[J]. 金属学报, 2020, 56(3): 291-300.
[9] 王祖敏,张安,陈媛媛,黄远,王江涌. 金属诱导晶化基础与应用研究进展[J]. 金属学报, 2020, 56(1): 66-82.
[10] 白静, 石少锋, 王锦龙, 王帅, 赵骧. Ni-Mn-Ga-Ti铁磁形状记忆合金的相稳定性和磁性能的第一性原理计算[J]. 金属学报, 2019, 55(3): 369-375.
[11] 杨高林, 林鑫, 卢献钢. 激光多次熔凝Zr55Cu30Al10Ni5非晶合金的晶化形态与演化机理[J]. 金属学报, 2019, 55(12): 1544-1550.
[12] 金辰日, 杨素媛, 邓学元, 王扬卫, 程兴旺. 纳米晶化对锆基非晶合金动态压缩性能的影响[J]. 金属学报, 2019, 55(12): 1561-1568.
[13] 何贤美, 童六牛, 高成, 王毅超. Nd含量对磁控溅射Si(111)/Cr/Nd-Co/Cr薄膜结构与磁性的影响[J]. 金属学报, 2019, 55(10): 1349-1358.
[14] 黄俊, 罗海文. 退火工艺对含Nb高强无取向硅钢组织及性能的影响[J]. 金属学报, 2018, 54(3): 377-384.
[15] 孙亚超, 朱明刚, 韩瑞, 石晓宁, 俞能君, 宋利伟, 李卫. 各向异性稀土永磁薄膜的磁黏滞性[J]. 金属学报, 2018, 54(3): 457-462.