A dc SQUID-based magnetic microscope study of the magnetic properties of the Ni thin films

被引:1
作者
Gudoshnikov, SA [1 ]
Ukhansky, NN [1 ]
Vengrus, II [1 ]
Andreev, KE [1 ]
Tishin, AM [1 ]
Snigirev, OV [1 ]
机构
[1] MOSCOW MV LOMONOSOV STATE UNIV, DEPT PHYS, MOSCOW 119899, RUSSIA
关键词
D O I
10.1109/77.621757
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We have applied a developed HTS de SQUID based magnetic microscope far study of the magnetic properties of ultrathin Ni films. A magnetic moment sensitivity close to 10(-15) A.m(2)/Hz(1/2) has been obtained at 77 K. The space resolution was determined at level of 100 mu m by the separation between the SQUID and the studied film surface. One-domain structure, in-plane orientation of magnetic moment and ferromagnetic-like ordering in 26 Angstrom thick film were found. An absolute value of the film magnetic moment has been estimated.
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收藏
页码:2542 / 2544
页数:3
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