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Acta Metall Sin  1998, Vol. 34 Issue (4): 412-415    DOI:
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OSCILLATORY COUPLING OF THE Co-Nb/Cr MULTILAYERED FILMS
LOU Jianxin; YAN Shishen; LIU Yihua (Department of physics; Shandong University; Jinan 250100)
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LOU Jianxin; YAN Shishen; LIU Yihua (Department of physics; Shandong University; Jinan 250100). OSCILLATORY COUPLING OF THE Co-Nb/Cr MULTILAYERED FILMS. Acta Metall Sin, 1998, 34(4): 412-415.

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Abstract  Co-Nb/Cr multilayered films were prepared with the rf-sputtering method. The magnetic properties of the samples were studied by a micropro cessor-controlled vibrating-sample magnetometer. When the charging Ar pressure PAr=2.67 Pa, an oscillation between ferromagnetic and antiferromagnetic coupling with the thickness of Cr layers was found, and the spontaneous magnetization Ms remains constant basically. When PAr=0.67 Pa, the value of Ms shows an oscillatory behaviour, which may be related to the oscillatory variation of the paramagnetic component in the ferromagnetic layers.
Key words:  muiltilayered film      ferromagnetic coupling      antiferromagnetic coupling     
Received:  18 April 1998     
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https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1998/V34/I4/412

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