FERROMAGNETIC-RESONANCE STUDIES OF FE16N2 FILMS WITH A GIANT MAGNETIC-MOMENT

被引：55

作者：

TAKAHASHI, H ^{[1
]}

MITSUOKA, K ^{[1
]}

KOMURO, M ^{[1
]}

SUGITA, Y ^{[1
]}

机构：

[1] HITACHI LTD,KOKUBUNJI,TOKYO 185,JAPAN

来源：

JOURNAL OF APPLIED PHYSICS | 1993年 / 73卷 / 10期

关键词：

D O I：

10.1063/1.353469

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The g factor and 4pi M(s) for epitaxially grown Fe16N2(001)/In0.2Ga0.8As(001) films have been investigated by ferromagnetic resonance along with Fe films for comparison. Angular dependence of the resonance fields in the film plane of Fe16N2 films had four-fold symmetry, which was attributed to the in-plane anisotropy. The g factor for Fe16N2 films was about 2.0, which means that the magnetic moment originates mainly from spin. Thus, nothing unusual is seen about the g factor. The g factor for Fe films was about 2. 1, which is very similar to the value reported previously. 4piM(s) values for Fe16N2 and Fe films were 2.8 X 10(4) and 2.1 X 10(4) G, respectively, which agree well with the previous data obtained by a vibrating sample magnetometer. This confirmed that Fe16N2 has a giant magnetic moment. Torque magnetometer measurements showed that Fe16N2 films have a larger perpendicular anisotropy of 7.8 X 10(6) erg/cm3, which can originate from its bct structure.

引用

页码：6060 / 6062

页数：3

共 9 条

[1]

Bozorth R. M., 1951, FERROMAGNETISM, P441

[2] NEW MAGNETIC MATERIAL HAVING ULTRAHIGH MAGNETIC-MOMENT [J].

KIM, TK ;

TAKAHASHI, M .

APPLIED PHYSICS LETTERS, 1972, 20 (12) :492-+

[3] ON THE THEORY OF FERROMAGNETIC RESONANCE ABSORPTION [J].

KITTEL, C .

PHYSICAL REVIEW, 1948, 73 (02) :155-161

[4] EPITAXIAL-GROWTH AND MAGNETIC-PROPERTIES OF FE16N2 FILMS WITH HIGH SATURATION MAGNETIC-FLUX DENSITY [J].

KOMURO, M ;

KOZONO, Y ;

HANAZONO, M ;

SUGITA, Y .

JOURNAL OF APPLIED PHYSICS, 1990, 67 (09) :5126-5130

[5]

KOMURO M, 1990, J MAGN SOC JPN, V14, P701

[6]

KOZONO Y, 1991, J MAGN SOC JPN, V15, P59

[7] INVESTIGATION OF EINSTEIN-DE HAAS EFFECT FOR COBALT AND FOR CO-NI ALLOYS [J].

SCOTT, GG .

PHYSICAL REVIEW, 1966, 148 (02) :525-&

[8]

SUGITA Y, 1991, J APPL PHYS, V70, P597

[9]

SUGITA Y, 1991, MATER RES SOC S P, V232, P147

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