Magnetic Properties and Giant Magnetoimpednce Effects of FeCuNdSiB Single Layered and Sandwiched Films | Zendy

Xiao Shuqin | Zendy; Yihua Liu | Zendy; Yan Shi-Shen | Zendy; Dai You-Yong | Zendy; Lin Zhang | Zendy; MEI LIANG-MO | Zendy

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Magnetic Properties and Giant Magnetoimpednce Effects of FeCuNdSiB Single Layered and Sandwiched Films

Author(s) -

Xiao Shuqin,

Yihua Liu,

Yan Shi-Shen,

Dai You-Yong,

Lin Zhang,

MEI LIANG-MO

Publication year - 1999

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.48.187

Subject(s) - materials science , nanocrystalline material , amorphous solid , transverse plane , giant magnetoimpedance , thin film , magnetization , layer (electronics) , nuclear magnetic resonance , composite material , condensed matter physics , giant magnetoresistance , magnetic field , magnetoresistance , nanotechnology , crystallography , physics , chemistry , structural engineering , quantum mechanics , engineering

Magnetic properties and giant magneto-impedance (GMI) effects of Fe73.5Cu1Nb3Si13.5B9 single layered films and sandwiched fimls using Cu or Ag as the central layer prepared by radio frequency sputtering are investigated. The as-deposited single layered films are in amorphous state. The domain structures of single layered films annealed as 380℃ show that the films are in nanocrystalline state with homogeneous magnetization. The samples possess excellent soft magnetic properties and have the maxiumum values of GMI effects, the maxiumum GMI ratios are 18% and 14% in longitudinal and transverse fields, respectively, at 13MHz. Sandwiched films in the as-deposited state possess large GMI effects, the maximum GMI ratios of sandwiched films with a Cu central layer are 32% and 11% for longitudinal and transverse cases, respectively, and those of sandwiched films with a Ag central layer are 47% and 57% for longitudinal and transverse cases, respectively. Sandwiched films using Cu as the inner layer annealed at 250℃ exhibit large magneto-inductance effect at low frequencies. The maximum magneto-inductance ratio is 1733% at 100kHz.

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