MAGNETIC VISCOSITY OF CHAIN-SPHERICAL Fe ULTRA-FINE PARTICLES | Zendy

Xiaoyun Gao | Zendy; Jin Li | Zendy; Hou Deng-lu | Zendy; Yang Fu-ming | Zendy; ZHONG XIA-PING | Zendy; LUO HE-LIE | Zendy

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MAGNETIC VISCOSITY OF CHAIN-SPHERICAL Fe ULTRA-FINE PARTICLES

Author(s) -

Xiaoyun Gao,

Jin Li,

Hou Deng-lu,

Yang Fu-ming,

ZHONG XIA-PING,

LUO HE-LIE

Publication year - 1993

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.42.1851

Subject(s) - acicular , materials science , spheres , particle (ecology) , viscosity , anisotropy , chain (unit) , volume (thermodynamics) , condensed matter physics , composite material , thermodynamics , optics , physics , microstructure , oceanography , astronomy , geology

This paper reports the study on the magnetic vicosity for chain-spherical Fe UFP prepared by laser pyrolysis. Fluctuation field,anisotropy and active volume of the particles were measured and calculated. The results show that the reverse magnetizing unit is made up of n chain spheres,and equivalent to a single-domain with uniaxial particle. Variation tendency of active volume of the particles is similiar to the acicular γ-type ferric oxide particles.

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