The effect of Ta on structure and magnetic properties in Fe-N films

B. Ma; F. L. Wei; X. X. Liu; C. T. Xiao; Z. Yang

doi:10.1016/S0921-5107(98)00311-0

The effect of Ta on structure and magnetic properties in Fe-N films

B. Ma, F. L. Wei, X. X. Liu, C. T. Xiao, Z. Yang

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

Microstructure and magnetic properties of Fe-Ta-N alloy films near the eutatic composition were studied. The four systematic alloy films with different Ta content were prepared by reactive sputtering. The dependence of structures and magnetic properties on Ta and annealing were investigated by VSM and X-ray diffraction. It is found that Ta atoms replace Fe in α-Fe lattice and have strong affinity for nitrogen, which inhibits the formation of γ-Fe₄N phase in Fe-Ta-N films. The TaN phase precipitates in grain boundaries and suppresses the growth of α-Fe(N) crystalline during annealing. Coercivity varies with the change of micro structure.

Original language	English (US)
Pages (from-to)	97-101
Number of pages	5
Journal	Materials Science and Engineering B
Volume	57
Issue number	2
DOIs	https://doi.org/10.1016/S0921-5107(98)00311-0
State	Published - Jan 1 1999
Externally published	Yes

Keywords

Grain size
Interstitial atoms
Lattice deformation
Substitutional atoms

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10.1016/S0921-5107(98)00311-0

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title = "The effect of Ta on structure and magnetic properties in Fe-N films",

abstract = "Microstructure and magnetic properties of Fe-Ta-N alloy films near the eutatic composition were studied. The four systematic alloy films with different Ta content were prepared by reactive sputtering. The dependence of structures and magnetic properties on Ta and annealing were investigated by VSM and X-ray diffraction. It is found that Ta atoms replace Fe in α-Fe lattice and have strong affinity for nitrogen, which inhibits the formation of γ-Fe4N phase in Fe-Ta-N films. The TaN phase precipitates in grain boundaries and suppresses the growth of α-Fe(N) crystalline during annealing. Coercivity varies with the change of micro structure.",

keywords = "Grain size, Interstitial atoms, Lattice deformation, Substitutional atoms",

author = "B. Ma and Wei, \{F. L.\} and Liu, \{X. X.\} and Xiao, \{C. T.\} and Z. Yang",

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doi = "10.1016/S0921-5107(98)00311-0",

language = "English (US)",

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TY - JOUR

T1 - The effect of Ta on structure and magnetic properties in Fe-N films

AU - Ma, B.

AU - Wei, F. L.

AU - Liu, X. X.

AU - Xiao, C. T.

AU - Yang, Z.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - Microstructure and magnetic properties of Fe-Ta-N alloy films near the eutatic composition were studied. The four systematic alloy films with different Ta content were prepared by reactive sputtering. The dependence of structures and magnetic properties on Ta and annealing were investigated by VSM and X-ray diffraction. It is found that Ta atoms replace Fe in α-Fe lattice and have strong affinity for nitrogen, which inhibits the formation of γ-Fe4N phase in Fe-Ta-N films. The TaN phase precipitates in grain boundaries and suppresses the growth of α-Fe(N) crystalline during annealing. Coercivity varies with the change of micro structure.

AB - Microstructure and magnetic properties of Fe-Ta-N alloy films near the eutatic composition were studied. The four systematic alloy films with different Ta content were prepared by reactive sputtering. The dependence of structures and magnetic properties on Ta and annealing were investigated by VSM and X-ray diffraction. It is found that Ta atoms replace Fe in α-Fe lattice and have strong affinity for nitrogen, which inhibits the formation of γ-Fe4N phase in Fe-Ta-N films. The TaN phase precipitates in grain boundaries and suppresses the growth of α-Fe(N) crystalline during annealing. Coercivity varies with the change of micro structure.

KW - Grain size

KW - Interstitial atoms

KW - Lattice deformation

KW - Substitutional atoms

UR - https://www.scopus.com/pages/publications/0032784860

UR - https://www.scopus.com/inward/citedby.url?scp=0032784860&partnerID=8YFLogxK

U2 - 10.1016/S0921-5107(98)00311-0

DO - 10.1016/S0921-5107(98)00311-0

M3 - Article

AN - SCOPUS:0032784860

SN - 0921-5107

VL - 57

SP - 97

EP - 101

JO - Materials Science and Engineering B

JF - Materials Science and Engineering B

IS - 2

ER -

The effect of Ta on structure and magnetic properties in Fe-N films

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