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2010 | 117 | 2 | 412-414
Article title

The Crystal Structure and Magnetic Properties οf Selected fcc FeNi and Fe_{40}Ni_{40}B_{20} Alloys

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EN
Abstracts
EN
The crystal structure and magnetic properties of polycrystalline alloys Fe_{62.5}Ni_{37.5}, Fe_{60}Ni_{40}, Fe_{50}Ni_{50} obtained by arc-melting and Fe_{40}Ni_{40}B_{20} alloy obtained by melt spinning technique were investigated by X-ray, magnetostatic and Mössbauer effect methods. The X-ray measurements show that Fe_{40}Ni_{40}B_{20} alloy has a face-centered structure (fcc) which means that boron did not cause an amorphous rendering. The lattice constants for this alloy (a = 3.53 Å) is smaller than for FeNi alloys (a > 3.57 Å) which suggests that boron atoms were built-in in the crystal lattice. The Curie temperature of this alloy is more than 150 K higher in comparison with the of FeNi alloys, but the magnetic moment connected with this alloy is more than 0.17 μ_{B}/atom smaller than the magnetic moments of FeNi alloys. The shape of hyperfine field distribution for Fe_{40}Ni_{40}B_{20} is similar to the shape of hyperfine field distribution for the investigated fcc Fe_{62.5}Ni_{37.5} alloy, but both are different from another investigated hyperfine field distribution of FeNi alloys.
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EN
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Year
Volume
117
Issue
2
Pages
412-414
Physical description
Dates
published
2010-02
Contributors
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
References
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Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv117n261kz
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