%0 Journal Article %1 noauthororeditor %A He, Yangkun %A Adler, Peter %A Schneider, Sebastian %A Soldatov, Ivan %A Mu, Qingge %A Borrmann, Horst %A Schnelle, Walter %A Schaefer, Rudolf %A Rellinghaus, Bernd %A Fecher, Gerhard H. %A Felser, Claudia %D 2021 %J Adv. Funct. Mater. %K a %N 4 %P 2107513 %R 10.1002/adfm.202107513 %T Intrinsic magnetic properties of a highly anisotropic rare-earth-free Fe$_2$P-based magnet %U https://onlinelibrary.wiley.com/doi/abs/10.1002/adfm.202107513 %V 32 %X Permanent magnets are applied in many large-scale and emerging appli-cations and are crucial components in numerous established and newly evolving technologies. Rare-earth magnets exhibit excellent hard magnetic properties; however, their applications are limited by the price and supply risk of the strategic rare-earth elements. Therefore, there is an increasing demand for inexpensive magnets without strategic elements. Here, the authors report the intrinsic highly-anisotropic magnetic properties of Co and Si co-doped single crystals (Fe1−yCoy)2P1−xSix (y≈ 0.09). Co increases Curie temperature TC; Si doping decreases magnetocrystalline anisotropy K1 and also increases TCsignificantly because of the enhanced interlayer interaction. The maximum room temperature magnetocrystalline anisotropy K1= 1.09 MJ m−3 is achieved for x= 0.22, with saturation magnetization μ0Ms= 0.96 T and TC= 506 K. The theoretical maximum energy product is one of the largest for any magnet without a rare earth or Pt. Besides its promising intrinsic magnetic properties and absence of any strategic elements, other advantages are phase stability at high temperatures and excellent corrosion resistance, which make this material most promising for permanent magnetic development that will have a positive influence in industry and daily life.

@article{noauthororeditor, abstract = {Permanent magnets are applied in many large-scale and emerging appli-cations and are crucial components in numerous established and newly evolving technologies. Rare-earth magnets exhibit excellent hard magnetic properties; however, their applications are limited by the price and supply risk of the strategic rare-earth elements. Therefore, there is an increasing demand for inexpensive magnets without strategic elements. Here, the authors report the intrinsic highly-anisotropic magnetic properties of Co and Si co-doped single crystals (Fe1−yCoy)2P1−xSix (y≈ 0.09). Co increases Curie temperature TC; Si doping decreases magnetocrystalline anisotropy K1 and also increases TCsignificantly because of the enhanced interlayer interaction. The maximum room temperature magnetocrystalline anisotropy K1= 1.09 MJ m−3 is achieved for x= 0.22, with saturation magnetization μ0Ms= 0.96 T and TC= 506 K. The theoretical maximum energy product is one of the largest for any magnet without a rare earth or Pt. Besides its promising intrinsic magnetic properties and absence of any strategic elements, other advantages are phase stability at high temperatures and excellent corrosion resistance, which make this material most promising for permanent magnetic development that will have a positive influence in industry and daily life.}, added-at = {2023-05-23T12:38:54.000+0200}, author = {He, Yangkun and Adler, Peter and Schneider, Sebastian and Soldatov, Ivan and Mu, Qingge and Borrmann, Horst and Schnelle, Walter and Schaefer, Rudolf and Rellinghaus, Bernd and Fecher, Gerhard H. and Felser, Claudia}, biburl = {https://www.bibsonomy.org/bibtex/230c63f8aadc4eed9703b1a7abfb3d588/ctqmat}, day = 15, description = {Intrinsic magnetic properties of a highly anisotropic rare-earth-free Fe2P-based magnet}, doi = {10.1002/adfm.202107513}, interhash = {2004bd109c9a382e7ed5f1484df3c922}, intrahash = {30c63f8aadc4eed9703b1a7abfb3d588}, journal = {Adv. Funct. Mater.}, keywords = {a}, month = {10}, number = 4, pages = 2107513, timestamp = {2023-10-19T11:15:43.000+0200}, title = {Intrinsic magnetic properties of a highly anisotropic rare-earth-free Fe$_{\mathbf{2}}$P-based magnet}, url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/adfm.202107513}, volume = 32, year = 2021 }