info:eu-repo/semantics/article
From Fe3Si towards Fe3Ge in Finemet-like nanocrystalline alloys: Mössbauer spectroscopy
Fecha
2007-02-01Registro en:
Moya, Javier Alberto; Cremaschi, Victoria Juliana; Sirkin, Hugo Ricardo Mario; From Fe3Si towards Fe3Ge in Finemet-like nanocrystalline alloys: Mössbauer spectroscopy; Elsevier Science; Physica B: Condensed Matter; 389; 1; 1-2-2007; 159-162
0921-4526
CONICET Digital
CONICET
Autor
Moya, Javier Alberto
Cremaschi, Victoria Juliana
Sirkin, Hugo Ricardo Mario
Resumen
Nanocrystalline Finemet-type ribbons with different Si/Ge ratio [Fe73.5Si13.5-xGexNb 3B9Cu1 (x = 7, 8, 10 and 13.5)] were studied by means of Mössbauer spectroscopy and X-ray diffraction. The trend to form the non-stoichiometric DO3 Fe3Si structure in Finemet alloys (x = 0) is confirmed as Si is substituted for Ge. Results also indicate that the crystalline fraction increases when Si is gradually replaced with Ge. The hyperfine magnetic fields and the isomer shifts are characterised by a quasi-linear relationship with the Ge content of the nanocrystals.