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dc.contributor.authorMoukarika, A.en
dc.contributor.authorPapaefthymiou, V.en
dc.contributor.authorBakas, T.en
dc.contributor.authorPsycharis, V.en
dc.contributor.authorNiarchos, D.en
dc.date.accessioned2015-11-24T18:27:44Z-
dc.date.available2015-11-24T18:27:44Z-
dc.identifier.issn0304-8853-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/16083-
dc.rightsDefault Licence-
dc.subjectmossbauer spectroscopyen
dc.subjectre-tm compoundsen
dc.subjectintermetallic phasesen
dc.subjectrare-earth permanent magnetsen
dc.subjectintrinsic magnetic-propertiesen
dc.subjectseriesen
dc.titleX-ray and Mossbauer studies of Sm-Fe-Nb(Zr) (2:17:2) alloys and their nitridesen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.secondary<Go to ISI>://A1996VW28900014-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0304885396003320/1-s2.0-S0304885396003320-main.pdf?_tid=c688359e0d89665eba0d7c39fef58f8a&acdnat=1334136302_1b378e0bb558277c92189b63a1d2fc65-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate1996-
heal.abstractSm-Fe and Sm-Fe-(Nb or Zr) alloys, with stoichiometry RE:TM = 2:17 were prepared in ribbon form, using the melt spinning technique. The samples then were annealed and nitrated. X-ray diffraction and Mossbauer spectroscopy were used to study the samples. The presence of Nb(Zr) atoms stabilize the TbCu7 structure, while the samples without substitutions crystallize in the Th2Zn17-type structure. The hyperfine parameters for the corresponding phases are deduced from analysis of Mossbauer spectra in the temperature range 15-300 K. At 300 K the mean hyperfine fields are 241 and 219 kOe for the Nb and Zr phases, respectively. The Curie temperature of Sm2Fe17 is higher than that of the intermetallic compound Sm2Fe17 prepared by the are melting technique, and the Curie temperatures of the TbCu7-type phases are in the range 200-230 degrees C. Remarkable enhancements in the coercive fields of the 1:7 nitride products are observed.en
heal.journalNameJournal of Magnetism and Magnetic Materialsen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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