About: Mössbauer study of HfFe2 and Hf0.75Ta0.25Fe2

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Mossbauer spectrum measured on ferromagnetic HfFe2 at 296 K, consists of four six-line components and one doublet. The Laves phase HfFe2 has three kinds of crystal structures: cubic MgCu2C15, hexagonal MgZn2C14 and MgNi2C36. We assigned two sextets to the 2a and 6h sites of C14, one to the C15 and the fourth sextet to the minor presence of alpha-Fe. The doublet originates from small amount of FeO, apparently a corrosion product. The pseudobinary compound of Hf0.75Ta0.25Fe2 C14 undergoes the first - order transition to antiferromagnetic (AFM) state at about 180 K due to the strong spin fluctuation. Therefore, a magnetic sextet and a doublet were observed for the spectra assigned to the 6h and 2a site. The second sextet is attached to the minor presence of Fe3O4. Mossbauer spectrum measured on ferromagnetic HfFe2 at 296 K, consists of four six-line components and one doublet. The Laves phase HfFe2 has three kinds of crystal structures: cubic MgCu2C15, hexagonal MgZn2C14 and MgNi2C36. We assigned two sextets to the 2a and 6h sites of C14, one to the C15 and the fourth sextet to the minor presence of alpha-Fe. The doublet originates from small amount of FeO, apparently a corrosion product. The pseudobinary compound of Hf0.75Ta0.25Fe2 C14 undergoes the first - order transition to antiferromagnetic (AFM) state at about 180 K due to the strong spin fluctuation. Therefore, a magnetic sextet and a doublet were observed for the spectra assigned to the 6h and 2a site. The second sextet is attached to the minor presence of Fe3O4. (en)
Title	Mössbauer study of HfFe2 and Hf0.75Ta0.25Fe2 Mössbauer study of HfFe2 and Hf0.75Ta0.25Fe2 (en)
skos:prefLabel	Mössbauer study of HfFe2 and Hf0.75Ta0.25Fe2 Mössbauer study of HfFe2 and Hf0.75Ta0.25Fe2 (en)
skos:notation	RIV/68081723:_____/11:00371565!RIV12-AV0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0512), Z(AV0Z2041904)
http://linked.open...iv/cisloPeriodika	5/6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Žák, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	213792
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/11:00371565
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Mossbauer spectroscopy; HfFe2; Hf0.75Ta0.25Fe2; antiferromagnetic state; spin fluctuations (en)
http://linked.open.../riv/klicoveSlovo	Hf0.75Ta0.25Fe2 HfFe2 antiferromagnetic state spin fluctuations Mossbauer spectroscopy
http://linked.open...odStatuVydavatele	RO - Rumunsko
http://linked.open...ontrolniKodProRIV	[C1CD3E3047D0]
http://linked.open...i/riv/nazevZdroje	Romanian Journal of Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Research center of powdered nanomaterials
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	56
http://linked.open...iv/tvurceVysledku	Žák, Tomáš Belošević-Čavor, J. Cekić, B. Ivanovski, V. Koteski, V. Stojić, D. Umicević, A.
http://linked.open...n/vavai/riv/zamer	Behavior and properties of metallic and non-metallic materials in relation to their structure, research on processes leading to degradation of material quality
issn	1221-146X
number of pages	4 (xsd:int)

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