2010 Annual Report Book of the High-Field Laboratory for Superconducting Materials

0380109 - FZÚ 2013 JP eng M - Část monografie knihy
Tereshina, Evgeniya - Andreev, Alexander V. - Watanabe, K.
Magnetic states and magnetostriction in Y₂Fe_17-xRu_x system.
2010 Annual Report Book of the High-Field Laboratory for Superconducting Materials. Tohoku: Institute for Materials Research, 2011, s. 96-99
Grant CEP: GA ČR GA202/09/0339
Výzkumný záměr: CEZ:AV0Z10100520
Klíčová slova: rare-earth intermetallics * exchange interactions * antiferromagnetism * magnetostriction
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus

The study of Ru-doping on magnetism of Y2Fe17-xRux (x = 0, 0.25, 0.5, 0.75, 1)has revealed the suppression of a collinear ferromagnetic order with the Ru content increase. The magnetic behavior of Y2Fe17-xRux with x= 0.5 and 1 duplicates that of the isostructural Lu2Fe17-xRux (x = 0.5 and 1) compounds and can be attributed to existence of a helical antiferromagnetic structure in the whole range of magnetic order. The magnetostriction study performed by high-field X-ray diffraction has shown that the metamagnetic antiferromagnetic-ferromagnetic transition in the alloy with x = 0.5 is accompanied by the largest among the series linear strains (mostly occurring along the easy magnetization axis of the compound), with the volume effect reaching out 1.4*10-3 in the field of 5 T at 10 K
Trvalý link: http://hdl.handle.net/11104/0210910