Magnetic structures and valence states of YbMn2SixGe2-x

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dc.contributor.authorGrimm, Den_AU
dc.contributor.authorHofmann, Men_AU
dc.contributor.authorCampbell, SJen_AU
dc.contributor.authorEdge, AVJen_AU
dc.contributor.authorStuder, AJen_AU
dc.date.accessioned2021-09-06T05:38:29Zen_AU
dc.date.available2021-09-06T05:38:29Zen_AU
dc.date.issued2004-02-04en_AU
dc.date.statistics2021-08-24en_AU
dc.description.abstractRare-earth intermetallic compounds containing ytterbium exhibit a wide range of interesting and unusual physical and magnetic properties. This occurs mainly as a result of their mixed valence states (II/III) or changes from one valence state to the other. Here we present a set of results for the YbMn2SixGe2-x series (8 samples from x = 0 to 2), focusing on the magnetic structure and valence state of these compounds as investigated by neutron powder diffraction (2-530 K). We have found that the valence state of the Yb ion changes from the trivalent state of YbMn2Si2 to a divalent-like behaviour for YbMn2Ge2 with increasing Ge concentration x, with significant changes in the magnetic structure taking place around 1.5<x<1.9 [1]. An overview of the structural and magnetic changes that occur around this critical concentration region will be presented. Emphasis will be placed on current research that focuses on the compound YbMn2Si0.3Ge1.7 in an attempt to characterise the transition.en_AU
dc.identifier.citationGrimm, D., Hofmann, M., Campbell, S. J., Edge, A. V. J. & Studer, A. (2004). Magnetic structures and valence states of YbMn2SixGe2-x. Poster presented to the 28th Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, 3-6 February 2004. Retrieved from: https://www.physics.org.au/wp-content/uploads/cmm/2004/04handbook.pdfen_AU
dc.identifier.conferenceenddate6 February 2004en_AU
dc.identifier.conferencename28th Annual Condensed Matter and Materials Meetingen_AU
dc.identifier.conferenceplaceWagga Wagga, New South Walesen_AU
dc.identifier.conferencestartdate3 February 2004en_AU
dc.identifier.issn1037-1214en_AU
dc.identifier.otherWP18en_AU
dc.identifier.urihttps://www.physics.org.au/wp-content/uploads/cmm/2004/04handbook.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11602en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Physicsen_AU
dc.subjectValenceen_AU
dc.subjectRare earthsen_AU
dc.subjectIntermetallic compoundsen_AU
dc.subjectYtterbiumen_AU
dc.subjectMagnetic propertiesen_AU
dc.subjectNeutron diffractionen_AU
dc.titleMagnetic structures and valence states of YbMn2SixGe2-xen_AU
dc.typeConference Posteren_AU
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