Recipe for High Moment Materials with Rare-earth and 3d Transition Metal Composites

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Fältnamn	Indikatorer	Metadata
000		03170naa a2200385 4500
001		oai:DiVA.org:uu-300040
003		SwePub
008		160802s2016 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3000402 URI
024	7	a https://doi.org/10.1038/srep293072 DOI
040		a (SwePub)uu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Autieri, Carmineu Uppsala universitet,Materialteori4 aut0 (Swepub:uu)carau267
245	1 0	a Recipe for High Moment Materials with Rare-earth and 3d Transition Metal Composites
264		c 2016-07-06
264	1	b Springer Science and Business Media LLC,c 2016
338		a electronic2 rdacarrier
520		a Materials with high volume magnetization are perpetually needed for the generation of sufficiently large magnetic fields by writer pole of magnetic hard disks, especially for achieving increased areal density in storage media. In search of suitable materials combinations for this purpose, we have employed density functional theory to predict the magnetic coupling between iron and gadolinium layers separated by one to several monolayers of 3d transition metals (Sc-Zn). We demonstrate that it is possible to find ferromagnetic coupling for many of them and in particular for the early transition metals giving rise to high moment. Cr and Mn are the only elements able to produce a significant ferromagnetic coupling for thicker spacer layers. We also present experimental results on two trilayer systems Fe/Sc/Gd and Fe/Mn/Gd. From the experiments, we confirm a ferromagnetic coupling between Fe and Gd across a 3 monolayers Sc spacer or a Mn spacer thicker than 1 monolayer. In addition, we observe a peculiar dependence of Fe/Gd magnetic coupling on the Mn spacer thickness.
650	7	a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng
700	1	a Kumar, P. Anilu Univ Duisburg Essen, Fac Phys Duisburg Essen CeNIDE, D-47057 Duisburg, Germany.4 aut
700	1	a Walecki, Dirku Univ Duisburg Essen, Fac Phys Duisburg Essen CeNIDE, D-47057 Duisburg, Germany.4 aut
700	1	a Webers, Samirau Univ Duisburg Essen, Fac Phys Duisburg Essen CeNIDE, D-47057 Duisburg, Germany.4 aut
700	1	a Gubbins, Mark A.u Seagate Technol, 1 Disc Dr, Springtown BT48 0BF, North Ireland.4 aut
700	1	a Wende, Heikou Univ Duisburg Essen, Fac Phys Duisburg Essen CeNIDE, D-47057 Duisburg, Germany.4 aut
700	1	a Sanyal, Biplabu Uppsala universitet,Materialteori4 aut0 (Swepub:uu)bisan676
710	2	a Uppsala universitetb Materialteori4 org
773	0	t Scientific Reportsd : Springer Science and Business Media LLCg 6q 6x 2045-2322
856	4	u https://uu.diva-portal.org/smash/get/diva2:950779/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856	4	u https://www.nature.com/articles/srep29307.pdf
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-300040
856	4 8	u https://doi.org/10.1038/srep29307

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Av författaren/redakt...: Autieri, Carmine; Kumar, P. Anil; Walecki, Dirk; Webers, Samira; Gubbins, Mark A.; Wende, Heiko; visa fler...; Sanyal, Biplab; visa färre...

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