Universität zu Köln

Zakutna, Dominika, Fischer, Anne, Dresen, Dominique, Niznansky, Daniel, Honecker, Dirk and Disch, Sabrina ORCID: 0000-0002-4565-189X (2022). Multiscale magnetization in cobalt-doped ferrite nanocubes. J. Appl. Crystallogr., 55. S. 1622 - 1631. CHESTER: INT UNION CRYSTALLOGRAPHY. ISSN 1600-5767

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Abstract

The magnetization of cobalt ferrite nanocubes of similar size, but with varying Co/Fe ratio, is extensively characterized on atomistic and nanoscopic length scales. Combination of X-ray diffraction, Mossbauer spectroscopy, magnetization measurements and polarized small-angle neutron scattering (SANS) reveals that a lower amount of cobalt leads to an enhanced magnetization. At the same time, magnetic SANS confirms no or negligible near-surface spin disorder in these highly crystalline, homogeneously magnetized nanoparticles, resulting in an exceptionally hard magnetic material with high coercivity.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Zakutna, Dominika UNSPECIFIED UNSPECIFIED UNSPECIFIED Fischer, Anne UNSPECIFIED UNSPECIFIED UNSPECIFIED Dresen, Dominique UNSPECIFIED UNSPECIFIED UNSPECIFIED Niznansky, Daniel UNSPECIFIED UNSPECIFIED UNSPECIFIED Honecker, Dirk UNSPECIFIED UNSPECIFIED UNSPECIFIED Disch, Sabrina UNSPECIFIED orcid.org/0000-0002-4565-189X UNSPECIFIED
URN:	urn:nbn:de:hbz:38-678871
DOI:	10.1107/S1600576722010287
Journal or Publication Title:	J. Appl. Crystallogr.
Volume:	55
Page Range:	S. 1622 - 1631
Date:	2022
Publisher:	INT UNION CRYSTALLOGRAPHY
Place of Publication:	CHESTER
ISSN:	1600-5767
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language COXFE3-XO4 NANOCUBES; NANOPARTICLES; MAGNETITE Multiple languages Chemistry, Multidisciplinary; Crystallography Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/67887