Journal Article

FZJ-2021-05249

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Compositional Studies of Metals with Complex Order by means of the Optical Floating‐Zone Technique

Bauer, A. (Corresponding author) ; Benka, G. ; Neubauer, A. ; Regnat, A. ; Engelhardt, A. ; Resch, C. ; Wurmehl, S. ; Blum, C. G. F. ; Adams, T. ; Chacon, A. ; Jungwirth, R. ; Georgii, R. ; Senyshyn, A. ; Pedersen, B. ; Meven, M.FZJ*RWTH* ; Pfleiderer, C.

2022
Wiley-VCH Weinheim

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Please use a persistent id in citations: doi:10.1002/pssb.202100159

Abstract: The availability of large high-quality single crystals is an important prerequisite for many studies in solid-state research. The optical floating-zone technique is an elegant method to grow such crystals, offering potential to prepare samples that may be hardly accessible with other techniques. As elaborated in this report, examples include single crystals with intentional compositional gradients, deliberate off-stoichiometry, or complex metallurgy. For the cubic chiral magnets Mn1–xFexSi and Fe1–xCoxSi, single crystals are prepared in which the composition is varied during growth from x ¼ 0 to 0.15 and fromx ¼ 0.1 to 0.3, respectively. Such samples allow us to efficiently study the evolution of the magnetic properties as a function of composition, as demonstrated by means of neutron scattering. For the archetypical chiral magnet MnSi and the itinerant antiferromagnet CrB2, single crystals with varying initial manganese (0.99–1.04) and boron (1.95–2.1) content are grown. Measurements of the low-temperature properties address the correlation between magnetic transition temperature and sample quality. Furthermore, single crystals of the diborides ErB2, MnB2, and VB2 are prepared. In addition to high vapor pressures, these materials suffer from peritectic formation, potential decomposition, and high melting temperature, respectively.

Keyword(s): Magnetic Materials (1st) ; Condensed Matter Physics (2nd) ; Magnetism (2nd)

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Contributing Institute(s):

1. JCNS-FRM-II (JCNS-FRM-II)
2. Streumethoden (JCNS-2)
3. JARA-FIT (JARA-FIT)
4. Heinz Maier-Leibnitz Zentrum (MLZ)

Research Program(s):

1. 6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ) (POF4-6G4) (POF4-6G4)

Experiment(s):

1. HEiDi: Single crystal diffractometer on hot source (SR9b)
2. SPODI: High resolution powder diffractometer (SR8a)
3. RESI: Thermal neutron single crystal diffractometer (SR8b)
4. MIRA: Multipurpose instrument (NL6N)

Appears in the scientific report 2021

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Database coverage:
; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DEAL Wiley ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; NCBI Molecular Biology Database ; Nationallizenz ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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