Journal Article

FZJ-2022-02561

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Diversity of states in a chiral magnet nanocylinder

Savchenko, A. (Corresponding author)FZJ* ; Zheng, F. (Corresponding author)FZJ* ; Kiselev, N. (Corresponding author)FZJ* ; Yang, L.FZJ* ; Rybakov, F. N. ; Blügel, S.FZJ* ; Dunin-Borkowski, R. E.FZJ*

2022
AIP Publ. Melville, NY

This record in other databases:    

Please use a persistent id in citations: http://hdl.handle.net/2128/31388  doi:10.1063/5.0097650

Abstract: The diversity of three-dimensional magnetic states in a FeGe nanocylinder is studied using micromagnetic simulations and off-axis electron holography in the transmission electron microscope. In particular, we report the observation of a dipole string—a spin texture composed of two coupled Bloch points—which becomes stable under geometrical confinement. Quantitative agreement is obtained between experimental and theoretical phase shift images by taking into account the presence of a damaged layer on the surface of the nanocylinder. The theoretical model is based on the assumption that the damaged surface layer, which results from focused ion beam milling during sample preparation, has similar magnetic properties to those of an amorphous FeGe alloy. The results highlight the importance of considering the magnetic properties of the surface layers of such nanoscale samples, which influence their magnetic states

---

Contributing Institute(s):

1. Quanten-Theorie der Materialien (IAS-1)
2. Quanten-Theorie der Materialien (PGI-1)
3. JARA-FIT (JARA-FIT)
4. JARA - HPC (JARA-HPC)
5. Physik Nanoskaliger Systeme (ER-C-1)

Research Program(s):

1. 5211 - Topological Matter (POF4-521) (POF4-521)
2. 5351 - Platform for Correlative, In Situ and Operando Characterization (POF4-535) (POF4-535)
3. 3D MAGiC - Three-dimensional magnetization textures: Discovery and control on the nanoscale (856538) (856538)

Appears in the scientific report 2022

---

Database coverage:
; ; ; ; Article Processing Charges ; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; DOAJ Seal ; Essential Science Indicators ; Fees ; IF >= 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

---