000190059 001__ 190059 000190059 005__ 20210129215519.0 000190059 0247_ $$2doi$$a10.1126/science.1234657 000190059 0247_ $$2ISSN$$a0036-8075 000190059 0247_ $$2ISSN$$a1095-9203 000190059 0247_ $$2WOS$$aWOS:000319664500039 000190059 0247_ $$2altmetric$$aaltmetric:1521526 000190059 0247_ $$2pmid$$apmid:23723232 000190059 037__ $$aFZJ-2015-03018 000190059 082__ $$a500 000190059 1001_ $$0P:(DE-HGF)0$$aMilde, P.$$b0$$eCorresponding Author 000190059 245__ $$aUnwinding of a Skyrmion Lattice by Magnetic Monopoles 000190059 260__ $$aWashington, DC [u.a.]$$bAmerican Association for the Advancement of Science64196$$c2013 000190059 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1430917237_19302 000190059 3367_ $$2DataCite$$aOutput Types/Journal article 000190059 3367_ $$00$$2EndNote$$aJournal Article 000190059 3367_ $$2BibTeX$$aARTICLE 000190059 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000190059 3367_ $$2DRIVER$$aarticle 000190059 520__ $$aSkyrmion crystals are regular arrangements of magnetic whirls that exist in a wide range of chiral magnets. Because of their topology, they cannot be created or destroyed by smooth rearrangements of the direction of the local magnetization. Using magnetic force microscopy, we tracked the destruction of the skyrmion lattice on the surface of a bulk crystal of Fe1−xCoxSi (x = 0.5). Our study revealed that skyrmions vanish by a coalescence, forming elongated structures. Numerical simulations showed that changes of topology are controlled by singular magnetic point defects. They can be viewed as quantized magnetic monopoles and antimonopoles, which provide sources and sinks of one flux quantum of emergent magnetic flux, respectively. 000190059 536__ $$0G:(DE-HGF)POF2-54G24$$a54G - JCNS (POF2-54G24)$$cPOF2-54G24$$fPOF II$$x0 000190059 588__ $$aDataset connected to CrossRef, juser.fz-juelich.de 000190059 65027 $$0V:(DE-MLZ)SciArea-120$$2V:(DE-HGF)$$aCondensed Matter Physics$$x0 000190059 65027 $$0V:(DE-MLZ)SciArea-170$$2V:(DE-HGF)$$aMagnetism$$x1 000190059 65027 $$0V:(DE-MLZ)SciArea-240$$2V:(DE-HGF)$$aCrystallography$$x2 000190059 65017 $$0V:(DE-MLZ)GC-2004-2016$$2V:(DE-HGF)$$aBasic research$$x4 000190059 65017 $$0V:(DE-MLZ)GC-180$$2V:(DE-HGF)$$aOthers$$x3 000190059 65017 $$0V:(DE-MLZ)GC-160$$2V:(DE-HGF)$$aFundamental Science $$x0 000190059 65017 $$0V:(DE-MLZ)GC-120$$2V:(DE-HGF)$$aInformation Technology and Functional Materials $$x1 000190059 65017 $$0V:(DE-MLZ)GC-110$$2V:(DE-HGF)$$aEnergy$$x2 000190059 693__ $$0EXP:(DE-MLZ)HEIDI-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)HEIDI-20140101$$6EXP:(DE-MLZ)SR9b-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz $$eHEiDi: Single crystal diffractometer on hot source$$fSR9b$$x0 000190059 693__ $$0EXP:(DE-MLZ)MIRA-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)MIRA-20140101$$6EXP:(DE-MLZ)NL6N-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz $$eMIRA: Multipurpose instrument$$fNL6N$$x1 000190059 693__ $$0EXP:(DE-MLZ)SANS-1-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)SANS-1-20140101$$6EXP:(DE-MLZ)NL4a-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz $$eSANS-1: Small angle neutron scattering$$fNL4a$$x2 000190059 7001_ $$0P:(DE-HGF)0$$aKohler, D.$$b1 000190059 7001_ $$0P:(DE-HGF)0$$aSeidel, J.$$b2 000190059 7001_ $$0P:(DE-HGF)0$$aEng, L. 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