000911320 001__ 911320 000911320 005__ 20230123110734.0 000911320 0247_ $$2doi$$a10.1063/5.0099942 000911320 0247_ $$2Handle$$a2128/32571 000911320 0247_ $$2WOS$$aWOS:000884993000001 000911320 037__ $$aFZJ-2022-04612 000911320 082__ $$a600 000911320 1001_ $$0P:(DE-HGF)0$$aRybakov, Filipp N.$$b0$$eCorresponding author 000911320 245__ $$aMagnetic hopfions in solids 000911320 260__ $$aMelville, NY$$bAIP Publ.$$c2022 000911320 3367_ $$2DRIVER$$aarticle 000911320 3367_ $$2DataCite$$aOutput Types/Journal article 000911320 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1669206879_30325 000911320 3367_ $$2BibTeX$$aARTICLE 000911320 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000911320 3367_ $$00$$2EndNote$$aJournal Article 000911320 520__ $$aHopfions are an intriguing class of string-like solitons, named according to a classical topological concept classifying three-dimensional direction fields. The search for hopfions in real physical systems has been ongoing for nearly half a century, starting with the seminal work of Faddeev. However, so far, realizations in bulk solids are missing. Here, we show that hopfions appear as emergent particles of the classical Heisenberg model with competing exchange interactions. This requires going beyond the model approach used in prior work and deriving a general micromagnetic energy functional directly from a spin-lattice Hamiltonian. We present a definite parameter space in which the existence of hopfions is possible. This opens a concrete vista to combine computational approaches such as density functional theory with material informatics to find magnetic crystals that can host hopfions. As proof of principle, we show how zero-field hopfions can be visualized by the means of off-axis electron holography in a transmission electron microscope. 000911320 536__ $$0G:(DE-HGF)POF4-5211$$a5211 - Topological Matter (POF4-521)$$cPOF4-521$$fPOF IV$$x0 000911320 588__ $$aDataset connected to CrossRef, Journals: juser.fz-juelich.de 000911320 7001_ $$0P:(DE-Juel1)145390$$aKiselev, Nikolai S.$$b1 000911320 7001_ $$0P:(DE-HGF)0$$aBorisov, Aleksandr B.$$b2 000911320 7001_ $$0P:(DE-HGF)0$$aDöring, Lukas$$b3 000911320 7001_ $$0P:(DE-HGF)0$$aMelcher, Christof$$b4 000911320 7001_ $$0P:(DE-Juel1)130548$$aBlügel, Stefan$$b5 000911320 773__ $$0PERI:(DE-600)2722985-3$$a10.1063/5.0099942$$gVol. 10, no. 11, p. 111113 -$$n11$$p111113 -$$tAPL materials$$v10$$x2166-532X$$y2022 000911320 8564_ $$uhttps://juser.fz-juelich.de/record/911320/files/Invoice_APM22-AR-3DMN2022-00360_01063.pdf 000911320 8564_ $$uhttps://juser.fz-juelich.de/record/911320/files/5.0099942.pdf$$yOpenAccess 000911320 8767_ $$8APM22-AR-3DMN2022-00360_01063$$92022-10-25$$a1200185484$$d2022-10-27$$eAPC$$jZahlung erfolgt$$zUSD 2750,- 000911320 909CO $$ooai:juser.fz-juelich.de:911320$$pdnbdelivery$$popenCost$$pVDB$$pdriver$$pOpenAPC$$popen_access$$popenaire 000911320 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Department of Physics and Astronomy, Uppsala University, SE-75120 Uppsala, Sweden$$b0 000911320 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Department of Physics, KTH Royal Institute of Technology, SE-10691 Stockholm, Sweden$$b0 000911320 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)145390$$aForschungszentrum Jülich$$b1$$kFZJ 000911320 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Independent Researcher, 68b Amundsen Street, Ekaterinburg 620146, Russia$$b2 000911320 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Department of Mathematics and JARA FIT, RWTH Aachen University, 52056 Aachen, Germany$$b3 000911320 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Department of Mathematics and JARA FIT, RWTH Aachen University, 52056 Aachen, Germany$$b4 000911320 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)130548$$aForschungszentrum Jülich$$b5$$kFZJ 000911320 9131_ $$0G:(DE-HGF)POF4-521$$1G:(DE-HGF)POF4-520$$2G:(DE-HGF)POF4-500$$3G:(DE-HGF)POF4$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF4-5211$$aDE-HGF$$bKey Technologies$$lNatural, Artificial and Cognitive Information Processing$$vQuantum Materials$$x0 000911320 9141_ $$y2022 000911320 915__ $$0StatID:(DE-HGF)0160$$2StatID$$aDBCoverage$$bEssential Science Indicators$$d2021-02-05 000911320 915__ $$0LIC:(DE-HGF)CCBY4$$2HGFVOC$$aCreative Commons Attribution CC BY 4.0 000911320 915__ $$0StatID:(DE-HGF)0113$$2StatID$$aWoS$$bScience Citation Index Expanded$$d2021-02-05 000911320 915__ $$0StatID:(DE-HGF)0700$$2StatID$$aFees$$d2021-02-05 000911320 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess 000911320 915__ $$0StatID:(DE-HGF)0561$$2StatID$$aArticle Processing Charges$$d2021-02-05 000911320 915__ $$0StatID:(DE-HGF)0100$$2StatID$$aJCR$$bAPL MATER : 2021$$d2022-11-22 000911320 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS$$d2022-11-22 000911320 915__ $$0StatID:(DE-HGF)0300$$2StatID$$aDBCoverage$$bMedline$$d2022-11-22 000911320 915__ $$0StatID:(DE-HGF)0501$$2StatID$$aDBCoverage$$bDOAJ Seal$$d2018-07-26T11:52:04Z 000911320 915__ $$0StatID:(DE-HGF)0500$$2StatID$$aDBCoverage$$bDOAJ$$d2018-07-26T11:52:04Z 000911320 915__ $$0StatID:(DE-HGF)0030$$2StatID$$aPeer Review$$bDOAJ : Peer review$$d2018-07-26T11:52:04Z 000911320 915__ $$0StatID:(DE-HGF)0199$$2StatID$$aDBCoverage$$bClarivate Analytics Master Journal List$$d2022-11-22 000911320 915__ $$0StatID:(DE-HGF)1160$$2StatID$$aDBCoverage$$bCurrent Contents - Engineering, Computing and Technology$$d2022-11-22 000911320 915__ $$0StatID:(DE-HGF)0150$$2StatID$$aDBCoverage$$bWeb of Science Core Collection$$d2022-11-22 000911320 915__ $$0StatID:(DE-HGF)1150$$2StatID$$aDBCoverage$$bCurrent Contents - Physical, Chemical and Earth Sciences$$d2022-11-22 000911320 915__ $$0StatID:(DE-HGF)9905$$2StatID$$aIF >= 5$$bAPL MATER : 2021$$d2022-11-22 000911320 9201_ $$0I:(DE-Juel1)IAS-1-20090406$$kIAS-1$$lQuanten-Theorie der Materialien$$x0 000911320 9201_ $$0I:(DE-Juel1)PGI-1-20110106$$kPGI-1$$lQuanten-Theorie der Materialien$$x1 000911320 9201_ $$0I:(DE-82)080009_20140620$$kJARA-FIT$$lJARA-FIT$$x2 000911320 9201_ $$0I:(DE-82)080012_20140620$$kJARA-HPC$$lJARA - HPC$$x3 000911320 980__ $$ajournal 000911320 980__ $$aVDB 000911320 980__ $$aI:(DE-Juel1)IAS-1-20090406 000911320 980__ $$aI:(DE-Juel1)PGI-1-20110106 000911320 980__ $$aI:(DE-82)080009_20140620 000911320 980__ $$aI:(DE-82)080012_20140620 000911320 980__ $$aAPC 000911320 980__ $$aUNRESTRICTED 000911320 9801_ $$aAPC 000911320 9801_ $$aFullTexts