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@INPROCEEDINGS{BednarskiMeinke:1047232,
      author       = {Bednarski-Meinke, Connie and Pütter, Sabine},
      title        = {{MBE} thin-film growth of quantum materials},
      reportid     = {FZJ-2025-04166},
      year         = {2025},
      abstract     = {Studying the physics of thin films is the first step
                      towards understanding how ‘quantum’deviceswill be
                      controlled as the plethora of phenomena promised by quantum
                      materials can only be fullyexploited once they can be
                      fabricated as thin films. Meanwhile, there is a growing
                      focus on scalingup the growth of interesting quantum
                      materials to 200–300 mm wafer size using molecular
                      beamepitaxy (MBE), with the aim of integrating these
                      materials into the semiconductor industry [1]. However,much
                      remains to be discovered about growing quantum materials as
                      thin films rather than inbulk and the effect this has on the
                      quantum or topological properties of the materials and their
                      subsequentcontrol. In this review study, we identify systems
                      in which quantum effects are particularlyrelevant when grown
                      in thin film form, highlighting the challenges and initial
                      successes and addressingissues such as feasibility and
                      effort-to-impact ratios. These include: topological
                      insulators, Weylsemimetals, and subsequent topological phase
                      transitions; altermagnets (particularly those that
                      exhibitaltermagnetism only in thin film form);
                      high-temperature superconductors and the emergingphenomena
                      of oxides and nitrides; magnetic spin textures (particularly
                      skyrmions and hopfions);quantum spin liquids and spin ices;
                      and hexagonal perovskites and other 2D materials [2, 3, 4,
                      5].Our goal is to generate interest in growing new thin-film
                      quantum materials at the JCNS facilitiesand to initiate
                      discussions about implementing these material systems. MBE
                      is clearly at the heart ofa materials revolution and will
                      become an increasingly necessary growth process for
                      furthering thefundamental science of quantum materials, as
                      well as their utility in developing the next generationof
                      devices.Seite[1] ‘Introducing the latest production MBE
                      systems for III-V and nitride materials!’ DCA, (2025)
                      [Online].Available:
                      https://dca.fi/introducing-the-latest-production-mbe-systems-for-iii-v-and-nitridematerials/[2]
                      C. Ha and Y. J. Chung, APL Materials, 12, 120901, (2024).[3]
                      N. Samarth, Nature Materials, 16, 1068, (2017).[4] R. Cava,
                      N. de Leon, and W. Xie, Chemical Reviews, 121, 2777,
                      (2021).[5] R. K. Goyal, S. Maharaj, P. Kumar, and M.
                      Chandrasekhar, Journal of Materials Science: Materialsin
                      Engineering, 20, 4, (2025).},
      month         = {Oct},
      date          = {2025-10-07},
      organization  = {JCNS Workshop 2025, Trends and
                       Perspectives in Neutron Scattering.
                       Quantum Materials: Theory and
                       Experiments, Evangelische Akademie
                       Tutzing (Germany), 7 Oct 2025 - 9 Oct
                       2025},
      subtyp        = {Invited},
      cin          = {JCNS-2 / JARA-FIT / JCNS-4},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / $I:(DE-82)080009_20140620$ /
                      I:(DE-Juel1)JCNS-4-20201012},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/1047232},
}