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个人简介
In 2014, I established a research group that deals with strongly correlated electron systems in which the properties of the electrons (charge, orbital and spin) and the properties of the lattice are uniquely intertwined. Using the state-of-the art thin film growth facility that I set up with my startup funds, my group grows thin films of transition metal oxides and frustrated antiferromagnets. I designed my laboratory at the NHMFL with a long-term vision, to build a sustainable and productive research program in engineering of spin textures (and associated functional properties) in thin films of emerging quantum materials. Thin film growth allows control of the physical properties, such as the magnetism and the electrical properties, via small variations to the lattice structure, induced by epitaxial strain. One of the main research goals is to engineer novel noncollinear spin textures in thin films of frustrated magnets. The Beekman group studies these textures using neutron diffraction and magnetometry. The group has pioneered the use of capacitive torque magnetometry to study magnetism in single crystals and thin films of strongly anisotropic and highly frustrated antiferromagnets. The Beekman group uses both techniques to characterize the magnetic anisotropy of pyrochlore titanates and spinel vanadates, and to chart the presence and evolution of specific spin textures as a function of applied external perturbations. With these facilities, I established a robust research program that investigates spin ice materials exposed to structural perturbations and confinement. Furthermore, I am the first to use this technique to characterize the anisotropy associated with structurally engineered noncollinear spin textures in spinel vanadate thin films. This work could lead to the creation of spin ice states in 3d-electron systems and to new type II multiferroics. This has been made possible due to support of the State of Florida in the form of startup funds and the National Science Foundation via an NSF CAREER award.
研究兴趣
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PHYSICAL REVIEW MATERIALSno. 1 (2023)
Physical Review Materialsno. 1 (2023)
PHYSICAL REVIEW Bno. 16 (2022)
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