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Creators/Authors contains: "Georgescu, Alexandru B"

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  1. ; ; ; ; ; ; ; (, Accounts of Materials Research)
    Free, publicly-accessible full text available June 27, 2026
  2. ; ; ; ; ; ; ; ; ; ; et al (, Science Advances)
    Tomographic spectroscopy reveals how the properties of topological materials can be engineered at interfaces. 
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    Full Text Available 
  3. ; ; ; ; ; ; (, Physical Review B)
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  4. ; ; ; ; ; ; ; ; ; ; et al (, Nature Physics)
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  5. ; ; ; ; ; (, npj Quantum Materials)
    Abstract At crystalline interfaces where a valence-mismatch exists, electronic, and structural interactions may occur to relieve the polar mismatch, leading to the stabilization of non-bulk-like phases. We show that spontaneous reconstructions at polar La0.7Sr0.3MnO3interfaces are correlated with suppressed ferromagnetism for film thicknesses on the order of a unit cell. We investigate the structural and magnetic properties of valence-matched La0.7Sr0.3CrO3/La0.7Sr0.3MnO3interfaces using a combination of high-resolution electron microscopy, first principles theory, synchrotron X-ray scattering and magnetic spectroscopy and temperature-dependent magnetometry. A combination of an antiferromagnetic coupling between the La0.7Sr0.3CrO3and La0.7Sr0.3MnO3layers and a suppression of interfacial polar distortions are found to result in robust long-range ferromagnetic ordering for ultrathin La0.7Sr0.3MnO3. These results underscore the critical importance of interfacial structural and magnetic interactions in the design of devices based on two-dimensional oxide magnetic systems. 
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  6. ; ; ; ; ; ; ; ; (, Chemistry of Materials)