Search Results - "Makarem, Sara"
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Observation of solid-state bidirectional thermal conductivity switching in antiferroelectric lead zirconate (PbZrO3)
Published in Nature communications (23-03-2022)“…Materials with tunable thermal properties enable on-demand control of temperature and heat flow, which is an integral component in the development of…”
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Emergent interface vibrational structure of oxide superlattices
Published in Nature (London) (27-01-2022)“…As the length scales of materials decrease, the heterogeneities associated with interfaces become almost as important as the surrounding materials. This has…”
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Direct Visualization of Localized Vibrations at Complex Grain Boundaries
Published in Advanced materials (Weinheim) (01-03-2023)“…Grain boundaries (GBs) are a prolific microstructural feature that dominates the functionality of a wide class of materials. The functionality at a GB results…”
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Direct Visualization of Localized Vibrations at Complex Grain Boundaries (Adv. Mater. 13/2023)
Published in Advanced materials (Weinheim) (29-03-2023)“…SrTiO3 Grain Boundaries Using an electron microscope with ultrahigh‐energy‐resolution enables direct imaging of local structure, nonstoichiometry, and chemical…”
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Increased thermal conductivity and decreased electron–phonon coupling factor of the aluminum scandium intermetallic phase (Al3Sc) compared to solid solutions
Published in Applied physics letters (13-05-2024)“…Aluminum scandium alloys and their intermetallic phases have arisen as potential candidates for the next generation of electrical interconnects. In this work,…”
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Optical and thermal properties of Ge 2 Sb 2 Te 5 , Sb 2 Se 3 , and Sb 2 S 3 for reconfigurable photonic devices [Invited]
Published in Optical materials express (01-11-2023)“…Phase change materials (PCMs) are one of the most promising materials candidates for reconfigurable optics owing to their two solid-state atomic structures…”
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Optical and thermal properties of Ge2Sb2Te5, Sb2Se3, and Sb2S3 for reconfigurable photonic devices
Published in Optical materials express (01-11-2023)“…Phase change materials (PCMs) are one of the most promising materials candidates for reconfigurable optics owing to their two solid-state atomic structures…”
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Ruddlesden-Popper chalcogenides push the limit of mechanical stiffness and glass-like thermal conductivity in single crystals
Published 05-12-2023“…Insulating materials featuring ultralow thermal conductivity for diverse applications also require robust mechanical properties. Conventional thinking,…”
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Direct Visualization of Localized Vibrations at Complex Grain Boundaries
Published 30-07-2022“…Grain boundaries (GBs) are a prolific microstructural feature that dominates the functionality of a wide class of materials. The change in functionality at a…”
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10
Nanoscale Phonon Spectroscopy Reveals Emergent Interface Vibrational Structure of Superlattices
Published 04-10-2021“…Nature 601, 556 (2022) As the length-scales of materials decrease, heterogeneities associated with interfaces approach the importance of the surrounding…”
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