Composition and temperature dependent remanent polarization and coercive field in wurtzite AlScN ferroelectric memory materials
Source abstract
Abstract
We investigate the Sc dependence and thermal sensitivity of Al1−xScxN with the aid of Landau–Devonshire free energy recently proposed for its wurtzite ferroelectric phase. In particular, we calculate compositional and temperature dependences of the remanent polarization and the coercive field. Because the polarization is strong, surface fluctuations of the polarization are expected; we examine the nature of these fluctuations. Strong correlation is expected as the ferroelectric phase gives way to the paraelectric phase.
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Research context
OpenAlex topics: Acoustic Wave Resonator Technologies · Ferroelectric and Piezoelectric Materials · Solid-state spectroscopy and crystallography
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Science, Mathematics and Technology, and The AI Mega Centre, Singapore University of Technology and Design 1 , Singapore 487372,
Institute of Microelectronics, Agency for Science, Technology and Research (A*STAR) 2 , 2 Fusionopolis Way, Innovis #08-02, Singapore 138634,
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