| About this Abstract |
| Meeting |
MS&T23: Materials Science & Technology
|
| Symposium
|
Advances in Dielectric Materials and Electronic Devices
|
| Presentation Title |
Ferroelectricity in 2D Sn-based Monochalcogenides and Their Heterostructures |
| Author(s) |
Ramesh Paudel, S. Pamir Alpay |
| On-Site Speaker (Planned) |
Ramesh Paudel |
| Abstract Scope |
In this study, we investigate the spontaneous in-plain electric polarization, phonon dispersion, and curie temperature to find the ferroelectric properties and phase transitions in monochalcogenides SnX(X = S, Se), as well as their heterostructure on the basis of density functional theory (DFT) calculations. The magnitude of spontaneous polarization of the SnS monolayer is about 2.78 C/m, which is comparable with other available theoretical results. Our findings reveal that the heterostructure (SnS/GeSe) possesses an intrinsic polarization of 3.71 C/m. Formation energy and phonon dispersion confirmed the stability of monolayers of ferroelectric phases and their heterostructures. We further investigate the electronic properties of the ferroelectric phases and provide insights into their potential applications in non-volatile memory. |