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Vibrational properties of LiNbO$_3$ and LiTaO$_3$ under uniaxial stress

Autor: Singh, Ekta, Pionteck, Mike N., Reitzig, Sven, Lange, Michael, Rüsing, Michael, Eng, Lukas M., Sanna, Simone

Structural strain severely impacts material properties such as the linear and non-linear optical response. Moreover, strain plays a key role, e.g., in the physics of ferroelectrics and in particular of their domain walls. $\mu$-Raman spectroscopy is

Externí odkaz: http://arxiv.org/abs/2210.14120

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Impact of 3D curvature on the polarization orientation in non-Ising domain walls

Autor: Acevedo-Salas, Ulises, Croes, Boris, Zhang, Yide, Cregut, Olivier, Dorkenoo, Kokou Dodzi, Kirbus, Benjamin, Singh, Ekta, Beccard, Henrik, Rüsing, Michael, Eng, Lukas M., Hertel, Riccardo, Eliseev, Eugene A., Morozovska, Anna N., Cherifi-Hertel, Salia

Ferroelectric domain boundaries are quasi-two-dimensional functional interfaces with high prospects for nanoelectronic applications. Despite their reduced dimensionality, they can exhibit complex non-Ising polarization configurations and unexpected p

Externí odkaz: http://arxiv.org/abs/2207.01307

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Tuning the domain wall conductivity in bulk lithium niobate by uniaxial stress

Autor: Singh, Ekta, Beccard, Henrik, Amber, Zeeshan H., Ratzenberger, Julius, Hicks, Clifford W., Rüsing, Michael, Eng, Lukas M.

Conductive domain walls (CDWs) in insulating ferroelectrics have recently attracted considerable attention due to their unique topological, optical, and electronic properties, and offer potential applications such as in memory devices or re-writable

Externí odkaz: http://arxiv.org/abs/2205.00959

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