Growth of III-nitrides by molecular beam epitaxy: Unconventional substrates for conventional semiconductors

P Prajapat, DK Singh, G Gupta - Materials Science and Engineering: B, 2023 - Elsevier
III-nitrides are intriguing materials with the potential to be used in various interdisciplinary
applications, including high-power optoelectronics, energy conversion, green technologies …

LiNbO3 surfaces from a microscopic perspective

S Sanna, WG Schmidt - Journal of Physics: Condensed Matter, 2017 - iopscience.iop.org
A large number of oxides has been investigated in the last twenty years as possible new
materials for various applications ranging from opto-electronics to heterogeneous catalysis …

Lithium niobate -cut, -cut, and -cut surfaces from ab initio theory

S Sanna, WG Schmidt - Physical Review B—Condensed Matter and Materials …, 2010 - APS
Density-functional theory calculations of the LiNbO 3 (2 1¯ 1¯ 0),(1 1¯ 00), and (0001)
surfaces, commonly referred to as X, Y, and Z cuts, are presented. In case of the Z cut, we …

GaN-Based Enhancement-Mode Metal–Oxide–Semiconductor High-Electron Mobility Transistors Using LiNbO3 Ferroelectric Insulator on Gate-Recessed Structure

CT Lee, CL Yang, CY Tseng, JH Chang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
To fabricate AlGaN/gallium nitride (GaN) enhancement-mode metal-oxide-semiconductor
high-electron mobility transistors (E-MOSHEMTs), the gate-recessed structure and the …

High-performance GaN ultraviolet polarization-sensitive photodetector based on ferroelectric polarization LiNbO3

W Zhang, Z Fang, Y Xie, Y Lin, B Chen, Y Liu… - Applied Physics …, 2024 - pubs.aip.org
High responsivity ultraviolet (UV) photodetectors (PDs) are essential for abundant civilian
and military applications. Gallium nitride (GaN) has emerged as an ideal material for UV PD …

Temperature dependent LiNbO3 (0 0 0 1): Surface reconstruction and surface charge

S Sanna, R Hölscher, WG Schmidt - Applied surface science, 2014 - Elsevier
Abstract The polar (0 0 0 1) surface of stoichiometric LiNbO 3 undergoes a series of
structural transformations with temperature. This complex behavior mirrors the action of …

Polarization-dependent water adsorption on the LiNbO(0001) surface

S Sanna, R Hölscher, WG Schmidt - Physical Review B—Condensed Matter …, 2012 - APS
The effect of ferroelectric poling on the adsorption characteristics of water at lithium niobate
surfaces is investigated by ab initio calculations. Thereby we model the adsorption of H 2 O …

Atomic-resolution imaging of the polar (000) surface of LiNbO in aqueous solution by frequency modulation atomic force microscopy

S Rode, R Hölscher, S Sanna, S Klassen… - Physical Review B …, 2012 - APS
Atomic resolution images of the polar (000 1¯) surface of lithium niobate (LiNbO 3) are
achieved by frequency modulation atomic force microscopy operated at the solid-water …

Charge compensation by long-period reconstruction in strongly polar lithium niobate surfaces

S Sanna, S Rode, R Hölscher, S Klassen… - Physical Review B …, 2013 - APS
The microscopic structure of the polar (000 1¯) and (0001) surfaces of lithium niobate is
investigated by atomic-resolution frequency modulation atomic force microscopy and first …

Valence band offset of InN/BaTiO3 heterojunction measured by X-ray photoelectron spectroscopy

C Jia, Y Chen, Y Guo, X Liu, S Yang, W Zhang… - Nanoscale research …, 2011 - Springer
X-ray photoelectron spectroscopy has been used to measure the valence band offset of the
InN/BaTiO 3 heterojunction. It is found that a type-I band alignment forms at the interface …