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Related papers: Supersaturation model for InN PA-MOCVD

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In this paper, we present the effect of various growth parameters of PA-MOCVD on the plasma potential. The impact of varying plasma potential on the growth and structural properties of the InN films, and how the growth process and film…

Plasma Physics · Physics 2023-08-24 Zaheer Ahmad , Alexander Kozhanov

Thin InN and GaN/InN films were grown on oxygen-polar (O) (000-1) and zinc-polar (Zn) (0001) zinc oxide (ZnO) by plasma-assisted molecular beam epitaxy (PAMBE). The influence of the growth rate (GR) and the substrate polarity on the growth…

Materials Science · Physics 2018-10-17 Torsten Ernst , Caroline Chèze , Raffaella Calarco

Conceptual 2D group III nitrides and oxides (e.g., 2D InN and 2D InO) in heterostructures with graphene have been realized by metalorganic chemical vapor deposition (MOCVD). MOCVD is credited with being central to fabrication of established…

Materials Science · Physics 2022-06-22 D. G. Sangiovanni , R. Faccio , G. K. Gueorguiev , A. Kakanakova-Georgieva

Orthorhombic-structured II-IV nitrides provide a promising opportunity to expand the material platform while maintaining compatibility with the wurtzite crystal structure of the traditional III-nitride material system. Among them,…

Indium incorporation and surface morphology of InAlN layers grown on (0001)GaN by plasma-assisted molecular beam epitaxy were investigated as a function of the impinging In flux and the substrate temperature in the 450-610$^{\circ}$C range.…

Applied Physics · Physics 2024-02-01 S. Fernández-Garrido , Ž. Gačević , E. Calleja

Ammonia (NH3) is commonly used as group V precursor in gallium nitride (GaN) metalorganic chemical vapor deposition (MOCVD). The high background carbon (C) impurity in MOCVD GaN is related to the low pyrolysis efficiency of NH3, which…

Applied Physics · Physics 2021-07-07 Yuxuan Zhang , Zhaoying Chen , Kaitian Zhang , Zixuan Feng , Hongping Zhao

We report the interplay between In incorporation and strain relaxation kinetics in high-In-content InxGa1-xN (x = 0.3) layers grown by plasma-assisted molecular-beam epitaxy. For In mole fractions x = 0.13-0.48, best structural and…

Defect related disorder during InN growth is a major challenge for making high performance electronic and optoelectronic devices. This is partly because film quality is often described using reactor specific settings instead of general…

Materials Science · Physics 2026-01-13 Zaheer Ahmad , Osama A. Rana , Shakeel Ahmad , Mark Vernon , Brendan Cross , Alexander Kozhanov

Indium selenide compounds are promising materials for energy conversion, spintronic applications, and chemical sensing. However, it is difficult to grow stoichiometric indium selenide crystals due to the high equilibrium selenium vapor…

Materials Science · Physics 2021-10-22 Chao Tang , Yohei Sato , Katsuya Watanabe , Tadao Tanabe , Yutaka Oyama

Thin Si-doped Al-rich (Al>0.85) regrown Al(Ga)N layers were deposited on AlN on Sapphire template using metal-organic chemical vapor deposition (MOCVD) techniques. The optimization of the deposition conditions such as temperature, V/III…

Networks of vertically c-oriented prism shaped InN nanowalls, are grown on c-GaN/sapphire templates using a CVD technique, where pure indium and ammonia are used as metal and nitrogen precursors. A systematic study of the growth, structural…

Materials Science · Physics 2018-04-18 B. K. Barick , Rajendra Kumar Saroj , Nivedita Prasad , S. Dhar

In this paper the lubrication-type dynamical model is developed of a molten, pulsed laser-irradiated metallic film. The heat transfer problem that incorporates the absorbed heat from a single beam or interfering beams is solved…

Fluid Dynamics · Physics 2020-12-03 A. Atena , M. Khenner

Two-dimensional (2D) indium selenide (InSe) is a layered semiconductor with high electron mobility and a tunable band gap ranging from 1.25 eV in the bulk to 2.8 eV in the monolayer limit. These properties make these materials strong…

The authors have applied positron annihilation spectroscopy to study the effect of different growth conditions on vacancy formation in In- and N-polar InN grown by plasma-assisted molecular beam epitaxy. The results suggest that the…

Materials Science · Physics 2015-05-20 Floris Reurings , Filip Tuomisto , Chad S. Gallinat , Gregor Koblmüller , James S. Speck

Plasma-enhanced chemical vapor deposition (PECVD) of silicon dioxide (SiO$_2$) is widely used for low-temperature fabrication of dielectric thin films, yet its atomic-scale growth mechanisms remain incompletely understood. In this work, we…

Microwave plasma chemical vapor deposition (MPCVD) has been traditionally used to synthesize carbon-based materials such as diamonds, carbon nanotubes and graphene. Here we report that a rapid and catalyst-free growth of SnSe thin films can…

Materials Science · Physics 2020-04-07 Yuyu Feng , Xi Zhang , Li Lei , Ya Nie , Gang Xiang

AlScN thin films were grown via metalorganic chemical vapor deposition (MOCVD), showing controllable incorporation of scandium (Sc) into the AlN lattices. Systematic variation of growth parameters demonstrated an obvious influence on Sc…

The strain state and composition of a 400 nm thick (In,Ga)N layer grown by metal-organic chemical vapor deposition on a GaN template are investigated by spatially integrated x-ray diffraction and cathodoluminescence (CL) spectroscopy as…

Materials Science · Physics 2013-02-06 Benjamin Wilsch , Uwe Jahn , Bernd Jenichen , Jonas Lähnemann , Holger T. Grahn

We report on the impact of growth conditions on surface hillock density of N-polar GaN grown on nominally on-axis (0001) sapphire substrate by metal organic chemical vapor deposition (MOCVD). Large reduction in hillock density was achieved…

Materials Science · Physics 2017-05-12 Jonathan Marini , Jeffrey Leathersich , Isra Mahaboob , John Bulmer , Neil Newman , F. , Shahedipour-Sandvik

Due to their high kinetic inductance, highly disordered superconducting thin films are a potential hardware for the realization of compact, low-noise elements in cryoelectronic applications. However, high disorder typically results in…

Superconductivity · Physics 2026-02-12 J. Lorenz , S. Linzen , M. Ziegler , G. Oelsner , R. Stolz , F. S. Tautz , F. Lüpke , E. Il'ichev
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