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The performance of an organic-semiconductor device is critically determined by the geometric alignment, orientation, and ordering of the organic molecules. While an organic multilayer eventually adopts the crystal structure of the organic…

The two-dimensional electron gas (2DEG) found in KTaO3-based interfaces has garnered attention due to its remarkable electronic properties. In this study, we investigated the conducting system embedded at the Si3N4/Al//KTO(110)…

Aluminum oxide (Al2O3) has been grown by atomic layer deposition on n-type 4H-SiC with and without a thin silicon dioxide (SiO2) intermediate layer. By means of Capacitance Voltage and Thermal Dielectric Relaxation Current measurements, the…

Materials Science · Physics 2007-05-23 Marc Avice , Ulrike Grossner , Ioana Pintilie , Bengt G. Svensson , Ola Nilsen , Helmer Fjellvag

A high-intensity proton beam exposure with 181 MeV energy has been conducted at Brookhaven Linac Isotope Producer facility on various material specimens for accelerator targetry applications, including titanium alloys as a beam window…

Fretting wear is a surface degradation process caused by oscillatory motion and contact slipping. During gross slip, high local stresses and plastic deformation in the surface and subsurface can lead to the creation of a nanosized grained…

We study the chemical nature of the bonding of an oxide layer to the parent metal. In order to disentangle chemical effects from strain/misfit, Ti(10$\bar{1}$0)/TiO$_{2}$(100) interface has been chosen. We use the density functional…

Materials Science · Physics 2012-12-10 Linggang Zhu , Graeme J. Ackland

We report a study on the interface between polar high-k materials and the Si(001)-(2X1) reconstructed surface with LaAlO3 taken as a prototype material. The construction of the interface is based on the prior growth of metal lines followed…

Materials Science · Physics 2015-06-25 Isabelle Devos , Pierre Boulenc

The microstructural features and high-temperature oxidation resistance of hybrid (TiC+TiB) networks reinforced Ti-6Al-4V composites were investigated after fabricated with reaction hot pressing technique. The inhomogeneous distribution of…

Materials Science · Physics 2019-11-26 Shaolou Wei , Lujun Huang , Xinting Li , Qi An , Lin Geng

A new $\beta$-metastable Ti-alloy is designed with the aim to obtain a TWIP alloy but positioned at the limit between the TRIP/TWIP and the TWIP dominated regime. The designed alloy exhibits a large ductility combined with an elevated and…

The structural features of the interface between the cystalline and amorphous phases of Si solid are studied in simulations based on a combination of empirical interatomic potentials and a nonorthogonal tight-binding model. The…

Materials Science · Physics 2009-10-31 N. Bernstein , M. J. Aziz , E. Kaxiras

It is important to understand whether $\alpha$-clustering structures can leave traces in ultra-relativistic heavy ion collisions. Using the modified AMPT model, we simulate three $\alpha$ + core configurations of $^{44}$Ti in…

Nuclear Theory · Physics 2024-04-05 Yu-Xuan Zhang , Song Zhang , Yu-Gang Ma

The lattice parameters, lattice stability and phonon dispersion curves of five proposed phases of Ti: alpha, beta, gamma, delta and omega are investigated within DFT. It is found that the sequence of high pressure phases at zero temperature…

Materials Science · Physics 2014-12-23 Uri Argaman , Eitan Eidelstein , Ohad Levy , Guy Makov

The chemical mixing at the Fe-on-Ti and Ti-on-Fe, i.e. the bottom and top interfaces of Fe in atomically deposited layers, were studied experimentally and by molecular dynamics simulations of the layer growth. The basic structure and…

Mesoscale and Nanoscale Physics · Physics 2017-12-20 P. Süle , L. Bottyán , L. Bujdosó , Z. E. Horváth D. Kaptás A. Kovács , D. G. Merkel , A. Nakanishi , Sz. Sajti , J. Balogh

The structure of titanium films on \alpha - Al2O3(0001) surfaces at room temperature was investigated through in situ reflection high energy electron diffraction (RHEED). The \alpha-phase of titanium was observed to grow with the Ti(0001)…

Materials Science · Physics 2007-05-23 E. Sondergard , O. Kerjan , C. Barreteau , J. Jupille

An atomically flat interface is achieved between face-centered cubic Al and diamond lattice Ge via molecular beam epitaxy (MBE). Based on the measurements of scanning tunneling microscopy (STM), we demonstrate an atomically resolved lateral…

Mesoscale and Nanoscale Physics · Physics 2025-10-10 Ding-Ming Huang , Jian-Huan Wang , Jie-Yin Zhang , Yuan Yao , H. Q. Xu , Jian-Jun Zhang

We present a computational study of the adhesive and structural properties of the Al/Al2O3 interfaces as building blocks of the Metal-Insulator-Metal (MIM) tunnel devices, where electron transport is accomplished via tunnelling mechanism…

Mesoscale and Nanoscale Physics · Physics 2018-05-09 M. Koberidze , M. J. Puska , R. M. Nieminen

The thermal interface conductance between Al and Si was simulated by a non-equilibrium molecular dynamics method. In the simulations, the coupling between electrons and phonons in Al are considered by using a stochastic force. The results…

This paper presents a review on the superplastic forming of Ti-6Al-4V alloy, which has been used to manufacture parts of complex shapes and geometries. This paper outlines the major work carried out on this front in the past three decades.…

Applied Physics · Physics 2022-03-14 Akhil Agnihotri , Sai Akula Pratyush , Amit Kumar Gupta

A stack of titanium foils was irradiated with 136 MeV 136Xe to study microstructure damage and phase stability of titanium upon irradiation. X- ray diffraction, scanning electron microscopy/energy dispersive spectroscopy and atomic force…

Nuclear Experiment · Physics 2015-06-12 S. Sadi , A. Paulenova , W. Loveland , P. R. Watson , J. P. Greene , S. Zhu , G. Zinkann

The band offsets and the chemical bonding at the interfaces between (-201) $\beta$-Ga$_2$O$_3$ and Al$_2$O$_3$ polymorphs are studied through hybrid functional calculations. For alumina, we consider four representative phases, i.e.,…

Materials Science · Physics 2022-09-15 Sai Lyu