You are currently on the new version of our website. Access the old version .

230 Results Found

  • Article
  • Open Access
16 Citations
6,862 Views
21 Pages

12 October 2017

Geostrophic turbulent eddies play a crucial role in the oceans, mixing properties such as heat, salt, and geochemical tracers. A useful reduced model for geostrophic turbulence is barotropic (2D) turbulence. The focus of this study is on 2D β -p...

  • Article
  • Open Access
12 Citations
3,109 Views
8 Pages

The Effect of a Nucleation Layer on Morphology and Grain Size in MOCVD-Grown β-Ga2O3 Thin Films on C-Plane Sapphire

  • Lauris Dimitrocenko,
  • Gundars Strikis,
  • Boris Polyakov,
  • Liga Bikse,
  • Sven Oras and
  • Edgars Butanovs

24 November 2022

β-Ga2O3 thin films grown on widely available c-plane sapphire substrates typically exhibit structural defects due to significant lattice and thermal expansion mismatch, which hinder the use of such films in electronic devices. In this work, we s...

  • Article
  • Open Access
5 Citations
2,790 Views
11 Pages

In this paper, we demonstrate the direct epitaxial growth of c-plane GaN on a preheated (−2 0 1) β-Ga2O3 single-crystal substrate with no interlayer or pre-patterning processes by using the atmospheric pressure metalorganic chemical vapor deposition...

  • Article
  • Open Access
10 Citations
3,301 Views
26 Pages

Aiming at the yaw stability problem of a four-wheel independent-drive electric vehicle (EV) during steering, this paper proposes an adaptive sliding mode control strategy (ASMC) for yaw stability based on the phase plane. The control strategy adopts...

  • Proceeding Paper
  • Open Access
2 Citations
1,371 Views
7 Pages

This study performs a sensitivity analysis of strong cyclone track deflection over isolated topography, exploring the impacts of vortex impinging direction and strength. A dynamic model investigates track adjustments of cyclonic vortices on a β-...

  • Article
  • Open Access
238 Views
20 Pages

30 November 2025

This paper presents a mathematical model that describes the propagation of internal inertia–gravity waves in a stratified atmosphere under the approximations of an incompressible fluid and a traditional β-plane. It demonstrates that, in th...

  • Article
  • Open Access
2 Citations
2,946 Views
10 Pages

28 August 2020

The release of available potential energy by growing baroclinic instability requires the slope of the eddy fluxes to be shallower than that of mean density surfaces, where the amount of energy released depends on both the flux angle and the distance...

  • Article
  • Open Access
10 Citations
3,568 Views
25 Pages

20 November 2019

Research findings suggest that water (hydrological) cycle of the earth intensifies in response to climate change, since the amount of water that evaporates from the ocean and land to the atmosphere and the total water content in the air will increase...

  • Communication
  • Open Access
4 Citations
6,054 Views
11 Pages

15 November 2013

The magnetic properties of 1 nm thick in-plane anisotropic Co ultrathin film on ZnO(0001) were investigated through successive 500 eV nitrogen-ion sputtering. Magneto-optical Faraday effects were used to observe the evolution of the ion-irradiated s...

  • Article
  • Open Access
24 Citations
2,226 Views
30 Pages

Progressive Fracture Behavior and Acoustic Emission Release of CJBs Affected by Joint Distance Ratio

  • Yongyi Wang,
  • Bin Gong,
  • Yongjun Zhang,
  • Xiaoyu Yang and
  • Chun’an Tang

6 November 2022

The progressive collapse behavior and energy release of columnar jointed basalts (CJBs) can be greatly influenced by different joint distance ratios. By adopting the digital image correlation, a series of heterogeneous CJB models are established. The...

  • Article
  • Open Access
5 Citations
2,266 Views
15 Pages

The Anisotropic Electrochemical Machinability of Laser Cladding Deposited Ti6Al4V Alloy in NaCl Solution

  • Jiaqiang Li,
  • Yuan Yang,
  • Gangxian Zhu,
  • Chengfeng Sun,
  • Yiyang Chen,
  • Kejun Wang and
  • Shihong Shi

19 May 2022

The hybrid manufacturing method of laser cladding deposition (LCD) additive manufacturing and electrochemical machining (ECM) is a promising approach to advanced manufacturing technology for difficult machined materials. The anisotropic electrochemic...

  • Article
  • Open Access
4 Citations
2,122 Views
10 Pages

8 August 2023

Titanium alloys are characterized by insufficient ductility. One of the parameters affecting their ductility is their crystal structure and texture. The present study characterizes the changes in the crystallographic texture of the Ti-3Al-8V-6Cr-4Zr-...

  • Article
  • Open Access
1 Citations
3,061 Views
8 Pages

Morphology and Growth Mechanism of β-Rhombohedral Boron and Pentagonal Twins in Cu Alloy

  • Junqing Han,
  • Wentao Yuan,
  • Yihan Wen,
  • Zuoshan Wei,
  • Tong Gao,
  • Yuying Wu and
  • Xiangfa Liu

25 October 2022

In this work, boron particles with β-rhombohedral structure were prepared in Cu-4B alloy. The morphology and growth mechanism of β-B and pentagonal twins were analyzed. Results show that boron crystals possessed an approximate octahedral st...

  • Article
  • Open Access
6 Citations
3,610 Views
16 Pages

Strain engineering is a promising and fascinating approach to tailoring the electrical and optical properties of 2D materials, which is of great importance for fabricating excellent nano-devices. Although previous theoretical works have proved that t...

  • Article
  • Open Access
1 Citations
1,644 Views
22 Pages

Experimental and Numerical Investigations on the Slate Shearing Mechanical Behavior

  • Jinze Gu,
  • Ming Huang,
  • Fuqiang Ren,
  • Chun Zhu,
  • Zhanbo Cheng,
  • Zhengxiong Bai and
  • Zhiyu Song

9 October 2024

Multi-scale assessment of shear behavior in the tunnel carbonaceous slate is critical for evaluating the stability of the surrounding rock. In this study, direct shear tests were conducted on carbonaceous slates from the Muzhailing Tunnel, considerin...

  • Article
  • Open Access
12 Citations
2,656 Views
28 Pages

20 October 2022

The vibration excited by gas-liquid multiphase flow endangers the structural instability and fatigue life of subsea jumpers due to the cyclic behavior. In this paper, the multiphase flow-induced vibration (MFIV) of an M-shaped jumper is numerically i...

  • Article
  • Open Access
1,597 Views
16 Pages

1 March 2025

An accurate understanding of the tensile mechanical behavior of shale rock is essential for optimizing shale gas drilling and hydraulic fracturing operations. However, the mechanical behavior of shale is significantly influenced by its anisotropy. Th...

  • Article
  • Open Access
3 Citations
3,021 Views
11 Pages

Electronic Origin of α″ to β Phase Transformation in Ti-Nb-Based Thin Films upon Hf Microalloying

  • José Julio Gutiérrez Moreno,
  • Nikolaos T. Panagiotopoulos,
  • Georgios A. Evangelakis and
  • Christina E. Lekka

12 March 2020

We present results on thin Ti-Nb-based films containing Hf at various concentrations grown by magnetron sputtering. The films exhibit α” patterns at Hf concentrations up to 11 at.%, while at 16 at.% Hf, the β-phase emerges as a stabl...

  • Article
  • Open Access
16 Citations
4,564 Views
34 Pages

13 May 2022

Phase transformations that take place in nanocrystalline Ag2S silver sulfide have been systematically studied at temperatures from 298 to 893 K. The crystal structures of the polymorphic modifications α-Ag2S, β-Ag2S, and γ-Ag2S of na...

  • Article
  • Open Access
854 Views
16 Pages

Growth and Characterization of Ga2O3 for Power Nanodevices Using Metal Nanoparticle Catalysts

  • Badriyah Alhalaili,
  • Antony Joseph,
  • Latifa Al-Hajji,
  • Naser M. Ali,
  • Sowmya Dean and
  • Ahmad A. Al-Duweesh

29 July 2025

A simple and inexpensive thermal oxidation process is used to grow β-Ga2O3 oxide (β-Ga2O3) thin films/nanorods on a c-plane (0001) sapphire substrate using Ag/Au catalysts. The effect of these catalysts on the growth mechanism of Ga2O3 was...

  • Article
  • Open Access
5 Citations
3,169 Views
10 Pages

The Heteroepitaxy of Thick β-Ga2O3 Film on Sapphire Substrate with a β-(AlxGa1−x)2O3 Intermediate Buffer Layer

  • Wenhui Zhang,
  • Hezhi Zhang,
  • Song Zhang,
  • Zishi Wang,
  • Litao Liu,
  • Qi Zhang,
  • Xibing Hu and
  • Hongwei Liang

30 March 2023

A high aluminum (Al) content β-(AlxGa1−x)2O3 film was synthesized on c-plane sapphire substrate using the gallium (Ga) diffusion method. The obtained β-(AlxGa1−x)2O3 film had an average thickness of 750 nm and a surface roughnes...

  • Review
  • Open Access
7 Citations
4,088 Views
25 Pages

Evaluation of Strength Anisotropy in Foliated Metamorphic Rocks: A Review Focused on Microscopic Mechanisms

  • Umer Waqas,
  • Mohsin Usman Qureshi,
  • Shahab Saqib,
  • Hafiz Muhammad Awais Rashid and
  • Ali Murtaza Rasool

26 September 2024

This review paper addresses the recent and past advancements in investigating the anisotropic behavior of foliated metamorphic rock strength subjected to uniaxial or triaxial compression loading, direct or indirect tensile loading, and shear loading....

  • Article
  • Open Access
5 Citations
3,762 Views
13 Pages

Thickness-Dependent Evolutions of Surface Reconstruction and Band Structures in Epitaxial β–In2Se3 Thin Films

  • Qinghao Meng,
  • Fan Yu,
  • Gan Liu,
  • Junyu Zong,
  • Qichao Tian,
  • Kaili Wang,
  • Xiaodong Qiu,
  • Can Wang,
  • Xiaoxiang Xi and
  • Yi Zhang

Ferroelectric materials have received great attention in the field of data storage, benefiting from their exotic transport properties. Among these materials, the two-dimensional (2D) In2Se3 has been of particular interest because of its ability to ex...

  • Article
  • Open Access
7 Citations
3,496 Views
12 Pages

The Crystalline Structure of Thin Bismuth Layers Grown on Silicon (111) Substrates

  • Sandra Stanionytė,
  • Tadas Malinauskas,
  • Gediminas Niaura,
  • Martynas Skapas,
  • Jan Devenson and
  • Arūnas Krotkus

12 July 2022

Bismuth films with thicknesses between 6 and ∼30 nm were grown on Si (111) substrate by molecular beam epitaxy (MBE). Two main phases of bismuth — α-Bi and β-Bi — were identified from high-resolution X-ray diffraction (XRD)...

  • Article
  • Open Access
57 Citations
7,086 Views
24 Pages

20 December 2016

With the exploitation of shale gas booming all over the world, more and more studies are focused on the core technology, hydraulic fracturing, to improve commercial exploitation. Shale gas resources in China are enormous. In this research, a series o...

  • Article
  • Open Access
8 Citations
3,377 Views
14 Pages

Developing Mg-Gd-Dy-Ag-Zn-Zr Alloy with High Strength via Nano-Precipitation

  • Jinshu Xie,
  • Jinghuai Zhang,
  • Shujuan Liu,
  • Zihao You,
  • Zhi Zhang,
  • Tengfei Zhao,
  • Xiaobo Zhang and
  • Ruizhi Wu

29 March 2023

A high-performance Mg-10Gd-4Dy-1.5Ag-1Zn-0.5Zr (wt.%, EQ142X) alloy was designed by multi-element composite addition in this work, obtaining a high yield strength (~396 MPa) and ultimate tensile strength (~451 MPa) after hot extrusion and ageing. The...

  • Article
  • Open Access
28 Citations
9,121 Views
16 Pages

Development of a Fully Automated Graf Standard Plane and Angle Evaluation Method for Infant Hip Ultrasound Scans

  • Tao Chen,
  • Yuxiao Zhang,
  • Bo Wang,
  • Jian Wang,
  • Ligang Cui,
  • Jingnan He and
  • Longfei Cong

Background: Graf’s method is currently the most commonly used ultrasound-based technique for the diagnosis of developmental dysplasia of the hip (DDH). However, the efficiency and accuracy of diagnosis are highly affected by the sonographers&rs...

  • Article
  • Open Access
9 Citations
2,883 Views
13 Pages

12 October 2018

A mesoscopic mechanical model based on the Mori-Tanaka method and Eshelby’s inclusion theory was presented to investigate the uniform elastic deformation behavior of Ti6Al4V with β-Ti and α-Ti phases. In particular, elastic mechanics...

  • Article
  • Open Access
7 Citations
2,940 Views
15 Pages

26 June 2021

With the increase in PV system installations, the available free land and rooftops for these systems may become scarcer, and therefore sloped fields facing the north may be utilized for that purpose. In deployments of PV collectors in multiple rows,...

  • Article
  • Open Access
2,789 Views
12 Pages

Impaired Lumbar Extensor Force Control Is Associated with Increased Lifting Knee Velocity in People with Chronic Low-Back Pain

  • Adrian Pranata,
  • Joshua Farragher,
  • Luke Perraton,
  • Doa El-Ansary,
  • Ross Clark,
  • Denny Meyer,
  • Jia Han,
  • Benjamin Mentiplay and
  • Adam L. Bryant

31 October 2023

The ability of the lumbar extensor muscles to accurately control static and dynamic forces is important during daily activities such as lifting. Lumbar extensor force control is impaired in low-back pain patients and may therefore explain the varianc...

  • Article
  • Open Access
2 Citations
3,591 Views
10 Pages

Fermi Surface Structure and Isotropic Stability of Fulde-Ferrell-Larkin-Ovchinnikov Phase in Layered Organic Superconductor β″-(BEDT-TTF)2SF5CH2CF2SO3

  • Shiori Sugiura,
  • Hiroki Akutsu,
  • Yasuhiro Nakazawa,
  • Taichi Terashima,
  • Syuma Yasuzuka,
  • John A. Schlueter and
  • Shinya Uji

7 December 2021

The Fermi surface structure of a layered organic superconductor β″-(BEDT-TTF)2SF5CH2CF2SO3 was determined by angular-dependent magnetoresistance oscillations measurements and band-structure calculations. This salt was found to have two sma...

  • Article
  • Open Access
1,824 Views
9 Pages

Effects of Limbs’ Spasticity on Spinopelvic Alignment in Post-Stroke Patients: A Cross-Sectional Study

  • Luciano Bissolotti,
  • Alice Brojka,
  • Marika Vezzoli,
  • Stefano Calza,
  • Federico Nicoli,
  • Carlos Romero-Morales and
  • Jorge Hugo Villafañe

29 June 2024

Objectives: This study aimed to determine the impacts of upper and lower limb (UL and LL) spasticity and impairment on spinal alignment in chronic post-stroke patients. Methods: A total of 45 consecutive chronic post-stroke patients, 18 women and 27...

  • Article
  • Open Access
5 Citations
3,089 Views
36 Pages

Tomography of the Ie-Re and L-Sigma Planes

  • Mauro D’Onofrio and
  • Cesare Chiosi

24 December 2021

We have analyzed the distribution of early-type galaxies (ETGs) in the effective surface intensity vs. effective radius (Ie−Re) plane and in the total luminosity vs. central stellar velocity dispersion (L−σ) diagram, with the aim of studying the phys...

  • Article
  • Open Access
4 Citations
2,041 Views
28 Pages

24 November 2021

Ball-end cutters are widely used for machining the parts of Ti-6Al-4V, which have the problem of poor machined surface quality due to the low cutting speed near the tool tip. In this paper, through the experiments of inclined surface machining in dif...

  • Article
  • Open Access
1 Citations
2,107 Views
7 Pages

5 April 2022

Real-time structural changes in Na-β″-alumina were observed in situ using transmission electron microscopy (TEM) with electron beam irradiation. Na-β″-alumina has been widely investigated as a solid electrolyte material for sodi...

  • Article
  • Open Access
1 Citations
1,127 Views
12 Pages

28 January 2025

In this work, it is taken into account that in nature, due to pressure and temperature, water drops in general are either spherical or ellipsoidal. Thus, starting from a more general structure, a 3D elliptical surface (oblate spheroid) is constructed...

  • Article
  • Open Access
16 Citations
4,309 Views
9 Pages

In this work, we have achieved synthesizing large-area high-density β-Ga2O3 nanowires on c-plane sapphire substrate by metal–organic chemical vapor deposition assisted with Au nanocrystal seeds as catalysts. These nanowires exhibit one-dim...

  • Article
  • Open Access
7 Citations
3,118 Views
31 Pages

17 December 2021

The ability of PLLA, either amorphous or semicrystalline, to plastic deformation to large strain was investigated in a wide temperature range (Td = 70–140 °C). Active deformation mechanisms have been identified and compared for two differen...

  • Article
  • Open Access
2 Citations
2,188 Views
18 Pages

2 October 2023

This paper presents a study on the seismic performance of rectangular hollow section (RHS) X-joints subjected to in-plane bending moment (IPBM). The study began by testing two RHS joint specimens with varying brace-to-chord width ratios (β) unde...

  • Review
  • Open Access
27 Citations
6,631 Views
32 Pages

25 January 2024

Dislocation slips, twinning, shear banding (SBs), strain localization, and martensite formation are a few deformation modes that are activated in BCC metals and alloys. Strain, strain rate, and deformation temperature are other parameters that determ...

  • Article
  • Open Access
2 Citations
2,301 Views
21 Pages

Secondary Structure in Amyloids in Relation to Their Wild Type Forms

  • Irena Roterman,
  • Katarzyna Stapor and
  • Leszek Konieczny

21 December 2022

The amyloid structures and their wild type forms, available in the PDB database, provide the basis for comparative analyses. Globular proteins are characterised by a 3D spatial structure, while a chain in any amyloid fibril has a 2D structure. Anothe...

  • Article
  • Open Access
1,967 Views
16 Pages

12 February 2024

The structure of µ-oxobis(phthalocyaninato)gallium(III) (PcGaOGaPc) and the structure of a second modification of chloro(phthalocyaninato)gallium(III) (ClGaPc) has been determined by single-crystal X-ray analysis. Sublimation of the respective...

  • Feature Paper
  • Article
  • Open Access
13 Citations
5,077 Views
19 Pages

Centroid-Based Clustering with αβ-Divergences

  • Auxiliadora Sarmiento,
  • Irene Fondón,
  • Iván Durán-Díaz and
  • Sergio Cruces

19 February 2019

Centroid-based clustering is a widely used technique within unsupervised learning algorithms in many research fields. The success of any centroid-based clustering relies on the choice of the similarity measure under use. In recent years, most studies...

  • Article
  • Open Access
6 Citations
3,256 Views
15 Pages

28 October 2019

We consider a quantum charged particle moving in the x y plane under the action of a time-dependent magnetic field described by means of the linear vector potential of the form A = B ( t ) − y ( 1 + β ) , x ( 1 − &beta...

  • Article
  • Open Access
20 Citations
4,508 Views
8 Pages

Stable Electron Concentration Si-doped β-Ga2O3 Films Homoepitaxial Growth by MOCVD

  • Teng Jiao,
  • Zeming Li,
  • Wei Chen,
  • Xin Dong,
  • Zhengda Li,
  • Zhaoti Diao,
  • Yuantao Zhang and
  • Baolin Zhang

To obtain high-quality n-type doped β-Ga2O3 films, silane was used as an n-type dopant to grow Si-doped β-Ga2O3 films on (100) β-Ga2O3 substrates by metal-organic chemical vapor deposition (MOCVD). The electron concentrations of the Si-doped β-Ga2O3...

  • Review
  • Open Access
22 Citations
8,043 Views
19 Pages

Förster Resonance Energy Transfer (FRET) Correlates of Altered Subunit Stoichiometry in Cys-Loop Receptors, Exemplified by Nicotinic α4β2

  • Rahul Srinivasan,
  • Christopher I. Richards,
  • Crystal Dilworth,
  • Fraser J. Moss,
  • Dennis A. Dougherty and
  • Henry A. Lester

10 August 2012

We provide a theory for employing Förster resonance energy transfer (FRET) measurements to determine altered heteropentameric ion channel stoichiometries in intracellular compartments of living cells. We simulate FRET within nicotinic receptors (nACh...

  • Article
  • Open Access
8 Citations
3,421 Views
11 Pages

2 January 2020

Simultaneous measurements of wide-angle X-ray diffraction (WAXD) and differential scanning calorimetry (DSC) were carried out to investigate the phase transition and melting behaviors of poly(butylene adipate) (PBA). Thermal expansion changes along t...

  • Article
  • Open Access
12 Citations
8,004 Views
10 Pages

Reversible Single-Crystal-to-Single-Crystal Phase Transition of Chiral Salicylidenephenylethylamine

  • Akifumi Takanabe,
  • Takuro Katsufuji,
  • Kohei Johmoto,
  • Hidehiro Uekusa,
  • Motoo Shiro,
  • Hideko Koshima and
  • Toru Asahi

29 December 2016

The chiral crystal of enantiomeric (S)-N-3,5-di-tert-butylsalicylidene-1-phenylethylamine in the enol form [enol-(S)-1] undergoes a reversible single-crystal-to-single-crystal (SCSC) phase transition at Tc ≈ 3 °C from the room temperature α-form in o...

  • Article
  • Open Access
1 Citations
1,731 Views
11 Pages

29 September 2023

This study assessed arterial stiffness in head and neck cancer patients using speckle tracking carotid strain ultrasonography (STCS-US). It investigated the impacts of neck irradiation and neck dissection on the arterial stiffness of these patients b...

  • Article
  • Open Access
20 Citations
5,823 Views
12 Pages

25 January 2022

Gallium oxide (Ga2O3) is a semiconductor with a wide bandgap of ~5.0 eV and large breakdown voltages (>8 MV·cm−1). Among the crystal phases of Ga2O3, the monoclinic β-Ga2O3 is well known to be suitable for many device application...

of 5