Results 31 to 40 of about 10,183,589 (342)

Relative Stability and Local Curvature Analysis in Carbon Nanotori [PDF]

, 2015
We introduce a concise formalism to characterize nanometer-sized tori based on carbon nanotubes and to determine their stability by combining {\em ab initio} density functional calculations with a continuum elasticity theory approach that requires only ...
Chuang, Chern, Guan, Jie, Jin, Bih-Yaw, Tomanek, David, Witalka, David, Zhu, Zhen   +5 more
core   +2 more sources

Energy levels in polarization superlattices: a comparison of continuum strain models [PDF]

, 2003
A theoretical model for the energy levels in polarization superlattices is presented. The model includes the effect of strain on the local polarization-induced electric fields and the subsequent effect on the energy levels.
, Auld B A, B Jogai, Bahder T B, Bernardini F, Cheng C C Kao K S Chen Y C, E Pan, Halsall M P, Hedin L, J D Albrecht, Löbl H P Klee M Wunnicke O Dekker R Pelt E V, Nye J F, Smith D L, Suzuki N, Suzuki N, Suzuki N, Suzuki N, Zelenka J   +17 more
core   +1 more source

Soft-Tissue Material Properties and Mechanogenetics during Cardiovascular Development

Journal of Cardiovascular Development and Disease, 2022
During embryonic development, changes in the cardiovascular microstructure and material properties are essential for an integrated biomechanical understanding.
Hummaira Banu Siddiqui, Sedat Dogru, Seyedeh Samaneh Lashkarinia, Kerem Pekkan   +3 more
doaj   +1 more source

Shear strengths of fractures in Tak granite under orthotropic stresses [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2019
The objective of this study is to determine the shearing resistance of fractures in Tak granite as affected by orthotropic stress states where σ1≠σ2≠σ3.
Pajeeraporn Weingchanda, Supattra Khamrat, Thanitta Thongprapa, Kittitep Fuenkajorn   +3 more
doaj   +1 more source

Research on the Evolution and Damage Mechanism of Normal Fault Based on Physical Simulation Experiments and Particle Image Velocimetry Technique

Energies, 2021
The formation and evolution of (normal) fault affect the formation and preservation of some reservoirs, such as fault-block reservoirs and faulted reservoirs. Strain energy is one of the parameters describing the strength of tectonic activity.
Xianfeng Peng, Hucheng Deng, Jianhua He, Hongde Chen, Yeyu Zhang   +4 more
doaj   +1 more source

Strain-induced energy band gap opening in two-dimensional bilayered silicon film

, 2015
This work presents a theoretical study of the structural and electronic properties of bilayered silicon films under in-plane biaxial strain/stress using density functional theory.
Ji, Zhonghang, Voon, Lok C. Lew Yan, Zhou, Ruiping, Zhuang, Yan   +3 more
core   +1 more source

Interacting Dirac fermions under spatially alternating pseudo-magnetic field: Realization of spontaneous quantum Hall effect [PDF]

, 2015
Both topological crystalline insulators surfaces and graphene host multi-valley massless Dirac fermions which are not pinned to a high-symmetry point of the Brillouin zone.
Fu, Liang, Venderbos, Jörn W. F.
core   +2 more sources

Strain controlled oxygen vacancy formation and ordering in CaMnO$_3$

, 2013
We use first-principles calculations to investigate the stability of bi-axially strained \textit{Pnma} perovskite CaMnO$_3$ towards the formation of oxygen vacancies.
Aschauer, Ulrich, Grande, Tor, Pfenninger, Reto, Selbach, Sverre M., Spaldin, Nicola A.   +4 more
core   +1 more source

Observation of Quantum Hall Valley Skyrmions [PDF]

, 2005
We report measurements of the interaction-induced quantum Hall effect in a spin-polarized AlAs two-dimensional electron system where the electrons occupy two in-plane conduction band valleys.
E. P. De Poortere, M. Rasolt, M. Shayegan, N. C. Bishop, S. Misra, Y. P. Shkolnikov   +5 more
core   +1 more source

Study on Mechanical and Acoustic Emission Characteristics of Coal Rock Under Cyclic Loading

Meikuang Anquan, 2020
In order to study the mechanical characteristics of coal deformation and failure and the evolution of acoustic emission b value of coal in parallel bedding direction, the coal sample in Bijie Mining Area of Guizhou Province is taken as the research ...
DENG Chuan
doaj   +1 more source