Transmission phenomenon at the interface between isotropic and semiconductor nanostructure based on nonlocal theory

2019 ◽

Vol 6 (1) ◽

pp. 68-76 ◽

Cited By ~ 18

Author(s):

Subrat Kumar Jena ◽

S. Chakraverty

Keyword(s):

Boundary Conditions ◽

Differential Quadrature Method ◽

Nonlocal Parameter ◽

Transformation Method ◽

Nonlocal Theory ◽

Buckling Analysis ◽

Differential Quadrature ◽

Load Parameter ◽

Computationally Efficient ◽

Differential Transformation

AbstractIn this paper, two computationally efficient techniques viz. Differential Quadrature Method (DQM) and Differential Transformation Method (DTM) have been used for buckling analysis of Euler-Bernoulli nanobeam incorporation with the nonlocal theory of Eringen. Complete procedures of both the methods along with their mathematical formulations are discussed, and MATLAB codes have been developed for both the methods to handle the boundary conditions. Various classical boundary conditions such as SS, CS, and CC have been considered for investigation. A comparative study for the convergence of DQM and DTM approaches are carried out, and the obtained results are also illustrated to demonstrate the effects of the nonlocal parameter, aspect ratio (L/h) and the boundary condition on the critical buckling load parameter.

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Room-temperature electron spin polarization exceeding 90% in an opto-spintronic semiconductor nanostructure via remote spin filtering

Nature Photonics ◽

10.1038/s41566-021-00786-y ◽

2021 ◽

Author(s):

Yuqing Huang ◽

Ville Polojärvi ◽

Satoshi Hiura ◽

Pontus Höjer ◽

Arto Aho ◽

...

Keyword(s):

Spin Polarization ◽

Electron Spin ◽

Room Temperature ◽

Electron Spin Polarization ◽

Semiconductor Nanostructure ◽

Temperature Electron ◽

Spin Filtering

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Mechanical Behavior Of Piezoelectric Nanobeam With Flexoelectricity Based On Nonlocal Theory

2020 15th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA) ◽

10.1109/spawda51471.2021.9445523 ◽

2021 ◽

Author(s):

Fan TANG ◽

Hao-nan LI ◽

Lin-quan YAO

Keyword(s):

Mechanical Behavior ◽

Nonlocal Theory ◽

Piezoelectric Nanobeam

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Effect of moving heat source on a magneto-thermoelastic rod in the context of Eringen’s nonlocal theory under three-phase lag with a memory dependent derivative

Mechanics Based Design of Structures and Machines ◽

10.1080/15397734.2021.1901735 ◽

2021 ◽

pp. 1-17

Author(s):

Fatima S. Bayones ◽

Sudip Mondal ◽

Sayed M. Abo-Dahab ◽

Araby Atef Kilany

Keyword(s):

Heat Source ◽

Nonlocal Theory ◽

Phase Lag ◽

Moving Heat Source ◽

Three Phase

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Critical Temperatures for Vibrations and Buckling of Magneto-Electro-Elastic Nonlocal Strain Gradient Plates

Nanomaterials ◽

10.3390/nano11010087 ◽

2021 ◽

Vol 11 (1) ◽

pp. 87

Author(s):

Giovanni Tocci Monaco ◽

Nicholas Fantuzzi ◽

Francesco Fabbrocino ◽

Raimondo Luciano

Keyword(s):

Strain Gradient ◽

Thermal Environment ◽

Scale Effects ◽

Nonlocal Theory ◽

Elastic Plates ◽

Critical Temperatures ◽

Buckling Behavior ◽

Linear Vibrations ◽

Nonlocal Strain Gradient ◽

Plate Kinematics

An analytical method is presented in this work for the linear vibrations and buckling of nano-plates in a hygro-thermal environment. Nonlinear von Kármán terms are included in the plate kinematics in order to consider the instability phenomena. Strain gradient nonlocal theory is considered for its simplicity and applicability with respect to other nonlocal formulations which require more parameters in their analysis. Present nano-plates have a coupled magneto-electro-elastic constitutive equation in a hygro-thermal environment. Nano-scale effects on the vibrations and buckling behavior of magneto-electro-elastic plates is presented and hygro-thermal load outcomes are considered as well. In addition, critical temperatures for vibrations and buckling problems are analyzed and given for several nano-plate configurations.

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