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Search Publications by Vinod Tewary

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Displaying 26 - 50 of 53

Theory of nuclear resonant inelastic scattering from 57Fe in a single-walled carbon nanotube

January 1, 2007

Author(s)

Vinod K. Tewary

Line shapes of one phonon lines are calculated in the nuclear resonant inelastic X-ray scattering (NRIXS) from 57Fe embedded in a single-walled carbon nanotube

Efficient Green?s Function Modeling of Line and Surface Defects in Multilayered Anisotropic Elastic and Piezoelectric Material

October 31, 2006

Author(s)

B. Yang, Vinod K. Tewary

Green?s function (GF) modeling of defects may take effect only if the GF as well as its various integrals over a line, a surface and/or a small volume can be

Efficient Greens Function Modeling of Line and Surface Defects in Multilayered Anisotropic Elastic and Piezoelectric Material

October 2, 2006

Author(s)

B. Yang, Vinod K. Tewary

Greens function (GF) modeling defects may take effect only if the GF as well as its various integrals over a line, a surface and/or a small volume can be

Multiscale Modeling of Germanium Quantum Dots in Silicon

December 30, 2005

Author(s)

Vinod K. Tewary, David T. Read

A method is described for multiscale modeling of a quantum dot in a semiconductor containing a free surface. The method is based upon the use of the lattice

Multiscale Green's Function Modeling of Defects in a Semi-Infinite Silicon Substrate

March 3, 2005

Author(s)

B. Yang, Vinod K. Tewary

We have developed a Green's function (GF) based multiscale modeling of defects in a semi-infinite Si-substrate. Point defects and substrate surface (i.e

Greens Function Method for Modeling Surfac Acoustic Wave Dispersion on Anistropic Material Systems and Determination of Material Parameters

October 4, 2004

Author(s)

Vinod K. Tewary

Three-Dimensional Green's Functions of Steady-State Motion in Anisotropic Half-Spaces and Bimaterials

September 1, 2004

Author(s)

B. Yang, E Pan, Vinod K. Tewary

Three-dimensional Green's functions (GFs) of steady-motion in linear anisotropic elastic half-space and bimaterials are derived within the framework of

Continuum Dyson's Equation and Defect Green's Function in a Heterogeneous Anisotropic Solid

July 1, 2004

Author(s)

B Yang, Vinod K. Tewary

Continuum Dyson's nist-equation and defect Green's function (GF) in a heterogeneous, anisotropic and linearly elastic solid under homogeneous boundary

Elastostatic Green's Function for Advanced Materials Subject to Surface Loading

July 1, 2004

Author(s)

Vinod K. Tewary

Effects of Laterally and Vertically Neighboring Quantum Dots on Formation of a New Quantum Dot

May 1, 2004

Author(s)

B. Yang, Vinod K. Tewary

We apply the elastic energy release rate (EERR) to identify the favored location ofquantum dot (QD) formation in the presense of a laterally or vertically

Multiscale Modeling of Mechanical Response of Quantum Nanostructures

May 1, 2004

Author(s)

Vinod K. Tewary, B Yang

A multiscale Green's function method is described for modeling the mechanical response of quantum nanostructures in semiconductors. The method accounts for the

Multiscale Green's-Function Method for Modeling Point Defects and Extended Defects in Anisotropic Solids: Application to a Vacancy and Free Surface in Copper

March 1, 2004

Author(s)

Vinod K. Tewary

A multiscale Green's function method is described for modeling of point defects such as vacancies and interstitals together with extended defects such as free

Multiscale Modeling of Quantum Nanostructures Using Integrated Green's Function and Molecular Dynamics

February 2, 2004

Author(s)

Vinod K. Tewary, David T. Read

Three-Dimensional Green's Functions in Multilayered Anisotropic Piezoelectric Materials

February 2, 2004

Author(s)

B Yang, E Pan, Vinod K. Tewary

Three-dimensional Green's functions due to a point force and a point charge in multilayered anisotropic piezoelectric materials have been derived within the

Formation of a Surface Quantum Dot Near Laterally and Vertically Neighboring Dots

July 1, 2003

Author(s)

B Yang, Vinod K. Tewary

Elastic energy release rate (EERR) of a surface quantum dot (QD) near laterally and vertically neighboring seed QDs in a linear anisotropic elastic substrate

The NSF NSDL GREEN Digital Library: Green's Functions Research and Education Enhancement Network

July 1, 2003

Author(s)

Laura M. Bartolo, Aadam C. Powell, G M. Shreve, Vinod K. Tewary

Green's functions are powerful mathematical tools with strong pedagogical value providing not only solutions to difficult problems but also visualization for

Change in Low Temperature Thermodynamic Functions of a Solid Due to Quantum Dots

November 27, 2002

Author(s)

Vinod K. Tewary

Simple expressions are derived for the spectrum of low frequency phonon modes perturbed bythe presence of a quantum dot in a solid using the phonon Green's

Elastic Properties of Hardness Coatings Using Surface Acoustic Wave Spectroscopy

October 1, 2002

Author(s)

Donna C. Hurley, A J. Richards, Vinod K. Tewary, A Bendavid, P J. Martin

Surface acoustic wave (SAW) spectroscopy is a nondestructive way to determine the properties of thin films. Plane-wave SAWs are generated by a line-focused

Theory of Elastic Wave Propagation in an Anisotropic Film on an Anisotropic Substrate: TiN Film on Single Crystal Si

September 1, 2002

Author(s)

Vinod K. Tewary

The delta function representation of the elastodynamic Green's function is used to derive an expression for the elastic wave forms on the surface of an

Lattice Statice Green's Function Method for Multiscale Modeling of Point Defects and Extended Defects in Solids

July 1, 2002

Author(s)

Vinod K. Tewary

A method for multiscale modeling of point defects such as vacnacies and interstitials at the atomistic level and extended defects such as free surfaces and

Green's Function Method for Calculation of Strain Field Due to a Quantum Dot in a Semi-Infinite Anisotropic Solid

April 1, 2002

Author(s)

Vinod K. Tewary

A computationally convenient Green's function method is described forcalculation of strain characteristics of quantum dots in an anisotropic semi-infinite solid

Multiscale Modeling of Point Defects and Free Surfaces in Semi-Infinite Solids

February 4, 2002

Author(s)

Vinod K. Tewary

A Green's function method is described for multiscale modeling of point defectssuch as vacancies and interstitials at the atomistic level and extended defects

Thin-Film Elastic-Property Measurements With Laser-Ultrasonic SAW Spectrometry

November 1, 2001

Author(s)

Donna C. Hurley, Vinod K. Tewary, A J. Richards

We have developed laser-ultrasonic methods to evaluate the elastic properties of thin films. Our method, called SAW spectrometry, used broadband surface

Surface Acoustic Wave Methods to Determine the Anisotropic Elastic Properties of Thin Films

September 1, 2001

Author(s)

Donna C. Hurley, Vinod K. Tewary, A J. Richards

We have developed laser ultrasonic methods to measure the elastic properties of thin films. In this approach, surface acoustic waves (SAWs) were generated using

Greens Functions for Boundary Element Analysis of Anisotropic Bimaterials

May 1, 2001

Author(s)

J R. Berger, Vinod K. Tewary

We present several region-dependent Green's functions for anisotropic bimaterials in two-dimensional elasticity and steady-state heat transfer problems. The

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