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Good for dispersion relationship in periodic potential

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Logan Triple onto Nano-230

AFM Microscopy slides and lectures

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Logan Triple onto Nano-230

Simulated polymerization, equilibration, and characterization of molecular models

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Ankit Verma onto Polymer modeling

Build thermoplastic polymer chains and run LAMMPS to relax the chains and study mechanical properties

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Ankit Verma onto Polymer modeling

Fall 2008

This is a newly produced version of the course that was formerly available. We would greatly appreciate your feedback regarding the new format and contents.

Objective:

To convey the basic concepts of nanoelectronics to electrical engineering students with no background in quantum mechanics and statistical mechanics.

Description:

The development of “nanotechnology” has made it possible to engineer materials and devices on a length scale as small as several nanometers …

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Please Note: A newer version of this course is now available

and we would greatly appreciate your feedback regarding the new format and contents.

Welcome to the ECE 453 lectures.

The development of “nanotechnology” has made it possible to engineer material and devices on a length scale as small as several nanometers (atomic distances are ~ 0.1 nm). The properties of such “nanostructures” cannot be described in terms of macroscopic parameters like mobility or diffusion coefficient and a …

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Homework assignments and handouts for Fall 07 Fundamentals of Nanoelectronics.

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Second in a two part series, Part 2: Quantum Models provides an introduction to more advanced topics, including the Non-Equilibrium Green’s Function (NEGF) method widely used to analyze quantum…

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jin onto negf

This zip-archive contains two Matlab functions for the recursive solution of the partial matrix inversion and partial 3-matrix multiplication used in the non-equilibrium Green’s function (NEGF) method. recuresealg3d.m – works for 3-diagonal matrices recuresealgblock3d.m – works for 3-block-diagonal matrices The explanations of the arguments and the calling sequence are in file headers. To display, use the Matlab commands >> help recuresealg3d >> help recuresealgblock3d Co-authored by Siyu …

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jin onto negf

Ballistic transport in carbon nanotube metal-oxide-semiconductor field-effect transistors (CNT-MOSFETs) is simulated using the Non-equilibrium Green’s function formalism. A cylindrical transistor geometry with wrapped-around gate and doped source/drain regions are assumed. It should be noted that this code does NOT treat Schottky-barrier CNTFETs.

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jin onto negf

A set of Matlab scripts has been developed illustrating the treatment of inelastic scattering in non-equilibrium Greens function (NEGF) based quantum transport models. The first script highlights the core principles using a simple conductor described by a (2×2) Hamiltonian matrix, while the second script shows how the model can be extended straightforwardly to arbitrary conductors described by any (NxN) Hamiltonian. Numerical results are presented in both cases highlighting the subtle effects …

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jin onto negf

The MATLAB programs used to generate the figures in the article that appeared in Superlattices and Microstructures, vol.28, p.253 (2000).

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jin onto negf

This code developed in C and CUDA simulates the carrier transport in three-dimensional (3D) topological insulator (TI) nanowire, with Bi2Se3 as exemplar material, with or without impurities, edge defects, acoustic phonons and vacancies for semi-infinite or metallic contacts (normal/magnetic) on General Purpose Graphic Processing Unit (GP-GPU) via Non-Equilibrium Green's Function (NEGF). It can also be used for simulating energy-dispersion in Bi2Se3 TI and...

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jin onto negf

This set of lecture notes is intended to help students learn the basics of PN junction theory and modeling.

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Mahesh Anigol onto PN Junction Theory and Modeling

A scanning probe microscope brushes the tips of molecules rising up from a gold substrate. After making contact, the probe measures a very strange current-voltage relationship--linear portions separated by flat spots or sharp increases. Definitely not Ohm's law. Is the experiment correct? What does theory predict?

This learning module teaches the basic concepts of molecular conduction. It starts with an introduction to the theory by Supriyo Datta, followed by a review of experimental results. Then, it walks you through a series of hands-on examples and exercises, where you can simulate molecular conduction right in your web browser! Finish up by taking a quiz to test your understanding of the concepts.

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Numerical Aspects of NEGF: The Recursive Green Function Algorithm

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jin onto negf

Capacitance of a MOS device

3 comments 33 reposts

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Rodolfo Quintero onto Mi primera colección

Fall 2008

This is a newly produced version of the course that was formerly available. We would greatly appreciate your feedback regarding the new format and contents.

Objective:

To convey the basic concepts of nanoelectronics to electrical engineering students with no background in quantum mechanics and statistical mechanics.

Description:

The development of “nanotechnology” has made it possible to engineer materials and devices on a length scale as small as several nanometers …

0 comments 118 reposts

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Tanya Faltens onto nano Educational Materials

Simulate dislocation movement, crack propagation, nanowire tensile tests, and simple phase transitions

0 comments 7 reposts

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NCN Outreach onto Favorites

Miller indices are a notation system in crystallography for planes and directions in crystal lattices. In particular, a family of lattice planes is determined by three integers, l, m, and n, the Miller indices. They are written (lmn) and denote planes orthogonal to a direction (l,m,n) in the basis of the reciprocal lattice vectors.

0 comments 3 reposts

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NCN Outreach onto Crystal Planes and Directions

Carbon nanotubes (CNT) have interesting, structure-dependent electronic properties. In particular, CNTs can be a metallic or semiconducting depending on the way in which the carbon atoms are arranged in the CNT walls. The purpose of this learning module is to familiarize students with the basic concepts associated with CNT electronic properties. It begins with a pre-test to assess initial student knowledge of the topic, followed by a presentation and reading material on the electronic properties of CNTs. This is followed by some exercises that utilize the CNTbands tool on the nanoHUB for computing key electronic properties of CNTs. Finally, a post-test is administered to determine the degree to which the module assisted in student learning of the fundamental concepts associated with the electronic properties of CNTs.

1 comments 22 reposts

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Tanya Faltens onto Tanya's Carbon Nanotube Collection

Calculate scattering and absorption of light by targets with arbitrary geometries and complex refractive index.

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NCN Outreach onto Favorites

Collecting ABACUS from my text collection into my Solid State Devices collection.

 

… and it worked — the new text is there, and the link to the resource (tool page) also works.

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Tanya Faltens onto Solid State Devices