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Experiments with the Bubble Model of a Metal Structure

This video discusses crystal defects (voids, dislocations, stress concentrations) on a closed packed plane using a bubble model described in the 1947 paper in the Proceedings of the Royal Society of London. http://www.jstor.org/stable/97997

Thanks to Professor Jennifer Carter for sharing!

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This course will provide students with the fundamentals of computational problem-solving techniques that are used to understand and predict properties of nanoscale systems. Emphasis will be placed on how to use simulations effectively, intelligently, and cohesively to predict properties that occur at the nanoscale for real systems. The course is designed to present a broad overview of computational nanoscience and is therefore suitable for both experimental and theoretical researchers. Specific …

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Matija Piskač onto MonteCarloProj-Proto

In this lecture, we continue our discussion of Monte Carlo simulation. Examples from Hard Sphere Monte Carlo simulations based on the Metropolis algorithm and from Grand Canonical Monte Carlo simulations of fullerene growth on spherical surfaces are presented. A discussion of meaningful statistics, result interpretation, and error analysis is presented as well.University of California, Berkeley.

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Matija Piskač onto MonteCarloProj-Proto

The purpose of this lecture is to introduce Monte Carlo methods as a form of stochastic simulation. Some introductory examples of Monte Carlo methods are given, and a basic introduction to relevant concepts in statistical mechanics is presented. Students will be introduced to the Metropolis approach to Monte Carlo simulation. Using Metropolis as an example, these lectures also introduce the comcepts of balance and detailed balance, and what “efficient sampling” means.

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Profile picture of Matija Piskač

Matija Piskač onto MonteCarloProj-Proto

This lecture provides and introduction to Quantum Monte Carlo methods. We review the concept of electron correlation and introduce Variational Monte Carlo methods as an approach to going beyond the mean field approximation. We describe briefly the Slater-Jastrow expansion of the wavefunction, and show how we can recover the some of the correlation energy using a variational approach to optimizing this form of the wavefunction.Lucas K. Wagner University of California, Berkeley

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Matija Piskač onto MonteCarloProj-Proto

Nanoparticles cause cancer cells to self-destruct

The researchers have used nanoparticles of iron oxide that have been treated with a special form of magnetism. Once the particles are inside the cancer cells, the cells are exposed to a magnetic field, and the nanoparticles begin to rotate in a way that causes the lysosomes to start destroying the cells.

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Med Alae A K onto hyperthermia

Biocompatible ternary nanoparticles for medical applications

Ternary nanoparticles (iron and silver core) can be used in different applications, such as a contrast agent in MRI, biomagnetic sensors, hyperthermia for cancer treatment and magnetically targeted delivery and transfection.

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Med Alae A K onto hyperthermia

This short presentation will describe the idea behind MD simulations and demonstrate its use in real applications.

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William Ernesto Abarca onto Presentations

Nanophotonics

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Andrew Prabhakar onto Photonics

Use the HUBzero framework to bring your simulation/model and analysis tools online

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Brandon Joseph Bocklund onto Courses

Transmission and the reflection coefficient of a five, seven, nine, eleven and 2n-segment piece-wise constant potential energy profile

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Beth Scarbrough onto Simulations

Tools for Atomic Scale Modeling

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KAMAL M KARDA onto FAV

VA CHECKER

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Nikolaos Makris onto TOOLS

A five-week course on the basic physics that govern materials at atomic scales.

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Profile picture of Brandon Joseph Bocklund

Brandon Joseph Bocklund onto Courses

The goals of this course are to give the student an understanding of the elements of semiconductor physics and principles of semiconductor devices that (a) constitute the foundation required for an electrical engineering major to take follow-on courses, and (b) represent the essential basic knowledge of the operation and limitations of the three primary electronic devices, 1) p-n junctions, 2) bipolar transistors, and 3) field effect transistors, that either an electrical engineer or a computer engineer will find useful in maintaining currency with new developments in semiconductor devices and integrated circuits in an extended career in either field.

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5 Ways To Creating Better Content

Content marketing is one of the most buzzed about terms in the marketing game. For what reason? It works! I should say, it can work with the right strategy and execution. Even with highly-budgeted distribution, poor content is at a disadvantage against great content when it comes to quality conversions. So what does quality content look like? How do we create relevant content for our audiences and how do we measure success?

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inLogic IT onto InLogic Blogs

Tools for Atomic Scale Modeling

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Nikolaos Katsoulidis onto Amo2

These notebooks are examples and homework solutions for ME 581.

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Profile picture of Ted Rimstidt

Ted Rimstidt onto Jupyter Info

           In this lecture, we looked at lumerical optical simulation. The motivation to pursue this topic is because there is now software available that allows us to conduct simulations to visualize Electromagnetic field locations, to predict sensitivity, and optimize the device design. The software most widely used for modeling low light interactions is Finite Difference Time Domain(FDTD). The pros and options of the software are then …

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Deep Punj onto FDTD

Atomistic and molecular simulations have become an important research field due to the progress made in computer performance and the necessity of new and improved materials. Despite this, first principle simulations of large molecules are still not possible because the high computational time and resources required. Other methods, such as molecular dynamics, allow the simplification of calculations by defining energy terms to describe multiple atom interactions without compromising accuracy...

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Current nuclear reactor components consist of forged or casted Iron-based or Nickel-based alloys.  Both these fabrication techniques present challenges in long-term performance and structural integrity. A possible alternative investigated in this research includes Powder Metallurgy (PM) combined with Hot Isostatic Pressing (HIP).  Contributions to the research consisted of polishing, etching, and measuring the hardness and grain structures of the samples investigated.   

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